UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


FORM 10-K

(Mark One)
ýANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 20172020
OR
¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to .
Commission file number: 001-37580

Alphabet Inc.
(Exact name of registrant as specified in its charter)

Delaware61-1767919
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
1600 Amphitheatre Parkway
Mountain View, CA 94043
(Address of principal executive offices) (Zip Code)
(650) 253-0000
(Registrant’s
1600 Amphitheatre Parkway
Mountain View, CA 94043
(Address of principal executive offices, including zip code)
(650) 253-0000
(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A Common Stock, $0.001 par value
GOOGL
Nasdaq Stock Market LLC
(Nasdaq Global Select Market)
Class C Capital Stock, $0.001 par value
GOOG
Nasdaq Stock Market LLC
(Nasdaq Global Select Market)
Securities registered pursuant to Section 12(g) of the Act:
Title of each class
None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ý    No  ¨
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨   No  ý
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ý    No  ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ý    No  ¨



Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.    ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act. (Check one):



Large accelerated filerýAccelerated filer¨
Non-accelerated filer (Do not check if a smaller reporting company)¨Smaller reporting company¨
Emerging growth company¨
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨
Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.7262(b)) by the registered public accounting firm that prepared or issued its audit report.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  ý
As of June 30, 2017,2020, the aggregate market value of shares held by non-affiliates of the registrant (based upon the closing sale prices of such shares on the Nasdaq Global Select Market on June 30, 2017)2020) was approximately $554.3$849.7 billion. For purposes of calculating the aggregate market value of shares held by non-affiliates, we have assumed that all outstanding shares are held by non-affiliates, except for shares held by each of our executive officers, directors and 5% or greater stockholders. In the case of 5% or greater stockholders, we have not deemed such stockholders to be affiliates unless there are facts and circumstances which would indicate that such stockholders exercise any control over our company, or unless they hold 10% or more of our outstanding common stock. These assumptions should not be deemed to constitute an admission that all executive officers, directors and 5% or greater stockholders are, in fact, affiliates of our company, or that there are not other persons who may be deemed to be affiliates of our company. Further information concerning shareholdings of our officers, directors and principal stockholders is included or incorporated by reference in Part III, Item 12 of this Annual Report on Form 10-K.
As of January 31, 2018,26, 2021, there were 298,492,525300,737,081 shares of the registrant’s Class A common stock outstanding, 46,961,28845,843,112 shares of the registrant’s Class B common stock outstanding, and 349,843,717327,556,472 shares of the registrant’s Class C capital stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s Proxy Statement for the 20182021 Annual Meeting of Stockholders are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent stated herein. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2017.2020.







Alphabet Inc.

Alphabet Inc.
Form 10-K
For the Fiscal Year Ended December 31, 20172020
TABLE OF CONTENTS
Page
PART IPage
Item 1.
PART I
Item 1.1A.
Item 1A.1B.
Item 1B.
Item 2.
Item 3.
Item 4.
PART II
Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.
PART III
Item 10.
Item 11.
Item 12.
Item 13.
Item 14.
PART IV
Item 15.
Item 16.

i


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NOTE ABOUT FORWARD-LOOKING STATEMENTS
This Annual Report on Form 10-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements include, among other things, statements regarding:
the ongoing effect of the novel coronavirus pandemic ("COVID-19"), including its macroeconomic effects on our business, operations, and financial results; and the effect of governmental lockdowns, restrictions and new regulations on our operations and processes;
the growth of our business and revenues and our expectations about the factors that influence our success and trends in our business;
business, including the size and timing of the expected return on our plans to continue to invest in new businesses, products, services and technologies, systems, facilities, and infrastructure, to continue to hire aggressively and provide competitive compensation programs, as well as to continue to invest in acquisitions;
seasonal fluctuations in internet usage and advertiser expenditures, underlying business trends such as traditional retail seasonality, and macroeconomic conditions, which are likely to cause fluctuationscontinuing investments in our quarterly results;Google Cloud segment;
our expectation related to our renewable energy efforts;
the potential for declines in our revenue growth rate;rate and operating margin;
our expectation that the shift from an offline to online world will continue to benefit our business;
our expectation that the portion of our revenues that we derive from non-advertising revenues will continue to increase and may affect our margins;
our expectation that our traffic acquisition costs ("TAC") and the associated TAC rate will fluctuate, which could affect our overall margins;
our expectation that our monetization trends will fluctuate, which could affect our revenues and margins;
fluctuations in our revenue growth, as well as the change in paid clicks and cost-per-click and the change in impressions and cost-per-impression, and various factors contributing to such fluctuations;
our expectation that we will continue to take steps to improve the relevance of the ads we deliverperiodically review, refine, and to reduceupdate our methodologies for monitoring, gathering, and counting the number of accidental clicks;
fluctuations in the rate of change in revenue and revenue growth, as well as the rate of change in paid clicks and average cost-per-click and various factors contributing to such fluctuations;impressions;
our expectation that our results will be affected by our performance in international markets as users in developing economies increasingly come online;
our expectation that our foreign exchange risk management program will not fully offset our net exposure to fluctuations in foreign currency exchange rates;
the expected variability of costsgains and losses related to hedging activities under our foreign exchange risk management program;
the amount and timing of revenue recognition from customer contracts with commitments for performance obligations, including our estimate of the remaining amount of commitments and when we expect to recognize revenue;
fluctuations in our capital expenditures;
our plans to continue to invest in new businesses, products, services and technologies, systems, land and buildings for data centers and offices, and infrastructure, as well as to continue to invest in acquisitions;
our pace of hiring and our plans to provide competitive compensation programs;
our expectation that our cost of revenues, research and development ("R&D") expenses, sales and marketing expenses, and general and administrative expenses willmay increase in dollars andamount and/or may increase as a percentage of revenues;
our potential exposure in connection with pending investigations, proceedings, and other contingencies;
our expectation that our monetization trends will fluctuate, which could affect our revenues and margins in the future;may be affected by a number of factors;
our expectation that our traffic acquisition costs (TAC) and the associated TAC rates will increase in the future;
our expectation that our results will be impacted by our performance in international markets as users in developing economies increasingly come online;
our expectation that the portionestimates of our revenues that we derive from non-advertising revenues will continue to increase and may impact margins;future compensation expenses;
our expectation that our other income (expense), net ("OI&E"), will fluctuate in the future, as it is largely driven by market dynamics;
estimates of our future compensation expenses;
fluctuations in our effective tax rate;
the impact of the U.S. Tax Cutsseasonal fluctuations in internet usage and Jobs Act (Tax Act);advertiser expenditures, underlying business trends such as traditional retail seasonality (including developments and volatility arising from COVID-19), which are likely to cause fluctuations in our quarterly results;
the sufficiency of our sources of funding;
our payment termspotential exposure in connection with new and pending investigations, proceedings, and other contingencies;
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Alphabet Inc.
the sufficiency and timing of our proposed remedies in response to certain advertisers, which may increase our working capital requirements;decisions from the European Commission ("EC") and other regulators and governmental entities;
fluctuations in our capital expenditures;
our expectations related toregarding the operating structure implemented pursuant to the Alphabet holding company reorganization;timing, design and implementation of our new global enterprise resource planning ("ERP") system;
the expected timing and amount of Alphabet Inc.'s share repurchases;

our long-term sustainability and diversity goals;
our expectation that the estimated useful life of servers and certain network equipment will have a favorable effect on our 2021 operating results;
as well as other statements regarding our future operations, financial condition and prospects, and business strategies. Forward-looking statements may appear throughout this report and other documents we file with the Securities and Exchange Commission (SEC)("SEC"), including without limitation, the following sections: Item 1 "Business," Item 1A "Risk Factors," and Item 7 "Management’s Discussion and Analysis of Financial Condition and Results of Operations." Forward-looking statements generally can be identified by words such as "anticipates," "believes," "estimates," "expects," "intends," "plans," "predicts," "projects," "will be," "will continue," "may," "could," "will likely result," and similar expressions. These forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties, which could cause our actual results to differ materially from those reflected in the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed in this Annual Report on Form 10-K, and in particular, the risks discussed under the caption "Risk Factors" in Item 1A, "Risk Factors" of this report and those discussed in other documents we file with the SEC. We undertake no obligation to revise or publicly release the results of any revision to these forward-looking statements, except as required by law. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements.

As used herein, "Alphabet," "the company," "we," "us," "our," and similar terms include Alphabet Inc. and its subsidiaries, unless the context indicates otherwise.
"Alphabet," "Google," and other trademarks of ours appearing in this report are our property. This report contains additional trade names and trademarks of other companies. We do not intend our use or display of other companies' trade names or trademarks to imply an endorsement or sponsorship of us by such companies, or any relationship with any of these companies.




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Alphabet Inc.
PART I
ITEM 1.BUSINESS
ITEM 1.BUSINESS
Overview
As our founders Larry and Sergey wrote in the original founders' letter, "Google is not a conventional company. We do not intend to become one." That unconventional spirit has been a driving force throughout our history, -- inspiring us to do thingstackle big problems, and invest in moonshots like rethinkartificial intelligence ("AI") research and quantum computing. We continue this work under the mobile device ecosystem with Androidleadership of Sundar Pichai, who has served as CEO of Google since 2015 and map the world with Google Maps. As partas CEO of that, our founders also explained that you could expect us to make "smaller bets in areas that might seem very speculative or even strange when compared to our current businesses." From the start, the company has always strived to do more, and to do important and meaningful things with the resources we have.Alphabet since 2019.
Alphabet is a collection of businesses -- the largest of which of course, is Google. It also includes businesses that are generally pretty far afield of our main Internet products suchGoogle — which we report as Access, Calico, CapitalG, GV, Nest, Verily, Waymo,two segments: Google Services and X.Google Cloud. We report all non-Google businesses collectively as Other Bets. Our Other Bets include earlier stage technologies that are further afield from our core Google business. We take a long term view and manage the portfolio of Other Bets with the discipline and rigor needed to deliver long-term returns. Our Alphabet structure is about helping each of our businesses prosper through strong leaders and independence.
Access and technology for everyone
The Internet is one of the world’s most powerful equalizers, capable of propelling new ideas and people forward. At Google, ourOur mission is to organize the world’s information and make sure that information serves everyone, not just a few. So whether you're a child in a rural village or a professor at an elite university, you can access the same information. We are helping people get online by tailoring digital experiences to the needs of emerging markets. We're also making sure our core Google products are fastit universally accessible and useful especiallyis as relevant today as it was when we were founded in 1998. Since then, we’ve evolved from a company that helps people find answers to a company that helps you get things done. We’re focused on building an even more helpful Google for userseveryone, and we aspire to give everyone the tools they need to increase their knowledge, health, happiness and success.
Across Alphabet, we're focused on continually innovating in areas where speedtechnology can have an impact on people’s lives. Every year, there are trillions of searches on Google, and connectivitywe continue to invest deeply in AI and other technologies to ensure the most helpful Search experience possible. People come to YouTube for entertainment, information and opportunities to learn something new. And Google Assistant offers the best way to get things done seamlessly across different devices, providing intelligent help throughout your day, no matter where you are.
Since the pandemic began, our teams have built new features to help users go about their daily lives, and to support businesses working to serve their customers during an uncertain time. In conjunction with Apple, we launched Exposure Notification apps that are central concerns.being used by local governments globally. Our COVID-19 Community Mobility Reports are used by public health agencies and researchers around the globe, and we’ve committed hundreds of millions of dollars to help small businesses through a combination of small business loans, grants and ad credits. Importantly, we've made authoritative content a key focus area across both Google Search and YouTube to help users search for trusted public health information.
Our Other Alphabet companiesBets are also pursuing initiatives with similar goals. For instance, as a part of our efforts in October 2017, Project Loon within X deployed its networkthe Metro Phoenix area, Waymo is working toward our goal of stratospheric balloonsmaking transportation safer and easier for everyone while Verily is developing tools and platforms to deliver basic internet connectivity to more than 100,000 people in Puerto Rico following Hurricane Maria.improve health outcomes.
Moonshots
Many companies get comfortable doing what they have always done, making only incremental changes. This incrementalism leads to irrelevance over time, especially in technology, where change tends to be revolutionary, not evolutionary. People thought we were crazy when we acquired YouTube and Android and when we launched Chrome, but those efforts have matured into major platforms for digital video and mobile devices and a safer, popular browser. We continue to look toward the future and continue to invest for the long-term. As we said in the original founders' letter, we will not shy away from high-risk, high-reward projects that we believe in because they are the key to our long-term success.
The power of machine learning
Across the company, machine learning and artificial intelligence (AI)AI are increasingly driving many of our latest innovations. Within Google, ourOur investments in machine learning over athe past decade have enabled us to build products that are smarter and more useful -- it's what allows youhelpful. For example, a huge breakthrough in natural language understanding, called BERT, now improves results for almost every English language search query.
DeepMind made a significant AI-powered breakthrough, solving a 50-year-old protein folding challenge, which will help us better understand one of life’s fundamental building blocks, and will enable researchers to use your voicetackle new and difficult problems, from fighting diseases to ask theenvironmental sustainability.
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Alphabet Inc.
Google
For reporting purposes, Google Assistant for information, to translate the web from one language to another, to see better YouTube recommendations,comprises two segments: Google Services and to search for people and events in Google Photos. Machine learning is also showing great promise in helping us tackle big issues, like dramatically improving the energy efficiency of our data centers. Across Other Bets, machine learning helps self-driving cars better detect and respond to others on the road, and can also improve the ability of clinicians to detect diseases such as diabetic retinopathy.Cloud.
Google Services
Serving our users
We have always been a company committed to making big betsbuilding helpful products that have the potential tocan improve the lives of millions of people. Our product innovations have made our services widely used, and our brand one of the most recognized in the world. Google'sGoogle Services' core products and platforms such asinclude Android, Chrome, Gmail, Google Drive, Google Maps, Google Photos, Google Play, Search, and YouTube, each have over one billion monthly active users. But most important, we believe we are just beginning to scratchwith broad and growing adoption by users around the surface. world.
Our vision is to remain a place of incredible creativityproducts and innovation that uses our technical expertise to tackle big problems. As the majority of Alphabet’s big bets continue to reside within Google, an important benefit of the shift to Alphabet has been the tremendous focus that we’re able to have on Google’s many extraordinary opportunities.

Google’s mission to organize the world’s information and make it universally accessible and useful has always been our North Star, and our productsservices have come a long way since the company was founded nearlymore than two decades ago. Instead of just showingRather than the ten blue links in our early search results, we are increasingly able to provideusers can now get direct answers -- even if you're speaking your questionto their questions using Voice Search -- which makestheir computer, mobile device, or their own voice, making it quicker, easier and more natural to find what you're looking for. You can also type or talk with the Google Assistant in a conversational way across multiple devices like phones, speakers, headphones, televisions and more. And with Google Lens, you can now use your phone’s camera to identify an unfamiliar landmark or find a trailer from a movie poster. Over time, we have also added other services that let you access information quickly and easily -- like Google Maps, which helps you navigate to a store while showing you current traffic conditions, or Google Photos, which helps you store and organize your photos.
This drive to make information more accessible and helpful has led us over the years to improve the discovery and creation of digital content, on the web and through platforms like Google Play and YouTube. And withWith the migration to mobile, people are consuming more digital content by watching more videos, playing more games, listening to more music, reading more books, and using more apps than ever before. Working with content creators and partners, we continue to build new ways for people around the world to find great digital content.
Fueling all of these great digital experiences are powerful platforms and hardware. That’s why we continue to invest in platforms like our Android mobile operating system, Chrome browser, Chrome operating system, and Daydream virtual reality platform, as well as growing our family of great hardware devices. We see tremendous potential for devices to be helpful, make your life easier, and even get better over time, by combining the best of Google'sour AI, software, and hardware. This is reflected in our latest generation of hardware products like the newest additions toPixel 4a, Pixel 4a 5G and Pixel 5 phones, Chromecast with Google TV and the Google Home family called Mini and Max, Pixel 2 phone, and Pixelbook laptop.Nest Hub smart display. Creating beautiful products that people rely on every day is a journey that we are investing in for the long run.
Key to building helpful products for users is our commitment to privacy, security and user choice. As the Internet evolves, we continue to invest in keeping data safe, including enhanced malware features in Chrome and improvements to auto-delete controls that will automatically delete web and app searches after 18 months.
How we make money
Our advertising products deliver relevant ads at just the right time, to give people useful commercial information, regardless of the device they’re using. We also provide advertisers with tools that help them better attribute and measure their advertising campaigns. Our advertising solutions help millions of companies grow their businesses, and we offer a wide range of products across devices and formats. Google Services generates revenues primarily by delivering both performance advertising and brand advertising.
Performance advertising creates and delivers relevant ads that users will click on, leading to direct engagement with advertisers. Most of our performance advertisers pay us when a user engages in their ads. Performance advertising lets our advertisers connect with users while driving measurable results. Our ads tools allow performance advertisers to create simple text-based ads that appear on Google Search & other properties, YouTube and the properties of Google Network Members. In addition, Google Network Members use our platforms to display relevant ads on their properties, generating revenues when site visitors view or click on the ads. We continue to invest in our advertising programs and make significant upgrades.
Brand advertising helps enhance users' awareness of and affinity with advertisers' products and services, through videos, text, images, and other interactive ads that run across various devices. We help brand advertisers deliver digital videos and other types of ads to specific audiences for their brand-building marketing campaigns.
We have built a world-class ad technology platform for advertisers, agencies, and publishers to power their digital marketing businesses. We aim to ensure great user experiences by serving the right ads at the right time and by building deep partnerships with brands and agencies. We also seek to improve the measurability of advertising so advertisers know when their campaigns are effective.
We have allocated substantial resources to stopping bad advertising practices and protecting users on the web. We focus on creating the best advertising experiences for our users and advertisers in many ways, ranging
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from filtering out invalid traffic, removing billions of bad ads from our systems every year to closely monitoring the sites, apps, and videos where ads appear and blocklisting them when necessary to ensure that ads do not fund bad content.
We continue to look to the future and are making long-term investments that will grow revenues beyond advertising, including Google Play, hardware, and YouTube. We are also investing in research efforts in AI and quantum computing to foster innovation across our businesses and create new opportunities.
Google Cloud
Google was a company built in the cloud and has been investingcloud. We continue to invest in infrastructure, security, data management, analytics and AI from the very beginning.AI. We have continued to enhancesee significant opportunity in helping businesses utilize these strengths with features like data migration, modern development environments and machine learning tools to provide enterprise-ready cloud services, including Google Cloud Platform and Google Workspace (formerly known as G Suite, to our customers.Suite). Google Cloud Platform enables developers to build, test, and deploy applications on Google’sits highly scalable and reliable infrastructure. Our G Suite productivityGoogle Workspace collaboration tools -- which include apps like Gmail, Docs, Drive, Calendar, Hangouts,Meet and more -- are designed with real-time collaboration and machine intelligence to help people work smarter. Because more and more of today’s great digital experiences are being built in the cloud, our Google Cloud products help businesses of all sizes take advantage of the latest technology advances to operate more efficiently.
How we make money
The goal of our advertising business is to deliver relevant ads at just the right time and to give people useful commercial information, regardless of the device they’re using. We also provide advertisers with tools that help them better attribute and measure their advertising campaigns across screens. Our advertising solutions help millions of companies grow their businesses, and we offer a wide range of products across screens and formats. We generateGoogle Cloud generates revenues primarily by delivering both performance advertising and brand advertising.
Performance advertising creates and delivers relevant ads that users will click on, leading to direct engagement with advertisers. Most of our performance advertisers pay us when a user engages in their ads. Performance advertising lets our advertisers connect with users while driving measurable results.
For performance advertisers, AdWords, our primary auction-based advertising program, helps create simple text-based ads that appear onfrom fees received for Google properties and the properties of Google Network Members. In addition, Google Network Members use our AdSense program to display relevant ads on their properties, generating revenues when site visitors view or click on the ads. We continue to invest in our advertising programs and make significant upgrades.

Brand advertising helps enhance users' awareness of and affinity with advertisers' products and services, through videos, text, images, and other interactive ads that run across various devices. We help brand advertisers deliver digital videos and other types of ads to specific audiences for their brand-building marketing campaigns.
We have built a world-class ad technology platform for brand advertisers, agencies, and publishers to power their digital marketing businesses. We aim to ensure great user experiences by serving the right ads at the right time and by building deep partnerships with brands and agencies. We also seek to improve the measurability of brand advertising so advertisers know when their campaigns are effective.

We have allocated substantial resources to stopping bad advertising practices and protecting users on the web. We focus on creating the best advertising experiences for our users and advertisers in many ways, ranging from filtering out invalid traffic, removing hundreds of millions of bad ads from our systems every year to closely monitoring the sites, apps, and videos where ads appear and blacklisting them when necessary to ensure that ads do not fund bad content.
Beyond our advertising business, we also generate revenues in other areas, such as digital content, enterprise cloudCloud Platform services and hardware.Google Workspace collaboration tools.
Other Bets
Throughout Alphabet, we are also using technology to try and solve big problems across many industries. Alphabet’s investment in our portfolio of Other Bets include emerging businesses at various stages of development, ranging from those in the research and development phase to those that are early-stage businesses,in the beginning stages of commercialization, and our goal is for them to become thriving, successful businesses in the medium to long term. To do this, we make sure we have a strong CEO to run each company while also rigorously handling capital allocation and working to make sure each business is executing well.
While these early-stage businesses naturally come with considerable uncertainty, some of them are already generating revenue and making important strides in their industries. For instance, Nest recently expanded its connected home product line by introducing the Nest Thermostat ERevenues are primarily generated from internet and a new home security solution that includes the Nest Hello video doorbell, Nest Cam IQ outdoor security camera,TV services, as well as licensing and the Nest Secure alarm system. Our self-driving car company, Waymo, continues to progress the developmentR&D services.
Other Bets operate as independent companies and testingsome of its technologythem have their own boards with independent members and now has a fleet of vehicles in Phoenix, Arizona, driving without a person behind the wheel. Life sciences company Verily has also made significant progress on key programs, like the launch of its Project Baseline study with Duke University and Stanford Medicine, and received an $800 million investment in 2017 from Temasek to accelerate its strategic programs.
We continue to build these businesses thoughtfully and systematically to capitalize on the opportunities ahead.outside investors. We are investing for the long term whilein our portfolio of Other Bets and being very deliberate about the focus, scale, and pace of investments. We generate revenues from internet and TV services, licensing and R&D services, and Nest branded hardware.
Competition
Our business is characterized by rapid change as well as new and disruptive technologies. We face formidable competition in every aspect of our business, particularly from companies that seek to connect people with online information and provide them with relevant advertising. We face competition from:
General purpose search engines and information services, such as Baidu, Microsoft's Bing, Naver, Seznam, Verizon's Yahoo, and Yandex.
Vertical search engines and e-commerce websites, such as Amazon and eBay (e-commerce), Booking's Kayak (travel queries), Microsoft's LinkedIn (job queries), and WebMD (health queries). Some users will navigate directly to such content, websites, and apps rather than go through Google.
Social networks, such as Facebook, Snap,Snapchat, and Twitter. Some users increasingly rely on social networks for product or service referrals, rather than seeking information through traditional search engines.
Other forms of advertising, such as billboards, magazines, newspapers, radio, and television. Our advertisers typically advertise in multiple media, both online and offline.
Other online advertising platforms and networks, including Amazon, AppNexus, Criteo, and Facebook, that compete for advertisers that use AdWords,Google Ads, our primary auction-based advertising platform.
Providers of digital video services, such as Amazon, Apple, AT&T, Disney, Facebook, Hulu, Netflix and Netflix.TikTok.
In businesses that are further afield from our advertising business, we compete with companies that have longer operating histories and more established relationships with customers and users. We face competition from:
Other digital content and application platform providers, such as Amazon and Apple.
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Companies that design, manufacture, and market consumer electronicshardware products, including businesses that have developed proprietary platforms.
Providers of enterprise cloud services, including Alibaba, Amazon, and Microsoft.
Digital assistant providers, such as Amazon Apple, and Microsoft.Apple.
Competing successfully in our advertising-related businesses depends heavily on our ability to deliver and distribute innovative products and technologies to the marketplace so that we can attractacross our businesses. Specifically, for advertising, competing successfully depends on attracting and retain:retaining:
Users, for whom other products and services are literally one click away, primarilylargely on the basis of the relevance and usefulness of our search resultsadvertising, as well as the general usefulness, security and the features, availability and ease of use of our products and services.
Advertisers, primarily based on our ability to generate sales leads, and ultimately customers, and to deliver their advertisements in an efficient and effective manner across a variety of distribution channels.

Content providers, primarily based on the quality of our advertiser base, our ability to help these partners generate revenues from advertising, and the terms of our agreements with them.
Ongoing Commitment to Sustainability
At Google, we build technology that helps people do more for the planet. We strive to build sustainability into everything we do, including designing and operating efficient data centers, advancing carbon-free energy, creating sustainable workplaces, building better devices and services, empowering users with technology, and enabling a responsible supply chain.
Google has been carbon neutral since 2007, and in 2019, for the third consecutive year, we matched 100% of our electricity consumption with renewable energy purchases. We are the largest annual corporate purchaser of renewable energy in the world, based on renewable electricity purchased in megawatt-hour (MWh). In 2020, we neutralized our entire legacy carbon footprint since our founding (covering all our operational emissions before we became carbon neutral in 2007), making Google the first major company to achieve carbon neutrality for its entire operating history. In our third decade of climate action, we’ve set our most ambitious goal yet: to run our business on carbon-free energy everywhere, at all times, by 2030.
We're also investing in technologies to help our partners and people all over the world make sustainable choices. For example, we intend to enable 5 GW of new carbon-free energy across our key manufacturing regions by 2030 through investment. We anticipate this will spur more than $5 billion in clean energy investments, avoid the amount of emissions equal to taking more than 1 million cars off the road each year, and create more than 8,000 clean energy jobs. With the Environmental Insights Explorer, we're also working to help more than 500 cities and local governments globally reduce a total of 1 gigaton of carbon emissions annually by 2030 — that’s the equivalent of the annual carbon emissions of a country the size of Japan.
Google’s products are already helping people make more sustainable choices in their daily lives, whether it’s using Google Maps to find bike-shares and electric vehicle charging stations, or in many European countries, using Google Flights to sort the least carbon-intensive option flights. There are more tools and information we can provide, and our goal is to find new ways that our products can help 1 billion people make more sustainable choices by 2022.
Climate change is one of the most significant global challenges of our time. In 2017, we developed a climate resilience strategy, which included conducting a climate scenario analysis. We've earned a spot on the CDP (formerly the Carbon Disclosure Project) Climate Change A List for seven consecutive years. We believe our CDP climate change response reflects the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD).
In 2020, we issued $5.75 billion in sustainability bonds, the largest sustainability or green bond issuance by any company in history. The net proceeds from the issuance are used to fund environmentally and socially responsible projects in the following eight areas: energy efficiency, clean energy, green buildings, clean transportation, circular economy and design, affordable housing, commitment to racial equity, and support for small businesses and COVID-19 crisis response.
More information on our approach to sustainability can be found in our annual sustainability reports, including Google’s environmental report. The content of our sustainability reports are not incorporated by reference into this Annual Report on Form 10-K or in any other report or document we file with the SEC.
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Culture and Workforce
We’re a company of curious, talented and passionate people. We embrace collaboration and creativity, and encourage the iteration of ideas to address complex challenges in technology and society.
Our people are critical for our continued success. We work hard to provide an environment where Googlers can have fulfilling careers, and be happy, healthy and productive. We offer industry-leading benefits and programs to take care of the diverse needs of our employees and their families, including access to excellent healthcare choices, opportunities for career growth and development, and resources to support their financial health. Our competitive compensation programs help us to attract and retain top candidates, and we will continue to invest in recruiting talented people to technical and non-technical roles and rewarding them well.
Alphabet is committed to making diversity, equity, and inclusion part of everything we do and we’re committed to growing a workforce that’s representative of the users we serve. More information on Google’s approach to diversity can be found in our annual diversity reports, available publicly at diversity.google. The content of our diversity reports is not incorporated by reference into this Annual Report on Form 10-K or in any other report or document we file with the SEC.
We have work councils and statutory employee representation obligations in certain countries and we are committed to supporting protected labor rights, maintaining an open culture and listening to all Googlers. Supporting healthy and open dialogue is central to how we work, and we communicate information about the company through multiple internal channels to our employees. As of December 31, 2020, Alphabet had 135,301 employees.
When necessary, we contract with businesses around the world to provide specialized services where we don’t have appropriate in-house expertise or resources, often in fields that require specialized training like cafe operations, customer support, content moderation and physical security. We also contract with temporary staffing agencies when we need to cover short-term leaves, when we have spikes in business needs, or when we need to quickly incubate special projects. We choose our partners and staffing agencies carefully, and review their compliance with Google’s Supplier Code of Conduct. We continually make improvements to promote a respectful and positive working environment for everyone — employees, vendors and temporary staff alike.
Government Regulation
We are subject to numerous U.S. federal, state, and foreign laws and regulations covering a wide variety of subject matters. Like other companies in the technology industry, we face heightened scrutiny from both U.S. and foreign governments with respect to our compliance with laws and regulations. Our compliance with these laws and regulations may be onerous and could, individually or in the aggregate, increase our cost of doing business, impact our competitive position relative to our peers, and/or otherwise have an adverse impact on our business, reputation, financial condition, and operating results. For additional information about government regulation applicable to our business, see Risk Factors in Part I, Item 1A, Trends in Our Business in Part II, Item 7, and Legal Matters in Note 10 of the Notes to Consolidated Financial Statements included in Part II, Item 8 in this Annual Report on Form 10-K.
Intellectual Property
We rely on various intellectual property laws, confidentiality procedures and contractual provisions to protect our proprietary technology and our brand. We have registered, and applied for the registration of, U.S. and international trademarks, service marks, domain names and copyrights. We have also filed patent applications in the U.S. and foreign countries covering certain of our technology, and acquired patent assets to supplement our portfolio. We have licensed in the past, and expect that we may license in the future, certain of our rights to other parties.
Culture and Employees
We take great pride in our culture. We embrace collaboration and creativity, and encourage the iteration of ideas to address complex technical challenges. Transparency and open dialogue are central to how we work, and we like to ensure that company news reaches our employees first through internal channels.
Despite our rapid growth, we still cherish our roots as a startup and wherever possible empower employees to act on great ideas regardless of their role or function within the company. We strive to hire great employees, with backgrounds and perspectives as diverse as those of our global users. We work to provide an environment where these talented people can have fulfilling careers addressing some of the biggest challenges in technology and society.
Our employees are among our best assets and are critical for our continued success. We expect to continue investing in hiring talented employees and to provide competitive compensation programs to our employees. As of December 31, 2017, we had 80,110 full-time employees. Although we have work councils and statutory employee representation obligations in certain countries, our U.S. employees are not represented by a labor union. Competition for qualified personnel in our industry is intense, particularly for software engineers, computer scientists, and other technical staff.
Seasonality
Our business is affected by seasonal fluctuations in Internetinternet usage, advertising expenditures, and underlying business trends such as traditional retail seasonality.
Other Items
Climate change is one of the most significant global challenges of our time,seasonality (including developments and we’ve long been committed to improving our energy consumption. In 2012, we set a goal to reach 100% renewable energy for our operations. While we are still performing final analysis for the year, in 2017, we purchased a total wind and solar capacity of about three gigawatts, which we expect will be enough renewables to match the energy consumption of our global operations.
We continue to invest in our existing products and services as well as developing new products and services through research and product development. We often release early-stage products. We then use data and user feedback to decide if and how to invest further in those products. Research and development expenses include the vast majority of engineering and technical headcount responsible for research and development of our existing and new products and services, as well as their associated costs. For more information, please refer to the Consolidated Statements of Income included in Part II of this Annual Report on Form 10-K.
For information about segments and geographic areas, please refer to Note 15 of the Notes to Consolidated Financial Statements included in Part II of this Annual Report on Form 10-K.
As part of the Alphabet reorganization, we converted Google Inc. into a limited liability company in September 2017.volatility arising from COVID-19).
Available Information
Our website is located at www.abc.xyz, and our investor relations website is located at www.abc.xyz/investor. Our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and our Proxy Statements, and any amendments to these reports, are available through our investor relations website, free of charge, after we file them with the SEC. We also provide a link to the section of the SEC's website at www.sec.gov that has all of the reports that we file or furnish with the SEC. You may read and copy any materials we file with the SEC at the SEC's Public Reference Room at 100 F Street, NE, Washington, D.C. 20549. You can get information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330.
We webcast via our investor relations website our earnings calls and certain events we participate in or host with members of the investment community. Our investor relations website also provides notifications of news or
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announcements regarding our financial performance and other items that may be material or of interest to our investors, including SEC filings, investor events, press and earnings releases, and blogs. We also share Google news and product updates on Google's Keyword blog at https://www.blog.google/, that may be material or of interest to our investors. Further, corporate governance information, including our certificate of incorporation, bylaws,

governance guidelines, board committee charters, and code of conduct, is also available on our investor relations website under the heading "Other." The content of our websites are not incorporated by reference into this Annual Report on Form 10-K or in any other report or document we file with the SEC, and any references to our websites are intended to be inactive textual references only.
ITEM 1A.RISK FACTORS
ITEM 1A.RISK FACTORS
Our operations and financial results are subject to various risks and uncertainties, including but not limited to those described below, which could adversely affectharm our business, reputation, financial condition, results of operations, cash flows, and the trading price of our common and capital stock.
Risks Related to Our Businesses and Industries
We face intense competition. If we do not continue to innovate and provide products and services that are useful to users, we may not remain competitive, and our revenues and operating results could be adversely affected.
Our businesses are rapidly evolving, intensely competitive, and subject to changing technologies, shifting user needs, and frequent introductions of new products and services. Competing successfully depends heavily on our ability to accurately anticipate technology developments and deliver innovative, relevant and useful products, services, and technologies to the marketplace in a timely manner. As our businesses evolve, the competitive pressure to innovate will encompass a wider range of products and services, including products and services that may be outside of our historical core business. As a result, we must continue to invest significant resources in research and development, including through acquisitions, in order to enhance our technology and our existing products and services, and introduce new products and services that people can easily and effectively use.
We have many competitors in different industries. Our current and potential domestic and international competitors range from large and established companies to emerging start-ups. Some companies have longer operating histories and more established relationships with customers and users. They can use their experiences and resources in ways that could affect our competitive position, including by making acquisitions, continuing to invest heavily in research and development and in hiring talent, aggressively initiating intellectual property claims (whether or not meritorious), and continuing to compete aggressively for users, advertisers, and content providers. Emerging start-ups may be able to innovate and provide products and services faster than we can or may foresee the consumer need for products and services before us.
In addition, new products and services can sometimes present new and difficult technological and legal challenges, which may negatively impact our brands and demand for our products and services and adversely impact our revenues and operating results. Our operating results would also suffer if
Risks Specific to our innovations are not responsive to the needs of our users, advertisers, and content providers; are not appropriately timed with market opportunities; or are not effectively brought to market. As technologies continue to develop, our competitors may be able to offer user experiences that are, or that are seen to be, substantially similar to or better than ours. This may force us to compete in different ways and expend significant resources in order to remain competitive. If our competitors are more successful than we are in developing compelling products or in attracting and retaining users, advertisers, and content providers, our revenues and operating results could be adversely affected.Company
We generate substantially alla significant portion of our revenues from advertising, and reduced spending by advertisers, or a loss of partners, or new and existing technologies that block ads online and/or affect our ability to customize ads could harm our advertising business.
We generatedgenerated over 86% of80% of total revenues from advertisingthe display of ads online in 2017.2020. Many of our advertisers, companies that distribute our products and services, digital publishers, and content partnersproviders can terminate their contracts with us at any time. ThoseThese partners may not continue to do business with us if we do not create more value (such as increased numbers of users or customers, new sales leads, increased brand awareness, or more effective monetization) than their available alternatives. IfChanges to our advertising policies and data privacy practices, as well as changes to other companies’ advertising and/or data privacy practices may affect the advertising that we do notare able to provide, which could harm our business. In addition, technologies have been developed that make customized ads more difficult or that block the display of ads altogether and some providers of online services have integrated technologies that could potentially impair the availability and functionality of third-party digital advertising. Failing to provide superior value or deliver advertisements efficientlyeffectively and competitively we could see a decrease in revenueharm our reputation, financial condition, and other adverse impacts to our business. operating results.
In addition, expenditures by advertisers tend to be cyclical, reflecting overall economic conditions and budgeting and buying patterns. Adverse macroeconomic conditions, can alsoincluding COVID-19 and its effects on the global economy (as discussed in greater detail in our COVID-19 risk factor under ‘General Risks’ below), have a material negative impact on user activity andimpacted the demand for advertising and causeresulted in fluctuations in the amounts our advertisers to reduce the amounts they spend on advertising, and could have an adverse impact on such demand and spend, which could adverselyharm our financial condition and operating results.
We face intense competition. If we do not continue to innovate and provide products and services that are useful to users, we may not remain competitive, which could harm our business and operating results.
Our business environment is rapidly evolving and intensely competitive. Our businesses face changing technologies, shifting user needs, and frequent introductions of rival products and services. To compete successfully, we must accurately anticipate technology developments and deliver innovative, relevant and useful products, services, and technologies in a timely manner. As our businesses evolve, the competitive pressure to innovate will encompass a wider range of products and services. We must continue to invest significant resources in research and development, including through acquisitions, in order to enhance our technology and new and existing products and services.
We have many competitors in different industries. Our current and potential domestic and international competitors range from large and established companies to emerging start-ups. Some competitors have longer operating histories and well established relationships in various sectors. They can use their experience and resources in ways that could affect our revenuescompetitive position, including by making acquisitions, continuing to invest heavily in research and advertising business.development and in talent, aggressively initiating intellectual property claims (whether or not meritorious), and continuing to compete aggressively for users, advertisers, customers, and content providers. Further, discrepancies in enforcement of existing laws may enable our lesser known competitors to aggressively interpret those laws without commensurate scrutiny, thereby affording them competitive advantages. Our competitors may also be able to innovate and provide products and services faster than we can or may foresee the need for products and services before us.

Our operating results may also suffer if our products and services are not responsive to the needs of our users, advertisers, publishers, customers, and content providers. As technologies continue to develop, our competitors may be able to offer experiences that are, or that are seen to be, substantially similar to or better than ours. This
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may force us to compete in different ways and expend significant resources in order to remain competitive. If our competitors are more successful than we are in developing compelling products or in attracting and retaining users, advertisers, publishers, customers, and content providers, our operating results could be harmed.
Our ongoing investment in new businesses, and new products, services, and technologies is inherently risky, and could disrupt our current operations.operations and harm our financial condition and operating results.
We have invested and expect to continue to invest in new businesses, products, services, and technologies. The creation of Alphabet as a holding company in 2015 and the investments that we are making across various areas in Google Services, Google Cloud and Other Bets are a reflection ofreflect our ongoing efforts to innovate and provide products and services that are useful to users.users, advertisers, publishers, customers, and content providers. Our investments in Google Services, Google Cloud and Other Bets span a wide range of industries beyond online advertising. Such investments ultimately may not be commercially viable or may not result in an adequate return of capital and, in pursuing new strategies, we may incur unanticipated liabilities. These endeavors may involve significant risks and uncertainties, including insufficient revenues from such investments to offset any new liabilities assumed and expenses associated with these new investments, inadequate return of capital on our investments, distractiondiversion of management from current operations,resources and, with respect to Other Bets, the use of alternative investment, governance, or compensation structures and unidentified issues not discovered in our due diligence of such strategies and offerings that could cause us tomay fail to realizeadequately align incentives across the anticipated benefitscompany or otherwise accomplish their objectives.
Within Google Services, we continue to invest heavily in hardware, including our smartphones and home devices, which is a highly competitive market with frequent introduction of such investmentsnew products and incur unanticipated liabilities.services, rapid adoption of technological advancements by competitors, short product life cycles, evolving industry standards, continual improvement in product price and performance characteristics, and price and feature sensitivity on the part of consumers and businesses. There can be no assurance we will be able to provide hardware that competes effectively.
Within Google Cloud, we devote significant resources to develop and deploy our enterprise-ready cloud services, including Google Cloud Platform and Google Workspace. We are incurring costs to build and maintain infrastructure to support cloud computing services and hire talent, particularly to support and scale our salesforce. At the same time, our competitors are rapidly developing and deploying cloud-based services. Pricing and delivery models are competitive and evolving, and we may not attain sufficient scale and profitability to achieve our business objectives.
Within Other Bets, we are investing significantly in the areas of health, life sciences, and transportation, among others. These investment areas face intense competition from large experienced and well-funded competitors and our offerings may not be able to compete effectively or to operate at sufficient levels of profitability.
In addition, new and evolving products and services, including those that use artificial intelligence and machine learning, raise ethical, technological, legal, regulatory, and other challenges, which may negatively affect our brands and demand for our products and services. Because all of these new ventures are inherently risky, no assurance can be given that such strategies and offerings will be successful and will not adversely affectharm our reputation, financial condition, and operating results.
The Internet is accessed through a variety of platforms and form factors that continue to evolve with the advancement of technology and user preferences. If manufacturers and users do not widely adopt versions of our search technology, products, or operating systems developed for these devices and modalities, our business could be adversely affected.
The number of people who access the Internet through devices other than desktop computers, including mobile phones, smartphones, laptops and tablets, video game consoles, voice-assisted speakers, automobiles, and television set-top devices, is increasing dramatically. The functionality and user experience associated with some alternative devices and modalities may make the use of our products and services or the generation of advertising revenue through such devices more difficult (or just different), and the versions of our products and services developed for these devices may not be compatible or compelling to users, manufacturers, or distributors of alternative devices. Each manufacturer or distributor may establish unique technical standards for its devices, and our products and services may not work or be viewable on these devices as a result. Some manufacturers may also elect not to include our products on their devices. In addition, search queries are increasingly being undertaken via apps tailored to particular devices or social media platforms, which could affect our search and advertising business over time. As new devices and platforms are continually being released, it is difficult to predict the problems we may encounter in adapting our products and services and developing competitive new products and services. We expect to continue to devote significant resources to the creation, support, and maintenance of products and services across multiple platforms and devices. If we are unable to attract and retain a substantial number of alternative device manufacturers, suppliers, distributors, developers, and users to our products and services, or if we are slow to develop products and technologies that are more compatible with alternative devices and platforms, we will fail to capture the opportunities available as consumers and advertisers continue to exist in a dynamic, multi-platform environment.
Our revenue growth rate could decline over time, and we anticipate downward pressure on our operating margin in the future.
Our revenue growth rate could decline over time as a result of a number of factors, including:
including increasing competition
changes and the continued expansion of our business into a variety of new fields. Changes in device mix, geographic mix, ongoing product and policy changes, product mix, and property mix
the challenges and an increasing competition for advertising may also affect our advertising revenue growth rate. We may also experience a decline in maintaining our revenue growth rate as our revenues increase to higher levels,
the evolution of the online advertising market, including the increasing variety of online platforms for advertising, and the other markets if there is a decrease in which we participate, and
the rate of user adoption of our products, services, and technologies.technologies, or due to deceleration or decline in demand for devices used to access our services, among other factors. In addition, COVID-19 and its effects on the global economy has impacted and may continue to adversely impact our revenue growth rate (as discussed in greater detail in our COVID-19 risk factor under ‘General Risks’ below).
We believeIn addition to a decline in our margins couldrevenue growth rate, we may also experience downward pressure on our operating margin resulting from a variety of factors, such as a resultthe continued expansion of our business into new fields, including products and services such as hardware, Google Cloud, and subscription products, as well as significant investments in Other Bets, all of which may have margins lower than those we generate from advertising. We may also experience downward pressure on our operating margins from increasing regulations, increasing competition and increased costs for many aspects of our business, as well as the continuing shift to mobile,including within advertising where changes insuch as device mix, property mix, and the contribution of new businesses to overall revenue. For instance, the margin on revenues we generate from our Google Network Members is significantly less than the margin on revenues we generate from advertising on Google properties. Consequently, our margins will experience downward pressure if a greater percentage of our revenues comes from ads placed on our Google Network Members' properties compared to revenues generated through ads placed on Google properties. Additionally, thepartner agreements can affect margin. The margin we earn on revenues generated from our Google Network Members could also decrease in the future if we pay an evena larger percentage of advertising fees to our Google Network Members.
Furthermore, in our multi-device world, we generate our advertising revenues increasingly from mobile and newer advertising formats, and the margins from the advertising revenues from these sources have generally been lower than those from traditional desktop search.them. We may also expect ourpay increased TAC paid to our distribution partners as well as increased content acquisition
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costs to content providers. We may also face an increase duein infrastructure costs, supporting businesses such as Search, Google Cloud, and YouTube. Many of our expenses are less variable in nature and may not correlate to changes in device mix between mobile, desktop, and tablet, partner mix, partner agreement terms,revenues.
Due to these factors and the percentage of queries channeled through paid access points.

Additionally, our margins could experience downward pressure as revenues from the sale of hardware products and cloud-based services increase as a percentage of consolidated revenues because the margin on the sale of these products and services have generally been lower than that from Google search. Furthermore, our margins could be impacted adversely if we spend a proportionately larger amount to promote new products and services or distribute certain products or if we invest more heavily in our innovation efforts across the Company (such as our Other Bets businesses) than we have historically.
We are subject to increasing regulatory scrutiny that may negatively impact our business. Additionally, changes in public policies governing a wide range of topics may adversely affect our business.
The growthevolving nature of our companybusiness, our historical revenue growth rate and our expansion into a variety of new fields involves a variety of new regulatory issues, and we have experienced increased regulatory scrutiny as we have grown. For instance, various regulatory agencies are reviewing aspectshistorical operating margin may not be indicative of our search and other businesses, which can lead to increased scrutiny from other regulators and legislators, that may affect our reputation, brand and third-party relationships. Such reviews may also result in substantial regulatory fines, changes to our business practices and other penalties, which could negatively impact our business and results of operations. We continue to cooperate with the European Commission and other regulatory authorities around the world in investigations they are conducting with respect to our business.
Additionally, changes in social, political, and regulatory conditions or in laws and policies governing a wide range of topics may disrupt our business practices. These changes could negatively impact our business and results of operations in material ways.
A variety of new and existing laws could subject us to claims or otherwise harm our business.
We are subject to numerous U.S. and international laws and regulations covering a wide variety of subject matters. New laws and regulations (or new interpretations of existing laws and regulations) may make our products and services less useful, require us to incur substantial costs, expose us to unanticipated civil or criminal liability, or cause us to change our business practices. For example, current and new patent laws such as U.S. patent laws and European patent laws may affect the ability of companies, including us, to protect their innovations and defend against claims of patent infringement. Similarly, changes to copyright laws being considered in Europe and elsewhere may increase costs or require companies, including us, to change or cease offering certain existing services. The costs of compliance with these laws and regulations are high and are likely to increase in the future.
Claims have been, or may be, threatened and filed against us under both U.S. and international laws for defamation, invasion of privacy and other tort claims, unlawful activity, patent, copyright and trademark infringement, product liability, or other theories based on the nature and content of the materials searched and the ads posted by our users, our products and services, or content generated by our users. Furthermore, many of these laws do not contemplate or address the unique issues raised by a number of our new businesses, products, services and technologies. In addition, the applicability and scope of these laws, as interpreted by the courts, remain uncertain.
Other laws that could subject us to claims or otherwise harm our business include, among others:
We rely on statutory safe harbors, as set forth in the Digital Millennium Copyright Act in the United States and the E-Commerce Directive in Europe, against copyright liability for various linking, caching, and hosting activities. Any legislation or court rulings impacting these safe harbors may adversely impact us.
The General Data Protection Regulation, coming into effect in the European Union in May of 2018, which creates a range of new compliance obligations, which could cause us to change our business practices, and will increase financial penalties for noncompliance significantly.
Court decisions such as the judgment of the Court of Justice of the European Union on May 13, 2014 on the ‘right to be forgotten,’ which allows individuals to demand that Google remove search results about them in certain instances, may limit the content we can show to our users and impose significant operational burdens.
Court decisions that require Google to suppress content not just in the jurisdiction of the issuing court, but for all of our users worldwide, including locations where the content at issue is lawful. The Supreme Court of Canada issued such a decision against Google in June 2017, and others could treat its decision as persuasive. For instance, with respect to the ‘right to be forgotten,’ a follow-up case is pending before the Court of Justice of the European Union, which could result in an order to apply delisting actions under the ‘right to be forgotten’ worldwide.
Various U.S. and international laws that restrict the distribution of materials considered harmful to children and impose additional restrictions on the ability of online services to collect information from minors.

Various laws with regards to content removal and disclosure obligations, such as the recently enacted Network Enforcement Act in Germany, which may impact our businesses and operations and may subject us to significant fines if such laws are interpreted and applied in a manner inconsistent with our practices.
Data protection laws passed by many states within the U.S. and by certain countries that require notification to users when there is a security breach of personal data.
Data localization laws, which generally mandate that certain types of data collected in a particular country be stored and/or processed within that country.
Privacy laws, which could be interpreted over-broadly to limit some product offerings and increase costs.
We face risks and costs overseas as our products and services are offered in international markets and may be subject to additional regulations. Any failure on our part to comply with these laws and regulations can result in negative publicity and diversion of management time and effort and may subject us to significant liabilities and other penalties.
We are regularly subject to claims, suits, government investigations, and other proceedings that may result in adverse outcomes.
We are regularly subject to claims, suits, and government investigations involving competition, intellectual property, privacy, consumer protection, tax, labor and employment, commercial disputes, content generated by our users, goods and services offered by advertisers or publishers using our platforms, and other matters. The manufacturing and sale of an expanded suite of products, including hardware, further exposes us to the risk of product liability and other litigation as well as consumer protection concerns related to product defects, as well as health and safety, hazardous materials usage, and other environmental concerns. We may also be subject to claims, including product warranty claims, if users experience service disruptions, failures, or other issues. In addition, our businesses face intellectual property litigation, as discussed later, that exposes us to the risk of exclusion and cease and desist orders, which could limit our ability to sell products and services.
Such claims, suits, and government investigations are inherently uncertain. Regardless of the outcome, any of these types of legal proceedings can have an adverse impact on us because of legal costs, diversion of management resources, and other factors. Determining reserves for our pending litigation is a complex, fact-intensive process that requires significant judgment. It is possible that a resolution of one or more such proceedings could result in substantial fines and penalties that could adversely affect our business, consolidated financial position, results of operations, or cash flows in a particular period. These proceedings could also result in reputational harm, criminal sanctions, consent decrees, or orders preventing us from offering certain features, functionalities, products, or services, requiring a change in our business practices or product recalls or corrections, or requiring development of non-infringing or otherwise altered products or technologies. Any of these consequences could adversely affect our business and results of operations.
We may be subject to legal liability associated with providing online services or content.
We host and provide a wide variety of services and products that enable users to exchange information, advertise products and services, conduct business, and engage in various online activities both domestically and internationally. The law relating to the liability of providers of these online services and products for activities of their users is still somewhat unsettled both within the U.S. and internationally. Claims have been threatened and have been brought against us for defamation, negligence, breaches of contract, copyright or trademark infringement, unfair competition, unlawful activity, tort, including personal injury, fraud, or other theories based on the nature and content of information that we publish or to which we provide links or that may be posted online or generated by us or by third parties, including our users. In addition, we are and have been and may again in the future be subject to domestic or international actions alleging that certain content we have generated or third-party content that we have made available within our services violates U.S. and international law.
We also place advertisements which are displayed on third-party publishers and advertising networks properties, and we offer third-party products, services, or content. We may be subject to claims concerning these products, services, or content by virtue of our involvement in marketing, branding, broadcasting, or providing access to them, even if we do not ourselves host, operate, provide, or provide access to these products, services, or content. Defense of any such actions could be costly and involve significant time and attention of our management and other resources, which may result in monetary liabilities or penalties, and may require us to change our business in an adverse manner.
Privacy concerns relating to our technology could damage our reputation and deter current and potential users or customers from using our products and services. If our security measures are breached resulting in the improper use and disclosure of user data, or if our services are subject to attacks that degrade or deny the ability of users to access our products and services, our products and services may be perceived as not

being secure, users and customers may curtail or stop using our products and services, and we may incur significant legal and financial exposure.
From time to time, concerns have been expressed about whether our products, services, or processes compromise the privacy of users, customers, and others. Concerns about our practices with regard to the collection, use, disclosure, or security of personal information or other privacy related matters, even if unfounded, could damage our reputation and adversely affect our operating results.
Our products and services involve the storage and transmission of users’ and customers’ proprietary information, and theft and security breaches expose us to a risk of loss of this information, improper use and disclosure of such information, litigation, and potential liability. Any systems failure or compromise of our security that results in the release of our users’ data, or in our or our users’ ability to access such data, could seriously harm our reputation and brand and, therefore, our business, and impair our ability to attract and retain users. We expect to continue to expend significant resources to maintain state-of-the-art security protections that shield against theft and security breaches.
We experience cyber attacks of varying degrees on a regular basis. Our security measures may also be breached due to employee error, malfeasance, system errors or vulnerabilities, including vulnerabilities of our vendors, suppliers, their products, or otherwise. Such breach or unauthorized access, increased government surveillance, or attempts by outside parties to fraudulently induce employees, users, or customers to disclose sensitive information in order to gain access to our data or our users’ or customers’ data could result in significant legal and financial exposure, damage to our reputation, and a loss of confidence in the security of our products and services that could potentially have an adverse effect on our business. Because the techniques used to obtain unauthorized access, disable or degrade service, or sabotage systems change frequently, become more sophisticated, and often are not recognized until launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. Additionally, cyber attacks could also compromise trade secrets and other sensitive information and result in such information being disclosed to others and becoming less valuable, which could negatively affect our business. If an actual or perceived breach of our security occurs, the market perception of the effectiveness of our security measures could be harmed and we could lose users and customers.
Our business is subject to complex and evolving U.S. and international laws and regulation regarding privacy and data protection. Many of these laws and regulations are subject to change and uncertain interpretation and could result in claims, changes to our business practices, penalties, increased cost of operations, or declines in user growth or engagement, or otherwise harm our business.
Regulatory authorities around the world are considering a number of legislative and regulatory proposals concerning data protection, including measures to ensure that encryption of users’ data does not hinder law enforcement agencies’ access to that data. In addition, the interpretation and application of consumer and data protection laws in the U.S., Europe and elsewhere are often uncertain and in flux. It is possible that these laws may be interpreted and applied in a manner that is inconsistent with our data practices. These legislative and regulatory proposals, if adopted, and such interpretations could, in addition to the possibility of fines, result in an order requiring that we change our data practices, which could have an adverse effect on our business and results of operations. Complying with these various laws could cause us to incur substantial costs or require us to change our business practices in a manner adverse to our business.
Recent legal developments in Europe have created compliance uncertainty regarding certain transfers of personal data from Europe to the United States. For example, the General Data Protection Regulation (GDPR), coming into application in the European Union (EU) on May 25, 2018, will apply to all of our activities conducted from an establishment in the EU or related to products and services that we offer to EU users. The GDPR will create a range of new compliance obligations, which could cause us to change our business practices, and will significantly increase financial penalties for noncompliance (including possible fines of up to 4% of global annual turnover for the preceding financial year or €20 million (whichever is higher) for the most serious infringements).
In addition, the European Commission in July 2016 and the Swiss Government in January 2017 approved the EU-U.S. and the Swiss-U.S. Privacy Shield frameworks, respectively, which are designed to allow U.S. companies that self-certify to the U.S. Department of Commerce and publicly commit to comply with the Privacy Shield requirements to freely import personal data from the EU and Switzerland. However, these frameworks face a number of legal challenges and their validity remains subject to legal, regulatory and political developments in both Europe and the U.S. This has resulted in some uncertainty, and compliance obligations could cause us to incur costs or require us to change our business practices in a manner adverse to our business.

We are, and may in the future be, subject to intellectual property or other claims, which are costly to defend, could result in significant damage awards, and could limit our ability to use certain technologies in the future.
Internet, technology, media, and other companies own large numbers of patents, copyrights, trademarks, and trade secrets and frequently enter into litigation based on allegations of infringement or other violations of intellectual property rights. In addition, patent holding companies may continue to seek to monetize patents they have purchased or otherwise obtained. As we have grown, the number of intellectual property claims against us has increased and may continue to increase as we develop new products, services, and technologies.
We have had patent, copyright, and trademark infringement lawsuits filed against us claiming that certain of our products, services, and technologies infringe the intellectual property rights of others. Third parties have also sought broad injunctive relief against us by filing claims in U.S. and international courts and the U.S. International Trade Commission (ITC) for exclusion and cease and desist orders, which could limit our ability to sell our products or services in the U.S. or elsewhere if our products or services or those of our customers or suppliers are found to infringe the intellectual property subject to the claims. Adverse results in any of these lawsuits may include awards of substantial monetary damages, costly royalty or licensing agreements (if licenses are available at all), or orders preventing us from offering certain features, functionalities, products, or services, and may also cause us to change our business practices and require development of non-infringing products, services or technologies, which could result in a loss of revenues for us and otherwise harm our business.
Many of our agreements with our customers and partners, including certain suppliers, require us to indemnify them for certain intellectual property infringement claims against them, which could increase our costs as a result of defending such claims, and may require that we pay significant damages if there were an adverse ruling in any such claims. Such customers and partners may also discontinue the use of our products, services, and technologies, as a result of injunctions or otherwise, which could result in loss of revenues and adversely impact our business. Moreover, intellectual property indemnities provided to us by our suppliers, when obtainable, may not cover all damages and losses suffered by us and our customers from covered products. Furthermore, in connection with our divestitures, we have agreed, and may in the future agree, to provide indemnification for certain potential liabilities, including those associated with intellectual property claims.
Regardless of their merits, intellectual property claims are often time consuming, expensive to litigate or settle, and cause significant diversion of management attention. To the extent such claims are successful, they may have an adverse effect on our business, consolidated financial position, results of operations, or cash flows.performance.
Our intellectual property rights are valuable, and any inability to protect them could reduce the value of our products, services and brand.brands as well as affect our ability to compete.
Our patents, trademarks, trade secrets, copyrights, and other intellectual property rights are important assets for us. Various events outside of our control pose a threat to our intellectual property rights, as well as to our products, services, and technologies. For example, effective intellectual property protection may not be available in every country in which our products and services are distributed or made available through the Internet. Also, the efforts we have taken to protect our proprietary rights may not be sufficient or effective. Although we seek to obtain patent protection for our innovations, it is possible we may not be able to protect some of these innovations. Moreover, we may not have adequate patent or copyright protection for certain innovations that later turn out to be important. Furthermore, there is always the possibility, despite our efforts, that the scope of the protection gained will be insufficient or that an issued patent may be deemed invalid or unenforceable.
We also seek to maintain certain intellectual property as trade secrets. The secrecy of such trade secrets and other sensitive information could be compromised, by outside parties, or by our employees, which could cause us to lose the competitive advantage resulting from these trade secrets. We also face risks associated with our trademarks. For example, there is a risk that the word “Google” could become so commonly used that it becomes synonymous with the word “search.” Some courts have ruled that "Google" is a protectable trademark, but it is possible that other courts, particularly those outside of the United States, may reach a different determination. If this happens, we could lose protection for this trademark, which could result in other people using the word “Google” to refer to their own products, thus diminishing our brand.
Any significant impairment of our intellectual property rights could harm our business and our ability to compete. Also, protecting our intellectual property rights is costly and time consuming. Any increase in the unauthorized use of our intellectual property could make it more expensive to do business and harm our operating results.
Acquisitions, joint ventures, investments, and divestitures could result in operating difficulties, dilution, and other consequences that may adversely impact our business and results of operations.
Acquisitions, joint ventures, investments and divestitures are important elements of our overall corporate strategy and use of capital, and these transactions could be material to our financial condition and results of operations. We

expect to continue to evaluate and enter into discussions regarding a wide array of potential strategic transactions. Effecting these strategic transactions could create unforeseen operating difficulties and expenditures. The areas where we face risks include, among others:
Diversion of management time and focus from operating our business to challenges related to acquisitions and other strategic transactions.
Failure to successfully further develop the acquired business or technology.
Implementation or remediation of controls, procedures, and policies at the acquired company.
Integration of the acquired company's accounting, human resource, and other administrative systems, and coordination of product, engineering, and sales and marketing functions.
Transition of operations, users, and customers onto our existing platforms.
Failure to obtain required approvals on a timely basis, if at all, from governmental authorities, or conditions placed upon approval that could, among other things, delay or prevent us from completing a transaction, or otherwise restrict our ability to realize the expected financial or strategic goals of an acquisition or other strategic transaction.
In the case of foreign acquisitions, the need to integrate operations across different cultures and languages and to address the particular economic, currency, political, and regulatory risks associated with specific countries.
Cultural challenges associated with integrating employees from the acquired company into our organization, and retention of employees from the businesses we acquire.
Liability for activities of the acquired company before the acquisition, including patent and trademark infringement claims, privacy issues, violations of laws, commercial disputes, tax liabilities, and other known and unknown liabilities.
Litigation or other claims in connection with the acquired company, including claims from terminated employees, customers, former stockholders, or other third parties.
Our failure to address these risks or other problems encountered in connection with our past or future acquisitions and other strategic transactions could cause us to fail to realize their anticipated benefits, incur unanticipated liabilities, and harm our business generally.
Our acquisitions could also result in dilutive issuances of our equity securities, the incurrence of debt, contingent liabilities, or amortization expenses, or impairment of goodwill and/or purchased long-lived assets, and restructuring charges, any of which could harm our financial condition or results. Also, the anticipated benefits or value of our acquisitions and other strategic transactions may not materialize. In connection with our divestitures, we have agreed, and may in the future agree, to provide indemnification for certain potential liabilities, which may adversely impact our financial condition or results.
Our business depends on strong brands, and failing to maintain and enhance our brands would hurt our ability to expand our base of users, advertisers, customers, content providers, and other partners.
Our strong brands have significantly contributed to the success of our business. Maintaining and enhancing the brands within Google Services, Google Cloud and Other Bets increases our ability to enter new categories and launch new and innovative products that better serve the needs of our users.users, advertisers, customers, content providers, and other partners. Our brands may be negatively impactedaffected by a number of factors, including, among others, reputational issues, third-party content shared on our platforms, data privacy and security issues and developments, and product or technical performance failures. For example, if we fail to appropriately respond to the sharing of misinformation or objectionable content on our services and/or products or objectionable practices by advertisers, or to otherwise adequately address user concerns, our users may lose confidence in our brands. Our brands may also be negatively affected by the use of our products or services to disseminate information that is deemed to be misleading.
Furthermore, if we failfailure to maintain and enhance equity in the Google brand,our brands may harm our business, operating results, and financial condition, may be materially and adversely affected.operating results. Our success will depend largely on our ability to remain a technology leader and continue to provide high-quality, innovative products and services that are truly useful and play a meaningfulvaluable role in people’s everyday lives.

a range of settings.
We face a number of manufacturing and supply chain risks that, if not properly managed, could adversely impactharm our financial condition, operating results, and prospects.
We face a number of risks related to manufacturing and supply chain management. These manufacturing and supply chain risksmanagement, which could impactaffect our ability to supply both our products and our internet-based services.
We rely on third partiesother companies to manufacture many of our assemblies and finished products, third-party arrangements for theto design certain of someour components and parts, and third party distributors, including cellular network carriers.to participate in the distribution of our products and services. Our business could be negatively affected if we are not able to engage third partiesthese companies with the necessary capabilities or capacity on reasonable terms, or if those we engage fail to meet their obligations (whether due to financial difficulties or other reasons), or make adverse changes in the pricing or other material terms of our arrangements with them.
We have in the past, andexperienced and/or may experience in the future, supply shortages and price increases driven by raw material, component or part availability, manufacturing capacity, labor shortages, industry allocations, tariffs, trade disputes
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and barriers, natural disasters or pandemics (including COVID-19), the effects of climate change (such as sea level rise, drought, flooding, wildfires, and increased storm severity), and significant changes in the financial or business condition of our suppliers. We have experienced and/or may in the future, experience shortages or other supply chain disruptions in the future that could negatively impactaffect our operations. In addition, some of the components we use in our technical infrastructure and products are available from only from a single sourceone or limited sources, and we may not be able to find replacement vendors on favorable terms or at all in the event of a supply chain disruption. In addition, a significant hardware supply interruption could delay critical data center upgrades or expansions.expansions and delay product availability.
We may enter into long term contracts for materials and products that commit us to significant terms and conditions of supply.conditions. We may be liable for materialmaterials and productproducts that isare not consumed due to market acceptance, technological change, obsolescences, quality, product recalls, and warranty issues. For instance, because manycertain of our hardware supply contracts have volume-based pricing or minimum purchase requirements, if the volume of our hardware sales decreases or does not reach projected targets, we could face increased materials and manufacturing costs or other financial liabilities that could make our products more costly per unit to manufacture and therefore less competitive and negatively impactaffect our financial results. Furthermore, certain of our competitors may negotiate more favorable contractual terms based on volume and other commitments that may provide them with competitive advantages and may impactaffect our supply.
Additionally, theOur products and services we sell or offer may have quality issues resulting from the design, manufacturing, or manufacture of the product, or from the software used.operations. Sometimes, these issues may be caused by components we purchase from other manufacturers or suppliers. If the quality of our products and services does not meet our customers’ expectations or our products or services are found to be defective, thenit could harm our salesreputation, financial condition, and operating earnings, and ultimately our reputation, could be negatively impacted.results.
We also require our suppliers and business partners to comply with lawlaws and, where applicable, our company policies, such as the Google Supplier Code of Conduct, regarding workplace and employment practices, data security, environmental compliance and intellectual property licensing, but we do not control them or their practices. If anyViolations of them violates lawslaw or implementsunethical business practices regarded as unethical, we could experienceresult in supply chain disruptions, canceled orders, terminations of or damageharm to key relationships, and damage to our reputation. If any of them failsTheir failure to procure necessary license rights to third-party intellectual property, legal action could ensue that could impact the saleability ofaffect our ability to sell our products or services and expose us to litigation or financial obligations to third parties.
The Dodd-Frank Wall Street Reform and Consumer Protection Act includes disclosure requirements regarding the use of certain minerals mined from the Democratic Republic of Congo and adjoining countries (DRC) and procedures pertaining to a manufacturer's efforts regarding the source of such minerals. SEC rules implementing these requirements may have the effect of reducing the pool of suppliers who can supply DRC conflict free components and parts, and we may not be able to obtain DRC conflict free products or supplies in sufficient quantities for our operations. Since our supply chain is complex, we may face reputational challenges with our customers, stockholders and other stakeholders if we are unable to sufficiently verify the origins for the minerals used in our products.
Web spam and content farms could decrease our search quality, which could damage our reputation and deter our current and potential users from using our products and services.
Web spam refers to websites that attempt to violate a search engine's quality guidelines or that otherwise seek to rank higher in search results than a search engine's assessment of their relevance and utility would rank them.
Although English-language web spam in our search results has been significantly reduced, and web spam in most other languages is limited, we expect web spammers will continue to seek ways to improve their rankings inappropriately. We continuously combat web spam, including through indexing technology that makes it harder for spam-like, less useful web content to rank highly. We face challenges from low-quality and irrelevant content websites, including content farms, which are websites that generate large quantities of low-quality content to help them improve their search rankings. We are continually launching algorithmic changes focused on low-quality websites. If our search results display an increasing number of web spam and content farms, this could hurt our reputation for delivering

relevant information or reduce user traffic to our websites. In addition, as we continue to take actions to improve our search quality and reduce low-quality content, this may in the short run reduce our Google Network Members' revenues, since some of these websites are Google Network Members.claims.
Interruption, interference with, or failure of our complex information technology and communications systems could hurt our ability to effectively provide our products and services, which could damageharm our reputation, financial condition, and operating results. In addition, complications with the design or implementation of our new global enterprise resource planning system could harm our operating results.business and operations.
The availability of our products and services dependsand fulfillment of our customer contracts depend on the continuing operation of our information technology and communications systems. Our systems are vulnerable to damage, interference, or interruption from earthquakes,modifications or upgrades, terrorist attacks, natural disasters or pandemics (including COVID-19), the effects of climate change (such as sea level rise, drought, flooding, wildfires, and increased storm severity), power loss, telecommunications failures, computer viruses, ransomware attacks, computer denial of service attacks, phishing schemes, or other attempts to harm or access our systems. Some of our data centers are located in areas with a high risk of major earthquakes or other natural disasters. Our data centers are also subject to break-ins, sabotage, and intentional acts of vandalism, and, in some cases, to potential disruptions if the operators of certain of these facilities have financial difficulties.resulting from problems experienced by facility operators. Some of our systems are not fully redundant, and our disaster recovery planning cannot account for all eventualities.
The occurrence of a natural disaster a decision to closeor pandemic (including COVID-19), closure of a facility, we are using, or other unanticipated problems at, or impacting, our data centers could result in lengthy interruptions in our service. In addition, our products and services are highly technical and complex and may contain errors or vulnerabilities, which could result in interruptions in or failure of our services or systems.
In addition, we rely extensively on information systems and technology to manage our business and summarize operating results. We are in the failureprocess of a multi-year implementation of a new ERP system, which will replace much of our existing core financial systems. The ERP system is designed to accurately maintain our financial records, enhance the flow of financial information, improve data management, and provide timely information to our management team. We may not be able to successfully implement the ERP system without experiencing delays, increased costs, and other difficulties. Failure to successfully design and implement the new ERP system as planned could harm our business, financial condition, and operating results. Additionally, if we do not effectively implement the ERP system as planned or the ERP system does not operate as intended, the effectiveness of our internal control over financial reporting could be negatively affected.
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Our international operations expose us to additional risks that could harm our business, our financial condition, and operating results, and financial condition.results.
Our international operations are significant to our revenues and net income, and we plan to continue to grow internationally. International revenues accounted for approximately 53% of our consolidated revenues in 2017. In certain international markets, we have limited operating experience and may not succeed.
2020. In addition to risks described elsewhere in this section, our international operations expose us to other risks, including the following:
Restrictions on foreign ownership and investments, and stringent foreign exchange controls that might prevent us from repatriating cash earned in countries outside the U.S.
Import and export requirements, tariffs trade disputes and other market access barriers and customs classifications that may prevent or impede us from offering products or providing services to a particular market, or that could limit our ability to source assemblies and finished products from a particular market, and may increase our operating costs.
Longer payment cycles in some countries, increased credit risk, and higher levels of payment fraud.
Evolving foreign events, including the effect of the United Kingdom's withdrawal from the European Union, may adversely affect our revenues and could subject us to new regulatory costs and challenges (including the transfer of personal data between the EU and the United Kingdom and new customer requirements), in addition to other adverse effects that we are unable to effectively anticipate.
Anti-corruption laws, such as the U.S. Foreign Corrupt Practices Act, and legal systems.other local laws prohibiting certain payments to government officials, violations of which could result in civil and criminal penalties.
Uncertainty regarding liability for services and content, including uncertainty as a result of local laws and lack of legal precedent.
Different employee/employer relationships, existence of workers'works councils and labor unions, and other challenges caused by distance, language, and cultural differences, making it harder to do business in certain jurisdictions.
Additionally, changes in international local political, economic, regulatory, tax, social, and labor conditions may adversely harm our business, and compliance with complex international and U.S. laws and regulations that apply to our international operations increases our cost of doing business. These numerous and sometimes conflicting laws and regulations include, among others, internal control and disclosure rules, privacy and data protection requirements, anti-corruption laws, such as the U.S. Foreign Corrupt Practices Act, and other local laws prohibiting corrupt payments to governmental officials, and competition regulations, among others. Violations of these laws and regulations could result in fines and penalties, criminal sanctions against us, our officers, or our employees, prohibitions on the conduct of our business and on our ability to offer our products and services in one or more countries, and could also materially affect our brand, our international growth efforts, our ability to attract and retain employees, our business, and our operating results. Although we have implemented policies and procedures designed to ensure compliance with these laws and regulations, there can be no assurance that our employees, contractors, or agents will not violate our policies.
Finally, sinceBecause we conduct business in currencies other than U.S. dollars but report our financial results in U.S. dollars, we face exposure to fluctuations in foreign currency exchange rates. Although we hedge a portion of our international currency exposure, significant fluctuations in exchange rates between the U.S. dollar and foreign currencies may adversely affect our revenues and earnings. Additionally, hedgingearnings, particularly in light of market volatilities due to COVID-19. Hedging programs are also inherently risky and could expose us to additional risks that could adversely affectharm our financial condition and resultsoperating results.
Risks Related to our Industry
People access the Internet through a variety of operations.

Our operating results may fluctuate, which makes our results difficultplatforms and devices that continue to predictevolve with the advancement of technology and could cause our results to fall short of expectations.
Our operating results may fluctuate as a result of a number of factors, many outsideuser preferences. If manufacturers and users do not widely adopt versions of our control. Asproducts and services developed for these interfaces, our business could be harmed.
People access the Internet through a result, comparinggrowing variety of devices such as desktop computers, mobile phones, smartphones, laptops and tablets, video game consoles, voice-activated speakers, wearables, automobiles, and television-streaming devices. Our products and services may be less popular on some interfaces. Each manufacturer or distributor may establish unique technical standards for its devices, and our operating results on a period-to-period basisproducts and services may not be meaningful,available or may only be available with limited functionality for our users or our advertisers on these devices as a result. Some manufacturers may also elect not to include our products on their devices. In addition, search queries are increasingly being undertaken via voice-activated speakers, apps, social media or other platforms, which could harm our business. It is hard to predict the challenges we may encounter in adapting our products and you should not relyservices and developing competitive new products and services. We expect to continue to devote significant resources to creating and supporting products and services across multiple platforms and devices. Failing to attract and retain a substantial number of new device manufacturers, suppliers, distributors, developers, and users, or failing to develop products and technologies that work well on new devices and platforms, could harm our business, financial condition, and operating results and ability to capture future business opportunities.
Data privacy and security concerns relating to our technology and our practices could damage our reputation, cause us to incur significant liability, and deter current and potential users or customers from using our products and services. Software bugs or defects, security breaches, and attacks on our past results as an indicationsystems could result in the improper disclosure and use of user data and interference with our future performance. Our quarterly, year-to-date,users and annual expenses as a percentage ofcustomers’ ability to use our revenues may differ significantly fromproducts and services, harming our historical or projected rates. Our operating results in future quarters may fall below expectations. Any of these events could causebusiness operations and reputation.
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Concerns about our stock price to fall. Each of the risk factors listed in this section in additionpractices with regard to the following factorscollection, use, disclosure, or security of personal information or other data-privacy-related matters, even if unfounded, could harm our reputation, financial condition, and operating results. Our policies and practices may affect our operating results:change over time as expectations regarding privacy and data change.
Our abilityproducts and services involve the storage and transmission of proprietary and other sensitive information, and bugs, theft, misuse, defects, vulnerabilities in our products and services, and security breaches expose us to continuea risk of loss of this information, improper use and disclosure of such information, litigation, and other potential liability. Systems and control failures, security breaches, failure to comply with our privacy policies, and/or inadvertent disclosure of user data could result in government and legal exposure, seriously harm our reputation and brand and, therefore, our business, and impair our ability to attract and retain users or customers. We expect to continue to expend significant resources to maintain security protections that shield against bugs, theft, misuse, or security vulnerabilities or breaches.
We experience cyber attacks and other attempts to gain unauthorized access to our systems on a regular basis. We may experience future security issues, whether due to employee error or malfeasance or system errors or vulnerabilities in our or other parties’ systems, which could result in significant legal and financial exposure. Government inquiries and enforcement actions, litigation, and adverse press coverage could harm our business. We may be unable to anticipate or detect attacks or vulnerabilities or implement adequate preventative measures. Attacks and security issues could also compromise trade secrets and other sensitive information, harming our business.
While we have dedicated significant resources to privacy and security incident response capabilities, including dedicated worldwide incident response teams, our response process, particularly during times of a natural disaster or pandemic (including COVID-19), may not be adequate, may fail to accurately assess the severity of an incident, may not respond quickly enough, or may fail to sufficiently remediate an incident. As a result, we may suffer significant legal, reputational, or financial exposure, which could harm our business, financial condition, and operating results.
Our ongoing investments in safety, security, and content review will likely continue to identify abuse of our platforms and misuse of user data.
In addition to our efforts to mitigate cyber attacks, we are making significant investments in safety, security, and content review efforts to combat misuse of our services and unauthorized access to user data by third parties, including investigations and review of platform applications that could access the information of users of our services. As a result of these efforts, we could discover incidents of unnecessary access to or misuse of user data or other undesirable activity by third parties. We may not discover all such incidents or activity, whether as a result of our data limitations, including our lack of visibility over our encrypted services, the scale of activity on our platform, or other factors, including factors outside of our control such as a natural disaster or pandemic (including COVID-19), and we may be notified of such incidents or activity via third parties. Such incidents and activities may include the use of user data or our systems in a manner inconsistent with our terms, contracts or policies, the existence of false or undesirable user accounts, election interference, improper ad purchases, activities that threaten people’s safety on- or offline, or instances of spamming, scraping, or spreading disinformation. We may also be unsuccessful in our efforts to enforce our policies or otherwise remediate any such incidents. Any of the foregoing developments may negatively affect user trust and engagement, harm our reputation and brands, require us to change our business practices in a manner adverse to our business, and adversely affect our business and financial results. Any such developments may also subject us to additional litigation and regulatory inquiries, which could result in monetary penalties and damages, divert management’s time and attention, and lead to enhanced regulatory oversight.
Problematic content on our platforms, including low-quality user-generated content, web spam, content farms, and other violations of our guidelines could affect the quality of our services, which could damage our reputation and deter our current and potential users from using our products and services.
Our abilityWe, like others in the industry, face violations of our content guidelines across our platforms, including sophisticated attempts by bad actors to monetize (ormanipulate our hosting and advertising systems to fraudulently generate revenues, from)or to otherwise generate traffic that does not represent genuine user interest or intent. While we invest significantly in efforts to promote high-quality and relevant results and to detect and prevent low-quality content and invalid traffic, we may be unable to adequately detect and prevent such abuses or promote high-quality content, particularly during times of a natural disaster or pandemic (including COVID-19).
Many websites violate or attempt to violate our guidelines, including by seeking to inappropriately rank higher in search results than our search engine's assessment of their relevance and utility would rank them. Such efforts
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(known as “web spam”) may affect the quality of content on Google propertiesour platforms and lead them to display false, misleading or undesirable content.
Although English-language web spam in our Google Network Members' properties across various devices.search results has been reduced, and web spam in most other languages is limited, we expect web spammers will continue to seek inappropriate ways to improve their rankings. We continuously combat web spam in our search results, including through indexing technology that makes it harder for spam-like, less useful web content to rank highly. We also continue to invest in and deploy proprietary technology to detect and prevent web spam from abusing our platforms.
Revenue fluctuations caused byWe also face other challenges from low-quality and irrelevant content websites, including content farms, which are websites that generate large quantities of low-quality content to help them improve their search rankings. We are continually launching algorithmic changes in device mix, geographic mix, ongoing productfocused on detecting and policy changes, product mix, and property mix.preventing abuse from low-quality websites.
The amount of revenues and expenses generated and incurred in currenciesWe also face other than U.S. dollars, andchallenges on our ability to manage the resulting risk through our foreign exchange risk management program.
The amount and timing of operating costs and expenses and capital expenditures related to the maintenance and expansionplatforms, including violations of our businesses, operations, and infrastructure.
Our focus on long-term goals over short-term results.
The resultscontent guidelines involving incidents such as attempted election interference, activities that threaten the safety and/or well-being of our acquisitions, divestitures,users on- or offline, and our investments in risky projects, including new businesses, products, services, and technologies.
Our ability to keep our products and services operational at a reasonable cost and without service interruptions.
Our ability to attract user adoptionthe spreading of and generate significant revenues from new products, services, and technologies in which we have invested considerable time and resources.
The seasonal fluctuations in Internet usage, advertising spending, and underlying business trends such as traditional retail seasonality. Our rapid growth has tended to mask the cyclicality and seasonality of our business. As our growth rate has slowed, the cyclicality and seasonality in our business has become more pronounced and caused our operating results to fluctuate.
Because our businesses are changing and evolving, our historical operating results may not be useful to you in predicting our future operating results.disinformation, among other challenges.
If we werefail to lose the services of key personnel, we may not be able to executeeither detect and prevent an increase in problematic content or effectively promote high-quality content, it could hurt our business strategy.
Our future success depends in a large part upon the continued service of key membersreputation for delivering relevant information or reduce use of our senior management team. In particular, Larry Pageplatforms, harming our financial condition or operating results. It may also subject us to litigation and Sergey Brin are criticalregulatory inquiries, which could result in monetary penalties and damages, divert management’s time and attention, and lead to the overall management of Alphabet and its subsidiaries, and they, along with Sundar Pichai, the Chief Executive Officer of Google, play an important role in the development of our technology. They also play a key role in maintaining our culture and setting our strategic direction. All of our executive officers and key employees are at-will employees, and we do not maintain any key-person life insurance policies. The loss of key personnel could seriously harm our business.
We rely on highly skilled personnel and, if we are unable to retain or motivate key personnel, hire qualified personnel, or maintain our corporate culture, we may not be able to grow effectively.
Our performance largely depends on the talents and efforts of highly skilled individuals. Our future success depends on our continuing ability to identify, hire, develop, motivate, and retain highly skilled personnel for all areas of our organization. Competition in our industry for qualified employees is intense, and certain of our competitors have directly targeted our employees. In addition, our compensation arrangements, such as our equity award programs, may not always be successful in attracting new employees and retaining and motivating our existing employees. Our continued ability to compete effectively depends on our ability to attract new employees and to retain and motivate our existing employees.
In addition, we believe that our corporate culture fosters innovation, creativity, and teamwork. As our organization grows, and we are required to implement more complex organizational management structures, particularly in light of our holding company structure, we may find it increasingly difficult to maintain the beneficial aspects of our corporate culture. This could negatively impact our future success.

enhanced regulatory oversight.
Our business depends on continued and unimpeded access to the Internet by us and our users. Internet access providers may be able to restrict, block, degrade, or charge for access to certain of our products and services, which could lead to additional expenses and the loss of users and advertisers.
Our products and services depend on the ability of our users to access the Internet, and certain of our products require significant bandwidth to work effectively. Currently, this access is provided by companies that have significant market power in the broadband and internet access marketplace, including incumbent telephone companies, cable companies, mobile communications companies, and government-owned service providers. Some of these providers have taken, or have stated that they may take measures including legal actions, that could degrade, disrupt, or increase the cost of user access to certain of our products by restricting or prohibiting the use of their infrastructure to support or facilitate our offerings, or by charging increased fees to us or our users to provide our offerings.offerings, or by providing our competitors preferential access. Some jurisdictions have adopted regulations prohibiting certain forms of discrimination by Internetinternet access providers, but there isproviders; however, substantial uncertainty exists in the United States and elsewhere regarding such protections. For example, in 2018 the United States Federal Communications Commission repealed net neutrality rules, which could permit internet access providers to restrict, block, degrade, or charge for access to certain of our products and services. In addition, in some jurisdictions, our products and services have been subject to government-initiated restrictions or blockages. Such interferenceCOVID-19 has also resulted in quarantines, shelter in place orders, and work from home directives, all of which have increased demands for internet access and may create access challenges. These could result in a loss of existing users, customers and advertisers, and goodwill, and increased costs, and could impair our ability to attract new users, customers and advertisers, thereby harming our revenuesbusiness.
Risks Related to Laws and growth.Regulations
NewWe face increased regulatory scrutiny as well as changes in regulatory conditions, laws and policies governing a wide range of topics that may negatively affect our business.
We and other companies in the technology industry face increased regulatory scrutiny, enforcement action, and other proceedings. For instance, the U.S. Department of Justice, joined by a number of state Attorneys General, filed an antitrust complaint against Google on October 20, 2020, alleging that Google violated U.S. antitrust laws relating to Search and Search advertising. Separately, on December 16, 2020, a number of state Attorneys General filed an antitrust complaint against Google in the United States District Court for the Eastern District of Texas, alleging that Google violated U.S. antitrust laws as well as state deceptive trade laws relating to its advertising technology. Various other regulatory agencies in the United States and around the world, including competition enforcers, consumer protection agencies, data protection authorities, grand juries, inter-agency consultative groups, and a range of other governmental bodies have and continue to review our products and services and their compliance with laws and regulations around the world. We continue to cooperate with these investigations. Various laws, regulations, investigations, enforcement lawsuits, and regulatory actions have in the past and may in the future result in substantial fines and penalties, injunctive relief, ongoing auditing and monitoring
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obligations, changes to our products and services, alterations to our business models and operations, and collateral litigation, all of which could harm our business, reputation, financial condition, and operating results.
Changes in international and local social, political, economic, tax, and regulatory conditions or in laws and policies governing a wide range of topics may increase our cost of doing business, limit our ability to pursue certain business models, offer products or services in certain jurisdictions, or cause us to change our business practices. We have in the past had to alter or withdraw certain products and services as a result of laws or regulations that made them unfeasible, and new laws or regulations, such as the News Media Bargaining Code drafted by the Australian Competition and Consumer Commission currently tabled in parliament, could result in our having to alter or withdraw products and services in the future. These additional costs of doing business, new limitations or changes to our business model or practices could harm our business, reputation, financial condition, and operating results.
A variety of new and existing technologieslaws and/or interpretations could block ads online, which would harm our business.
TechnologiesWe are subject to numerous U.S. and foreign laws and regulations covering a wide variety of subject matters. New laws and regulations (or new interpretations or applications of existing laws and regulations in a manner inconsistent with our practices) may make our products and services less useful, limit our ability to pursue certain business models or offer certain products and services, require us to incur substantial costs, expose us to civil or criminal liability, or cause us to change our business practices. These laws and regulations are evolving and involve matters central to our business, including, among others:
New competition laws and related regulations around the world, that can limit certain business practices, and in some cases, create the risk of significant penalties.
Privacy laws, such as the California Consumer Privacy Act of 2018 that came into effect in January of 2020 and the California Privacy Rights Act which will go into effect in 2023, both of which give new data privacy rights to California residents, and SB-327 in California, which regulates the security of data in connection with internet connected devices.
Data protection laws passed by many states within the U.S. and by certain countries regarding notification to data subjects and/or regulators when there is a security breach of personal data.
New laws further restricting the collection, processing and/or sharing of advertising-related data.
Copyright or similar laws around the world, including the EU Directive on Copyright in the Digital Single Market (EUCD) of April 17, 2019, which EU Member States must implement by June 7, 2021; and the News Media Bargaining Code drafted by the Australian Competition and Consumer Commission. These and similar laws that have been developedadopted or proposed introduce new constraining licensing regimes that enable userscould affect our ability to blockoperate. The EUCD and similar laws could increase the displayliability of ads altogethersome content-sharing services with respect to content uploaded by their users. Some of these laws, as well as follow-on administrative or judicial actions, have also created or may create a new property right in news publications that limits the ability of some online services to interact with or present such content. They may also impose compensation negotiations with news agencies and some providerspublishers for the use of such content, which may result in payment obligations that significantly exceed the value that such content provides to Google and its users.
Data localization laws, which generally mandate that certain types of data collected in a particular country be stored and/or processed within that country.
Various U.S. and international laws that govern the distribution of certain materials to children and regulate the ability of online services to collect information from minors.
Various laws with regard to content removal and disclosure obligations, such as the Network Enforcement Act in Germany, which may affect our businesses and operations and may subject us to significant fines if such laws are interpreted and applied in a manner inconsistent with our practices or when we may not proactively discover such content due to the scale of third-party content and the limitations of existing technologies. Other countries, including Singapore, Australia, and the United Kingdom, have integrated technologiesimplemented or are considering similar legislation imposing penalties for failure to remove certain types of content.
Various legislative, litigation, and regulatory activity regarding our Google Play billing policies and business model, which could result in monetary penalties, damages and/or prohibition.
In addition, the applicability and scope of these laws, as interpreted by the courts, remain uncertain and could harm our business. For example:
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We rely on statutory safe harbors, as set forth in the Digital Millennium Copyright Act and Section 230 of the Communications Decency Act in the United States and the E-Commerce Directive in Europe, against liability for various linking, caching, and hosting activities. Any legislation or court rulings affecting these safe harbors may adversely affect us. There are legislative proposals in both the US and EU that could potentially impairreduce our safe harbor protection.
Court decisions such as the core functionalityjudgment of third-party digital advertising. Mostthe Court of Justice of the European Union (CJEU) on May 13, 2014 on the ‘right to be forgotten,’ which allows individuals to demand that Google remove search results about them in certain instances, may limit the content we can show to our Google revenuesusers and impose significant operational burdens.
The introduction of new businesses, products, services, and technologies, our activities in certain jurisdictions, or other actions we take may subject us to additional laws and regulations. Our investment in a variety of new fields, such as healthcare and payment services, may expand the scope of regulations that apply to our business. The costs of compliance with these laws and regulations are derived from fees paidhigh and are likely to increase in the future. Any failure on our part to comply with laws and regulations can result in negative publicity and diversion of management time and effort and may subject us in connection with the display of ads online. As a result, such technologiesto significant liabilities and tools could adversely affect our operating results.other penalties.
We are exposedsubject to fluctuations in the market values ofclaims, suits, government investigations, and other proceedings that may harm our investments.
Given the global nature of our business, we have investments both domestically and internationally. Market values of these investments can be negatively impacted by liquidity, credit deterioration or losses, financial results, foreign exchange rates, changes in interest rates, or other factors. As a result, the value or liquidity of our cash equivalents and marketable securities could decline and result in a material impairment, which could materially adversely affect our financial condition, and operating results.
We couldare subject to claims, suits, and government investigations involving competition, intellectual property, data privacy and security, consumer protection, tax, labor and employment, commercial disputes, content generated by our users, goods and services offered by advertisers or publishers using our platforms, and other matters. Due to our manufacturing and sale of an expanded suite of products, including hardware as well as Google Cloud offerings, we also are subject to a variety of claims including product warranty, product liability, and consumer protection claims related to product defects, among other litigation. We may also be subject to changes in tax rates, the adoptionclaims involving health and safety, hazardous materials usage, other environmental impacts, or service disruptions or failures.
Any of new U.S. or international tax legislation, or exposure to additional tax liabilities.
Our future income taxes could be adversely affected by earnings being lower than anticipated in jurisdictions thatthese types of legal proceedings can have lower statutory tax rates and higher than anticipated in jurisdictions that have higher statutory tax rates, the net gains and losses recognized byan adverse effect on us because of legal entities on certain hedges and related hedged intercompanycosts, diversion of management resources, negative publicity and other transactions underfactors. Determining reserves for our foreign exchange risk management program, changespending litigation is a complex, fact-intensive process that requires significant judgment. The resolution of one or more such proceedings has resulted in, the valuation of our deferred tax assets or liabilities, or changes in tax laws, regulations, or accounting principles, as well as certain discrete items.
In addition, we are subject to regular review and audit by both domestic and foreign tax authorities. As a result, we have received, and may in the future receive, assessmentsresult in, multiple jurisdictions on various tax-related assertions, including transfer pricing adjustments or permanent establishment. Any adverse outcome of such a review or audit could have a negative effect on our operating results and financial condition. In addition, the determination of our worldwide provision for income taxesadditional substantial fines, penalties, injunctions, and other tax liabilities requires significant judgment,sanctions that could harm our business, financial condition, and there are many transactions and calculations where the ultimate tax determination is uncertain. Although we believe our estimates are reasonable, the ultimate tax outcome may differ from the amounts recorded in our financial statements and may materially affect our financial results in the period or periods for which such determination is made.operating results.
Furthermore, due to shifting economic and political conditions, tax policies, laws or rates in various jurisdictionsWe may be subject to legal liability associated with providing online services or content.
Our products and services let users exchange information, advertise products and services, conduct business, and engage in various online activities. We also place advertisements displayed on other companies’ websites, and we offer third-party products, services, and/or content. The law relating to the liability of online service providers for others’ activities on their services is still somewhat unsettled around the world. Claims have been brought against us for defamation, negligence, breaches of contract, copyright and trademark infringement, unfair competition, unlawful activity, torts, fraud, or other legal theories based on the nature and content of information available on or via our services.
We may be subject to claims by virtue of our involvement in hosting, transmitting, marketing, branding, or providing access to content created by third parties. Defense of any such actions could be costly and involve significant time and attention of our management and other resources, may result in monetary liabilities or penalties, and may require us to change our business in an adverse manner.
Privacy and data protection regulations are complex and rapidly evolving areas. Adverse interpretations of these laws could harm our business, reputation, financial condition, and operating results.
Authorities around the world have adopted and are considering a number of legislative and regulatory proposals concerning data protection and limits on encryption of user data. Adverse legal rulings, legislation, or regulation could result in fines and orders requiring that we change our data practices, which could materially affecthave an adverse effect on our financial positionability to provide services, harming our business operations. Complying with these evolving laws could result in substantial costs and resultsharm the quality of operations.our products and services, negatively affecting our business, and may be particularly challenging during certain times, such as a natural disaster or pandemic (including COVID-19).
Recent legal developments in Europe have created compliance uncertainty regarding transfers of personal data from Europe to the United States. For example, the General Data Protection Regulation (GDPR) applies to all of our activities conducted from an establishment in the EU or related to products and services that we offer to EU
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users or customers, or the monitoring of their behavior in the EU. The GDPR creates a range of new compliance obligations.
Ensuring compliance with the GDPR is an ongoing commitment that involves substantial costs, and despite our efforts, governmental authorities or others have asserted and may continue to assert that our business practices fail to comply with its requirements. If our operations are found to violate GDPR requirements, we may incur substantial fines, have to change our business practices, and face reputational harm, any of which could have an adverse effect on our business. In particular, serious breaches of the GDPR can result in administrative fines of up to 4% of annual worldwide revenues. Fines of up to 2% of annual worldwide revenues can be levied for other specified violations.
The ongoing effectsEU-U.S. and the Swiss-U.S. Privacy Shield frameworks allow U.S. companies that self-certify to the U.S. Department of Commerce and publicly commit to comply with specified requirements to import personal data from the EU and Switzerland. Recently, the CJEU ruled that the EU-U.S. Privacy Shield is an invalid transfer mechanism, but upheld Standard Contractual Clauses as a valid transfer mechanism, provided they meet certain requirements. The validity of data transfer mechanisms remains subject to legal, regulatory, and political developments in both Europe and the U.S., such as recent recommendations from the European Data Protection Board, the invalidation of the Tax ActEU-U.S. Privacy Shield and potential invalidation of other data transfer mechanisms, which could have a significant adverse impact on our ability to process and transfer personal data outside of the EEA.
These developments create some uncertainty, and compliance obligations could cause us to incur costs or harm the operations of our products and services in ways that harm our business.
We face, and may continue to face intellectual property and other claims that could be costly to defend, result in significant damage awards or other costs (including indemnification awards), and limit our ability to use certain technologies in the future.
We, like other internet, technology and media companies, are frequently subject to litigation based on allegations of infringement or other violations of intellectual property rights. In addition, patent-holding companies may frequently seek to generate income from patents they have obtained by bringing claims against us. As we have grown, the number of intellectual property claims against us has increased and may continue to increase as we develop new products, services, and technologies.
We have had patent, copyright, trade secret, and trademark infringement lawsuits filed against us claiming that certain of our products, services, and technologies infringe the intellectual property rights of others. Other parties have also sought broad injunctive relief against us by filing claims in U.S. and international courts and the refinement of provisional estimatesU.S. International Trade Commission (ITC) for exclusion and cease-and-desist orders, which could makelimit our results difficultability to predict.
Our effective tax rate may fluctuatesell our products or services in the futureU.S. or elsewhere if our products or services or those of our customers or suppliers are found to infringe the intellectual property subject to the claims. Adverse results in any of these lawsuits may include awards of monetary damages, costly royalty or licensing agreements (if licenses are available at all), or orders preventing us from offering certain features, functionalities, products, or services. They may also cause us to change our business practices and require development of non-infringing products, services, or technologies, which could result in a loss of revenues for us and otherwise harm our business.
Many of our agreements with our customers and partners, including certain suppliers, require us to defend against certain intellectual property infringement claims and in some cases indemnify them for certain intellectual property infringement claims against them, which could result in increased costs for defending such claims or significant damages if there were an adverse ruling in any such claims. Such customers and partners may also discontinue the use of our products, services, and technologies, as a result of the Tax Act,injunctions or otherwise, which was enacted on December 22, 2017. The Tax Act introduces significant changescould result in loss of revenues and adversely affect our business. Moreover, intellectual property indemnities provided to U.S. income tax law that willus by our suppliers, when obtainable, may not cover all damages and losses suffered by us and our customers arising from intellectual property infringement claims. Furthermore, in connection with our divestitures, we have a meaningful impact on our provision for income taxes. Accounting for the income tax effects of the Tax Act requires significant judgmentsagreed, and estimatesmay in the interpretationfuture agree, to provide indemnification for certain potential liabilities, including those associated with intellectual property claims.
Regardless of their merits, intellectual property claims are often time consuming and calculations ofexpensive to litigate or settle. To the provisions of the Tax Act.
Due to the timing of the enactmentextent such claims are successful, they may harm our business, including our product and the complexity involved in applying the provisions of the Tax Act, we made reasonable estimates of the effects and recorded provisional amounts in ourservice offerings, financial statements for the year ended December 31, 2017. The U.S. Treasury Department, the Internal Revenue Service (IRS), and other standard-setting bodies may issue guidance on how the provisions of the Tax Act will be appliedcondition, or otherwise administered that is

different from our interpretation. As we collect and prepare necessary data, and interpret the Tax Act and any additional guidance issued by the IRS or other standard-setting bodies, we may make adjustments to the provisional amounts that could materially affect our financial position and results of operations as well as our effective tax rate in the period in which the adjustments are made.operating results.
Risks Related to Ownership of Ourour Stock
The trading price for our Class A common stock and non-voting Class C capital stock may continue to be volatile.
The trading price of our stock has at times experienced substantial price volatility and may continue to be volatile. For example, from January 1, 2017 through December 31, 2017, the closing price of our Class A common stock ranged from $807.77 per share to $1,085.09 per share, and the closing price of our Class C capital stock ranged from $786.14 to $1,077.14 per share.
In addition to the factors discussed in this Annual Report on Form 10-K, the trading price of our Class A common stock and Class C capital stock may fluctuate widely in response to various factors, many of which are beyond our control, including, among others:
Quarterly variations in our results of operations or those of our competitors.
Announcements by us or our competitors of acquisitions, divestitures, investments, new products, significant contracts, commercial relationships, or capital commitments.
Recommendations by securities analysts or changes in earnings estimates.
Announcements about our earnings that are not in line with analyst expectations, the risk of which is enhanced because it is our policy not to give guidance on earnings.
Announcements by our competitors of their earnings that are not in line with analyst expectations.
Commentary by industry and market professionals about our products, strategies, and other matters affecting our business and results, regardless of its accuracy.
The volume of shares of Class A common stock and Class C capital stock available for public sale.
Sales of Class A common stock and Class C capital stock by us or by our stockholders (including sales by our directors, executive officers, and other employees).
Short sales, hedging, and other derivative transactions on shares of our Class A common stock and Class C capital stock.
The perceived values of Class A common stock and Class C capital stock relative to one another.
Our share repurchase program.
In addition, the stock market in general, which can be impacted by various factors, including overall economic and political conditions, and the market for technology companies in particular, have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of those companies. These broad market and industry factors may harm the market price of our Class A common stock and our Class C capital stock regardless of our actual operating performance.
We cannot guarantee that ourany share repurchase program will be fully consummated or that our share repurchase program will enhance long-term stockholder value, and share repurchases could increase the volatility of the price of our stock prices and could diminish our cash reserves.reserves.
In October 2016, our board of directors authorized our company to repurchase up to $7,019,340,976.83
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We engage in share repurchases of our Class C capital stock. In January 2018, our boardstock from time to time in accordance with authorizations from the Board of directors authorized the repurchaseDirectors of up to an additional$8,589,869,056 of our Class C capital stock. TheAlphabet. Our repurchase program does not have an expiration date. The share repurchase program, authorized by our board of directors,date and does not obligate Alphabet to repurchase any specific dollar amount or to acquire any specific number of shares. TheFurther, our share repurchase programrepurchases could affect the price of our stock andshare trading prices, increase their volatility, reduce our cash reserves and may be suspended or terminated at any time, which may result in a decrease in the trading priceprices of our stock.
The concentration of our stock ownership limits our stockholders’ ability to influence corporate matters.
Our Class B common stock has 10 votes per share, our Class A common stock has one vote per share, and our Class C capital stock has no voting rights. As of December 31, 2017,2020, Larry Page and Sergey and Eric E. SchmidtBrin beneficially owned approximately 92.7%approximately 85.3% of our outstanding Class B common stock, which represented approximately 56.7% of

approximately 51.5% of the voting power of our outstanding capitalcommon stock. Through their stock ownership, Larry Sergey, and Eric thereforeSergey have significant influence over management and affairs and over all matters requiring stockholder approval, including the election of directors and significant corporate transactions, such as a merger or other sale of our company or our assets, for the foreseeable future. In addition, because our Class C capital stock carries no voting rights (except as required by applicable law), the issuance of the Class C capital stock, including in future stock-based acquisition transactions and to fund employee equity incentive programs, could prolong the duration ofcontinue Larry and Sergey’s current relative ownership of our voting power and their ability to elect all of our directors and to determine the outcome of most matters submitted to a vote of our stockholders. Together with Eric, they would also continue to be able to control any required stockholder vote with respect to certain change in control transactions involving Alphabet (including an acquisition of Alphabet by another company).
This concentrated control limits or severely restricts ourother stockholders’ ability to influence corporate matters and as a result, we may take actions that some of our stockholders do not view as beneficial. As a result,beneficial, which could reduce the market price of our Class A common stock and our Class C capital stock could be adversely affected.stock.
Provisions in our charter documents and under Delaware law could discourage a takeover that stockholders may consider favorable.
Provisions in Alphabet’s certificate of incorporation and bylaws may have the effect of delaying or preventing a change of control or changes in our management. These provisions include the following:
Our certificate of incorporation provides for a tri-class capital stock structure. As a result of this structure, Larry Sergey, and EricSergey have significant influence over all matters requiring stockholder approval, including the election of directors and significant corporate transactions, such as a merger or other sale of our company or our assets. This concentrated control could discourage others from initiating any potential merger, takeover, or other change of control transaction that other stockholders may view as beneficial. As noted above, the issuance of the Class C capital stock could have the effect of prolongingcontinuing the influence of Larry Sergey, and Eric.Sergey.
Our boardBoard of directorsDirectors has the right to elect directors to fill a vacancy created by the expansion of the boardBoard of directorsDirectors or the resignation, death, or removal of a director, which prevents stockholders from being able to fill vacancies on our boardBoard of directors.Directors.
Our stockholders may not act by written consent. As a result, a holder, or holders, controlling a majority of our capital stock would not be able to take certain actions without holding a stockholders' meeting.
Our certificate of incorporation prohibits cumulative voting in the election of directors. This limits the ability of minority stockholders to elect director candidates.
Stockholders must provide advance notice to nominate individuals for election to the boardBoard of directorsDirectors or to propose matters that can be acted upon at a stockholders’ meeting. These provisions may discourage or deter a potential acquirer from conducting a solicitation of proxies to elect the acquirer's own slate of directors or otherwise attempting to obtain control of our company.
Our boardBoard of directorsDirectors may issue, without stockholder approval, shares of undesignated preferred stock. The ability to issue undesignated preferred stock makes it possible for our boardBoard of directorsDirectors to issue preferred stock with voting or other rights or preferences that could impede the success of any attempt to acquire us.
As a Delaware corporation, we are also subject to certain Delaware anti-takeover provisions. Under Delaware law, a corporation may not engage in a business combination with any holder of 15% or more of its outstanding voting stock unless the holder has held the stock for three years or, among other things, the boardBoard of directorsDirectors has approved the transaction. Our boardBoard of directorsDirectors could rely on Delaware law to prevent or delay an acquisition of us.
Risks Related to Our Holding Company Reorganization
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General Risks
The continuing impacts of COVID-19 are highly unpredictable and funds of its subsidiaries.
On October 2, 2015, we completed a reorganization pursuant to which Alphabet became a holding company with no business operations of its own. Alphabet’s onlycould be significant, assets are the outstanding equity interests in its subsidiaries, including Google. As a result, we rely on cash flows from subsidiaries to meet our obligations, including to service any debt obligations of Alphabet.
Weand may not obtain the anticipated benefits of our reorganization into a holding company structure.
We believe that our holding company reorganization and the current operating structure increases management scale and allows us to focus on running our diverse businesses independently with the goal of maximizing each business’ potential. The benefits of this reorganization may not be obtained if circumstances prevent us from taking

advantage of the strategic and business opportunities that we expect it may afford us. As a result, we may incur the costs of a holding company structure without realizing the benefits, which could adversely affect our reputation, financial condition, and operating results.
Alphabet’s management is dedicating significant effort to the Other Bets' operating structures and business operations. These efforts may divert management’s focus and resources from Alphabet’s overall business, corporate initiatives, or strategic opportunities, which could have an adverse effect on our business, operations and our future financial performance.
Since COVID-19 was declared a global pandemic by the World Health Organization, governments and municipalities around the world have instituted measures in an effort to control the spread of COVID-19, including quarantines, shelter-in-place orders, school closings, travel restrictions, and closure of non-essential businesses. The macroeconomic impacts on our business continue to evolve and be unpredictable and may continue to adversely affect our business, operations and financial performance. As a result of the scale of the ongoing pandemic and the speed at which the global community has been impacted, our revenue growth rate and expense as a percentage of our revenues in future periods may differ significantly from our historical rate, and our future operating results may fall below expectations.
The future impacts of the ongoing pandemic on our business, operations and future financial performance could include, but are not limited to:
Significant decline in advertising revenues as advertiser spending slows due to an economic downturn. This decline in advertising revenues could persist through and beyond a recessionary period. In addition, we may experience a significant and prolonged shift in user behavior such as a shift in interests to less commercial topics.
Significant decline in other revenues due to a decline or shifts in customer demand. For example, if consumer demand for electronics significantly declines, our hardware revenues could be significantly impacted.
Adverse impacts to our operating income, operating margin, net income, EPS and respective growth rates - particularly if expenses do not decrease across Alphabet at the same pace as revenue declines. Many of our expenses are less variable in nature and/or may not correlate to changes in revenues, including costs associated with our data centers and facilities as well as employee compensation. As such, we may not be able to decrease them significantly in the short-term, or we may choose not to significantly reduce them in an effort to remain focused on long-term outlook and investment opportunities.
Significant decline in our operating cash flows as a result of decreased advertiser spending and deterioration in the credit quality and liquidity of our customers, which could adversely affect our accounts receivable. Investing cash flows could decrease due to slowing spend on data center and facilities construction projects due to a slowing or stopping of construction or significant restrictions placed on construction.
The prolonged and broad-based shift to a remote working environment continues to create inherent productivity, connectivity, and oversight challenges and could affect our ability to enhance, develop and support existing products and services, detect and prevent spam and problematic content, hold product sales and marketing events, and generate new sales leads, among others. In addition, the changed environment under which we are operating could have an effect on our internal controls over financial reporting as well as our ability to meet a number of our compliance requirements in a timely or quality manner. Additional and/or extended, governmental lockdowns, restrictions or new regulations could significantly impact the ability of our employees and vendors to work productively. Governmental restrictions have been globally inconsistent and it remains unclear when a return to worksite locations or travel will be permitted or what restrictions will be in place in those environments. As we prepare to return our workforce in more locations back to the office in 2021, we may experience increased costs as we prepare our facilities for a safe return to work environment and experiment with hybrid work models, in addition to potential effects on our ability to compete effectively and maintain our corporate culture.
Our operating results may fluctuate, which makes our results difficult to predict and could cause our results to fall short of expectations.
Our operating results may fluctuate as a result of a number of factors, many outside of our control.
As a result, comparing our operating results (including our expenses as a percentage of our revenues) on a period-to-period basis may not be meaningful, and you should not rely on our past results as an indication of our future performance. Our operating results in future quarters may fall below expectations. Any of these events could cause our stock price to fall. Each of the risk factors listed under this Item 1A in addition to the following factors may affect our operating results:
Our ability to attract user and/or customer adoption of, and generate significant revenues from, new products, services, and technologies in which we have invested considerable time and resources.
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Our ability to monetize traffic on Google Search & other properties, YouTube and our Google Network Members' properties across various devices.
The amount and timing of operating costs and expenses and capital expenditures related to the maintenance and expansion of our businesses, operations, and infrastructure.
Our focus on long-term goals over short-term results.
The results of our acquisitions, divestitures, and our investments in risky projects, including new businesses, products, services, and technologies.
Our ability to keep our products and services operational at a reasonable cost and without service interruptions.
The seasonal fluctuations in internet usage, advertising spending, and underlying business trends such as traditional retail seasonality. Our rapid growth has tended to mask the cyclicality and seasonality of our business. As our growth rate has slowed, the cyclicality and seasonality in our business has become more pronounced and caused our operating results to fluctuate.
Geopolitical events, including trade disputes.
Changes in global business or macroeconomic conditions.
Acquisitions, joint ventures, investments, and divestitures could result in operating difficulties, dilution, and other consequences that may harm our business, financial condition, and operating results.
Acquisitions, joint ventures, investments and divestitures are important elements of our overall corporate strategy and use of capital, and these transactions could be material to our financial condition and operating results. We expect to continue to evaluate and enter into discussions regarding a wide array of such potential strategic transactions, which could create unforeseen operating difficulties and expenditures. Some of the areas where we face risks include:
Diversion of management time and focus from operating our business to challenges related to acquisitions and other strategic transactions.
Failure to successfully integrate and further develop the acquired business or technology.
Implementation or remediation of controls, procedures, and policies at the acquired company.
Integration of the acquired company’s accounting, human resource, and other administrative systems, and coordination of product, engineering, and sales and marketing functions.
Transition of operations, users, and customers onto our existing platforms.
Failure to obtain required approvals on a timely basis, if at all, from governmental authorities, or conditions placed upon approval that could, among other things, delay or prevent us from completing a transaction, or otherwise restrict our ability to realize the expected financial or strategic goals of a transaction.
In the case of foreign acquisitions, the need to integrate operations across different cultures and languages and to address the particular economic, currency, political, and regulatory risks associated with specific countries.
Cultural challenges associated with integrating employees from the acquired company into our organization, and retention of employees from the businesses we acquire.
Liability for activities of the acquired company before the acquisition, including patent and trademark infringement claims, data privacy and security issues, violations of laws, commercial disputes, tax liabilities, and other known and unknown liabilities.
Litigation or other claims in connection with the acquired company, including claims from terminated employees, customers, former stockholders, or other third parties.
Our failure to address these risks or other problems encountered in connection with our past or future acquisitions and other strategic transactions could cause us to fail to realize their anticipated benefits, incur unanticipated liabilities, and harm our business generally.
Our acquisitions and other strategic transactions could also result in dilutive issuances of our equity securities, the incurrence of debt, contingent liabilities, or amortization expenses, or impairment of goodwill and/or purchased long-lived assets, and restructuring charges, any of which could harm our financial condition or prospects. Additionally,operating results.
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Also, the anticipated benefits or value of our acquisitions and other strategic transactions may not materialize. In connection with our divestitures, we have agreed, and may in the future agree, to provide indemnification for certain potential liabilities, which may harm our financial condition or operating results.
If we were to lose the services of key personnel, we may not be able to execute our business strategy.
Our future success depends in large part upon the continued service of key members of our senior management team. For instance, Sundar Pichai is critical to the overall management of Alphabet and its subsidiaries and plays an important role in the development of our technology, maintaining our culture and setting our strategic direction. All of our executive officers and key employees are at-will employees, and we do not maintain any key-person life insurance policies. The loss of key personnel could seriously harm our business.
We rely on highly skilled personnel and, if we are unable to retain or motivate key personnel, hire qualified personnel, or maintain our corporate culture, we may not be able to grow effectively.
Our performance largely depends on the talents and efforts of highly skilled individuals. Our ability to compete effectively and our future success depends on our continuing to identify, hire, develop, motivate, and retain highly skilled personnel for all areas of our organization. Competition in our industry for qualified employees is intense, and certain of our competitors have directly targeted our employees. In addition, our compensation arrangements, such as our equity award programs, may not always be successful in attracting new employees and retaining and motivating our existing employees. Restrictive immigration policy and regulatory changes may also impact our ability to hire, mobilize or retain some of our global talent.
In addition, we believe that our corporate culture fosters innovation, creativity, and teamwork. As our organization grows and evolves, we may need to implement more complex organizational management structures or adapt our corporate culture and work environments to ever-changing circumstances, such as during times of a natural disaster or pandemic (including COVID-19), and these changes could impact our ability to compete effectively or have an adverse impact on our corporate culture.
We are exposed to fluctuations in the market values of our investments and, in some instances, our financial statements incorporate valuation methodologies that are subjective in nature resulting in fluctuations over time.
The market value of our investments can be negatively affected by liquidity, credit deterioration or losses, performance and financial results of the underlying entities, foreign exchange rates, changes in interest rates, including changes that may result from the implementation of new benchmark rates, the effect of new or changing regulations, the stock market in general, or other factors. The effect of COVID-19 on our impairment assessment for non-marketable investments requires significant judgment due to the uncertainty around the duration and severity of the impact.
We measure certain of our non-marketable equity and debt investments, certain other instruments including stock-based compensation awards settled in the stock of certain Other Bets, and certain assets and liabilities acquired in a business combination, at fair value on a nonrecurring basis. The determination of fair value involves use of appropriate valuation methods and certain unobservable inputs, require management judgment and estimation, and may change over time.
We adjust the carrying value of our non-marketable equity investments to fair value for observable transactions of identical or similar investments of the same issuer or for impairments. All gains and losses on non-marketable equity securities, realized and unrealized, are recognized in other income (expense), which increases the volatility of our other income (expense). The unrealized gains and losses we record on our non-marketable equity securities in any particular period may differ significantly from the realized gains or losses we ultimately experience on such investments.
As a result of these factors, the value or liquidity of our cash equivalents, as well as our marketable and non-marketable securities could decline and result in a material impairment, which could adversely affect our financial condition and operating results.
We could be subject to changes in tax rates, the adoption of new U.S. or international tax legislation, or exposure to additional tax liabilities.
Our future income taxes could be negatively affected by earnings being lower than anticipated in jurisdictions that have lower statutory tax rates and higher than anticipated in jurisdictions that have higher statutory tax rates, the net gains and losses recognized by legal entities on certain hedges and related hedged intercompany and other transactions under our foreign exchange risk management program, changes in the valuation of our deferred tax
23

Alphabet Inc.
assets or liabilities, the application of different provisions of tax laws or changes in tax laws, regulations, or accounting principles (including changes in the interpretation of existing laws), as well as certain discrete items.
In addition, we are subject to regular review and audit by both domestic and foreign tax authorities. As a result, we have received, and may in the future receive, assessments in multiple jurisdictions, including in Europe, on various tax-related assertions, such as transfer-pricing adjustments or permanent-establishment claims. Any adverse outcome of such a review or audit could have a negative effect on our operating results and financial condition and could require us to change our business practices in a manner adverse to our business. It may also subject us to additional litigation and regulatory inquiries, resulting in the diversion of management’s time and attention. In addition, the determination of our worldwide provision for income taxes and other tax liabilities requires significant judgment, and there are many transactions and calculations for which the ultimate tax determination is uncertain. Although we believe our estimates are reasonable, the ultimate tax outcome may differ from the amounts recorded in our financial statements and may affect our financial results in the period or periods for which such determination is made.
Furthermore, due to shifting economic and political conditions, tax policies, laws, or rates in various jurisdictions may be restrictedsubject to significant changes in ways that impair our financial results. Various jurisdictions around the world have enacted or are considering digital services taxes, which could lead to inconsistent and potentially overlapping international tax regimes. The Organization for Economic Cooperation and Development (OECD) recently released proposals relating to its initiative for modernizing international tax rules, with the goal of having different countries implement a modernized and aligned international tax framework, but there can be no guarantee that this will occur.
In addition, in response to significant market volatility and disruptions to business operations resulting from the global spread of COVID-19, legislatures and taxing authorities in many jurisdictions in which we operate may propose changes to their tax rules. These changes could include modifications that have temporary effect, and more permanent changes. The impact of these potential new rules on us, our long-term tax planning, and our effective tax rate could be material.
The trading price for our Class A common stock and non-voting Class C capital stock may continue to be volatile.
The trading price of our stock has at times experienced substantial price volatility and may continue to be volatile.
In addition to the factors discussed in this report, the trading price of our Class A common stock and Class C capital stock may fluctuate widely in response to various factors, many of which are beyond our control, including, among others announcements by us or our competitors of acquisitions, divestitures, investments, new products, significant contracts, commercial relationships, or capital commitments; recommendations by securities analysts or changes in their abilityearnings estimates; announcements about our or our competitors' earnings that are not in line with analyst expectations, the risk of which is enhanced, in our case, because it is our policy not to pay cash dividendsgive guidance on earnings; commentary by industry and market professionals about our products, strategies, and other matters affecting our business and results, regardless of its accuracy; the volume of shares of Class A common stock and Class C capital stock available for public sale; sales of Class A common stock and Class C capital stock by us or by our stockholders (including sales by our directors, executive officers, and other employees); short sales, hedging, and other derivative transactions on shares of our Class A common stock and Class C capital stock; the size, timing and share class of any share repurchase program; and the perceived values of Class A common stock and Class C capital stock relative to make other distributionsone another.
In addition, the stock market in general, which can be affected by various factors, including overall economic and political conditions, and the market for technology companies in particular, have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to Alphabet, as the new holding company.operating performance of those companies.
These broad market and industry factors may harm the market price of our Class A common stock and our Class C capital stock, regardless of our actual operating performance.
ITEM 1B.UNRESOLVED STAFF COMMENTS
Not applicable.
24

ITEM 1B.UNRESOLVED STAFF COMMENTSAlphabet Inc.
Not applicable.
ITEM 2.PROPERTIES
ITEM 2.PROPERTIES
Our headquarters are located in Mountain View, California. We also own and lease office and building space in the surrounding areas near our headquarters, which in the aggregate (including our headquarters) represent approximately 11.1 million square feet of office/building space and approximately forty-five acres of developable landwe believe is sufficient to accommodate anticipated future growth. In addition, we own and lease office/building space and research and development sites around the world, primarily in North America, Europe, South America, and Asia. We own and operate data centers in the U.S., Europe, South America, and Asia. We believe our existing facilities, both owned and leased, are in good condition and suitable for the conduct of our business.
ITEM 3.LEGAL PROCEEDINGS
ITEM 3.LEGAL PROCEEDINGS
For a description of our material pending legal proceedings, please see Legal Matters in Note 10 “Commitments and Contingencies - Legal Matters” of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K, which is incorporated herein by reference.
ITEM 4.MINE SAFETY DISCLOSURES
Not applicable.
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ITEM 4.MINE SAFETY DISCLOSURESAlphabet Inc.
Not applicable.

PART II
ITEM 5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
ITEM 5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
As of October 2, 2015, Alphabet Inc. became the successor issuer of Google Inc. pursuant to Rule 12g-3(a) under the Exchange Act.
Price Range of Common Stock and Capital Stock
Our Class A common stock has been listed on the Nasdaq Global Select Market under the symbol “GOOG” since August 19, 2004 and under the symbol "GOOGL" since April 3, 2014. Prior to August 19, 2004, there was no public market for our stock. The following table sets forth for the indicated periods the high and low sales prices per share for our Class A common stock on the Nasdaq Global Select Market.
Fiscal Year 2017 Quarters Ended:High Low
March 31, 2017$872.37
 $807.77
June 30, 2017$1,004.28
 $839.88
September 30, 2017$998.31
 $919.46
December 31, 2017$1,085.09
 $966.78
Fiscal Year 2016 Quarters Ended:High Low
March 31, 2016$780.91
 $701.02
June 30, 2016$787.68
 $681.14
September 30, 2016$815.95
 $704.89
December 31, 2016$835.74
 $753.22
Our Class B common stock is neither listed nor traded.
Our Class C capital stock has been listed on the Nasdaq Global Select Market under the symbol “GOOG” since April 3, 2014. The following table sets forth for the indicated periods the high and low sales prices per share for our Class C capital stock on the Nasdaq Global Select Market.
Fiscal Year 2017 Quarters Ended:High Low
March 31, 2017$852.12
 $786.14
June 30, 2017$983.68
 $823.35
September 30, 2017$980.34
 $898.70
December 31, 2017$1,077.14
 $951.68
Fiscal Year 2016 Quarters Ended:High Low
March 31, 2016$764.65
 $678.11
June 30, 2016$766.61
 $668.26
September 30, 2016$787.21
 $694.49
December 31, 2016$813.11
 $736.08
Holders of Record
As of December 31, 2017,2020, there were approximately 2,1004,337 and 2,1011,942 stockholders of record of our Class A common stock and Class C capital stock, respectively, and the closing prices of our Class A common stock and Class C capital stock were $1,053.40 and $1,046.40 per share, respectively, as reported by the NASDAQ Global Select Market.respectively. Because many of our shares of Class A common stock and Class C capital stock are held by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders represented by these record holders. As of December 31, 2017,2020, there were approximately 6264 stockholders of record of our Class B common stock.
Dividend Policy
We have never declared or paid any cash dividend on our common or capital stock. The primary use of capital continues to be to invest for the long term growth of the business. We intendregularly evaluate our cash and capital structure, including the size, pace and form of capital return to retain any future earnings and do not expect to pay any cash dividends in the foreseeable future.

stockholders.
Issuer Purchases of Equity Securities
The following table presents information with respect to Alphabet's repurchases of Class C capital stock during the quarter ended December 31, 2017:2020:
PeriodTotal Number of Shares Purchased
(in thousands) (1)
Average Price Paid per Share (2)Total Number of Shares Purchased as Part of Publicly Announced Programs
(in thousands) (1)
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program
(in millions)
October 1 - 311,869 $1,540.84 1,869 $22,667 
November 1 - 301,640 $1,748.65 1,640 $19,799 
December 1 - 311,205 $1,787.62 1,205 $17,645 
Total4,714 4,714 
(1)The repurchases are being executed from time to time, subject to general business and market conditions and other investment opportunities, through open market purchases or privately negotiated transactions, including through Rule 10b5-1 plans. The repurchase program does not have an expiration date. Please refer to Note 11 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for additional information related to share repurchases.
(2)Average price paid per share includes costs associated with the repurchases.
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Period 
Total Number of Shares Purchased
(in thousands)
(1)
 
Average Price Paid per Share (2)
 
Total Number of Shares Purchased as Part of Publicly Announced Programs
(in thousands)
(1)
 Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program
(in millions)
October 1 - 31 0
 $0.00
 0
 $4,274
November 1 - 30 1,231
 $1,028.78
 1,231
 $3,008
December 1 - 31 806
 $1,035.28
 806
 $2,173
Total 2,037
 $1,031.35
 2,037
  
In October 2016, the board of directors of Alphabet authorized the company to repurchase up to $7.0 billion of its Class C capital stock. The repurchases are being executed from time to time, subject to general business and market conditions and other investment opportunities, through open market purchases or privately negotiated transactions, including through Rule 10b5-1 plans. The repurchase program does not have an expiration date. See Note 11 in Part II, Item 8 of this Annual Report on Form 10-K for additional information related to share repurchases.Inc.
(2)
Average price paid per share includes costs associated with the repurchases.

Stock Performance Graphs
The following graph compares the 5-year cumulative total return to shareholders onbelow matches Alphabet Inc.’s Class AA's cumulative 5-Year total shareholder return on common stock relative towith the cumulative total returns of the S&P 500 index, the RDG InternetNASDAQ Composite index, and the NASDAQRDG Internet Composite index. AnThe graph tracks the performance of a $100 investment of $100 (with reinvestment of all dividends) is assumed to have been made in the company’s Class Aour common stock and in each index on(with the reinvestment of all dividends) from December 31, 2012 and its relative performance is tracked through2015 to December 31, 2017.2020. The returns shown are based on historical results and are not intended to suggest future performance.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*
ALPHABET INC. CLASS A COMMON STOCK
Among Alphabet Inc., the S&P 500 Index, the
NASDAQ Composite Index, and the RDG Internet Composite Index
goog-20201231_g1.jpg
*$100 invested on December 31, 20122015 in stock or index, including reinvestment of dividends. Fiscal year ending December 31.
Copyright© 2015 2020 S&P, a division of The McGraw-Hill Companies Inc. All rights reserved.

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Alphabet Inc.
The following graph compares the cumulative total return to shareholders onbelow matches Alphabet Inc.’s Class CC's cumulative 5-Year total shareholder return on capital stock relative towith the cumulative total returns of the S&P 500 index, the RDG InternetNASDAQ Composite index, and the NASDAQRDG Internet Composite index. AnThe graph tracks the performance of a $100 investment of $100 (with reinvestment of all dividends) is assumed to have been made in the company’sour Class C capital stock and in each index on April 3, 2014 and its relative performance is tracked through(with the reinvestment of all dividends) from December 31, 2017.2015 to December 31, 2020. The returns shown are based on historical results and are not intended to suggest future performance.

COMPARISON OF CUMULATIVE TOTAL RETURN*
ALPHABET INC. CLASS C CAPITAL STOCK
Among Alphabet Inc., the S&P 500 Index, the
NASDAQ Composite Index, and the RDG Internet Composite Index
goog-20201231_g2.jpg
*$100 invested on April 3, 2014December 31, 2015 in stock or in index, including reinvestment of dividends. Fiscal year ending December 31.
Copyright© 2015 2020 S&P, a division of The McGraw-Hill Companies Inc. All rights reserved.
These performance graphs shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or incorporated by reference into any filing of Alphabet under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

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Alphabet Inc.
ITEM 6.SELECTED FINANCIAL DATA
ITEM 6.SELECTED FINANCIAL DATA
The following selected consolidated financial data should be read in conjunction with Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and the related notes appearing in Item 8 “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K. The historical results are not necessarily indicative of the results to be expected in any future period.
 Year Ended December 31,
 20162017201820192020
 (in millions, except per share amounts)
Consolidated Statements of Income Data:
Revenues$90,272 $110,855 $136,819 $161,857 $182,527 
Income from operations$23,737 $26,178 $27,524 $34,231 $41,224 
Net income$19,478 $12,662 $30,736 $34,343 $40,269 
Basic net income per share of Class A and B common stock$28.32 $18.27 $44.22 $49.59 $59.15 
Basic net income per share of Class C capital stock$28.32 $18.27 $44.22 $49.59 $59.15 
Diluted net income per share of Class A and B common stock$27.85 $18.00 $43.70 $49.16 $58.61 
Diluted net income per share of Class C capital stock$27.85 $18.00 $43.70 $49.16 $58.61 

 As of December 31,
 20162017201820192020
 (in millions)
Consolidated Balance Sheet Data:
Cash, cash equivalents, and marketable securities$86,333 $101,871 $109,140 $119,675 $136,694 
Total assets$167,497 $197,295 $232,792 $275,909 $319,616 
Total long-term liabilities$11,705 $20,610 $20,544 $29,246 $40,238 
Total stockholders’ equity$139,036 $152,502 $177,628 $201,442 $222,544 

29
 Year Ended December 31,
 2013 2014 2015 2016 2017
 (in millions, except per share amounts)
Consolidated Statements of Income Data:
Revenues$55,519
 $66,001
 $74,989
 $90,272
 $110,855
Income from operations15,403
 16,496
 19,360
 23,716
 26,146
Net income from continuing operations13,160
 13,620
 16,348
 19,478
 12,662
Net income (loss) from discontinued operations(427) 516
 0
 0
 0
Net income12,733
 14,136
 16,348
 19,478
 12,662
          
Basic net income (loss) per share of Class A and B common stock:
Continuing operations$19.77
 $20.15
 $23.11
 $28.32
 $18.27
Discontinued operations(0.64) 0.76
 0.00
 0.00
 0.00
Basic net income per share of Class A and B common stock$19.13
 $20.91
 $23.11
 $28.32
 $18.27
          
Basic net income (loss) per share of Class C capital stock:
Continuing operations$19.77
 $20.15
 $24.63
 $28.32
 $18.27
Discontinued operations(0.64) 0.76
 0.00
 0.00
 0.00
Basic net income per share of Class C capital stock$19.13
 $20.91
 $24.63
 $28.32
 $18.27
          
Diluted net income (loss) per share of Class A and B common stock:
Continuing operations$19.42
 $19.82
 $22.84
 $27.85
 $18.00
Discontinued operations(0.63) 0.75
 0.00
 0.00
 0.00
Diluted net income per share of Class A and B common stock$18.79
 $20.57
 $22.84
 $27.85
 $18.00
          
Diluted net income (loss) per share of Class C capital stock:
Continuing operations$19.42
 $19.82
 $24.34
 $27.85
 $18.00
Discontinued operations(0.63) 0.75
 0.00
 0.00
 0.00
Diluted net income per share of Class C capital stock$18.79
 $20.57
 $24.34
 $27.85
 $18.00

 As of December 31,
 2013 2014 2015 2016 2017
 (in millions)
Consolidated Balance Sheet Data:
Cash, cash equivalents, and marketable securities$58,717
 $64,395
 $73,066
 $86,333
 $101,871
Total assets$109,050
 $129,187
 $147,461
 $167,497
 $197,295
Total long-term liabilities$6,165
 $8,548
 $7,820
 $11,705
 $20,610
Total stockholders’ equity$86,977
 $103,860
 $120,331
 $139,036
 $152,502
Alphabet Inc.

ITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
ITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
Please read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and related notes included under Part II, Item 8 of this Annual Report on Form 10-K.
We have omitted discussion of 2018 results where it would be redundant to the discussion previously included in Part II, Item 7 of our 2019 Annual Report on Form 10-K.
Trends in Our Business
The following long-term trends have contributed to the results of our consolidated operations, and we anticipate that they will continue to impactaffect our future results:
Users' behaviors and advertising continue to shift online as the digital economy evolves.
The continuing shift from an offline to online world has contributed to the growth of our business since inception, resulting in increasing revenues,contributing to revenue growth, and we expect that this online shift will continue to benefit our business.
Users are increasingly using diverse devices and modalities to access our products and services, and our advertising revenues are increasingly coming from new formats.
Our users are accessing the Internet via diverse devices and modalities, such as smartphones, wearables and smart home devices, and want to feel connected no matter where they are or what they are doing. We seek to expand our products and services to stay in front of these trends in order to maintain and grow our business.
We generate our advertising revenues increasingly from different channels, including mobile, and newer advertising formats, and the margins from the advertising revenues from these channels and newer products have generally been lower than those from traditional desktop search. Additionally, as the market for a particular device type or modality matures, our revenues may be affected. For example, growth in the global smartphone market has slowed due to various factors, including increased market saturation in developed countries, which can affect our mobile advertising revenue growth rates.
We expect TAC paid to our distribution partners and Google Network Members to increase as our revenues grow and to be affected by changes in device mix; geographic mix; partner mix; partner agreement terms; the percentage of queries channeled through paid access points; product mix; the relative revenue growth rates of advertising revenues from different channels; and revenue share terms.
We expect these trends to continue to affect our revenue growth rates and put pressure on our overall margins.
As online advertising evolves, we continue to expand our product offerings which may impactaffect our monetization.
As interactions between users and advertisers change and as online user behavior evolves, we continue to expand and evolve our product offerings to serve their changing needs. Over time, we expect our monetization trends to fluctuate. For example, we have seen an increase in YouTube engagementads and Google Play ads, which monetize at a lower rate than our traditional desktop search ads. Additionally, we continue to see a shift to programmatic buying which presents opportunities for advertisers to connect with the right user, in the right moment, in the right context. Programmatic buying has a different monetization profile than traditional advertising buying on Google properties.
Users are increasingly using multiple devices and modalities to access our products and services, and our advertising revenues are increasingly coming from mobile and other new formats.
Our users are accessing the Internet via multiple devices and modalities and want to feel connected no matter where they are or what they are doing. We seek to expand our products and services to stay in front of this shift in order to maintain and grow our business.
We generate our advertising revenues increasingly from mobile and newer advertising formats, and the margins from the advertising revenues from these sources have generally been lower than those from traditional desktop search. Accordingly, we expect TAC paid to our distribution partners to increase due to changes in device mix between mobile, desktop, and tablet, partner mix, partner agreement terms, and the percentage of queries channeled through paid access points. We expect these trends to continue to put pressure on our overall margins.
As users in developing economies increasingly come online, our revenues from international markets continue to increase and movements in foreign exchange rates impactaffect such revenues.
The shift to online, as well as the advent of the multi-device world, has brought opportunities outside of the U.S., including in emerging markets, andsuch as India, where we continue to invest heavily and develop localized versions of our products and relevant advertising programs useful to our users in these markets. This has led to a trend of increased revenues from international markets over time, and weas regions with emerging markets, such as APAC, have demonstrated higher revenue growth rates. We expect that our results will continue to be impactedaffected by our performance in these markets, particularly as low-cost mobile devices become more available. This trend could impact our margins as developing markets initially monetize at a lower rate than more mature markets.
Our international revenues represent a significant portion of our revenues and are subject to fluctuations in foreign currency exchange rates relative to the U.S. dollar. While we have a foreign exchange risk management program designed to reduce our exposure to these fluctuations, this program does not fully offset their effect on our revenues and earnings.
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Alphabet Inc.
The portion of our revenues that we derive from non-advertising revenues is increasing and may impactaffect margins.
Non-advertising revenues have grown over time. We expect this trend to continue as we focus on expanding our offerings to our users through products and services like Google Cloud, Google Play, hardware products, and YouTube subscriptions. Across these initiatives, we currently derive non-advertising revenues primarily from sales of apps, in-app purchases, digital content products, and hardware; and licensing and service fees, including fees received for Google Cloud offerings.services and subscription and other services. The margins on these non-advertising businessesrevenues vary significantly and may be lower than the margins on our advertising business.revenues. A number of our Other Bets initiatives are in their initial development stages, and as such, the sources of revenues from these businesses could change over time and the revenues could be volatile.

As we continue to look for new ways to serve our users and expand our businesses, we will invest heavily in R&Doperating and our capital expenditures will continue to fluctuate.expenditures.
We continue to make significant research and development (R&D)R&D investments in areas of strategic focus such as advertising, cloud, machine learning, and search, as well as in new products and services. The amount of our capital expenditures has fluctuated and mayIn addition, we expect to continue to fluctuateinvest in the long term as we invest heavily in our systems,land and buildings for data centers real estate and facilities,offices, and information technology infrastructure.assets, which includes servers and network equipment, to support the long-term growth of our business.
In addition, acquisitions remainand strategic investments are an important part of our strategy and use of capital, and we expectcontributing to continue to spend cash on acquisitions and other investments. These acquisitions generally enhance the breadth and depth of our offerings, as well as expandexpanding our expertise in engineering and other functional areas.areas, and building strong partnerships around strategic initiatives. For example, in 2020 we announced our Google for India Digitization Fund to invest approximately $10 billion into India over the next 5-7 years through a mix of equity investments, partnerships, and operational, infrastructure and ecosystem investments.
We face continuing changes in regulatory conditions, laws and public policies, which could impact our business practices and financial results.
Changes in social, political, economic, tax, and regulatory conditions or in laws and policies governing a wide range of topics and related legal matters have resulted in fines and caused us to change our business practices. As these global trends continue, for example the recent antitrust complaints filed by the U.S. Department of Justice and a number of state Attorneys General as well as the News Media Bargaining Code drafted by the Australian Competition and Consumer Commission, our cost of doing business may increase and our ability to pursue certain business models or offer certain products or services may be limited.
Our employees are critical to our success and we expect to continue investing in them.
Our employees are among our best assets and are critical for our continued success. Their energy and talent drive Alphabet and create our success. We expect to continue hiring talented employees around the globe and to provide competitive compensation programs to our employees.
The Impact of COVID-19 on our Results and Operations
In late 2019, an outbreak of COVID-19 emerged and by March 11, 2020 was declared a global pandemic by the World Health Organization. Across the United States and the world, governments and municipalities instituted measures in an effort to control the spread of COVID-19, including quarantines, shelter-in-place orders, school closings, travel restrictions and the closure of non-essential businesses. The macroeconomic impacts of COVID-19 are significant and continue to evolve, as exhibited by, among other things, a rise in unemployment, changes in consumer behavior, and market volatility.
We began to observe the impact of COVID-19 and the related reductions in global economic activity on our financial results in March 2020 when, despite an increase in users' search activity, our advertising revenues declined compared to the prior year due to a shift of user search activity to less commercial topics and reduced spending by our advertisers. During the course of the quarter ended June 30, 2020, we observed a gradual return in user search activity to more commercial topics, followed by increased spending by our advertisers that continued throughout the second half of 2020.
We continue to assess the realized and potential credit deterioration of our customers due to changes in the macroeconomic environment, which has been reflected in our allowance for credit losses for accounts receivable. Additionally, over the course of the year we experienced variability in our margins as many of our expenses are less variable in nature and/or may not correlate to changes in revenues, including costs associated with our data centers and facilities as well as employee compensation. Also, market volatility has contributed to fluctuations in the valuation of our equity investments.
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Alphabet Inc.
While we continued to make investments in land and buildings for data centers, offices and information technology, in 2020 we slowed the pace of our investments, primarily as it relates to office facilities, as a result of COVID-19.
The ongoing impact of COVID-19 on our business continues to evolve and be unpredictable. For example, to the extent the pandemic disrupts economic activity globally we, like other businesses, are not immune to continued adverse impacts to our business, operations and financial results from volatility in advertising spending, changes in user behavior and preferences, credit deterioration and liquidity of our customers, depressed economic activity, or volatility in capital markets. The ongoing impact will depend on a number of factors, including the duration and severity of the pandemic; the uneven impact to certain industries; advances in testing, treatment and prevention including vaccines; and the macroeconomic impact of government measures to contain the spread of the virus and related government stimulus measures.
To address the potential impact to our business, over the near-term, we continue to evaluate the pace of our investment plans, including, but not limited to, our hiring, investments in data centers, servers, network equipment, real estate and facilities, marketing and travel spending, as well as taking certain measures to support our customers, our overall workforce, and communities we operate in. As we look to return our workforce in more locations back to the office in 2021, we may experience increased costs as we prepare our facilities for a safe return to work environment and experiment with hybrid work models. At the same time, we believe the current environment is accelerating digital transformation and we remain focused on innovating and investing in the services we offer to consumers and businesses. For example, as it relates to Google Cloud, we continue to invest aggressively around the globe in our go-to-market capabilities, product development and technical infrastructure to support long term growth. The ongoing impact of COVID-19 and the extent of these measures we have taken and the additional measures that we may implement could have a material impact on our financial results. Our past results may not be indicative of our future performance, and historical trends in our financial results may differ materially.
Executive Overview of Results
Below areThe following table summarizes our keyconsolidated financial results for the fiscal yearyears ended December 31, 2017 (consolidated unless otherwise noted):2019 and 2020 (in millions, except for per share information and percentages).
Revenues
Year Ended December 31,
20192020
Revenues$161,857 $182,527 
Increase in revenues year over year18 %13 %
Increase in constant currency revenues year over year20 %14 %
Operating income(1)
$34,231 $41,224 
Operating margin(1)
21 %23 %
Other income (expense), net$5,394 $6,858 
Net Income(1)
$34,343 $40,269 
Diluted EPS(1)
$49.16 $58.61 
(1)Results for 2019 include the effect of $110.9the $1.7 billion and revenue growthEC fine. See Note 10 of 23%the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further information.
Total revenues were $182.5 billion, an increase of 13% year over year, constant currency revenue growthprimarily driven by an increase in Google Services segment revenues of $16.8 billion or 11% and an increase in Google Cloud segment revenues of $4.1 billion or 46%. Revenues from the United States, EMEA, APAC, and Other Americas were $85.0 billion, $55.4 billion, $32.6 billion, and $9.4 billion, respectively.
Total cost of revenues was $84.7 billion, an increase of 18% year over year. TAC was $32.8 billion, an increase of 9% year over year, primarily driven by an increase in revenues subject to TAC. Other cost of revenues were $51.9 billion, an increase of 24% year over year.year, primarily driven by an increase in data centers and other operations costs and content acquisition costs.
Google segment revenues
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Alphabet Inc.
Operating expenses were $56.6 billion, an increase of $109.7 billion with revenue growth of 23%5% year over year primarily driven by headcount growth and partially offset by declines in advertising and promotional expenses and travel and entertainment expenses.
Other Bets revenues of $1.2 billion with revenue growth of 49% year over year.information:
Revenues from the United States, EMEA, APAC, and Other Americas were $52.4 billion, $36.0 billion, $16.2 billion, and $6.1 billion, respectively.
Cost of revenues was $45.6 billion, consisting of TAC of $21.7 billion and other cost of revenues of $23.9 billion. Our TAC as a percentage of advertising revenues was 23%.
Operating expenses (excluding cost of revenues) were $39.1 billion.
Income from operations was $26.1 billion.
Effective tax rate was 53%.
Net income was $12.7 billion with diluted net income per share of $18.00.
Operating cash flow was $37.1$65.1 billion.
Capital expenditures, which primarily included investments in technical infrastructure, were $13.2$22.3 billion.
Number of employees was 80,110135,301 as of December 31, 2017.2020. The majority of new hires during the year were engineers and product managers.
Information aboutOur Segments
We operateBeginning in the fourth quarter of 2020, we report our business in multiple operating segments.segment results as Google is our only reportable segment. None of our other segments meet the quantitative thresholds to qualify as reportable segments; therefore, the other operating segments are combinedServices, Google Cloud, and disclosed below as Other Bets.Bets:
Our reported segments are:
Google – GoogleServices includes our main products and services such as Ads,ads, Android, Chrome, Commerce, Google Cloud,hardware, Google Maps, Google Play, Hardware, Search, and YouTube. Our technical infrastructure and some newer efforts like virtual reality are also included in Google. Google Services generates revenues primarily from advertising; sales of apps, in-app purchases, digital content products, and hardware; and licensingfees received for subscription-based products such as YouTube Premium and service fees, includingYouTube TV.
Google Cloud includes Google’s infrastructure and data analytics platforms, collaboration tools, and other services for enterprise customers. Google Cloud generates revenues primarily from fees received for Google Cloud offerings.
Platform ("GCP") services and Google Workspace (formerly known as G Suite) collaboration tools.
Other Bets – Other Bets is a combination of multiple operating segments that are not individually material. Other Bets includes businesses such as Access, Calico, CapitalG, GV, Nest, Verily, Waymo, and X. Revenues from the Other Bets are derived primarily through the salessale of internet and TV services through Fiber, sales of Nest products and services, andas well as licensing and R&D services through Verily.
services.
Please referUnallocated corporate costs primarily include corporate initiatives, corporate shared costs, such as finance and legal, including fines and settlements, as well as costs associated with certain shared research and development activities. Additionally, hedging gains (losses) related to Note 15 of the Notes to Consolidated Financial Statementsrevenue are included in Part II of this Annual Report on Form 10-K for further information.corporate costs.

Financial Results
Revenues
The following table presents our revenues by segment and revenue sourcetype (in millions):.
 Year Ended December 31,
 2015 2016 2017
Google segment     
Google properties revenues$52,357
 $63,785
 $77,788
Google Network Members' properties revenues15,033
 15,598
 17,587
Google advertising revenues67,390
 79,383
 95,375
Google other revenues7,154
 10,080
 14,277
Google segment revenues$74,544
 $89,463
 $109,652
      
Other Bets     
Other Bets revenues$445
 $809
 $1,203
      
Revenues$74,989
 $90,272
 $110,855
Year Ended December 31,
20192020
Google Search & other$98,115 $104,062 
YouTube ads15,149 19,772 
Google Network Members' properties21,547 23,090 
Google advertising134,811 146,924 
Google other17,014 21,711 
Google Services total151,825 168,635 
Google Cloud8,918 13,059 
Other Bets659 657 
Hedging gains (losses)455 176 
Total revenues$161,857 $182,527 
Google segmentServices
The following table presents our Google segment revenues (in millions), and changes in our aggregate paid clicks and cost-per-click (expressed as a percentage):
 Year Ended December 31,
 2015 2016 2017
Google segment revenues$74,544
 $89,463
 $109,652
Google segment revenues as a percentage of total revenues99.4% 99.1 % 98.9 %
Aggregate paid clicks change  34 % 46 %
Aggregate cost-per-click change  (11)% (19)%
Use of Monetization Metrics
When assessing our advertising revenues performance, we present information regarding the percentage change in the number of paid clicks and cost-per-click for our Google properties and Google Network Members' properties. Management views these as important metrics for understanding our business.
Paid clicks for our Google properties represent engagement by users and include clicks on advertisements by end-users related to searches on Google.com, clicks related to advertisements on other owned and operated properties including Gmail, Google Maps, and Google Play, and viewed YouTube engagement ads. Paid clicks for our Google Network Members' properties include clicks by end-users related to advertisements served on Google Network Members' properties participating in AdMob, AdSense for Content, and AdSense for Search. In some cases, such as programmatic and reservation based advertising buying, we primarily charge advertisers by impression; while growing, this represents a small part of our consolidated revenues base.
Cost-per-click is defined as click-driven revenues divided by our total number of paid clicks and represents the average amount we charge advertisers for each engagement by users.
We periodically review, refine and update our methodologies for monitoring, gathering, and counting the number of paid clicks and for identifying the revenues generated by click activity.

In the first quarter of 2017, we refined our methodology for paid clicks and cost-per-click to include additional categories of TrueView engagement ads and exclude non-engagement based trial ad formats. This change resulted in a modest increase in growth of paid clicks and a modest decrease in growth of cost-per-click. For comparison purposes, we have included updated data for historical periods in the table below:
 Three Months Ended Year Ended
 Mar 31, 2016 Jun 30, 2016 Sep 30, 2016 Dec 31, 2016 Dec 31, 2016
Year-over-year change         
Aggregate paid clicks29 % 28 % 32 % 39 % 34 %
Paid clicks on Google properties38 % 36 % 41 % 47 % 43 %
Paid clicks on Google Network Members' properties2 % 0 % 1 % 7 % 3 %
          
Aggregate cost-per-click(8)% (6)% (10)% (17)% (11)%
Cost-per-click on Google properties(11)% (8)% (12)% (18)% (13)%
Cost-per-click on Google Network Members' properties(8)% (8)% (14)% (19)% (13)%
          
Quarter-over-quarter change         
Aggregate paid clicks(2)% 7 % 9 % 22 % N/A
Paid clicks on Google properties(3)% 9 % 11 % 25 % N/A
Paid clicks on Google Network Members' properties4 % (3)% 1 % 6 % N/A
          
Aggregate cost-per-click(1)% (1)% (5)% (10)% N/A
Cost-per-click on Google properties1 % (2)% (6)% (12)% N/A
Cost-per-click on Google Network Members' properties(12)% (2)% (6)% 0 % N/A
Our advertising revenue growth, as well as the change in paid clicks and cost-per-click on Google Search & other properties and the change in impressions and cost-per-impression on Google Network Members' properties and the correlation between these items, have fluctuatedbeen affected and may continue to fluctuate because ofbe affected by various factors, including:
advertiser competition for keywords;
changes in advertising quality, formats, delivery or formats;policy;
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Alphabet Inc.
changes in device mix;
changes in foreign currency exchange rates;
fees advertisers are willing to pay based on how they manage their advertising costs;
general economic conditions;conditions including the impact of COVID-19;
growth rates of revenues from Google properties, including YouTube, compared to growth rates of revenues from Google Network Members' properties;seasonality; and
seasonality;
shift in the proportion of non-click based revenues generated on Google properties and Google Network Members' properties, including an increase in programmatic and reservation based advertising buying; and
traffic growth in emerging markets compared to more mature markets and across various advertising verticals and channels.
Our advertising revenue growth rate has fluctuatedbeen affected over time as a result of a number of factors, including challenges in maintaining our growth rate as revenues increase to higher levels,levels; changes in our product mix,mix; changes in advertising quality or formats and delivery; the evolution of the online advertising market; increasing competition, query growth rates,competition; our investments in new business strategies,strategies; query growth rates; and shifts in the geographic mix of our revenues, and the evolution of the online advertising market.revenues. We also expect that our revenue growth rate will continue to be affected by evolving user preferences, the acceptance by users of our products and services as they are delivered on diverse devices and modalities, our ability to create a seamless experience for both users and advertisers, and movements in foreign currency exchange rates.

Google properties
The following table presents our Google properties revenues (in millions), and changes in our paid clicks and cost-per-click (expressed as a percentage):
 Year Ended December 31,
 2015 2016 2017
Google properties revenues$52,357
 $63,785
 $77,788
Google properties revenues as a percentage of Google segment revenues70.2% 71.3 % 70.9 %
Paid clicks change  43 % 54 %
Cost-per-click change  (13)% (21)%
Google propertiesadvertising revenues consist primarily of advertisingthe following:
Google Search & other consists of revenues that are generated on:
on Google search properties which includes(including revenues from traffic generated by search distribution partners who use Google.com as their default search in browsers, toolbars, etc.;) and
Other other Google owned and operated properties like Gmail, Google Maps, and Google Play,Play;
YouTube ads consists of revenues generated on YouTube properties; and YouTube.
Our Google Network Members' properties consist of revenues generated on Google Network Members' properties participating in AdMob, AdSense, and Google Ad Manager.
Google Search & other
Google Search & other revenues increased $14,003$5,947 million from 20162019 to 2017.2020. The overall growth was primarily driven by interrelated factors including increases in mobile search queries resulting from ongoing growth in user adoption and usage, as well as continuedprimarily on mobile devices, growth in advertiser activity. We also experienced growthspending primarily in YouTube driven primarily by video advertising, as well as growth in desktop search due to improvements in ad formats and delivery. The growth was partially offset by the general strengtheningsecond half of the U.S. dollar compared to certain foreign currencies.
The number of paid clicks through our advertising programs on Google properties increased from 2016 to 2017 due to growth in YouTube engagement ads, increases in mobile search queries,year, and improvements we have made in ad formats and delivery. This increase was partially offset by a decline in advertiser spending primarily in the first half of the year driven by the impact of COVID-19.
YouTube ads
YouTube ads revenues increased $4,623 million from 2019 to 2020. Growth was primarily driven by our direct response advertising products, which benefited from improvements to ad formats and delivery and increased advertiser spending. Brand advertising products also contributed to growth despite revenues being adversely impacted by a decline in advertiser spending primarily in the first half of the year driven by the impact of COVID-19.
Google Network Members' properties
Google Network Members' properties revenues increased $1,543 million from 2019 to 2020. The growth was primarily driven by strength in AdMob and Google Ad Manager.
Use of Monetization Metrics
Paid clicks for our Google Search & other properties represent engagement by users and include clicks on advertisements by end-users on Google search properties and other owned and operated properties including Gmail, Google Maps, and Google Play. Historically, we included certain viewed YouTube engagement ads and the related revenues in our paid clicks and cost-per-click monetization metrics. Over time, advertising on YouTube has expanded to multiple advertising formats and the type of viewed engagement ads historically included in paid clicks and cost-per-click metrics have increasingly covered a smaller portion of YouTube advertising revenues. As a result, we removed these ads and the related revenues from the paid clicks and cost-per-click metrics for the current and historical periods presented. The revised metrics provide a better understanding of monetization trends on the properties included within Google Search & other, as they now more closely correlate with the related changes in revenues.
Impressions for our Google Network Members' properties include impressions displayed to users served on Google Network Members' properties participating primarily in AdMob, AdSense and Google Ad Manager.
Cost-per-click is defined as click-driven revenues divided by our total number of paid clicks and represents the average amount we charge advertisers for each engagement by users.
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Cost-per-impression is defined as impression-based and click-based revenues divided by our total number of impressions and represents the average amount we charge advertisers for each impression displayed to users.
As our business evolves, we periodically review, refine and update our methodologies for monitoring, gathering, and counting the number of paid clicks on our Google Search & other properties and the number of impressions on Google Network Members’ properties and for identifying the revenues generated by click activity on our Google Search & other properties and the revenues generated by impression activity on Google Network Members’ properties.
Paid clicks and cost-per-click
The following table presents changes in our paid clicks and cost-per-click (expressed as a percentage):
 Year Ended December 31,
 20192020
Paid clicks change23 %19 %
Cost-per-click change(6)%(10)%
Paid clicks increased from 2019 to 2020 primarily due to an increase in clicks due to interrelated factors, resulting from ongoing growth in user adoption and usage, primarily on mobile devices; continued global expansion of our products, advertisersgrowth in advertiser activity; and user base.improvements we have made in ad formats and delivery. Growth was also driven by an increase in clicks relating to ads on Google Play. The positive impacteffect on our revenues from an increase in paid clicks was partially offset by a decrease in the cost-per-click paid by our advertisers from 2016 to 2017.advertisers. The decrease in cost-per-click was primarily driven by continued growthreduced advertiser spending in YouTube engagement ads whereresponse to COVID-19 primarily during the first half of the year. The decrease in cost-per-click remains lower than on our other advertising platforms. Cost-per-click was also impactedaffected by changes in device mix, geographic mix, ongoing product changes, product mix, property mix, and fluctuations of the U.S. dollar compared to certain foreign currencies.
Our Google properties revenuesPaid clicks increased $11,428 million from 20152018 to 2016 and also increased as a percentage of Google segment revenues. The growth was2019 primarily driven by increases in mobile search most notably due to ongoing improvementsan increase in ad formats and delivery launched during 2016. We also experiencedclicks due to interrelated factors, including an increase in search queries resulting from ongoing growth in YouTube revenue drivenuser adoption and usage, primarily by video advertising across TrueView with a growing contribution from ad buying on DoubleClick Bid Manager, as well as improvements in ad formats and delivery. The growth was partially offset by the general strengthening of the U.S. dollar compared to certain foreign currencies.
The number of paid clicks through our advertising programs on Google properties increased from 2015 to 2016 due tomobile devices; continued growth in the adoption of YouTube engagement ads,advertiser activity; and improvements we have made in ad formats and delivery, and continued global expansion of our products, advertisers, and user base across all platforms, particularly mobile.delivery. Growth was also driven by an increase in clicks relating to ads on Google Play. The positive impact on our revenues from paid clicks was partially offset by a decrease in the cost-per-click paid by our advertisers. The decrease in cost-per-click was primarily driven by continued growth in YouTube engagement ads where cost-per-click remains lower than on our other advertising platforms, and also impacted by changes in device mix, property mix, product mix, geographic mix, ongoing product changes, and the general strengthening of the U.S. dollar compared to certain foreign currencies.
Google Network Members' properties
The following table presents our Google Network Members' properties revenues (in millions) and changes in our paid clicks and cost-per-click (expressed as a percentage):
 Year Ended December 31,
 2015 2016 2017
Google Network Members' properties revenues$15,033
 $15,598
 $17,587
Google Network Members' properties revenues as a percentage of Google segment revenues20.2% 17.4 % 16.0 %
Paid clicks change  3 % 10 %
Cost-per-click change  (13)% (9)%

Google Network Members' properties revenues consist primarily of advertising revenues generated from ads placed on Google Network Member properties through:
AdMob;
AdSense (such as AdSense for Content, AdSense for Search, etc.); and
DoubleClick AdExchange.
Our Google Network Members' properties revenues increased $1,989 million from 2016 to 2017. The growth was primarily driven by strength in both programmatic advertising buying and AdMob, offset by a decline in our traditional AdSense businesses and the general strengthening of the U.S. dollar compared to certain foreign currencies.
The increase in paid clicks from 2016 to 2017 resulted primarily from growth in AdMob and an increase from our traditional AdSense for Search business. The positive impacteffect on our revenues from an increase in paid clicks was partially offset by a decrease in the cost-per-click paid by our advertisers. The changesdecrease in cost-per-click from 2016 to 2017 was impacteddriven by changes in device mix, geographic mix, ongoing product and policy changes, product mix, property mix, and fluctuations of the U.S. dollar compared to certain foreign currencies.
OurImpressions and cost-per-impression
The following table presents changes in our impressions and cost-per-impression (expressed as a percentage):
Year Ended December 31,
2020
Impressions change15 %
Cost-per-impression change(8)%
Impressions increased from 2019 to 2020 primarily due to growth in Google Network Members' propertiesAd Manager. The positive effect on our revenues increased $565 million from 2015 to 2016. The growthan increase in impressions was primarily driven by strength in programmatic advertising buying as well as strength in AdMob,partially offset by a decline in our traditional AdSense business and the general strengthening of the U.S. dollar compared to certain foreign currencies.
The increase in paid clicks from 2015 to 2016 resulted from the growth in AdMob offset by declines in AdSense. The decrease in cost-per-clickthe cost-per-impression paid by our advertisers from 2015which was driven by a reduction in advertiser spending in response to 2016 resulted from changes inCOVID-19, primarily during the product mixfirst half of Google Network Members advertising revenues,the year, as well as the effect of a combination of factors including ongoing product and policy changes and improvements we have made in ad formats and delivery, changes in property and device mix, geographic mix, product mix, property mix, and relative fluctuations of the U.S. dollar compared to certain foreign currencies.
Google other revenues
The following table presents our Google other revenues (in millions):
 Year Ended December 31,
 2015 2016 2017
Google other revenues$7,154
 $10,080
 $14,277
Google other revenues as a percentage of Google segment revenues9.6% 11.3% 13.0%
Google other revenues consist primarily of revenues from:
Apps,Google Play, which includes revenues from sales of apps and in-app purchases and digital content in the Google Play store;
Google Cloud offerings; and
Hardware.
Our Google other revenues increased $4,197 million from 2016 to 2017. The increase was primarily driven by revenues from Google Cloud offerings, hardware sales, and revenues from Google Play, largely relating to in-app purchases (revenues which(which we recognize net of payout to developers). and digital content sold in the Google Play store;
Our hardware, including Google Nest home products, Pixelbooks, Pixel phones and other devices;
YouTube non-advertising, including YouTube Premium and YouTube TV subscriptions and other services; and
other products and services.
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Google other revenues increased $2,926$4,697 million from 20152019 to 2016 and increased as a percentage of Google segment revenues. These increases were primarily due tothe2020. The growth in revenues from Google Play, primarily relating to in-app purchases (revenues which we recognize net of payout to developers), hardware sales, and Google Cloud offerings.
Other Bets
The following table presents our Other Bets revenues (in millions):
 Year Ended December 31,
 2015 2016 2017
Other Bets revenues$445
 $809
 $1,203
Other Bets revenues as a percentage of total revenues0.6% 0.9% 1.1%
Other Bets revenues consist primarily of revenues and sales from:
Internet and TV services;
Licensing and R&D services; and
Nest branded hardware.

Our Other Bets revenues increased $394 million from 2016 to 2017. The increase was primarily driven by revenues from sales of Nest branded hardware, Fiber internetGoogle Play and TV services, and Verily licensing and R&D services.
Our Other Bets revenues increased $364 million from 2015 to 2016 and increased as a percentage of consolidated revenues. These increases wereYouTube non-advertising. Growth for Google Play was primarily driven by sales of Nest branded hardwareapps and revenuesin-app purchases, which benefited from Fiber internet and TV services. Thereelevated user engagement partially due to the impact of COVID-19. Growth for YouTube non-advertising was alsoprimarily driven by an increase in revenues fromVerily licensing and R&D services from 2015 to 2016.paid subscribers.
Due to the early stage ofOver time, our Other Bets businesses and because their revenues aggregate a number of businesses operating in different industries, our Other Betsgrowth rate for Google other revenues may fluctuatebe affected by the seasonality associated with new product and service launches as well as market dynamics.
Google Cloud
Our Google Cloud revenues increased $4,141 million from 2019 to 2020. The growth was primarily driven by GCP followed by our Google Workspace offerings. Our infrastructure and our data and analytics platform products were the largest drivers of growth in future periods. Additionally,GCP.
Over time, our Other Betsgrowth rate for Google Cloud revenues may fluctuate due to one-time items.be affected by customer usage, market dynamics, as well as new product and service launches.
Revenues by Geography
The following table presents our revenues by geography as a percentage of revenues, determined based on the billing addresses of our customers:
Year Ended December 31, Year Ended December 31,
2015 2016 2017 20192020
United States46% 47% 47%United States46 %47 %
EMEA35% 34% 33%EMEA31 %30 %
APAC14% 14% 15%APAC17 %18 %
Other Americas5% 5% 5%Other Americas%%
For the amounts offurther details on revenues by geography, please refer tosee Note 2 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.
Use of Constant Currency Revenues and Constant Currency Revenue GrowthPercentage Change
The impacteffect of currency exchange rates on our business is an important factor in understanding period to period comparisons. Our international revenues are favorably impactedaffected as the U.S. dollar weakens relative to other foreign currencies, and unfavorably impactedaffected as the U.S. dollar strengthens relative to other foreign currencies. Our international revenues are also favorably impactedaffected by net hedging gains and unfavorably impactedaffected by net hedging losses.
We use non-GAAP constant currency revenues and non-GAAP percentage change in constant currency revenue growthrevenues for financial and operational decision-making and as a means to evaluate period-to-period comparisons. We believe the presentation of results on a constant currency basis in addition to GAAPU.S. Generally Accepted Accounting Principles ("GAAP") results helps improve the ability to understand our performance because they exclude the effects of foreign currency volatility that are not indicative of our core operating results.
Constant currency information compares results between periods as if exchange rates had remained constant period over period. We define constant currency revenues as total revenues excluding the impacteffect of foreign exchange rate movements and hedging activities, and use it to determine the constant currency revenue growthpercentage change on a year-on-year basis. Constant currency revenues are calculated by translating current period revenues using prior period exchange rates, as well as excluding any hedging impactseffects realized in the current period.
Constant currency revenue growth (expressed as a percentage)percentage change is calculated by determining the increasechange in current period revenues over prior period revenues where current period foreign currency revenues are translated using prior period exchange rates and hedging impactseffects are excluded from revenues of both periods.
These results should be considered in addition to, not as a substitute for, results reported in accordance with GAAP. Results on a constant currency basis, as we present them, may not be comparable to similarly titled measures used by other companies and are not a measure of performance presented in accordance with GAAP.

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The following table presents ourthe foreign exchange impacteffect on our international revenues and total revenues (in millions)millions, except percentages):
 Year Ended December 31,
20192020
EMEA revenues$50,645 $55,370 
Exclude foreign exchange effect on current period revenues using prior year rates2,397 (111)
EMEA constant currency revenues$53,042 $55,259 
Prior period EMEA revenues$44,739 $50,645 
EMEA revenue percentage change13 %%
EMEA constant currency revenue percentage change19 %%
APAC revenues$26,928 $32,550 
Exclude foreign exchange effect on current period revenues using prior year rates388 11 
APAC constant currency revenues$27,316 $32,561 
Prior period APAC revenues$21,341 $26,928 
APAC revenue percentage change26 %21 %
APAC constant currency revenue percentage change28 %21 %
Other Americas revenues$8,986 $9,417 
Exclude foreign exchange effect on current period revenues using prior year rates541 964 
Other Americas constant currency revenues$9,527 $10,381 
Prior period Other Americas revenues$7,608 $8,986 
Other Americas revenue percentage change18 %%
Other Americas constant currency revenue percentage change25 %16 %
United States revenues$74,843 $85,014 
United States revenue percentage change18 %14 %
Hedging gains (losses)455 176 
Total revenues$161,857 $182,527 
Total constant currency revenues$164,728 $183,215 
Prior period revenues, excluding hedging effect(1)
$136,957 $161,402 
Total revenue percentage change18 %13 %
Total constant currency revenue percentage change20 %14 %
 Twelve Months Ended
 December 31,
 2015 2016 2017
EMEA revenues$26,368
 $30,304
 $36,046
Exclude foreign exchange impact on current period revenues using prior year rates3,802
 1,291
 (5)
Exclude hedging impact recognized in current period(989) (479) 190
EMEA constant currency revenues$29,181
 $31,116
 $36,231
Prior period EMEA revenues, excluding hedging impact$24,497
 $25,379
 $29,825
EMEA revenue growth  15% 19%
EMEA constant currency revenue growth  23% 21%
      
APAC revenues$9,887
 $12,559
 $16,235
Exclude foreign exchange impact on current period revenues using prior year rates1,076
 (362) 26
Exclude hedging impact recognized in current period(323) (31) (43)
APAC constant currency revenues$10,640
 $12,166
 $16,218
Prior period APAC revenues, excluding hedging impact$8,169
 $9,564
 $12,528
APAC revenue growth  27% 29%
APAC constant currency revenue growth  27% 29%
      
Other Americas revenues$3,924
 $4,628
 $6,125
Exclude foreign exchange impact on current period revenues using prior year rates712
 344
 (148)
Exclude hedging impact recognized in current period(88) (29) 22
Other Americas constant currency revenues$4,548
 $4,943
 $5,999
Prior period Other Americas revenues, excluding hedging impact$3,681
 $3,836
 $4,599
Other Americas revenue growth  18% 32%
Other Americas constant currency revenue growth  29% 30%
      
United States revenues$34,810
 $42,781
 $52,449
United States revenue growth  23% 23%
      
Total revenues$74,989
 $90,272
 $110,855
Total constant currency revenues$79,179
 $91,006
 $110,897
Total revenue growth  20% 23%
Total constant currency revenue growth  24% 24%
(1)    Total revenues and hedging gains (losses) for the year ended December 31, 2018 were $136,819 million and $(138) million, respectively.
Our EMEA revenuesrevenue percentage change from 20162019 to 2017 were unfavorably impacted, primarily as a result of an unfavorable impact from hedging losses, slightly offset2020 was not significantly affected by a favorable impact from foreign currency exchange rates. The foreign exchange impact wasrates, primarily due to the U.S. dollar weakening relative to the Euro and Russian ruble, partially offset by the impact of the U.S. dollar strengthening relative to the British poundTurkish lira and Turkish lira.Russian ruble.
Our EMEA revenuesAPAC revenue percentage change from 20152019 to 2016 were unfavorably impacted, primarily as a result of an unfavorable impact from2020 was not significantly affected by foreign currency exchange rates, offset by a favorable impact from hedging benefits. The foreign exchange impact wasprimarily due to the U.S. dollar strengthening relative to the British pound, Euro, and Russian ruble.
Our revenues from APAC from 2016 to 2017 were relatively flat, primarily as a result of a favorable impact from hedging benefits,Indian rupee, partially offset by an unfavorable impactthe U.S. dollar weakening relative to the Japanese yen.
Other Americas revenue percentage change from 2019 to 2020 was unfavorably affected by changes in foreign currency exchange rates. The foreign exchange impact

wasrates, primarily due to the U.S. dollar strengthening relative to the Japanese yen, partially offset by the impact of the U.S. dollar weakening relative to the Australian dollar, Indian rupee, South Korean won, and Taiwanese dollar.
Our revenues from APAC from 2015 to 2016 were relatively flat, primarily as a result of slight favorable impacts from foreign currency exchange rates and hedging benefits. The foreign exchange impact was due to the U.S. dollar weakening relative to the Japanese yen, partially offset by the impact of the U.S. dollar strengthening relative to the Indian rupee and Australian dollar.
Our revenues from Other Americas from 2016 to 2017 were favorably impacted, primarily as a result of a favorable impact from foreign currency exchange rates, slightly offset by an unfavorable impact from hedging losses. The foreign exchange impact was due to the U.S. dollar weakening relative to the Brazilian real and Canadian dollar, partially offset by the impact of the U.S. dollar strengthening relative to the Argentine peso.
Our revenues from Other Americas from 2015 to 2016 were unfavorably impacted, primarily as a result of an unfavorable impact from foreign currency exchange rates, slightly offset by a favorable impact from hedging benefits. The foreign exchange impact was due to the U.S. dollar strengthening relative to certain currencies including the Argentine peso, Canadian dollar, Brazilian real, and the Mexican peso.
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Alphabet Inc.
Costs and Operating Expenses
Cost of Revenues
Cost of revenues consists ofincludes TAC which are paid to Google Network Members primarily for ads displayed on their properties and amounts paid to our distribution partners who make available our search access points and services.services, and amounts paid to Google Network Members primarily for ads displayed on their properties. Our distribution partners include browser providers, mobile carriers, original equipment manufacturers, and software developers.
The cost of revenues related toas a percentage of revenues generated from ads placed on Google Network Members' properties are significantly higher than the costscost of revenues related toas a percentage of revenues generated from ads placed on Google properties (which includes Google Search & other and YouTube ads), because most of the advertiser revenues from ads served on Google Network Members’ properties are paid as TAC to our Google Network Members.
Additionally, other cost of revenues (which is the cost of revenues excluding TAC) includes the following:
Amortization of certain intangible assets;
Content acquisition costs primarily related to payments to content providers from whom we license video and other content for distribution on YouTube advertising and subscription services and Google Play (we pay fees to these content providers based on revenues generated or a flat fee);
Credit card and other transaction fees related to processing customer transactions;
Expenses associated with our data center and other operationscenters (including bandwidth, compensation expenses (including SBC)including stock-based compensation ("SBC"), depreciation, energy, and other equipment costs); as well as other operations costs (such as content review and customer support costs). These costs are generally less variable in nature and may not correlate with related changes in revenues; and
Inventory related costs for hardware we sell.

The following tables present our cost of revenues, including TAC (in millions)millions, except percentages):
 Year Ended December 31,
 20192020
TAC$30,089 $32,778 
Other cost of revenues41,807 51,954 
Total cost of revenues$71,896 $84,732 
Total cost of revenues as a percentage of revenues44.4 %46.4 %
 Year Ended December 31,
 2015 2016 2017
TAC$14,343
 $16,793
 $21,672
Other cost of revenues13,821
 18,345
 23,911
Total cost of revenues$28,164
 $35,138
 $45,583
Total cost of revenues as a percentage of revenues37.6% 38.9% 41.1%
      
 Year Ended December 31,
 2015 2016 2017
TAC to distribution partners$4,101
 $5,894
 $9,031
TAC to distribution partners as a percentage of Google properties revenues(1) (Google properties TAC rate)
7.8% 9.2% 11.6%
      
TAC to Google Network Members$10,242
 $10,899
 $12,641
TAC to Google Network Members as a percentage of Google Network Members' properties revenues(1) (Network Members TAC rate)
68.1% 69.9% 71.9%
      
TAC$14,343
 $16,793
 $21,672
TAC as a percentage of advertising revenues(1) (Aggregate TAC rate)
21.3% 21.2% 22.7%
(1)
Revenues include hedging gains(losses) which impact TAC rates.
Cost of revenues increased $10,445$12,836 million from 20162019 to 2017.2020. The increase was due to an increaseincreases in other cost of revenues and TAC of $4,879 million. The increase in TAC to distribution partners was a result of an increase in Google properties revenues$10,147 million and the associated TAC rate. The increase in TAC to Google Network Members was a result of an increase in Google Network Members' properties revenues and the associated TAC rate.$2,689 million, respectively.
The increase in the Google properties TAC rate was driven by changes in partner agreements and the ongoing shift to mobile, which carries higher TAC because more mobile searches are channeled through paid access points. The increase in the Network Members TAC rate was driven by the continued underlying shift in advertising buying from our traditional network business to programmatic advertising buying. The increase in the aggregate TAC rate was also partially offset by a favorable revenue mix shift from Google Network Members' properties to Google properties.
Otherother cost of revenues increased $5,566 million from 20162019 to 2017. The increase2020 was due to various factors, including an increase in data center and other operations costs which include depreciation, compensation expenses (including SBC), energy, bandwidth, and other equipment costs as a result of business growth; hardware costs associated with new hardware launches; andan increase in content acquisition costs asprimarily for YouTube. This increase was partially offset by a result of increased activities related to YouTube.
Cost of revenues increased $6,974 million from 2015 to 2016 due to various factors including traffic acquisition costs, data center costs, content acquisition costs, anddecline in hardware costs.
The increase in traffic acquisition costs of $2,450 millionTAC from 2019 to 2020 was due to increases in advertising revenues primarily from the growth of mobile searchTAC paid to distribution partners and programmatic ad buying which carry higher TAC. The increase in other cost of revenues of $4,524 million was primarily due to increases in (1) data center costs including depreciation, labor, energy, bandwidth, and other equipment costs as a result of business growth, (2) content acquisition costs as a result of increased activities related to YouTube, (3) hardware costs associated with new hardware launches, and (4) stock-based compensation.
The aggregate TAC rate remained relatively flat from 2015 to 2016 primarily as a result of a shift of mix from Google Network Members' properties revenue to Google properties revenue. Our aggregate TAC rate was also impacted by the increase in mobile and programmatic advertising buying, which generally carry overall higher TAC. The increase in Google properties TAC rate was primarilyMembers, driven by a shift to mobile and more mobile searches aregrowth in revenues subject to TAC. The increase in Network Members' TAC rate was primarily driven by22.3% in both 2019 and 2020. The TAC rate on Google properties revenues and the shift in advertising buyingTAC rate on Google Network revenues were both substantially consistent from our traditional network business2019 to programmatic advertising buying.2020.

We expectOver time, cost of revenues to increase in dollar amount and as a percentage of total revenues in future periods based onmay be affected by a number of factors, including the following:
Google Network MembersThe amount of TAC rates,paid to distribution partners, which are affected by the continued underlying shift in advertising buying from our traditional network business to programmatic advertising buying which carries higher TAC;
Google properties TAC rates, which areis affected by changes in device mix, between mobile, desktop, and tablet,geographic mix, partner mix, partner agreement terms such as revenue share arrangements, and the percentage of queries channeled through paid access points;
Growth ratesThe amount of expenses associated with our data centerTAC paid to Google Network Members, which is affected by a combination of factors such as geographic mix, product mix, and other operations, content acquisition costs, as well as our hardware inventory and related costs;revenue share terms;
Increased proportion of non-advertising revenues, whose costs are generally higher in relation to our advertising revenues;
Relative revenue growth rates of Google properties and our Google Network Members' properties.properties;
Certain costs that are less variable in nature and may not correlate with the related revenues;
Costs associated with our data centers and other operations to support ads, Google Cloud, Search, YouTube and other products;
Content acquisition costs, which are primarily affected by the relative growth rates in our YouTube advertising and subscription revenues;
Costs related to hardware sales; and
Increased proportion of non-advertising revenues, which generally have higher costs of revenues, relative to our advertising revenues.
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Alphabet Inc.
Research and Development
The following table presents our R&D expenses (in millions)millions, except percentages):
Year Ended December 31, Year Ended December 31,
2015 2016 2017 20192020
Research and development expenses$12,282
 $13,948
 $16,625
Research and development expenses$26,018 $27,573 
Research and development expenses as a percentage of revenues16.4% 15.5% 15.0%Research and development expenses as a percentage of revenues16.1 %15.1 %
R&D expenses consist primarily of:
Compensation expenses including SBC,(including SBC) for engineering and facilities-related costs fortechnical employees responsible for R&D of our existing and new products and services;
Depreciation expenses;
Equipment-related expenses; and
DepreciationProfessional services fees primarily related to consulting and equipment-related expenses.outsourcing services.
R&D expenses increased $2,677$1,555 million from 20162019 to 2017.2020. The increase was primarily due to an increase in compensation expenses of $1,619 million, largely resulting from a 11% increase in headcount and partially offset by higher compensation charges in certain Other Bets in 2019. Additionally, the increase in R&D expenses was partially offset by a decrease in travel and entertainment expenses of $383 million.
Over time, R&D expenses as a percentage of revenues may fluctuate due to certain expenses that are generally less variable in nature and may not correlate to the changes in revenues. In addition, R&D expenses may be affected by a number of factors including SBC,continued investment in ads, Android, Chrome, Google Cloud, Google Play, hardware, machine learning, Other Bets, Search and facilities-related costsYouTube.
Sales and Marketing
The following table presents our sales and marketing expenses (in millions, except percentages):
 Year Ended December 31,
 20192020
Sales and marketing expenses$18,464 $17,946 
Sales and marketing expenses as a percentage of revenues11.4 %9.8 %
Sales and marketing expenses consist primarily of:
Advertising and promotional expenditures related to our products and services; and
Compensation expenses (including SBC) for employees engaged in sales and marketing, sales support, and certain customer service functions.
Sales and marketing expenses decreased $518 million from 2019 to 2020. The decrease was primarily due to a decrease in advertising and promotional expenses of $1,886$1,395 million, as we reduced spending and paused or rescheduled campaigns and changed some events to digital-only formats as a result of COVID-19, and a decrease in travel and entertainment expenses of $371 million. The decrease was partially offset by an increase in compensation expenses of $1,347 million, largely resulting from an 8% increase in headcount.
Over time, sales and marketing expenses as a percentage of revenues may fluctuate due to certain expenses that are generally less variable in nature and may not correlate to the changes in revenues. In addition, sales and marketing expenses may be affected by a number of factors including the seasonality associated with new product and service launches and strategic decisions regarding the timing and extent of our spending.
General and Administrative
The following table presents our general and administrative expenses (in millions, except percentages):
 Year Ended December 31,
 20192020
General and administrative expenses$9,551 $11,052 
General and administrative expenses as a percentage of revenues5.9 %6.1 %
General and administrative expenses consist primarily of:
Compensation expenses (including SBC) for employees in our finance, human resources, information technology, and legal organizations;
Depreciation;
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Alphabet Inc.
Equipment-related expenses;
Legal-related expenses; and
Professional services fees primarily related to audit, information technology consulting, outside legal, and outsourcing services.
General and administrative expenses increased $1,501 million from 2019 to 2020. The increase was primarily due to an increase in compensation expenses of $887 million, largely resulting from a 16% increase in headcount. In addition, there was an increase in depreciation and equipment-related expenses of $569 million.
R&D expenses increased $1,666$440 million from 2015related to 2016.allowance for credit losses for accounts receivable. The increase was primarily due to an increase in stock-based compensation expense of $667 million and an increase in labor and facilities-related costs of $326 million, both largely as a result of a 16% increase in R&D headcount, partially offset by highera $554 million charge recognized in 2019 relating to a legal settlement.
Over time, general and administrative expenses resulting from project milestones in Other Bets in 2015. In addition, there was an increase in depreciation and equipment-related expenses of approximately $388 million and an increase in professional services of $267 million due to additional expenses incurred for consulting, outsourced services, and temporary services.
We expect that R&D expenses will increase in dollar amount and may fluctuate as a percentage of revenues in future periods.
Sales and Marketing
The following table presents our sales and marketing expenses (in millions):
 Year Ended December 31,
 2015 2016 2017
Sales and marketing expenses$9,047
 $10,485
 $12,893
Sales and marketing expenses as a percentage of revenues12.1% 11.6% 11.6%
Sales and marketing expenses consist primarily of:
Advertising and promotional expenditures related to our products and services; and
Compensation expenses, including SBC, and facilities-related costs for employees engaged in sales and marketing, sales support, and certain customer service functions.
Sales and marketing expenses increased $2,408 million from 2016 to 2017. The increase was primarilymay fluctuate due to an increasecertain expenses that are generally less variable in advertising and promotional expenses of $1,266 million, largely resulting from increases in marketing and promotion-related expenses for our hardware products, Cloud offerings, and YouTube. In addition, there was an increase in compensation expenses, including SBC, and facilities-related costs of $853 million, largely resulting from a 6% increase in headcount.

Sales and marketing expenses increased $1,438 million from 2015 to 2016. The increase was primarily due to an increase in advertising and promotional expenses of $679 million, largely due to increases in marketing and promotion-related expenses for our hardware products. Additionally, there was an increase in labor and facilities-related costs of $482 million, and stock-based compensation expense of $179 million, both largely resulting from a 10% increase in sales and marketing headcount.
We expect that sales and marketing expenses will increase in dollar amountnature and may fluctuatenot correlate to the changes in revenues, the effect of discrete items such as a percentage of revenues in future periods.
General and Administrative
The following table presents our general and administrative expenses (in millions):
 Year Ended December 31,
 2015 2016 2017
General and administrative expenses$6,136
 $6,985
 $6,872
General and administrative expenses as a percentage of revenues8.2% 7.7% 6.2%
General and administrative expenses consist primarily of:
Amortization of certain intangible assets;
Compensation expenses, including SBC, and facilities-related costslegal settlements, or allowances for employees in our facilities, finance, human resources, information technology, and legal organizations;
Depreciation and equipment-related expenses; and
Professional services fees primarily related to audit, information technology consulting, outside legal, and outsourcing services.
General and administrative expenses decreased $113 million from 2016 to 2017. The decrease was primarily from reduced allocations to general and administrative expenses with an offsetting increase to costs of revenues and other operating expenses. The decrease was partially offset by an increase in compensation expenses, including SBC, and facilities-related costs of $271 million, largely resulting from a 9% increase in headcount. Additionally, there was an increase in professional service fees of $253 million due to additional expenses incurredcredit losses for outsourced services and consulting services.
General and administrative expenses increased $849 million from 2015 to 2016. The increase was primarily due to increases in labor and facilities-related costs of $460 million, and stock-based compensation expense of $421 million, both largely resulting from a 15% increase in general and administrative headcount, as well as increases in other miscellaneous expenses. These increases were offset by a decrease in professional service fees of $194 million due to lower legal-related costs.
We expect general and administrative expenses will increase in dollar amount and may fluctuate as a percentage of revenues in future periods.accounts receivable.
European Commission FineFines
In June 2017,March 2019, the EC announced its decision that certain actions taken bycontractual provisions in agreements that Google regarding its display and ranking of shopping search results and adshad with AdSense for Search partners infringed European competition law. The EC decision imposed a €2.42€1.5 billion (approximately $2.74 ($1.7 billion as of June 27, 2017)March 20, 2019) fine, which was accrued in the secondfirst quarter of 2017.2019.
Please refer to Note 10 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further information.
Segment Profitability
The following table presents our segment operating income (loss) (in millions). For comparative purposes, amounts in prior periods have been recast.
Year Ended December 31,
201820192020
Operating income (loss):
Google Services$43,137 $48,999 $54,606 
Google Cloud(4,348)(4,645)(5,607)
Other Bets(3,358)(4,824)(4,476)
Corporate costs, unallocated(1)
(7,907)(5,299)(3,299)
Total income from operations$27,524 $34,231 $41,224 
(1)    Corporate costs, unallocated includes a fine of $5.1 billion for the year ended December 31, 2018 and a fine and legal settlement totaling $2.3 billion for the year ended December 31, 2019.
Google Services
Google services operating income increased $5,607 million from 2019 to 2020. The increase was primarily driven by an increase in revenues partially offset by increases in content acquisition costs primarily for YouTube, data center and other operations costs, and TAC. Additionally, there was an increase in operating expenses primarily driven by an increase in compensation expenses (including SBC) largely due to increases in headcount. Operating income benefited from a decline in hardware costs.
Google services operating income increased $5,862 million from 2018 to 2019. The increase was primarily driven by an increase in revenues partially offset by increases in TAC, data center and other operations costs, and content acquisition costs primarily for YouTube. Additionally, there was an increase in operating expenses primarily driven by an increase in compensation expenses (including SBC) largely due to an increase in headcount.
Google Cloud
Google Cloud operating loss increased $962 million from 2019 to 2020 and increased $297 million from 2018 to 2019. The increase in operating loss in both periods was driven by an increase in total expenses of $5,103 million from 2019 to 2020 and $3,377 million from 2018 to 2019. Operating expenses increased primarily due to compensation expenses (including SBC), largely driven by an increase in headcount. Additionally, data center and other operating costs increased in both periods.
Other Bets
Other Bets operating loss decreased $348 million from 2019 to 2020 and increased $1,466 million from 2018 to 2019. The fluctuations were primarily driven by compensation expenses (including SBC).
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Alphabet Inc.
Other Income (Expense), Net
The following table presents other income (expense), net, (in millions):
 Year Ended December 31,
 2015 2016 2017
Other income (expense), net$291
 $434
 $1,047
Other income (expense), net, as a percentage of revenues0.4% 0.5% 0.9%
 Year Ended December 31,
 20192020
Other income (expense), net$5,394 $6,858 
Other income (expense), net, increased $613$1,464 million from 20162019 to 2017. This increase was primarily driven by reduced costs of our foreign currency hedging activities, decreased losses on marketable securities and an increase in interest income.

Other income (expense), net, increased $143 million from 2015 to 2016. This increase2020. The change was primarily driven by an increase in interest incomenet gains on equity and decreased losses on non-marketable investments,debt securities of $3,519 million, partially offset by increased lossesa $902 million loss resulting from our foreign currency transactionsequity derivatives, which hedged the changes in fair value of certain marketable equity securities, and impairments for certain assets.a decrease in interest income of $562 million.
The costs of our foreign exchange hedging activities recognized inOver time, other income (expense), net, are primarilymay be affected by market dynamics and other factors. Equity values generally change daily for marketable equity securities and upon the occurrence of observable price changes or upon impairment of non-marketable equity securities. In addition, volatility in the global economic climate and financial markets, including the effects of COVID-19, could result in a functionsignificant change in the value of our investments. Fluctuations in the value of these investments has, and we expect will continue to, contribute to volatility of OI&E in future periods. For additional information about our investments, see Note 1 and Note 3 of the notional amountNotes to Consolidated Financial Statements included in Part II, Item 8 of the option and forward contracts and their related duration, the movement of foreign exchange rates relative to the contract prices, the volatility of foreign exchange rates and forward points. The hedging costs expensed in other income (expense), net, decreased as a result of less option premiums paid after we began to use foreign currency forward contracts to hedge our forecasted revenues in the fourth quarter of 2016.this Annual Report on Form 10-K.
We expect that other income (expense), net, will fluctuate in dollar amount in future periods as it is largely driven by market dynamics.
Provision for Income Taxes
The following table presents our provision for income taxes (in millions) andmillions, except for effective tax rate:rate):
Year Ended December 31, Year Ended December 31,
2015 2016 2017 20192020
Provision for income taxes$3,303
 $4,672
 $14,531
Provision for income taxes$5,282 $7,813 
Effective tax rate16.8% 19.3% 53.4%Effective tax rate13.3 %16.2 %
Our provision for income taxes and our effective tax rate increased from 20162019 to 2017,2020. The increase in the provision for income taxes and our effective tax rate is primarily due to benefits related to the Tax Actresolution of multi-year audits in 2019 that was enacteddid not recur in 2020, higher earnings in countries that have higher statutory rates resulting from the change in our corporate legal entity structure implemented as of December 2017. Please refer31, 2019, and an increase in valuation allowance for net deferred tax assets that are not likely to be realized relating to certain of our Other Bets, partially offset by an increase in the U.S. federal Foreign-Derived Intangible Income tax deduction benefits.
See Note 14 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further information.
Our provision for income taxes andWe expect our effective tax rate increased from 2015 to 2016, largely due to proportionately more earnings generated in jurisdictions that have higher statutory tax rates and discrete items in 2015 and 2016, partially offset by the stock-based compensation benefits recognized resulting from the adoption of Accounting Standards Update No. 2016-09 (ASU 2016-09).
Our future effective tax rate willto be affected by the Tax Act. Effectivegeographic mix of earnings in 2018, the Tax Act reduces the U.S.countries with different statutory tax rate from 35% to 21% and creates new taxes on certain foreign-sourced earnings and certain related-party payments, which are referred to as the global intangible low-taxed income tax and the base erosion tax, respectively.
Ourrates. Additionally, our future effective tax rate couldmay be adversely affected by earnings being lower than anticipated in countries that have lower statutory rates and higher than anticipated in countries that have higher statutory rates, the net gains and losses recognized by legal entities on certain hedges and related hedged intercompany and other transactions under our foreign exchange risk management program, changes in the valuation of our deferred tax assets or liabilities, or changes in tax laws, regulations, or accounting principles, as well as certain discrete items.
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Alphabet Inc.
Quarterly Results of Operations
The following tables presenting our quarterly results of operations should be read in conjunction with the consolidated financial statements and related notes included in Part II, Item 8 of this Annual Report on Form 10-K. We have prepared the unaudited information on the same basis as our audited consolidated financial statements. Our operating results for any quarter are not necessarily indicative of results for any future quarters or for a full year.
The following table presents our unaudited quarterly results of operations for the eight quarters ended December 31, 2017.2020. This table includes all adjustments, consisting only of normal recurring adjustments, that we consider necessary for a fair presentation of our consolidated financial position and operating results for the quarters presented. Both seasonalSeasonal fluctuations in internet usage advertisingand advertiser expenditures, and underlying business trends such as traditional retail seasonality and macroeconomic conditions have affected, and are likely to continue to affect, our business.business (including developments and volatility arising from COVID-19). Commercial queries typically increase significantly in the fourth quarter of each year. These seasonal trends have caused, and will likely continue to cause, fluctuations in our quarterly results, including fluctuations in sequential revenue growth rates.

 Quarter Ended
 Mar 31,
2019
Jun 30,
2019
Sept 30,
2019
Dec 31,
2019
Mar 31,
2020
Jun 30,
2020
Sept 30,
2020
Dec 31,
2020
(In millions, except per share amounts) (unaudited)
Consolidated Statements of Income Data:
Revenues$36,339 $38,944 $40,499 $46,075 $41,159 $38,297 $46,173 56,898 
Costs and expenses:
Cost of revenues16,012 17,296 17,568 21,020 18,982 18,553 21,117 26,080 
Research and development6,029 6,213 6,554 7,222 6,820 6,875 6,856 7,022 
Sales and marketing3,905 4,212 4,609 5,738 4,500 3,901 4,231 5,314 
General and administrative2,088 2,043 2,591 2,829 2,880 2,585 2,756 2,831 
European Commission fines1,697 
Total costs and expenses29,731 29,764 31,322 36,809 33,182 31,914 34,960 41,247 
Income from operations6,608 9,180 9,177 9,266 7,977 6,383 11,213 15,651 
Other income (expense), net1,538 2,967 (549)1,438 (220)1,894 2,146 3,038 
Income before income taxes8,146 12,147 8,628 10,704 7,757 8,277 13,359 18,689 
Provision for income taxes1,489 2,200 1,560 33 921 1,318 2,112 3,462 
Net income$6,657 $9,947 $7,068 $10,671 $6,836 $6,959 $11,247 15,227 
Basic net income per share of Class A and B common stock and Class C capital stock$9.58 $14.33 $10.20 $15.49 $9.96 $10.21 $16.55 $22.54 
Diluted net income per share of Class A and B common stock and Class C capital stock$9.50 $14.21 $10.12 $15.35 $9.87 $10.13 $16.40 $22.30 

Financial Condition
 Quarter Ended
 Mar 31,
2016

Jun 30,
2016

Sep 30,
2016

Dec 31,
2016
 Mar 31,
2017
 Jun 30,
2017
 Sep 30,
2017
 Dec 31,
2017
 (In millions, except per share amounts) (unaudited)
Consolidated Statements of Income Data:        
Revenues$20,257
 $21,500
 $22,451
 $26,064
 $24,750
 $26,010
 $27,772
 $32,323
Costs and expenses:               
Cost of revenues7,648
 8,130
 8,699
 10,661
 9,795
 10,373
 11,148
 14,267
Research and development3,367
 3,363
 3,596
 3,622
 3,942
 4,172
 4,205
 4,306
Sales and marketing2,387
 2,415
 2,565
 3,118
 2,644
 2,897
 3,042
 4,310
General and administrative1,513
 1,624
 1,824
 2,024
 1,801
 1,700
 1,595
 1,776
European Commission fine0
 0
 0
 0
 0
 2,736
 0
 0
Total costs and expenses14,915
 15,532
 16,684
 19,425
 18,182
 21,878
 19,990
 24,659
Income from operations5,342
 5,968
 5,767
 6,639
 6,568
 4,132
 7,782
 7,664
Other income (expense), net(213) 151
 278
 218
 251
 245
 197
 354
Income from continuing operations before income taxes5,129
 6,119
 6,045
 6,857
 6,819
 4,377
 7,979
 8,018
Provision for income taxes922
 1,242
 984
 1,524
 1,393
 853
 1,247
 11,038
Net income$4,207
 $4,877
 $5,061
 $5,333
 $5,426
 $3,524
 $6,732
 $(3,020)
                
Basic net income per share of Class A and B common stock and Class C capital stock$6.12
 $7.11
 $7.36
 $7.73
 $7.85
 $5.09
 $9.71
 $(4.35)
Diluted net income per share of Class A and B common stock and Class C capital stock$6.02
 $7.00
 $7.25
 $7.56
 $7.73
 $5.01
 $9.57
 $(4.35)
Cash, Cash Equivalents, and Marketable Securities
Capital Resources and Liquidity
As of December 31, 2017,2020, we had $101.9$136.7 billion in cash, cash equivalents, and short-term marketable securities with $62.8 billion held by our foreign subsidiaries.securities. Cash equivalents and marketable securities are comprised of time deposits, money market and other funds, highly liquid debt instruments of the U.S. government and its agencies, debt instruments issued by foreign governments, debt instruments issued by municipalities in the U.S.,bonds, corporate debt securities, mortgage-backed and asset-backed securities and asset-backed securities. From time to time, we may hold marketable equity securities obtained through acquisitions or strategic investments in private companies that subsequently go public.securities.
On December 22, 2017, the Tax Act was enactedSources, Uses of Cash and we recorded a tax liability for the one-time transition tax on accumulated foreign subsidiary earnings of $10.2 billion, of which $890 million and $9.3 billion were presented within “income tax payable, current” and “income tax payable, non-current,” respectively, on our Consolidated Balance Sheets as of December 31, 2017. As permitted by the Tax Act, we intend to pay the one-time transition tax in eight annual interest-free installments beginning in 2018.Related Trends
Our principal sources of liquidity are our cash, cash equivalents, and marketable securities, as well as the cash flow that we generate from our operations. The primary use of capital continues to be to invest for the long term growth of the business. We regularly evaluate our cash and capital structure, including the size, pace and form of capital return to stockholders.
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Alphabet Inc.
The following table presents our cash flows (in millions):
 Year Ended December 31,
 20192020
Net cash provided by operating activities$54,520 $65,124 
Net cash used in investing activities$(29,491)$(32,773)
Net cash used in financing activities$(23,209)$(24,408)
Cash Provided by Operating Activities
Our largest source of cash provided by our operations are advertising revenues generated by Google Search & other properties, Google Network Members' properties and YouTube ads. Additionally, we generate cash through sales of apps, in-app purchases, digital content products, and hardware; and licensing and service fees including fees received for Google Cloud offerings and subscription-based products.
Our primary uses of cash from our operating activities include compensation and related costs, payments to our distribution partners and Google Network Members, and payments for content acquisition costs. In addition, uses of cash from operating activities include hardware inventory costs, income taxes, and other general corporate expenditures.
Net cash provided by operating activities increased from 2019 to 2020 primarily due to the net effect of increases in cash received from revenues and cash paid for cost of revenues and operating expenses, and changes in operating assets and liabilities.
Cash Used in Investing Activities
Cash provided by investing activities consists primarily of maturities and sales of our investments in marketable and non-marketable securities. Cash used in investing activities consists primarily of purchases of marketable and non-marketable securities, purchases of property and equipment, and payments for acquisitions.
Net cash used in investing activities increased from 2019 to 2020 primarily due to a net increase in purchases of securities, partially offset by decreases in payments for acquisitions and purchases of property and equipment. The net decrease in purchases of property and equipment was driven by decreases in purchases of land and buildings for offices as well as data center construction, partially offset by increases in purchases of servers.
Cash Used in Financing Activities
Cash provided by financing activities consists primarily of proceeds from issuance of debt and proceeds from the sale of interest in consolidated entities. Cash used in financing activities consists primarily of repurchases of capital stock, net payments related to stock-based award activities, and repayments of debt.
Net cash used in financing activities increased from 2019 to 2020 primarily due to an increase in cash payments for repurchases of capital stock, partially offset by increases in net proceeds from issuance of debt and proceeds from the sale of interest in consolidated entities.
Liquidity and Material Cash Requirements
We expect existing cash, cash equivalents, short-term marketable securities, cash flows from operations and financing activities to continue to be sufficient to fund our operating activities and cash commitments for investing and financing activities for at least the next 12 months and thereafter for the foreseeable future.
As of December 31, 2020, we had long-term taxes payable of $6.5 billion related to a one-time transition tax payable incurred as a result of the U.S. Tax Cuts and Jobs Act ("Tax Act").As permitted by the Tax Act, we will pay the transition tax in annual interest-free installments through 2025.
In 2017, 2018 and 2019, the EC announced decisions that certain actions taken by Google infringed European competition law and imposed fines of €2.4 billion ($2.7 billion as of June 27, 2017), €4.3 billion ($5.1 billion as of June 30, 2018), and €1.5 billion ($1.7 billion as of March 20, 2019), respectively. While each EC decision is under appeal, we included the fines in accrued expenses and other current liabilities on our Consolidated Balance Sheets as we provided bank guarantees (in lieu of a cash payment) for the fines.
In January 2021, we closed the acquisition of Fitbit, a leading wearables brand, for $2.1 billion.
We have a short-term debt financing program of up to $5.0 billion through the issuance of commercial paper. Net proceeds from this program are used for general corporate purposes. WeAs of December 31, 2020, we had no commercial paper outstanding asoutstanding. As of December 31, 2017. We2020, we have a $4.0 billion of revolving credit facilityfacilities expiring
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in February 2021.July 2023 with no amounts outstanding. The interest rate for the credit facilityfacilities is determined based on a formula using certain market rates.
In August 2020, we issued $10.0 billion of fixed-rate senior unsecured notes in six tranches: $1.0 billion due in 2025, $1.0 billion due in 2027, $2.25 billion due in 2030, $1.25 billion due in 2040, $2.5 billion due in 2050 and $2.0 billion due in 2060. The 2020 Notes had a weighted average duration of 21.5 years and weighted average coupon rate of 1.57%. Of the total issuance, $5.75 billion was designated as Sustainability Bonds, the net proceeds of which are used to fund environmentally and socially responsible projects in the following eight areas: energy efficiency, clean energy, green buildings, clean transportation, circular economy and design, affordable housing, commitment to racial equity, and support for small businesses and COVID-19 crisis response. The remaining net proceeds are used for general corporate purposes. As of December 31, 2017, no amounts were outstanding under the credit facility. We believe that our sources of funding will be sufficient to satisfy our currently anticipated cash requirements including capital expenditures, working capital requirements, potential acquisitions and other liquidity requirements through at least the next 12 months.
As of December 31, 2017,2020, we have senior unsecured notes outstanding due in 2021, 2024, and 2026 with a total carrying value of $3.9 billion and a total estimated fair value$13.8 billion. Refer to Note 6 of $4.0 billion.the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further information on the debts.
In October 2016,accordance with the authorizations of the Board of Directors of Alphabet, authorized the repurchase of up to $7.0 billion of Alphabet Class C capital stock. In 2017,in 2020 we repurchased and subsequently retired 5.221.5 million shares of Alphabet Class C capital stock for an aggregate amount of $4.8$31.1 billion. In January 2018, the BoardAs of DirectorsDecember 31, 2020, $17.6 billion remains authorized the repurchase of up to an additional $8.6 billion of Alphabet Class C capital stock.and available for repurchase. The repurchases are expected to bebeing executed from time to time, subject to general business and market conditions and other investment opportunities, through open market purchases or privately negotiated transactions, including through Rule 10b5-1 plans. The repurchase program does not have an expiration date. Refer to Note 11 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

Capital Expenditures and Leases
In January 2017, Temasek, a Singapore-based investment company, signed a binding commitment to purchase a non-controlling interestWe make investments in Verilyland and buildings for an aggregate of $800 million in cash. We received the first tranche of $480 million in the first quarter of 2017data centers and the final tranche of $320 million in the third quarter of 2017.
The following table presents our cash flows (in millions):
 Year Ended December 31,
 2015 2016 2017
Net cash provided by operating activities$26,572
 $36,036
 $37,091
Net cash used in investing activities$(23,711) $(31,165) $(31,401)
Net cash used in financing activities$(4,225) $(8,332) $(8,298)
Cash Provided by Operating Activities
Our largest source of cash provided by our operations are advertising revenues generated by Google propertiesoffices and Google Network Members' properties. Additionally, we generate cashinformation technology assets through sales of apps, in-app purchases, digital content products, and hardware; and licensing and service fees including fees received for Google Cloud offerings.
Our primary uses of cash from our operating activities include payments to our Google Network Members and distribution partners, and payments for content acquisition costs. In addition, uses of cash from operating activities include compensation and related costs, hardware costs, other general corporate expenditures, and income taxes.
Net cash provided by operating activities increased from 2016 to 2017 primarily due to increases in cash received from advertising revenues and Google other revenues (net of payouts to app developers), offset by increases in cash paid for cost of revenues, operating expenses, and income taxes.
Net cash provided by operating activities increased from 2015 to 2016 primarily due to increases in cash received from advertising revenues and Google other revenues, offset by increases in cash paid for cost of revenues and operating expenses. Additionally, the timing of tax payments and refunds had a favorable impact to our cash flows from operations for 2016 compared to 2015.
Cash Used in Investing Activities
Cash provided by or used in investing activities primarily consists of purchases of property and equipment purchases, maturities, and saleslease arrangements to provide capacity for the growth of marketable securitiesour services and products.
Our capital investments in our investment portfolio, cash collateral received or returned from our securities lending program, payments for acquisitions, and the proceeds from the collection of notes receivable.
Net cash used in investing activities increased slightly from 2016 to 2017 primarily due to increases in purchases of marketable securities and increases in purchases of property and equipment offset by increasesconsist primarily of the following major categories:
Technical infrastructure, which consists of our investments in servers and network equipment for compute, storage and networking requirements for ongoing business activities, including machine learning, (collectively referred to as our information technology assets) and data center land and building construction; and
Office facilities, ground up development projects and related building improvements.
Due to the maturitiesintegrated nature of Alphabet, our technical infrastructure and salesoffice facilities are managed centrally at a consolidated level. The associated costs, including depreciation and impairment, are allocated to operating segments as a service cost generally based on usage or headcount. Our technical infrastructure investments are designed to support all of marketable securities, decreasesAlphabet, including primarily ads, Google Cloud, Search, and YouTube.
Construction in cash collateral paid related to securities lending, and increase in proceeds received from collections of notes receivables.
Net cash used in investing activities increased from 2015 to 2016 primarily due to increases in purchases of marketable securities, increases in cash collateral paid related to securities lending and increases in spend related to acquisitions, partially offset by increases in maturities and sales of marketable securities and decreases in purchases of non-marketable investments.
Cash Used in Financing Activities
Cash used in financing activitiesprogress consists primarily of net proceeds ortechnical infrastructure and office facilities which have not yet been placed in service for our intended use. The time frame from date of purchase to placement in service of these assets may extend to multiple periods. For example, our data center construction projects are generally multi-year projects with multiple phases, where we acquire qualified land and buildings, construct buildings, and secure and install information technology assets.
During the years ended December 31, 2019 and 2020, we spent $23.5 billion and $22.3 billion on capital expenditures and recognized total operating lease assets of $4.4 billion and $2.8 billion, respectively. As of December 31, 2020, the amount of total future lease payments from issuance or repaymentsunder operating leases, which had a weighted average remaining lease term of debt, repurchases9 years, was $15.1 billion. As of capital stock,December 31, 2020, we have entered into leases that have not yet commenced with future lease payments of $8.0 billion, excluding purchase options, that are not yet recorded on our Consolidated Balance Sheets. These leases will commence between 2021 and net proceeds or payments from stock-based award activities.2026 with non-cancelable lease terms of 1 to 25 years.
Net cash usedDepreciation of our property and equipment commences when the deployment of such assets are completed and are ready for our intended use. Land is not depreciated. For the years ended December 31, 2019 and 2020, our depreciation and impairment expenses on property and equipment were $10.9 billion and $12.9 billion, respectively.
For the years ended December 31, 2019 and 2020, our operating lease expenses (including variable lease costs), were $2.4 billion and $2.9 billion, respectively. Finance leases were not material for the years ended December 31, 2019 and 2020. Please refer to Note 4 of the Notes to Consolidated Financial Statements included in financing activities decreased slightly from 2016 to 2017 primarily driven by decreases inPart II, Item 8 of this Annual Report on Form 10-K for further information on the net cash outflow from repayments and issuance of debt, offset by increases in the repurchases of capital stock.leases.
Net cash used in financing activities increased from 2015 to 2016 primarily driven by decreases in proceeds from issuance of debt, and increases in the repurchases of capital stock and net payments related to stock-based award activities, partially offset by a decrease in debt repayments.
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Contractual Obligations as of December 31, 20172020
The following summarizes our contractual obligations as of December 31, 20172020 (in millions):
 Payments Due By Period
 TotalLess than
1 year
1-3
years
3-5
years
More than
5 years
Operating lease obligations(1)
$15,091 $2,198 $4,165 $3,127 $5,601 
Obligations for leases that have not yet commenced(1)
8,049 370 1,198 1,469 5,012 
Purchase obligations(2)
10,656 7,368 1,968 354 966 
Long-term debt obligations(3)
19,840 1,357 634 2,587 15,262 
Tax payable(4)
7,359 834 1,916 4,609 
Other long-term liabilities reflected on our balance sheet(5)
1,421 532 616 185 88 
Total contractual obligations$62,416 $12,659 $10,497 $12,331 $26,929 
 Payments Due By Period
 Total 
Less than
1 year
 
1-3
years
 
3-5
years
 
More than
5 years
Operating lease obligations, net of sublease income amounts(1)
$8,753
 $1,160
 $2,182
 $1,796
 $3,615
Purchase obligations(2)
7,154
 4,548
 1,910
 241
 455
Long-term debt obligations(3)
4,744
 112
 224
 1,170
 3,238
Tax payable(4)
10,233
 890
 1,746
 1,746
 5,851
Other long-term liabilities reflected on our balance sheet(5)
2,416
 348
 619
 511
 938
Total contractual obligations$33,300
 $7,058
 $6,681
 $5,464
 $14,097
(1)    For further information, refer to Note 4 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.
(2)    Represents non-cancelable contractual obligations primarily related to data center operations and build-outs; information technology assets; purchases of inventory; and digital media content licensing arrangements. The amounts included above represent the non-cancelable portion of agreements or the minimum cancellation fee. For those agreements with variable terms, we do not estimate the non-cancelable obligation beyond any minimum quantities and/or pricing as of December 31, 2020. Excluded from the table above are open orders for purchases that support normal operations, which are generally cancelable.
(3)    Represents our principal and interest payments. For further information on long-term debt, refer to Note 6 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.
(4)    Represents one-time transition tax payable incurred as a result of the Tax Act. For further information, refer to Note 14 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K. Excluded from the table above are long-term taxes payable of $2.3 billion as of December 31, 2020 primarily related to uncertain tax positions, for which we are unable to make a reasonably reliable estimate of the timing of payments in individual years beyond 12 months due to uncertainties in the timing and outcomes of tax audits.
(5)    Represents cash obligations recorded on our Consolidated Balance Sheets, including the short-term portion of these long-term liabilities, primarily for certain commercial agreements. These amounts do not include the EC fines which are classified as current liabilities on our Consolidated Balance Sheets. For further information regarding the EC fines, refer to Note 10 of the Notes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.
(1)
For further information, refer to Note 10 of the Notes to Consolidated Financial Statements included in Part II of this Annual Report on Form 10-K.
(2)
Represents non-cancelable contractual obligations primarily related to data center operations and build-outs; digital media content licensing arrangements; and purchases of inventory. The amounts included above represent the non-cancelable portion of agreements or the minimum cancellation fee. For those agreements with variable terms, we do not estimate the non-cancelable obligation beyond any minimum quantities and/or pricing as of December 31, 2017. Excluded from the table above are open orders for purchases that support normal operations.
(3)
Represents our principal and interest payments. For further information on long-term debt, refer to Note 6 of the Notes to Consolidated Financial Statements included in Part II of this Annual Report on Form 10-K.
(4)
Represents one-time transition tax payable related to known amounts of cash taxes payable in future years as a result of the Tax Act. For further information, refer to Note 14 of the Notes to Consolidated Financial Statements included in Part II of this Annual Report on Form 10-K. Excluded from the table above are long-term taxes payable of $3.5 billion as of December 31, 2017 related to uncertain tax positions. At this time, we are unable to make a reasonably reliable estimate of the timing of payments for uncertain tax positions in individual years beyond 12 months due to uncertainties in the timing of tax audit outcomes.
(5)
Represents cash obligations recorded on our consolidated balance sheets, including the short-term portion of these long-term liabilities, and consist primarily of facility build-outs and payments owed in connection with certain commercial agreements.
Off-Balance Sheet Arrangements
As of December 31, 2017,2020, we did not have any off-balance sheet arrangements, as defined in Item 303(a)(4)(ii) of Regulation S-K, that have or are reasonably likely to have a current or future effect on our financial condition, changes in our financial condition, revenues, or expenses, results of operations, liquidity, capital expenditures, or capital resources that is material to investors. See Note 10 included in Part II, Item 8 of this annual report on Form 10-K for more information on our commitments and contingencies.
Critical Accounting Policies and Estimates
We prepare our consolidated financial statements in accordance with U.S. Generally Accepted Accounting Principles (GAAP).GAAP. In doing so, we have to make estimates and assumptions that affect our reported amounts of assets, liabilities, revenues, expenses, gains and expenses,losses, as well as related disclosure of contingent assets and liabilities. In some cases, we could reasonably have used different accounting policies and estimates. In some cases, changes in the accounting estimates are reasonably likely to occur from period to period. Accordingly, actual results could differ materially from our estimates. To the extent that there are material differences between these estimates and actual results, our financial condition or results of operations will be affected. We base our estimates on past experience and other assumptions that we believe are reasonable under the circumstances, and we evaluate these estimates on an ongoing basis. We refer to accounting estimates of this type as critical accounting policies and estimates, which we discuss further below. We have reviewed our critical accounting policies and estimates with the audit and compliance committee of our boardBoard of directors.Directors.
Please see Note 1 ofNotes to Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for thea summary of significant accounting policies.policies and the effect on our financial statements.

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Revenues
For the sale of third-party goods and services, we evaluate whether we are the principal, and report revenues on a gross basis, or an agent, and report revenues on a net basis. In this assessment, we consider if we obtain control of the specified goods or services before they are transferred to the customer, as well as other indicators such as the party primarily responsible for fulfillment, inventory risk, and discretion in establishing price.
Income Taxes
We are subject to income taxes in the U.S. and foreign jurisdictions. Significant judgment is required in evaluating our uncertain tax positions and determining our provision for income taxes, and evaluating the impact of the Tax Act.
The Tax Act was enacted on December 22, 2017 and introduces significant changes to U.S. income tax law. Effective in 2018, the Tax Act reduces the U.S. statutory tax rate from 35% to 21% and creates new taxes on certain foreign-sourced earnings and certain related-party payments, which are referred to as the global intangible low-taxed income tax and the base erosion tax, respectively. In addition, in 2017 we are subject to a one-time transition tax on accumulated foreign subsidiary earnings not previously subject to U.S. income tax. Accounting for the income tax effects of the Tax Act requires significant judgments and estimates in the interpretation and calculations of the provisions of the Tax Act.
Due to the timing of the enactment and the complexity involved in applying the provisions of the Tax Act, we have made reasonable estimates of the effects and recorded provisional amounts in our financial statements for the year ended December 31, 2017. As we collect and prepare necessary data, and interpret any additional guidance issued by the U.S. Treasury Department, the IRS or other standard-setting bodies, we may make adjustments to the provisional amounts. Those adjustments may materially impact the provision for income taxes and the effective tax rate in the period in which the adjustments are made. The accounting for the tax effects of the enactment of the Tax Act will be completed in 2018.taxes.
Although we believe we have adequately reserved for our uncertain tax positions, no assurance can be given that the final tax outcome of these matters will not be different. We adjust these reserves in light of changing facts and circumstances, such as the closing of a tax audit or the refinement of an estimate. To the extent that the final tax outcome of these matters is different than the amounts recorded, such differences will impactaffect the provision for income taxes and the effective tax rate in the period in which such determination is made.
The provision for income taxes includes the impacteffect of reserve provisions and changes to reserves that are considered appropriate as well as the related net interest and penalties. In addition, we are subject to the continuous examination of our income tax returns by the IRSInternal Revenue Services ("IRS") and other tax authorities which may assert assessments against us. We regularly assess the likelihood of adverse outcomes resulting from these examinations and assessments to determine the adequacy of our provision for income taxes.
Loss Contingencies
We are regularly subject to claims, suits, government investigations, and other proceedings involving competition, and antitrust, intellectual property, privacy, non-income taxes,tax and related compliance, labor and employment, commercial disputes, content generated by our users, goods and services offered by advertisers or publishers using our platforms, personal injury consumer protection, and other matters. Certain of these matters include speculative claims for substantial or indeterminate amounts of damages. We record a liability when we believe that it is probable that a loss has been incurred and the amount can be reasonably estimated. If we determine that a loss is reasonably possible and the loss or range of loss can be estimated, we disclose the possible loss in the Notes to the Consolidated Financial Statements.
We evaluate, on a regular basis, developments in our legal matters that could affect the amount of liability that has been previously accrued, and the matters and related reasonably possible losses disclosed, and make adjustments and changes to our disclosures as appropriate. Significant judgment is required to determine both the likelihood of there being, and the estimated amount of, a loss related to such matters. Until the final resolution of such matters, there may be an exposure to loss in excess of the amount recorded, and such amounts could be material. Should any of our estimates and assumptions change or prove to have been incorrect, it could have a material impacteffect on our business, consolidated financial position, results of operations, or cash flows. See Note 10 of Notes to Consolidated Financial Statements included in Item 8 of this Annual Report on Form 10-K for additional information regarding contingencies.
Business Combinations
We allocate the fair value of purchase consideration to the tangible assets acquired, liabilities assumed, and intangible assets acquired based on their estimated fair values. The excess of the fair value of purchase consideration over the fair values of these identifiable assets and liabilities is recorded as goodwill. When determining the fair values

of assets acquired and liabilities assumed, management makes significant estimates and assumptions, especially with respect to intangible assets.
Critical estimates in valuing certain intangible assets include but are not limited to future expected cash flows (primarily from customer relationships and acquired patents and developed technology) and discount rates. Management’s estimates of fair value are based upon assumptions believed to be reasonable, but which are inherently uncertain and unpredictable and, as a result, actual results may differ from estimates.
Other estimates associated with the accounting for acquisitions may change as additional information becomes available regarding the assets acquired and liabilities assumed, as more fully discussed in Note 8 of Notes to Consolidated Financial Statements included in Item 8 of this Annual Report on Form 10-K.
Goodwill
Goodwill is allocated to reporting units expected to benefit from the business combination. We evaluate our reporting units when changes in our operating structure occur, and if necessary, reassign goodwill using a relative fair value allocation approach. We test goodwill for impairment at the reporting unit level at least annually, or more frequently if events or changes in circumstances indicate that the asset may be impaired. Goodwill impairment tests require judgment, including the identification of reporting units, assignment of assets and liabilities to reporting units, assignment of goodwill to reporting units, and determination of the fair value of each reporting unit.
Long-lived Assets
Long-lived assets, including property and equipment, long-term prepayments, and intangible assets, excluding goodwill, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. The evaluation is performed at the lowest level of identifiable cash flows independent of other assets. An impairment loss would be recognized when estimated undiscounted future cash flows generated from the assets are less than their carrying amount. Measurement of an impairment loss would be based on the excess of the carrying amount of the asset group over its fair value.
Impairment of SecuritiesFair Value Measurements
We periodically reviewmeasure certain of our securitiesnon-marketable equity and debt investments, certain other instruments including stock-based compensation awards settled in the stock of certain Other Bets, and certain assets and liabilities acquired in a business combination, at fair value on a nonrecurring basis. The determination of fair value involves the use of appropriate valuation methods and relevant inputs into valuation models. The fair value hierarchy prioritizes the inputs used to measure fair value whereby it gives the highest priority to quoted prices (unadjusted) in active markets for impairment. Ifidentical assets or liabilities and the lowest priority to unobservable inputs. We maximize the use of relevant observable inputs and minimize the use of unobservable inputs. Our use of unobservable inputs reflects the assumptions that market participants would use and may include our own data adjusted based on reasonably available information. We apply judgment in assessing the relevance of observable market data to determine the priority of inputs under the fair value hierarchy, particularly in situations where there is very little or no market activity.
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In determining the fair values of our non-marketable equity and debt investments, as well as assets acquired (especially with respect to intangible assets) and liabilities assumed in business combinations, we conclude that anymake significant estimates and assumptions, some of these investments are impaired, we determine whether such impairment is other-than-temporary. Factors we consider to make such determinationwhich include the duration and severityuse of unobservable inputs.
Certain stock-based compensation awards may be settled in the stock of certain of our Other Bets or in cash. These awards are based on the equity values of the respective Other Bet, which requires use of unobservable inputs.
We also have compensation arrangements with payouts based on realized investment returns, i.e. performance fees. We recognize compensation expense based on the estimated payouts, which may result in expense recognized before investment returns are realized, and may require the use of unobservable inputs.
Non-marketable Equity Securities
Our non-marketable equity securities not accounted for under the equity method are carried either at fair value or under the measurement alternative. Under the measurement alternative, the carrying value is measured at cost, less any impairment, the reasonplus or minus changes resulting from observable price changes in orderly transactions for the decline inidentical or a similar investment of the same issuer. Determining whether an observed transaction is similar to a security within our portfolio requires judgment based on the rights and obligations of the securities. Recording upward and downward adjustments to the carrying value and the potential recovery period andof our intent to sell. For marketable debtequity securities we also consider whether (1) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, and (2) the amortized cost basis cannot be recovered as a result of credit losses. If anyobservable price changes requires quantitative assessments of the fair value of our securities using various valuation methodologies and involves the use of estimates.
Non-marketable equity securities are also subject to periodic impairment isreviews. Our quarterly impairment analysis considers both qualitative and quantitative factors that may have a significant effect on the investment's fair value. Qualitative factors considered other-than-temporary,include the companies' financial and liquidity position, access to capital resources and the time since the last adjustment to fair value, among others. When indicators of impairment exist, we willprepare quantitative assessments of the fair value of our equity investments using both the market and income approaches which require judgment and the use of estimates, including discount rates, investee revenues and costs, and comparable market data of private and public companies, among others. When our assessment indicates that an impairment exists, we write down the assetinvestment to its fair valuevalue.
Change in Accounting Estimate
In January 2021, we completed an assessment of the useful lives of our servers and recordnetwork equipment and determined we should adjust the corresponding chargeestimated useful life of our servers from three years to four years and the estimated useful life of certain network equipment from three years to five years. This change in accounting estimate will be effective beginning fiscal year 2021. For assets that are in-service as other income (expense), net.of December 31, 2020, we expect operating results to be favorably impacted by approximately $2.1 billion for the full fiscal year 2021. The effect of the change may be different due to our capital investments during the fiscal year 2021.
ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
We are exposed to financial market risks, including changes in foreign currency exchange rates, interest rates, and interest rates.equity investment risks.
Foreign Currency Exchange Risk
We transact business globally in multiple currencies. Our international revenues, as well as costs and expenses denominated in foreign currencies, expose us to the risk of fluctuations in foreign currency exchange rates against the U.S. dollar. In general, we are a net receiver of foreign currencies and therefore benefit from a weakening of the U.S. dollar and are adversely affected by a strengthening of the U.S. dollar. Principal currencies hedged included the Australian dollar, British pound, Canadian dollar, Euro and Japanese yen. For the purpose of analyzing foreign currency exchange risk, we considered the historical trends in foreign currency exchange rates and determined that it was reasonably possible that adverse changes in exchange rates of 10% could be experienced in the near term.
We use foreign exchange forward contracts to offset the foreign exchange risk on our assets and liabilities denominated in currencies other than the functional currency of the subsidiary. These forward contracts reduce, but do not entirely eliminate, the effect of foreign currency exchange rate movements on our assets and liabilities. The foreign currency gains and losses on the assets and liabilities are recorded in other income (expense), net, which are offset by the gains and losses on the forward contracts.
If an adverse 10% foreign currency exchange rate change was applied to total monetary assets, liabilities, and commitments denominated in currencies other than the functional currencies at the balance sheet date, it would have resulted in an adverse effect on income before income taxes of approximately $8 million and $497 million as of
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December 31, 2019 and 2020, respectively, after consideration of the effect of foreign exchange contracts in place for the years ended December 31, 2019 and 2020.
We use foreign currency forwards and option contracts, including collars (an option strategy comprised of a combination of purchased and written options) to protect our forecasted U.S. dollar-equivalent earnings from changes in foreign currency exchange rates. When the U.S. dollar strengthens, gains from foreign currency options and forwards reduce the foreign currency losses related to our earnings. When the U.S. dollar weakens, losses from foreign currency collars and forwards offset the foreign currency gains related to our earnings. These hedging contracts reduce, but do not entirely eliminate, the impacteffect of foreign currency exchange rate movements. We designate these contracts as cash flow hedges for accounting purposes. We recordreflect the effective portiongains or losses of these contractsforeign currency spot rate changes as a component of accumulated other comprehensive income (AOCI)AOCI and subsequently reclassify them into revenues to offset the hedged exposures as they occur. For foreign currency collars, we include the change in time value in our assessment of hedge effectiveness. For forwards and all other option contracts, we exclude the change in the forward points and time value

from our assessment of hedge effectiveness. We recognize changes of the excluded components in other income (expense), net.
We considered the historical trends in foreign currency exchange rates and determined that it was reasonably possible that changes in exchange rates of 10% could be experienced in the near term. If the U.S. dollar weakened by 10% as of December 31, 20162019 and December 31, 2017,2020, the amount recorded in AOCI related to our foreign exchange contracts before tax effect would have been approximately $920 million$1.1 billion and $950$912 million lower as of December 31, 20162019 and December 31, 2017,2020, respectively. The change in the value recorded in AOCI would be expected to offset a corresponding foreign currency change in forecasted hedged revenues when recognized.
In addition, weWe use foreign exchange forward contracts designated as net investment hedges to hedge the foreign currency risks related to our investment in foreign subsidiaries. These forward contracts serve to offset the foreign exchangecurrency translation risk onfrom our assets and liabilities denominated in currencies other thanforeign operations.
If the local currency ofU.S. dollar weakened by 10%, the subsidiary. These forward contracts reduce, but do not entirely eliminate, the impact of foreign currency exchange rate movements on our assets and liabilities. The foreign currency gains and losses on the assets and liabilities areamount recorded in other income (expense),cumulative translation adjustment ("CTA") within AOCI related to our net which are offset by the gains and losses on the forward contracts.
We considered the historical trends in foreign currency exchange rates and determined that it was reasonably possible that adverse changes in exchange rates of 10% for all currencies could be experienced in the near term. These reasonably possible adverse changes in exchange rates of 10% were applied to total monetary assets and liabilities denominated in currencies other than the local currencies at the balance sheet dates to compute the adverse impact these changesinvestment hedge would have had on our income before income taxes in the near term. These changes would have resulted in an adverse impact on income before income taxes ofbeen approximately $40$936 million and $52 million$1 billion lower as of December 31, 20162019 and 2017,2020, respectively. The adverse impact as of December 31, 2016 and 2017 is after consideration of the offsetting effect of approximately $554 million and $374 million, respectively,change in value recorded in CTA would be expected to offset a corresponding foreign currency translation gain or loss from our investment in foreign exchange contracts in place for the months ended December 31, 2016 and December 31, 2017.subsidiaries.
Interest Rate Risk
Our Corporate Treasury investment strategy is to achieve a return that will allow us to preserve capital and maintain liquidity requirements.liquidity. We invest primarily in debt securities including those of the U.S. government and its agencies, corporate debt securities, mortgage-backed securities, money market and other funds, municipal securities, time deposits, asset backed securities, and debt instruments issued by foreign governments. By policy, we limit the amount of credit exposure to any one issuer. Our investments in both fixed rate and floating rate interest earning securities carry a degree of interest rate risk. Fixed rate securities may have their fair market value adversely impactedaffected due to a rise in interest rates, while floating rate securities may produce less income than predicted if interest rates fall. Unrealized gains or losses on our marketable debt securities are primarily due to interest rate fluctuations as a result of higher market interest rates compared to interest rates at the time of purchase. We account for bothFor certain fixed and variable rate debt securities, we have elected the fair value option for which changes in fair value are recorded in other income (expense), net. We measure securities for which we have not elected the fair value option at fair value with changes on gains and losses recorded in AOCI until the securities are sold.sold, less any expected credit losses.
To enhance our assessment of the interest rate risk associated with our investment portfolio, weWe use value-at-risk (VaR)("VaR") analysis to determine the potential impacteffect of fluctuations in interest rates on the value of our marketable debt security portfolio. The VaR is the expected loss in fair value, for a given confidence interval, for our investment portfolio due to adverse movements in interest rates. We use a variance/covariance VaR model with 95% confidence interval. The estimated one-day loss in fair value of our marketable debt securities as of December 31, 20162019 and 20172020 are shown below (in millions):
 As of December 31, 
12-Month Average
As of December 31,
 2016 2017 2016 2017
Risk Category - Interest Rate$107
 $84
 $99
 $87
 As of December 31,12-Month Average
As of December 31,
 2019202020192020
Risk Category - Interest Rate$104 $144 $90 $145 
Actual future gains and losses associated with our marketable debt security portfolio may differ materially from the sensitivity analyses performed as of December 31, 20162019 and 20172020 due to the inherent limitations associated with predicting the timing and amount of changes in interest rates and our actual exposures and positions. VaR analysis is not intended to represent actual losses but is used as a risk estimation.

Equity Investment Risk
Our marketable and non-marketable equity securities are subject to a wide variety of market-related risks that could substantially reduce or increase the fair value of our holdings.
Our marketable equity securities are publicly traded stocks or funds and our non-marketable equity securities are investments in privately held companies, some of which are in the startup or development stages.
48

Alphabet Inc.
We record our marketable equity securities not accounted for under the equity method at fair value based on readily determinable market values, of which publicly traded stocks and mutual funds are subject to market price volatility, and represent $3.3 billion and $5.9 billion of our investments as of December 31, 2019 and 2020, respectively. A hypothetical adverse price change of 30% on our December 31, 2020 balance, which could be experienced in the near term, would decrease the fair value of our marketable equity securities by $1.8 billion. From time to time, we may enter into derivatives to hedge the market price risk on certain of our marketable equity securities.
Our non-marketable equity securities not accounted for under the equity method are adjusted to fair value for observable transactions for identical or similar investments of the same issuer or impairment (referred to as the measurement alternative). The fair value measured at the time of the observable transaction is not necessarily an indication of the current fair value as of the balance sheet date. These investments, especially those that are in the early stages, are inherently risky because the technologies or products these companies have under development are typically in the early phases and may never materialize and they may experience a decline in financial condition, which could result in a loss of a substantial part of our investment in these companies. The success of our investment in any private company is also typically dependent on the likelihood of our ability to realize appreciation in the value of our investments through liquidity events such as public offerings, acquisitions, private sales or other market events. As of December 31, 2019 and 2020, the carrying value of our non-marketable equity securities, which were accounted for under the measurement alternative, was $11.4 billion and $18.9 billion, respectively. Valuations of our equity investments in private companies are inherently more complex due to the lack of readily available market data. Volatility in the global economic climate and financial markets could result in a significant impairment charge relating to our non-marketable equity securities. Changes in valuation of non-marketable equity securities may not directly correlate with changes in valuation of marketable equity securities. Additionally, observable transactions at lower valuations could result in significant losses on our non-marketable equity securities. The effect of COVID-19 on our impairment assessment requires significant judgment due to the uncertainty around the duration and severity of the impact.
The carrying values of our equity method investments, which totaled approximately $1.3 billion and $1.4 billion as of December 31, 2019 and 2020, respectively, generally do not fluctuate based on market price changes, however these investments could be impaired if the carrying value exceeds the fair value and is not expected to recover.
For further information about our equity investments, please refer to Note 1 and Note 3 of the Notes to Consolidated Financial Statements included in Part II of this Annual Report on Form 10-K.
49

Alphabet Inc.
ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
Alphabet Inc.
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
The supplementary financial information required by this Item 8 is included in Item 7 under the caption “Quarterly Results of Operations.”

50

Alphabet Inc.
REPORT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Stockholders and the Board of Directors of Alphabet Inc.
Opinion on the Financial Statements
We have audited the accompanying consolidated balance sheets of Alphabet Inc. (the Company) as of December 31, 20162019 and 2017,2020, the related consolidated statements of income, comprehensive income, stockholders’stockholders' equity and cash flows for each of the three years in the period ended December 31, 2017,2020, and the related notes and financial statement schedule listed in the Index at Item 15(a)215 (collectively referred to as the “financial“consolidated financial statements”). In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the consolidated financial position of the Company at December 31, 20162019 and 2017,2020, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2017,2020, in conformity with U.S. generally accepted accounting principles.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’sCompany's internal control over financial reporting as of December 31, 2017,2020, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February 5, 20182, 2021 expressed an unqualified opinion thereon.
Basis for Opinion
These financial statements are the responsibility of the Company’sCompany's management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the U.S. Securities and Exchange Commission and the PCAOB.
We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

51



Alphabet Inc.
Loss Contingencies
Description of the Matter
The Company is regularly subject to claims, suits, and government investigations involving competition, intellectual property, privacy, consumer protection, tax, labor and employment, commercial disputes, content generated by its users, goods and services offered by advertisers or publishers using their platforms, and other matters. As described in Note 10 to the consolidated financial statements “Commitments and Contingencies” such claims could result in adverse consequences.

Significant judgment is required to determine both the likelihood, and the estimated amount, of a loss related to such matters. Auditing management’s accounting for and disclosure of loss contingencies from these matters involved challenging and subjective auditor judgment in assessing the Company’s evaluation of the probability of a loss, and the estimated amount or range of loss.
How We Addressed the Matter in Our Audit
We tested relevant controls over the identified risks associated with management’s accounting for and disclosure of these matters. This included controls over management’s assessment of the probability of incurrence of a loss and whether the loss or range of loss was reasonably estimable and the development of related disclosures.

Our audit procedures included gaining an understanding of previous rulings issued by regulators and the status of ongoing lawsuits, reviewing letters addressing the matters from internal and external legal counsel, meeting with internal legal counsel to discuss the allegations, and obtaining a representation letter from management on these matters. We also evaluated the Company’s disclosures in relation to these matters.


/s/ Ernst & Young LLP
/s/ Ernst & Young LLP
We have served as the Company's auditor since 1999.
San Jose, California
February 5, 20182, 2021



52

Alphabet Inc.
REPORT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Stockholders and the Board of Directors of Alphabet Inc.
Opinion on Internal Control over Financial Reporting
We have audited Alphabet Inc.’s internal control over financial reporting as of December 31, 2017,2020, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Alphabet Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017,2020, based on the COSO criteria.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the 2020 consolidated balance sheets of the Company as of December 31, 2016 and 2017, and the related consolidatedfinancial statements of income, comprehensive income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2017, and the related notes and financial statement schedule listed in the Index at Item 15(a)2, of the Company and our report dated February 5, 20182, 2021 expressed an unqualified opinion thereon.
Basis for Opinion
The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the U.S. Securities and Exchange Commission and the PCAOB.
We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.
Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
Definition and LimitationLimitations of Internal Control Overover Financial Reporting
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.



/s/ Ernst & Young LLP
/s/ Ernst & Young LLP
San Jose, California
February 5, 20182, 2021


53

Alphabet Inc.
Alphabet Inc.
CONSOLIDATED BALANCE SHEETS
(In millions, except share and par value amounts which are reflected in thousands,
and par value per share amounts)
As of
December 31, 2016
 As of
December 31, 2017
As of
December 31, 2019
As of
December 31, 2020
Assets   Assets
Current assets:   Current assets:
Cash and cash equivalents$12,918
 $10,715
Cash and cash equivalents$18,498 $26,465 
Marketable securities73,415
 91,156
Marketable securities101,177 110,229 
Total cash, cash equivalents, and marketable securities86,333
 101,871
Total cash, cash equivalents, and marketable securities119,675 136,694 
Accounts receivable, net of allowance of $467 and $67414,137
 18,336
Accounts receivable, netAccounts receivable, net25,326 30,930 
Income taxes receivable, net95
 369
Income taxes receivable, net2,166 454 
Inventory268
 749
Inventory999 728 
Other current assets4,575
 2,983
Other current assets4,412 5,490 
Total current assets105,408
 124,308
Total current assets152,578 174,296 
Non-marketable investments5,878
 7,813
Non-marketable investments13,078 20,703 
Deferred income taxes383
 680
Deferred income taxes721 1,084 
Property and equipment, net34,234
 42,383
Property and equipment, net73,646 84,749 
Operating lease assetsOperating lease assets10,941 12,211 
Intangible assets, net3,307
 2,692
Intangible assets, net1,979 1,445 
Goodwill16,468
 16,747
Goodwill20,624 21,175 
Other non-current assets1,819
 2,672
Other non-current assets2,342 3,953 
Total assets$167,497
 $197,295
Total assets$275,909 $319,616 
Liabilities and Stockholders’ Equity   Liabilities and Stockholders’ Equity
Current liabilities:   Current liabilities:
Accounts payable$2,041
 $3,137
Accounts payable$5,561 $5,589 
Accrued compensation and benefits3,976
 4,581
Accrued compensation and benefits8,495 11,086 
Accrued expenses and other current liabilities6,144
 10,177
Accrued expenses and other current liabilities23,067 28,631 
Accrued revenue share2,942
 3,975
Accrued revenue share5,916 7,500 
Deferred revenue1,099
 1,432
Deferred revenue1,908 2,543 
Income taxes payable, net554
 881
Income taxes payable, net274 1,485 
Total current liabilities16,756
 24,183
Total current liabilities45,221 56,834 
Long-term debt3,935
 3,969
Long-term debt4,554 13,932 
Deferred revenue, non-current202
 340
Deferred revenue, non-current358 481 
Income taxes payable, non-current4,677
 12,812
Income taxes payable, non-current9,885 8,849 
Deferred income taxes226
 430
Deferred income taxes1,701 3,561 
Operating lease liabilitiesOperating lease liabilities10,214 11,146 
Other long-term liabilities2,665
 3,059
Other long-term liabilities2,534 2,269 
Total liabilities28,461
 44,793
Total liabilities74,467 97,072 
Commitments and Contingencies (Note 10)

 
Commitments and Contingencies (Note 10)00
Stockholders’ equity:   Stockholders’ equity:
Convertible preferred stock, $0.001 par value per share, 100,000 shares authorized; no shares issued and outstanding0
 0
Class A and Class B common stock, and Class C capital stock and additional paid-in capital, $0.001 par value per share: 15,000,000 shares authorized (Class A 9,000,000, Class B 3,000,000, Class C 3,000,000); 691,293 (Class A 296,992, Class B 47,437, Class C 346,864) and 694,783 (Class A 298,470, Class B 46,972, Class C 349,341) shares issued and outstanding36,307
 40,247
Accumulated other comprehensive loss(2,402) (992)
Convertible preferred stock, $0.001 par value per share, 100,000 shares authorized; 0 shares issued and outstandingConvertible preferred stock, $0.001 par value per share, 100,000 shares authorized; 0 shares issued and outstanding
Class A and Class B common stock, and Class C capital stock and additional paid-in capital, $0.001 par value per share: 15,000,000 shares authorized (Class A 9,000,000, Class B 3,000,000, Class C 3,000,000); 688,335 (Class A 299,828, Class B 46,441, Class C 342,066) and 675,222 (Class A 300,730, Class B 45,843, Class C 328,649) shares issued and outstandingClass A and Class B common stock, and Class C capital stock and additional paid-in capital, $0.001 par value per share: 15,000,000 shares authorized (Class A 9,000,000, Class B 3,000,000, Class C 3,000,000); 688,335 (Class A 299,828, Class B 46,441, Class C 342,066) and 675,222 (Class A 300,730, Class B 45,843, Class C 328,649) shares issued and outstanding50,552 58,510 
Accumulated other comprehensive income (loss)Accumulated other comprehensive income (loss)(1,232)633 
Retained earnings105,131
 113,247
Retained earnings152,122 163,401 
Total stockholders’ equity139,036
 152,502
Total stockholders’ equity201,442 222,544 
Total liabilities and stockholders’ equity$167,497
 $197,295
Total liabilities and stockholders’ equity$275,909 $319,616 
See accompanying notes.

54

Alphabet Inc.
Alphabet Inc.
CONSOLIDATED STATEMENTS OF INCOME
(In millions, except per share amounts)
Year Ended December 31, Year Ended December 31,
2015 2016 2017 201820192020
Revenues$74,989
 $90,272
 $110,855
Revenues$136,819 $161,857 $182,527 
Costs and expenses:     Costs and expenses:
Cost of revenues28,164
 35,138
 45,583
Cost of revenues59,549 71,896 84,732 
Research and development12,282
 13,948
 16,625
Research and development21,419 26,018 27,573 
Sales and marketing9,047
 10,485
 12,893
Sales and marketing16,333 18,464 17,946 
General and administrative6,136
 6,985
 6,872
General and administrative6,923 9,551 11,052 
European Commission fine0
 0
 2,736
European Commission finesEuropean Commission fines5,071 1,697 
Total costs and expenses55,629
 66,556
 84,709
Total costs and expenses109,295 127,626 141,303 
Income from operations19,360
 23,716
 26,146
Income from operations27,524 34,231 41,224 
Other income (expense), net291
 434
 1,047
Other income (expense), net7,389 5,394 6,858 
Income before income taxes19,651
 24,150
 27,193
Income before income taxes34,913 39,625 48,082 
Provision for income taxes3,303
 4,672
 14,531
Provision for income taxes4,177 5,282 7,813 
Net income$16,348
 $19,478
 $12,662
Net income$30,736 $34,343 $40,269 
Less: Adjustment Payment to Class C capital stockholders522
 0
 0
Net income available to all stockholders$15,826
 $19,478
 $12,662
     
Basic net income per share of Class A and B common stock$23.11
 $28.32
 $18.27
Basic net income per share of Class C capital stock$24.63
 $28.32
 $18.27
     
Diluted net income per share of Class A and B common stock$22.84
 $27.85
 $18.00
Diluted net income per share of Class C capital stock$24.34
 $27.85
 $18.00
Basic net income per share of Class A and B common stock and Class C capital stockBasic net income per share of Class A and B common stock and Class C capital stock$44.22 $49.59 $59.15 
Diluted net income per share of Class A and B common stock and Class C capital stockDiluted net income per share of Class A and B common stock and Class C capital stock$43.70 $49.16 $58.61 
See accompanying notes.

55

Alphabet Inc.
Alphabet Inc.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In millions)
Year Ended December 31, Year Ended December 31,
2015 2016 2017 201820192020
Net income$16,348
 $19,478
 $12,662
Net income$30,736 $34,343 $40,269 
Other comprehensive income (loss):     Other comprehensive income (loss):
Change in foreign currency translation adjustment(1,067) (599) 1,543
Change in foreign currency translation adjustment(781)(119)1,139 
Available-for-sale investments:     Available-for-sale investments:
Change in net unrealized gains (losses)(715) (314) 307
Change in net unrealized gains (losses)88 1,611 1,313 
Less: reclassification adjustment for net (gains) losses included in net income208
 221
 105
Less: reclassification adjustment for net (gains) losses included in net income(911)(111)(513)
Net change (net of tax effect of $29, $0, and $0)(507) (93) 412
Net change, net of tax benefit (expense) of $156, $(221), and $(230)Net change, net of tax benefit (expense) of $156, $(221), and $(230)(823)1,500 800 
Cash flow hedges:     Cash flow hedges:
Change in net unrealized gains (losses)676
 515
 (638)Change in net unrealized gains (losses)290 22 42 
Less: reclassification adjustment for net (gains) losses included in net income(1,003) (351) 93
Less: reclassification adjustment for net (gains) losses included in net income98 (299)(116)
Net change (net of tax effect of $115, $64, and $247)(327)
164
 (545)
Net change, net of tax benefit (expense) of $(103), $42, and $11Net change, net of tax benefit (expense) of $(103), $42, and $11388 (277)(74)
Other comprehensive income (loss)(1,901) (528) 1,410
Other comprehensive income (loss)(1,216)1,104 1,865 
Comprehensive income$14,447
 $18,950
 $14,072
Comprehensive income$29,520 $35,447 $42,134 
See accompanying notes.

56

Alphabet Inc.
Alphabet Inc.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(In millions, except share amounts which are reflected in thousands)
Class A and Class B
Common Stock, Class C Capital Stock and
Additional Paid-In Capital
Accumulated
Other
Comprehensive
Income (Loss)
Retained
Earnings
Total
Stockholders’
Equity
Class A and Class B
Common Stock, Class C Capital Stock and
Additional Paid-In Capital
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Retained
Earnings
 
Total
Stockholders’
Equity
SharesAmount
Shares     Amount     
Balance as of December 31, 2014680,172
 $28,767
 $27
 $75,066
 $103,860
Common and capital stock issued8,714
 664
 0
 0
 664
Stock-based compensation expense0
 5,151
 0
 0
 5,151
Stock-based compensation tax benefits0
 815
 0
 0
 815
Tax withholding related to vesting of restricted stock units0
 (2,779) 0
 0
 (2,779)
Repurchases of capital stock(2,391) (111) 0
 (1,669) (1,780)
Adjustment Payment to Class C capital stockholders853
 475
 0
 (522) (47)
Net income0
 0
 0
 16,348
 16,348
Other comprehensive loss0
 0
 (1,901) 0
 (1,901)
Balance as of December 31, 2015687,348
 32,982
 (1,874) 89,223
 120,331
Balance as of December 31, 2017Balance as of December 31, 2017694,783 $40,247 $(992)$113,247 $152,502 
Cumulative effect of accounting change0
 180
 0
 (133) 47
Cumulative effect of accounting change(98)(599)(697)
Common and capital stock issued9,106
 298
 0
 0
 298
Common and capital stock issued8,975 148 148 
Stock-based compensation expense0
 6,700
 0
 0
 6,700
Stock-based compensation expense9,353 9,353 
Tax withholding related to vesting of restricted stock units0
 (3,597) 0
 0
 (3,597)Tax withholding related to vesting of restricted stock units(4,782)(4,782)
Repurchases of capital stock(5,161) (256) 0
 (3,437) (3,693)Repurchases of capital stock(8,202)(576)(8,499)(9,075)
Sale of interest in consolidated entitiesSale of interest in consolidated entities659 659 
Net income0
 0
 0
 19,478
 19,478
Net income30,736 30,736 
Other comprehensive loss0
 0
 (528) 0
 (528)
Balance as of December 31, 2016691,293
 36,307
 (2,402) 105,131
 139,036
Other comprehensive income (loss)Other comprehensive income (loss)(1,216)(1,216)
Balance as of December 31, 2018Balance as of December 31, 2018695,556 45,049 (2,306)134,885 177,628 
Cumulative effect of accounting change0
 0
 0
 (15) (15)Cumulative effect of accounting change(30)(4)(34)
Common and capital stock issued8,652
 212
 0
 0
 212
Common and capital stock issued8,120 202 202 
Stock-based compensation expense0
 7,694
 0
 0
 7,694
Stock-based compensation expense10,890 10,890 
Tax withholding related to vesting of restricted stock units0
 (4,373) 0
 0
 (4,373)
Tax withholding related to vesting of restricted stock units and otherTax withholding related to vesting of restricted stock units and other(4,455)(4,455)
Repurchases of capital stock(5,162) (315) 0
 (4,531) (4,846)Repurchases of capital stock(15,341)(1,294)(17,102)(18,396)
Sale of subsidiary shares0
 722
 0
 0
 722
Sale of interest in consolidated entitiesSale of interest in consolidated entities160 160 
Net income0
 0
 0
 12,662
 12,662
Net income34,343 34,343 
Other comprehensive income0
 0
 1,410
 0
 1,410
Balance as of December 31, 2017694,783
 $40,247
 $(992) $113,247
 $152,502
Other comprehensive income (loss)Other comprehensive income (loss)1,104 1,104 
Balance as of December 31, 2019Balance as of December 31, 2019688,335 50,552 (1,232)152,122 201,442 
Common and capital stock issuedCommon and capital stock issued8,398 168 168 
Stock-based compensation expenseStock-based compensation expense13,123 13,123 
Tax withholding related to vesting of restricted stock units and otherTax withholding related to vesting of restricted stock units and other(5,969)(5,969)
Repurchases of capital stockRepurchases of capital stock(21,511)(2,159)(28,990)(31,149)
Sale of interest in consolidated entitiesSale of interest in consolidated entities2,795 2,795 
Net incomeNet income40,269 40,269 
Other comprehensive income (loss)Other comprehensive income (loss)1,865 1,865 
Balance as of December 31, 2020Balance as of December 31, 2020675,222 $58,510 $633 $163,401 $222,544 
See accompanying notes.

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Alphabet Inc.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)
Year Ended December 31, Year Ended December 31,
2015 2016 2017 201820192020
Operating activities     Operating activities
Net income$16,348
 $19,478
 $12,662
Net income$30,736 $34,343 $40,269 
Adjustments:     Adjustments:
Depreciation and impairment of property and equipment4,132
 5,267
 6,103
Depreciation and impairment of property and equipment8,164 10,856 12,905 
Amortization and impairment of intangible assets931
 877
 812
Amortization and impairment of intangible assets871 925 792 
Stock-based compensation expense5,203
 6,703
 7,679
Stock-based compensation expense9,353 10,794 12,991 
Deferred income taxes(179) (38) 258
Deferred income taxes778 173 1,390 
Loss on marketable and non-marketable investments, net334
 275
 194
Gain on debt and equity securities, netGain on debt and equity securities, net(6,650)(2,798)(6,317)
Other212
 174
 137
Other(189)(592)1,267 
Changes in assets and liabilities, net of effects of acquisitions:     Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable(2,094) (2,578) (3,768)Accounts receivable(2,169)(4,340)(6,524)
Income taxes, net(179) 3,125
 8,211
Income taxes, net(2,251)(3,128)1,209 
Other assets(318) 312
 (2,164)Other assets(1,207)(621)(1,330)
Accounts payable203
 110
 731
Accounts payable1,067 428 694 
Accrued expenses and other liabilities1,597
 1,515
 4,891
Accrued expenses and other liabilities8,614 7,170 5,504 
Accrued revenue share339
 593
 955
Accrued revenue share483 1,273 1,639 
Deferred revenue43
 223
 390
Deferred revenue371 37 635 
Net cash provided by operating activities26,572
 36,036
 37,091
Net cash provided by operating activities47,971 54,520 65,124 
Investing activities     Investing activities
Purchases of property and equipment(9,950) (10,212) (13,184)Purchases of property and equipment(25,139)(23,548)(22,281)
Proceeds from disposals of property and equipment35
 240
 99
Purchases of marketable securities(74,368) (84,509) (92,195)Purchases of marketable securities(50,158)(100,315)(136,576)
Maturities and sales of marketable securities62,905
 66,895
 73,959
Maturities and sales of marketable securities48,507 97,825 132,906 
Purchases of non-marketable investments(2,326) (1,109) (1,745)Purchases of non-marketable investments(2,073)(1,932)(7,175)
Maturities and sales of non-marketable investments154
 494
 533
Maturities and sales of non-marketable investments1,752 405 1,023 
Cash collateral related to securities lending(350) (2,428) 0
Investments in reverse repurchase agreements425
 450
 0
Acquisitions, net of cash acquired, and purchases of intangible assets(236) (986) (287)Acquisitions, net of cash acquired, and purchases of intangible assets(1,491)(2,515)(738)
Proceeds from collection of notes receivable0
 0
 1,419
Other investing activitiesOther investing activities98 589 68 
Net cash used in investing activities(23,711)
(31,165) (31,401)Net cash used in investing activities(28,504)(29,491)(32,773)
Financing activities     Financing activities
Net payments related to stock-based award activities(2,375) (3,304) (4,166)Net payments related to stock-based award activities(4,993)(4,765)(5,720)
Adjustment Payment to Class C capital stockholders(47) 0
 0
Repurchases of capital stock(1,780) (3,693) (4,846)Repurchases of capital stock(9,075)(18,396)(31,149)
Proceeds from issuance of debt, net of costs13,705
 8,729
 4,291
Proceeds from issuance of debt, net of costs6,766 317 11,761 
Repayments of debt(13,728) (10,064) (4,377)Repayments of debt(6,827)(585)(2,100)
Proceeds from sale of subsidiary shares0
 0
 800
Proceeds from sale of interest in consolidated entities, netProceeds from sale of interest in consolidated entities, net950 220 2,800 
Net cash used in financing activities(4,225) (8,332) (8,298)Net cash used in financing activities(13,179)(23,209)(24,408)
Effect of exchange rate changes on cash and cash equivalents(434) (170) 405
Effect of exchange rate changes on cash and cash equivalents(302)(23)24 
Net decrease in cash and cash equivalents(1,798) (3,631) (2,203)
Net increase in cash and cash equivalentsNet increase in cash and cash equivalents5,986 1,797 7,967 
Cash and cash equivalents at beginning of period18,347
 16,549
 12,918
Cash and cash equivalents at beginning of period10,715 16,701 18,498 
Cash and cash equivalents at end of period$16,549
 $12,918
 $10,715
Cash and cash equivalents at end of period$16,701 $18,498 $26,465 
     
Supplemental disclosures of cash flow information     Supplemental disclosures of cash flow information
Cash paid for taxes, net of refunds$3,651
 $1,643
 $6,191
Cash paid for taxes, net of refunds$5,671 $8,203 $4,990 
Cash paid for interest, net of amounts capitalized$96
 $84
 $84
See accompanying notes.

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Alphabet Inc.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
Note 1. Nature of Operations and Summary of Significant Accounting Policies
Nature of Operations
Google was incorporated in California in September 1998 and re-incorporated in the State of Delaware in August 2003. In 2015, we implemented a holding company reorganization, and as a result, Alphabet Inc. (Alphabet)("Alphabet") became the successor issuer to Google.
We generate revenues primarily by delivering relevant, cost-effective online advertising.advertising, cloud-based solutions that provide customers with platforms, collaboration tools and services, and sales of other products and services, such as apps and in-app purchases, digital content and subscriptions for digital content, and hardware.
Basis of Consolidation
The consolidated financial statements of Alphabet include the accounts of Alphabet and entities consolidated under the variable interest and voting models. All intercompany balances and transactions have been eliminated.
Use of Estimates
Preparation of consolidated financial statements in conformity with generally accepted accounting principles in the United States (GAAP)("GAAP") requires us to make estimates and assumptions that affect the amounts reported and disclosed in the financial statements and the accompanying notes. Actual results could differ materially from these estimates. On an ongoing basis, we evaluate our estimates, including those related to the accounts receivable and sales allowances,allowance for credit losses, fair values of financial instruments (including non-marketable equity securities), intangible assets and goodwill, useful lives of intangible assets and property and equipment, income taxes, and contingent liabilities, among others. We base our estimates on assumptions, both historical and forward looking, that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities.
As of December 31, 2020 the impact of COVID-19 continues to unfold and the extent of the impact will depend on a number of factors, including the duration and severity of the pandemic; the uneven impact to certain industries; advances in testing, treatment and prevention; and the macroeconomic impact of government measures to contain the spread of the virus and related government stimulus measures. As a result, certain of our estimates and assumptions, including the allowance for credit losses for accounts receivable, the credit worthiness of customers entering into revenue arrangements, the valuation of non-marketable equity securities, including our impairment assessment, and the fair values of our financial instruments require increased judgment and carry a higher degree of variability and volatility that could result in material changes to our estimates in future periods.
In January 2021, we completed an assessment of the useful lives of our servers and network equipment and determined we should adjust the estimated useful life of our servers from three years to four years and the estimated useful life of certain network equipment from three years to five years. This change in accounting estimate will be effective beginning fiscal year 2021.
Revenue Recognition
We recognize revenuesRevenues are recognized when we transfer control of the promised goods or services is transferred to our customers inand the collectibility of an amount that reflects the consideration to which we expect to be entitled to in exchange for those goods or services is probable. Sales and other similar taxes are excluded from revenues.
Advertising Revenues
We generate advertising revenues primarily by delivering advertising on Google Search & other properties, including Google.com, the Google Search app, Google Play, Gmail and Google Maps; YouTube, and Google Network Members’ properties.
Our customers generally purchase advertising inventory through Google Ads, Google Ad Manager and Google Marketing Platform, among others.
We offer advertising by delivering both performance and brand advertising. We recognize revenues for performance advertising when a user engages with the advertisement, such as a click, a view, or a purchase. For brand advertising, we recognize revenues when the ad is displayed or a user views the ad.
For ads placed on Google Network Members’ properties, we evaluate whether we are the principal (i.e., report revenues on a gross basis) or agent (i.e., report revenues on a net basis). Generally, we report advertising revenues
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for ads placed on Google Network Members’ properties on a gross basis, that is, the amounts billed to our customers are recorded as revenues, and amounts paid to Google Network Members are recorded as cost of revenues. Where we are the principal, we control the advertising inventory before it is transferred to our customers. Our control is evidenced by our sole ability to monetize the advertising inventory before it is transferred to our customers, and is further supported by us being primarily responsible to our customers and having a level of discretion in establishing pricing.
Google Cloud Revenues
Google Cloud revenues consist primarily of fees received for Google Cloud Platform services (which includes infrastructure and data analytics platform products and other services) and Google Workspace (formerly G Suite) collaboration tools and other enterprise services. Our cloud services are generally provided on either a consumption or subscription basis. Revenues related to cloud services provided on a consumption basis are recognized when the customer utilizes the services, based on the quantity of services consumed. Revenues related to cloud services provided on a subscription basis are recognized ratably over the contract term as the customer receives and consumes the benefits of the cloud services.
See Note 2Other Revenues
Google other revenues and Other Bets revenues consist primarily of revenues from:
Google Play, which includes revenues from sale of apps and in-app purchases (which we recognize net of payout to developers) and digital content sold in the Google Play store;
hardware, including Google Nest home products, Pixelbooks, Pixel phones and other devices;
YouTube non-advertising services including, YouTube premium and YouTube TV subscriptions and other services; and
other products and services.
As it relates to Google other revenues, the most significant judgment is determining whether we are the principal or agent for further discussionapp sales and in-app purchases through the Google Play store. We report revenues from these transactions on Revenues.a net basis because our performance obligation is to facilitate a transaction between app developers and end users, for which we earn a commission. Consequently, the portion of the gross amount billed to end users that is remitted to app developers is not reflected as revenues.
Arrangements with Multiple Performance Obligations
Our contracts with customers may include multiple performance obligations. For such arrangements, we allocate revenues to each performance obligation based on its relative standalone selling price. We generally determine standalone selling prices based on the prices charged to customers or using expected cost plus margin.
Customer Incentives and Credits
Certain customers receive cash-based incentives or credits, which are accounted for as variable consideration. We estimate these amounts based on the expected amount to be provided to customers and reduce revenues. We believe that there will not be significant changes to our estimates of variable consideration.
Sales Commissions
We expense sales commissions when incurred when the amortization period is one year or less. We recognize an asset for certain sales commissions if we expect the period of benefit of these costs to exceed one year and amortize it over the period of expected benefit. These costs are recorded within sales and marketing expenses.
Cost of Revenues
Cost of revenues consists of TAC and other costs of revenues.
TAC represents the amounts paid to Google Network Members primarily for ads displayed on their properties and amounts paid to our distribution partners who make available our search access points and services.services and amounts paid to Google Network Members primarily for ads displayed on their properties. Our distribution partners include browser providers, mobile carriers, original equipment manufacturers, and software developers.
Other costscost of revenues (which is the cost of revenues excluding TAC) includeincludes the following:
Amortization of certain intangible assets;
Content acquisition costs primarily related to payments to content providers from whom we license video and other content for distribution on YouTube advertising and subscription servicesand Google Play (wePlay. We pay fees to these content providers based on revenues generated or a flat fee);fee;
Credit card and other transaction fees related to processing customer transactions;
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Expenses associated with our data centers and other operations (including bandwidth, compensation expense (including SBC), depreciation, energy, and other equipment costs); and
Inventory related costs for hardware we sell.
Stock-based Compensation
Stock-based compensation primarily consists of Alphabet restricted stock units (RSUs). RSUs are equity classified and measured at the fair market value of the underlying stock at the grant date. We recognize RSU expense using the straight-line attribution method over the requisite service period and account for forfeitures as they occur.
For RSUs, shares are issued on the vesting dates net of the applicable statutory tax withholding to be paid by us on behalf of our employees. As a result, fewer shares are issued than the number of RSUs outstanding. We record a liability for the tax withholding to be paid by us as a reduction to additional paid-in capital.
Additionally, stock-based compensation includes other types of stock-based awards that may be settled in the stock of our subsidiaries or in cash. Certain awards are liability classified and are remeasured at fair value through settlement.
Performance Fees
We have compensation arrangements with payouts based on investment returns. We recognize compensation expense based on the estimated payouts. The amounts are recorded in general and administrative expenses and were not material for the years ended December 31, 2015, 2016, and 2017.
Certain Risks and Concentrations
Our revenues are primarily derived from online advertising, the market for which is highly competitive and rapidly changing. In addition, our revenues are generated from a multitude of vertical market segments in countries around the world. Significant changes in this industry or changes in customer buying or advertiser spending behavior could adversely affect our operating results.
We are subject to concentrations of credit risk principally from cash and cash equivalents, marketable securities, foreign exchange contracts, and accounts receivable. Cash equivalents and marketable securities consist primarily of time deposits, money market and other funds, highly liquid debt instruments of the U.S. government and its agencies, debt instruments issued by foreign governments, debt instruments issued by municipalities in the U.S., corporate debt securities, mortgage-backed securities, and asset-backed securities. Foreign exchange contracts are transacted with various financial institutions with high credit standing. Accounts receivable are typically unsecured and are derived from revenues earned from customers located around the world. We perform ongoing evaluations to determine customer credit and we limit the amount of credit we extend. We generally do not require collateral from our customers. We maintain reserves for estimated credit losses and these losses have generally been within our expectations.
No individual customer or groups of affiliated customers represented more than 10% of our revenues in 2015, 2016, or 2017. In 2015, 2016, and 2017, we generated approximately 46%, 47%, and 47% of our revenues, respectively, from customers based in the U.S. See Note 2 for further details.
Fair Value of Financial Instruments
Our financial assets and liabilities that are measured at fair value on a recurring basis include cash equivalents, marketable securities, derivative contracts, and non-marketable debt securities. Our financial assets that are measured at fair value on a nonrecurring basis when impairment is identified or assets are held for sale include long-lived assets and non-marketable equity securities. Other financial assets and liabilities are carried at cost with fair value disclosed, if required.
Fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that is determined based on assumptions that market participants would use in pricing an asset or a liability. Assets and liabilities recorded at fair value are measured and classified in accordance with a three-tier fair value hierarchy based on the observability of the inputs available in the market used to measure fair value:
Level 1 - Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2 - Include other inputs that are based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant inputs are observable in the market or can be derived from observable market data. Where applicable, these models project future cash flows and discount the future amounts to a present value using market-based observable inputs including interest rate curves, foreign exchange rates, and credit ratings.
Level 3 - Unobservable inputs that are supported by little or no market activities.
The fair value hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value.
Cash, Cash Equivalents, and Marketable Securities
We invest all excess cash primarily in debt securities including those of the U.S. government and its agencies, corporate debt securities, mortgage-backed securities, money market and other funds, municipal securities, time deposits, asset backed securities, and debt instruments issued by foreign governments.

We classify all investments that are readily convertible to known amounts of cash and have stated maturities of three months or less from the date of purchase as cash equivalents and those with stated maturities of greater than three months as marketable securities.
We determine the appropriate classification of our investments in marketable securities at the time of purchase and reevaluate such designation at each balance sheet date. We have classified and accounted for our marketable securities as available-for-sale. After consideration of our risk versus reward objectives, as well as our liquidity requirements, we may sell these securities prior to their stated maturities. As we view these securities as available to support current operations, we classify highly liquid securities with maturities beyond 12 months as current assets under the caption marketable securities in the Consolidated Balance Sheets. We carry these securities at fair value, and report the unrealized gains and losses, net of taxes, as a component of stockholders’ equity, except for unrealized losses determined to be other-than-temporary, which we record within other income (expense), net. We determine any realized gains or losses on the sale of marketable securities on a specific identification method, and we record such gains and losses as a component of other income (expense), net.
Non-Marketable Investments
We account for non-marketable equity investments either under the equity or cost method. Investments through which we exercise significant influence but do not have control over the investee are accounted for under the equity method. Investments through which we are not able to exercise significant influence over the investee are accounted for under the cost method. We classify non-marketable investments as non-current assets on the Consolidated Balance Sheet as those investments do not have stated contractual maturity dates.
We account for our non-marketable investments that meet the definition of a debt security as available-for-sale securities.
Variable Interest Entities
We determine at the inception of each arrangement whether an entity in which we have made an investment or in which we have other variable interests in is considered a Variable Interest Entity (VIE). We consolidate VIEs when we are deemed to be the primary beneficiary. The primary beneficiary of a VIE is the party that meets both of the following criteria: (1) has the power to make decisions that most significantly affect the economic performance of the VIE; and (2) has the obligation to absorb losses or the right to receive benefits that in either case could potentially be significant to the VIE. Periodically, we determine whether any changes in our interest or relationship with the entity impact our determination of whether the entity is still a VIE and, if so, whether we are the primary beneficiary. If we are not deemed to be the primary beneficiary in a VIE, we account for the investment or other variable interests in a VIE in accordance with applicable GAAP.
Impairment of Investments
We periodically review our investments for impairment. If we conclude that any of these investments are impaired, we determine whether such impairment is other-than-temporary. Factors we consider to make such determination include the duration and severity of the impairment, the reason for the decline in value and the potential recovery period and our intent to sell. For debt securities, we also consider whether (1) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, and (2) the amortized cost basis cannot be recovered as a result of credit losses. If any impairment is considered other-than-temporary, we will write down the asset to its fair value and record the corresponding charge as other income (expense), net.
Accounts Receivable
We record accounts receivable at the invoiced amount. We maintain an allowance for doubtful accounts to reserve for potentially uncollectible receivables. We review the accounts receivable by amounts due by customers which are past due to identify specific customers with known disputes or collectability issues. In determining the amount of the reserve, we make judgments about the creditworthiness of significant customers based on ongoing credit evaluations. We also maintain a sales allowance to reserve for potential credits issued to customers. We determine the amount of the reserve based on historical credits issued.
Property and Equipment
We account for property and equipment at cost less accumulated depreciation. We compute depreciation using the straight-line method over the estimated useful lives of the assets. We depreciate buildings over periods up to 25 years. We generally depreciate information technology assets over periods up to 7 years. We depreciate leasehold improvements over the shorter of the remaining lease term or the estimated useful lives of the assets. Construction in progress is the construction or development of property and equipment that have not yet been placed in service for

our intended use. Depreciation for equipment, buildings, and leasehold improvements commences once they are ready for our intended use. Land is not depreciated.
Inventory
Inventory consists primarily of finished goods and is stated at the lower of cost and net realizable value. Cost is computed using the first-in, first-out method.
Software Development Costs
We expense software development costs, including costs to develop software products or the software component of products to be sold, leased, or marketed to external users, before technological feasibility is reached. Technological feasibility is typically reached shortly before the release of such products and as a result, development costs that meet the criteria for capitalization were not material for the periods presented.
Software development costs also include costs to develop software to be used solely to meet internal needs and cloud based applications used to deliver our services. We capitalize development costs related to these software applications once the preliminary project stage is complete and it is probable that the project will be completed and the software will be used to perform the function intended. Costs capitalized for developing such software applications were not material for the periods presented.
Business CombinationsStock-based Compensation
Stock-based compensation primarily consists of Alphabet restricted stock units ("RSUs"). RSUs are equity classified and measured at the fair market value of the underlying stock at the grant date. We recognize RSU expense using the straight-line attribution method over the requisite service period and account for forfeitures as they occur.
For RSUs, shares are issued on the vesting dates net of the applicable statutory tax withholding to be paid by us on behalf of our employees. As a result, fewer shares are issued than the number of RSUs outstanding and the tax withholding is recorded as a reduction to additional paid-in capital.
Additionally, stock-based compensation also includes other stock-based awards, such as performance stock units ("PSUs") and awards that may be settled in cash or the stock of certain Other Bets. PSUs and certain Other Bet awards are equity classified and expense is recognized over the requisite service period. Certain Other Bet awards are liability classified and remeasured at fair value through settlement. The fair value of Other Bet awards is based on the equity valuation of the respective Other Bet.
Advertising and Promotional Expenses
We includeexpense advertising and promotional costs in the resultsperiod in which they are incurred. For the years ended December 31, 2018, 2019 and 2020, advertising and promotional expenses totaled approximately $6.4 billion, $6.8 billion, and $5.4 billion, respectively.
Performance Fees
Performance fees refer to compensation arrangements with payouts based on realized investment returns. We recognize compensation expense based on the estimated payouts, which may result in expense recognized before investment returns are realized. Performance fees, which are primarily related to gains on equity securities, are recorded as a component of operationsother income (expense), net.
Certain Risks and Concentrations
Our revenues are primarily derived from online advertising, the market for which is highly competitive and rapidly changing. In addition, our revenues are generated from a multitude of markets in countries around the world. Significant changes in this industry or changes in customer buying or advertiser spending behavior could adversely affect our operating results.
No individual customer or groups of affiliated customers represented more than 10% of our revenues in 2018, 2019, or 2020. In 2018, 2019, and 2020, we generated approximately 46%, 46%, and 47% of our revenues, respectively, from customers based in the U.S.
We are subject to concentrations of credit risk principally from cash and cash equivalents, marketable securities, foreign exchange contracts, and accounts receivable. We manage our credit risk exposure through timely assessment of our counterparty creditworthiness, credit limits and use of collateral management.
Cash equivalents and marketable securities consist primarily of time deposits, money market and other funds, highly liquid debt instruments of the businessesU.S. government and its agencies, debt instruments issued by foreign governments, debt instruments issued by municipalities in the U.S., corporate debt securities, mortgage-backed securities, and asset-backed securities. Foreign exchange contracts are transacted with various financial institutions with high credit standing. Accounts receivable are typically unsecured and are derived from revenues earned from
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customers located around the world. We perform ongoing evaluations to determine customer credit and we limit the amount of credit we extend. We generally do not require collateral from our customers.
Fair Value of Financial Instruments
Our financial assets and liabilities that are measured at fair value on a recurring basis include cash equivalents, marketable securities, derivative contracts, and non-marketable debt securities. Our financial assets measured at fair value on a nonrecurring basis include non-marketable equity securities, which are adjusted to fair value when observable price changes are identified or when the non-marketable equity securities are impaired (referred to as the measurement alternative). Other financial assets and liabilities are carried at cost with fair value disclosed, if required.
Fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that is determined based on assumptions that market participants would use in pricing an asset or a liability. Assets and liabilities recorded at fair value are measured and classified in accordance with a three-tier fair value hierarchy based on the observability of the inputs available in the market used to measure fair value:
Level 1 - Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2 - Inputs that are based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant inputs are observable in the market or can be derived from observable market data. Where applicable, these models project future cash flows and discount the future amounts to a present value using market-based observable inputs including interest rate curves, foreign exchange rates, and credit ratings.
Level 3 - Unobservable inputs that are supported by little or no market activities.
The fair value hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value.
Cash, Cash Equivalents, and Marketable Securities
We invest all excess cash primarily in government bonds, corporate debt securities, mortgage-backed and asset-backed securities, time deposits, and money market funds.
We classify all marketable debt securities that have stated maturities of three months or less from the date of purchase as cash equivalents and those with stated maturities of greater than three months as marketable securities on our Consolidated Balance Sheets.
We determine the appropriate classification of our investments in marketable debt securities at the time of purchase and reevaluate such designation at each balance sheet date. We have classified and accounted for our marketable debt securities as available-for-sale. After consideration of our risk versus reward objectives, as well as our liquidity requirements, we acquiremay sell these debt securities prior to their stated maturities. As we view these securities as available to support current operations, we classify highly liquid securities with maturities beyond 12 months as current assets under the caption marketable securities on the Consolidated Balance Sheets. We carry these securities at fair value, and report the unrealized gains and losses, net of taxes, as a component of stockholders’ equity, except for the changes in allowance for expected credit losses, which are recorded in other income (expense), net. For certain marketable debt securities we have elected the fair value option, for which changes in fair value are recorded in other income (expense), net. We determine any realized gains or losses on the sale of marketable debt securities on a specific identification method, and we record such gains and losses as a component of other income (expense), net.
Our investments in marketable equity securities are measured at fair value with the related gains and losses, realized and unrealized, recognized in other income (expense), net.
Accounts Receivable
Our payment terms for accounts receivable vary by the type and location of our customer and the products or services offered. The term between invoicing and when payment is due is not significant. For certain products or services and customers, we require payment before the products or services are delivered to the customer.
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We maintain an allowance for credit losses for accounts receivable, which is recorded as an offset to accounts receivable and changes in such are classified as general and administrative expense in the Consolidated Statements of Income. We assess collectibility by reviewing accounts receivable on a collective basis where similar characteristics exist and on an individual basis when we identify specific customers with known disputes or collectibility issues. In determining the amount of the allowance for credit losses, we consider historical collectibility based on past due status and make judgments about the creditworthiness of customers based on ongoing credit evaluations. We also consider customer-specific information, current market conditions and reasonable and supportable forecasts of future economic conditions to inform adjustments to historical loss data.
For the year ended December 31, 2020, our assessment considered the impact of COVID-19 and estimates of expected credit and collectibility trends. Volatility in market conditions and evolving credit trends are difficult to predict and may cause variability and volatility that may have a material impact on our allowance for credit losses in future periods. The allowance for credit losses on accounts receivable was $275 million and $789 million as of December 31, 2019 and 2020, respectively.
Inventory
Inventory consists primarily of finished goods and is stated at the lower of cost and net realizable value. Cost is computed using the first-in, first-out method.
Non-Marketable Investments
We account for non-marketable equity investments through which we exercise significant influence but do not have control over the investee under the equity method. Our non-marketable equity securities not accounted for under the equity method are primarily accounted for under the measurement alternative. Under the measurement alternative, the carrying value of our non-marketable equity investments is adjusted to fair value for observable transactions for identical or similar investments of the same issuer or impairment. Adjustments are determined primarily based on a market approach as of the acquisition date. transaction date and are recorded as a component of other income (expense), net.
Non-marketable debt investments are classified as available-for-sale securities.
Non-marketable investments that do not have stated contractual maturity dates are classified as non-current assets on the Consolidated Balance Sheets.
Impairment of Investments
We allocateperiodically review our debt and non-marketable equity investments for impairment.
For debt securities in an unrealized loss position, we determine whether a credit loss exists. The credit loss is estimated by considering available information relevant to the purchase pricecollectibility of the security and information about past events, current conditions, and reasonable and supportable forecasts. Any credit loss is recorded as a charge to other income (expense), net, not to exceed the amount of the unrealized loss. Unrealized losses other than the credit loss are recognized in accumulated other comprehensive income ("AOCI"). If we have an intent to sell, or if it is more likely than not that we will be required to sell a debt security in an unrealized loss position before recovery of its amortized cost basis, we will write down the security to its fair value and record the corresponding charge as a component of other income (expense), net.
For non-marketable equity securities we consider whether impairment indicators exist by evaluating the companies' financial and liquidity position, access to capital resources and the time since the last adjustment to fair value, among others. If the assessment indicates that the investment is impaired, we write down the investment to its fair value by recording the corresponding charge as a component of other income (expense), net. Fair value is estimated using the best information available, which may include cash flow projections or other available market data.
Variable Interest Entities
We determine at the inception of each arrangement whether an entity in which we have made an investment or in which we have other variable interests is considered a variable interest entity ("VIE"). We consolidate VIEs when we are the primary beneficiary. We are the primary beneficiary of a VIE when we have the power to direct activities that most significantly affect the economic performance of the VIE and have the obligation to absorb the majority of their losses or benefits. If we are not the primary beneficiary in a VIE, we account for the investment or other variable interests in a VIE in accordance with applicable GAAP.
Periodically, we assess whether any changes in our interest or relationship with the entity affect our determination of whether the entity is a VIE and, if so, whether we are the primary beneficiary.
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Property and Equipment
Property and equipment includes the following categories: land and buildings, information technology assets, construction in progress, leasehold improvements, and furniture and fixtures. Land and buildings include land, offices, data centers and related building improvements. Information technology assets include servers and network equipment. We account for property and equipment at cost less accumulated depreciation. We compute depreciation using the straight-line method over the estimated useful lives of the assets, which we regularly evaluate. We depreciate buildings over periods of seven to 25 years. We depreciate information technology assets generally over periods of three to five years (specifically, three years for servers and three to five years for network equipment).
We depreciate leasehold improvements over the shorter of the remaining lease term or the estimated useful lives of the assets. Construction in progress is the construction or development of property and equipment that have not yet been placed in service for our intended use. Depreciation for equipment, buildings, and leasehold improvements commences once they are ready for our intended use. Land is not depreciated.
Leases
We determine if an arrangement is a lease at inception. Our lease agreements generally contain lease and non-lease components. Payments under our lease arrangements are primarily fixed. Non-lease components primarily include payments for maintenance and utilities. We combine fixed payments for non-lease components with lease payments and account for them together as a single lease component which increases the amount of our acquisitions tolease assets and liabilities.
Certain lease agreements contain variable payments, which are expensed as incurred and not included in the lease assets acquired and liabilities assumed basedliabilities. These amounts include payments affected by the Consumer Price Index, payments contingent on their estimated fair values. The excess of thewind or solar production for power purchase price over the fair values of these identifiablearrangements, and payments for maintenance and utilities.
Lease assets and liabilities is recorded as goodwill. Acquisition-related expenses are recognized separately fromat the business combinationpresent value of the future lease payments at the lease commencement date. The interest rate used to determine the present value of the future lease payments is our incremental borrowing rate, because the interest rate implicit in our leases is not readily determinable. Our incremental borrowing rate is estimated to approximate the interest rate on a collateralized basis with similar terms and payments, and in economic environments where the leased asset is located. Our lease terms include periods under options to extend or terminate the lease when it is reasonably certain that we will exercise that option. We generally use the base, non-cancelable, lease term when determining the lease assets and liabilities. Lease assets also include any prepaid lease payments and lease incentives.
Operating lease assets and liabilities are expensed as incurred.included on our Consolidated Balance Sheet beginning January 1, 2019. The current portion of our operating lease liabilities is included in accrued expenses and other current liabilities and the long term portion is included in operating lease liabilities. Finance lease assets are included in property and equipment, net. Finance lease liabilities are included in accrued expenses and other current liabilities or long-term debt.
Operating lease expense (excluding variable lease costs) is recognized on a straight-line basis over the lease term.
Long-Lived Assets, Goodwill and Other Acquired Intangible Assets
We review property and equipment, long-term prepayments and intangible assets, excluding goodwill, for impairment when events or changes in circumstances indicate the carrying amount may not be recoverable. We measure recoverability of these assets by comparing the carrying amounts to the future undiscounted cash flows that the assets or the asset group are expected to generate. If the carrying value of the assets or asset group are not recoverable, the impairment recognized is measured as the amount by which the carrying value of the asset exceeds its fair value. Intangible asset impairmentsImpairments were not material in 2015, 2016, or 2017.for the periods presented.
We allocate goodwill to reporting units based on the expected benefit from the business combination. We evaluate our reporting units periodically, as well as when changes in our operating structure occur, and if necessary,segments occur. For changes in reporting units, we reassign goodwill using a relative fair value allocation approach. We test our goodwill for impairment at least annually, or more frequently if events or changes in circumstances indicate that the asset may be impaired. No goodwill impairment occurred in 2015, 2016, or 2017.Goodwill impairments were 0t material for the periods presented.
Intangible assets with definite lives are amortized over their estimated useful lives. We amortize intangible assets on a straight-line basis with definite lives generally over periods ranging from one to twelve years.
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Income Taxes
We account for income taxes using the asset and liability method, under which we recognize the amount of taxes payable or refundable for the current year and deferred tax assets and liabilities for the future tax consequences of events that have been recognized in our financial statements or tax returns. We measure current and deferred tax assets and liabilities based on provisions of enacted tax law. We evaluate the realization of our deferred tax assets based on all available evidence and establish a valuation allowance to reduce deferred tax assets when it is more likely than not that they will not be realized.
We recognize the financial statement effects of a tax position when it is more likely than not that, based on technical merits, the position will be sustained upon examination. The tax benefits of the position recognized in the financial statements are then measured based on the largest amount of benefit that is greater than 50% likely to be realized upon settlement with a taxing authority. In addition, we recognize interest and penalties related to unrecognized tax benefits as a component of the income tax provision.
Business Combinations
We include the results of operations of the businesses that we acquire as of the acquisition date. We allocate the purchase price of the acquisitions to the assets acquired and liabilities assumed based on their estimated fair values. The excess of the purchase price over the fair values of identifiable assets and liabilities is recorded as goodwill. Acquisition-related expenses are recognized separately from the business combination and are expensed as incurred.
Foreign Currency
Generally, the functional currency of our international subsidiaries is the local currency. We translate the financial statements of these subsidiaries to U.S. dollars using month-end exchange rates for assets and liabilities, and average rates for the annual period derived from month-end exchange rates for revenues, costs, and expenses. We record

translation gains and losses in accumulated other comprehensive income (AOCI) as a component of stockholders’ equity. We reflect net foreign exchange transaction gains and losses resulting from the conversion of the transaction currency to functional currency as a component of foreign currency exchange lossesgain (loss) in other income (expense), net.
Advertising and Promotional Expenses
We expense advertising and promotional costs in the period in which they are incurred. For the years ended December 31, 2015, 2016 and 2017, advertising and promotional expenses totaled approximately $3.2 billion, $3.9 billion, and $5.1 billion, respectively.
RecentRecently Adopted Accounting Pronouncements
Recently issued accounting pronouncements not yet adopted
In JanuaryJune 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update No. 2016-01 (ASU 2016-01) "Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities." ASU 2016-01 amends various aspects of the recognition, measurement, presentation, and disclosure of financial instruments. The most significant impact to our consolidated financial statements relates to the recognition and measurement of equity investments at fair value in our consolidated statements of income. We have elected to use the measurement alternative, defined as cost, less impairments, adjusted by observable price changes. We anticipate that the adoption of ASU 2016-01 will increase the volatility of our other income (expense), net, as a result of the remeasurement of our equity securities upon the occurrence of observable price changes and impairments. We will adopt ASU 2016-01 effective January 1, 2018.
In February 2016, the FASB issued Accounting Standards Update No. 2016-02 (Topic 842) "Leases." Topic 842 supersedes the lease recognition requirements in Accounting Standards Codification (ASC) Topic 840, "Leases." Under Topic 842, lessees are required to recognize assets and liabilities on the balance sheet for most leases and provide enhanced disclosures. Leases will continue to be classified as either finance or operating. As currently issued, entities are required to use a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements. There are additional optional practical expedients that an entity may elect to apply. We anticipate that the adoption of Topic 842 will materially affect our Consolidated Balance Sheets. We are in the process of implementing changes to our systems and processes in conjunction with our review of existing lease agreements. We will adopt Topic 842 effective January 1, 2019 and expect to elect certain available transitional practical expedients.
In June 2016, the FASB("FASB") issued Accounting Standards Update No. 2016-13 (ASU 2016-13)("ASU 2016-13") "Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments", which requires the measurement and recognition of expected credit losses for financial assets held at amortized cost. ASU 2016-13 replaces the existing incurred loss impairment model with an expected loss methodology,model which willrequires the use of forward-looking information to calculate credit loss estimates. It also eliminates the concept of other-than-temporary impairment and requires credit losses related to certain available-for-sale debt securities to be recorded through an allowance for credit losses rather than as a reduction in the amortized cost basis of the securities. These changes result in more timelyearlier recognition of credit losses. We adopted ASU 2016-13 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019. We are currently inusing the processmodified retrospective approach as of evaluating the impact of theJanuary 1, 2020. The cumulative effect upon adoption of ASU 2016-13 onwas not material to our consolidated financial statements.
In October 2016, See “Impairment of Investments” and "Accounts Receivable" above as well as Note 3 for the FASB issued Accounting Standards Update No. 2016-16 (ASU 2016-16) "Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory." ASU 2016-16 generally accelerates the recognition of income tax consequences for asset transfers between entities under common control. Entities are required to adopt using a modified retrospective approach with a cumulative adjustment to opening retained earnings in the year of adoption for previously unrecognized income tax expense. We anticipate a retained earnings adjustment of approximately $700 million upon adoption related to the unrecognized income tax effects of asset transfers that occurred prior to adoption. We will adopt ASU 2016-16 effective January 1, 2018.
In January 2017, the FASB issued Accounting Standards Update No. 2017-04 (ASU 2017-04) “Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminates step two of the goodwill impairment test and specifies that goodwill impairment should be measured by comparing the fair value of a reporting unit with its carrying amount. Additionally, the amount of goodwill allocated to each reporting unit with a zero or negative carrying amount of net assets should be disclosed. ASU 2017-04 is effective for annual or interim goodwill impairment tests performed in fiscal years beginning after December 15, 2019; early adoption is permitted. We currently do not anticipate that the adoption of ASU 2017-04 will have a material impacteffect on our consolidated financial statements.
Recently adopted accounting pronouncements
In May 2014, the FASB issued Accounting Standards Update No. 2014-09 (Topic 606) "Revenue from Contracts with Customers." Topic 606 supersedes the revenue recognition requirements in Topic 605 “Revenue

Recognition” (Topic 605), and requires entities to recognize revenues when control of the promised goods or services is transferred to customers at an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. We adopted Topic 606 as of January 1, 2017 using the modified retrospective transition method. See Note 2 for further details.
In January 2017, the FASB issued Accounting Standards Update No. 2017-01 (ASU 2017-01) “Business Combinations (Topic 805): Clarifying the Definition of a Business.” ASU 2017-01 provides guidance to evaluate whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. If substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single asset or a group of similar assets, the assets acquired (or disposed of) are not considered a business. We adopted ASU 2017-01 as of January 1, 2017 on a prospective basis and there was no material impact to our consolidated financial statements.
Prior Period Reclassifications
Certain amounts in prior periods have been reclassified to conform with current period presentation. See Note 15 for further details.

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Note 2. Revenues
Adoption of ASC Topic 606, "Revenue from Contracts with Customers"
On January 1, 2017, we adopted Topic 606 using the modified retrospective method applied to those contracts which were not completed as of January 1, 2017. Results for reporting periods beginning after January 1, 2017 are presented under Topic 606, while prior period amounts are not adjusted and continue to be reported in accordance with our historic accounting under Topic 605.
We recorded a net reduction to opening retained earnings of $15 million, net of tax, as of January 1, 2017 due to the cumulative impact of adopting Topic 606, with the impact primarily related to our non-advertising revenues. The impact to revenues as a result of applying Topic 606 was an increase of $34 million for the twelve months ended December 31, 2017.
Revenue Recognition
Revenues are recognized when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services.
The following table presents our revenues disaggregated by revenue sourcetype (in millions). Sales and usage-based taxes are excluded from revenues.
 Twelve Months Ended
 December 31,
 
2015(1)
 
2016(1)
 2017
Google properties$52,357
 $63,785
 $77,788
Google Network Members' properties15,033
 15,598
 17,587
Google advertising revenues67,390
 79,383
 95,375
Google other revenues7,154
 10,080
 14,277
Other Bets revenues445
 809
 1,203
Total revenues(2)
$74,989
 $90,272
 $110,855
(1)
As noted above, prior period amounts have not been adjusted under the modified retrospective method.
(2)
Revenues include hedging gains (losses) of $1.4 billion, $539 million, and $(169) million for the years ended December 31, 2015, 2016, and 2017, respectively, which do not represent revenues recognized from contracts with customers.

Year Ended December 31,
201820192020
Google Search & other$85,296 $98,115 $104,062 
YouTube ads11,155 15,149 19,772 
Google Network Members' properties20,010 21,547 23,090 
Google advertising116,461 134,811 146,924 
Google other14,063 17,014 21,711 
Google Services total130,524 151,825 168,635 
Google Cloud5,838 8,918 13,059 
Other Bets595 659 657 
Hedging gains (losses)(138)455 176 
Total revenues$136,819 $161,857 $182,527 
The following table presents our revenues disaggregated by geography, based on the billing addresses of our customers (in millions):
Year Ended December 31,
 201820192020
United States$63,269 46 %$74,843 46 %$85,014 47 %
EMEA(1)
44,739 33 50,645 31 55,370 30 
APAC(1)
21,341 15 26,928 17 32,550 18 
Other Americas(1)
7,608 8,986 9,417 
Hedging gains (losses)(138)455 176 
Total revenues$136,819 100 %$161,857 100 %$182,527 100 %
 Twelve Months Ended
 December 31,
 2015 2016 2017
United States$34,810
 $42,781
 $52,449
EMEA(1)
26,368
 30,304
 36,046
APAC(1)
9,887
 12,559
 16,235
Other Americas(1)
3,924
 4,628
 6,125
Total revenues(2)
$74,989
 $90,272
 $110,855
(1)
(1)Regions represent Europe, the Middle East, and Africa (EMEA); Asia-Pacific (APAC); and Canada and Latin America (Other Americas).
(2)
Revenues include hedging gains (losses) for the the years ended December 31, 2015, 2016, and 2017.
Advertising Revenues
We generate revenues primarily by delivering advertising on Google properties and Google Network Members’ properties.
Google properties revenues consist primarily of advertising revenues generated on Google.com, the Google Search app,Africa ("EMEA"); Asia-Pacific ("APAC"); and other Google ownedCanada and operated properties like Gmail, Google Maps, Google Play, and YouTube.
Google Network Members’ properties revenues consist primarily of advertising revenues generated on Google Network Members’ properties.
Our customers generally purchase advertising inventory through AdWords, DoubleClick AdExchange, and DoubleClick Bid Manager, among others.
Most of our customers pay us on a cost-per-click basis (CPC), which means that an advertiser pays us only when a user clicks on an ad on Google properties or Google Network Members' properties or views certain YouTube engagement ads. For these customers, we recognize revenue each time a user clicks on the ad or when a user views the ad for a specified period of time.
We also offer advertising on other bases such as cost-per-impression (CPM), which means an advertiser pays us based on the number of times their ads are displayed on Google properties or Google Network Members’ properties. For these customers, we recognize revenue each time an ad is displayed.
Certain customers may receive cash-based incentives or credits, which are accounted for as variable consideration. We estimate these amounts based on the expected amount to be provided to customers and reduce revenues recognized. We believe that there will not be significant changes to our estimates of variable consideration.
For ads placed on Google Network Members’ properties, we evaluate whether we are the principal (i.e., report revenues on a gross basis) or agent (i.e., report revenues on a net basis). Generally, we report advertising revenues for ads placed on Google Network Members’ properties on a gross basis, that is, the amounts billed to our customers are recorded as revenues, and amounts paid to Google Network Members are recorded as cost of revenues. Where we are the principal, we control the advertising inventory before it is transferred to our customers. Our control is evidenced by our sole ability to monetize the advertising inventory before it is transferred to our customers, and is further supported by us being primarily responsible to our customers and having a level of discretion in establishing pricing.
Latin America ("Other Revenues
Google other revenues and Other Bets revenues consist primarily of revenues from:
Apps, in-app purchases, and digital content in the Google Play store;
Google Cloud offerings;
Hardware; and
Other miscellaneous products and services.
As it relates to Google other revenues, the most significant judgment is determining whether we are the principal or agent for app sales and in-app purchases through the Google Play store. We report revenues from these transactions on a net basis because our performance obligation is to facilitate a transaction between app developers and end users,

for which we earn a commission. Consequently, the portion of the gross amount billed to end users that is remitted to app developers is not reflected as revenues.
Arrangements with Multiple Performance Obligations
Our contracts with customers may include multiple performance obligations. For such arrangements, we allocate revenues to each performance obligation based on its relative standalone selling price. We generally determine standalone selling prices based on the prices charged to customers or using expected cost plus margin.Americas").
Deferred Revenues and Remaining Performance Obligations
We record deferred revenues when cash payments are received or due in advance of our performance, including amounts which are refundable. The increase in theDeferred revenues primarily relate to Google Cloud and Google other. Our total deferred revenue balance for the twelve months ended December 31, 2017 is primarily driven by cash payments received or due in advance of satisfying our performance obligations, offset by $985 million of revenues recognized that were included in the deferred revenue balance as of December 31, 2016.2019 was $2.3 billion, of which $1.8 billion was recognized as revenues for the year ending December 31, 2020.
Our payment terms vary by the type and location of our customer and the products or services offered. The term between invoicing and when payment is due is not significant. For certain products or services and customer types,Additionally, we require payment before the products or services are delivered to the customer.
Practical Expedients and Exemptions
We generally expense sales commissions when incurred because the amortization period would have been one year or less. These costs are recorded within sales and marketing expenses.
We do not disclose the value of unsatisfied performance obligations associated with commitments in customer contracts, primarily related to Google Cloud, for future services that have not yet been recognized as revenues, also referred to as remaining performance obligations. Remaining performance obligations include related deferred revenue currently recorded as well as amounts that will be invoiced in future periods, and excludes (i) contracts with an original expected lengthterm of one year or less, (ii) cancellable contracts, and (ii)(iii) contracts for which we recognize revenue at the amount to which we have the right to invoice for services performed. As of December 31, 2020, the amount not yet recognized as revenues from these commitmentsis $29.8 billion. We expect to recognize approximately half over the next24 months with the remaining thereafter. However, the amount and timing of revenue recognition is largely driven by when the customer utilizes the services and our ability to deliver in accordance with relevant contract terms, which could impact our estimate of the remaining performance obligations and when we expect to recognize such as revenues.

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Note 3. Financial Instruments
Debt Securities
We classify our cash equivalents and marketable debt securities, which are accounted for as available-for-sale, within Level 1 or Level 2 in the fair value hierarchy because we use quoted market prices to the extent available or alternative pricing sources and models utilizing market observable inputs to determine their fair value. We classify our foreign currency and interest rate derivative contracts primarily within Level 2 in
For certain marketable debt securities, we have elected the fair value hierarchyoption for which changes in fair value are recorded in other income (expense), net. The fair value option was elected for these securities to align with the unrealized gains and losses from related derivative contracts. Unrealized net gains related to debt securities still held where we have elected the fair value option were $87 million as of December 31, 2020. As of December 31, 2020, the valuation inputs are based on quoted prices and market observable datafair value of similar instruments.

Cash, Cash Equivalents, and Marketable Securitiesthese debt securities was $2 billion. Balances as of December 31, 2019 were not material.
 The following tables summarize our cash, cash equivalents and marketabledebt securities, for which we did not elect the fair value option, by significant investment categories as of December 31, 20162019 and 20172020 (in millions):
 As of December 31, 2019
 Adjusted
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Cash and
Cash
Equivalents
Marketable
Securities
Level 2:
Time deposits(1)
$2,294 $$$2,294 $2,294 $
Government bonds55,033 434 (30)55,437 4,518 50,919 
Corporate debt securities27,164 337 (3)27,498 44 27,454 
Mortgage-backed and asset-backed securities19,453 96 (41)19,508 19,508 
Total$103,944 $867 $(74)$104,737 $6,856 $97,881 
 As of December 31, 2016
 
Adjusted
Cost
 
Gross
Unrealized
Gains
 Gross
Unrealized
Losses
 Fair
Value
 Cash and
Cash
Equivalents
 Marketable
Securities
Cash$7,078
 $0
 $0
 $7,078
 $7,078
 $0
Level 1:           
Money market and other funds4,783
 0
 0
 4,783
 4,783
 0
U.S. government notes38,454
 46
 (215) 38,285
 613
 37,672
Marketable equity securities160
 133
 0
 293
 0
 293
 43,397
 179
 (215) 43,361
 5,396
 37,965
Level 2:           
Time deposits(1)
142
 0
 0
 142
 140
 2
Mutual funds(2)
204
 7
 0
 211
 0
 211
U.S. government agencies1,826
 0
 (11) 1,815
 300
 1,515
Foreign government bonds2,345
 18
 (7) 2,356
 0
 2,356
Municipal securities4,757
 15
 (65) 4,707
 2
 4,705
Corporate debt securities12,993
 114
 (116) 12,991
 2
 12,989
Mortgage-backed securities12,006
 26
 (216) 11,816
 0
 11,816
Asset-backed securities1,855
 2
 (1) 1,856
 0
 1,856
 36,128
 182
 (416) 35,894
 444
 35,450
Total$86,603
 $361
 $(631) $86,333
 $12,918
 $73,415

 As of December 31, 2020
 Adjusted
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Cash and
Cash
Equivalents
Marketable
Securities
Level 2:
Time deposits(1)
$3,564 $$$3,564 $3,564 $
Government bonds55,156 793 (9)55,940 2,527 53,413 
Corporate debt securities31,521 704 (2)32,223 32,215 
Mortgage-backed and asset-backed securities16,767 364 (7)17,124 17,124 
Total$107,008 $1,861 $(18)$108,851 $6,099 $102,752 
 As of December 31, 2017
 
Adjusted
Cost
 
Gross
Unrealized
Gains
 Gross
Unrealized
Losses
 Fair
Value
 
Cash and
Cash
Equivalents
 Marketable
Securities
Cash$7,158
 $0
 $0
 $7,158
 $7,158
 $0
Level 1:           
Money market and other funds1,833
 0
 0
 1,833
 1,833
 0
U.S. government notes37,256
 2
 (310) 36,948
 1,241
 35,707
Marketable equity securities242
 100
 (2) 340
 0
 340
 39,331
 102
 (312) 39,121
 3,074
 36,047
Level 2:           
Time deposits(1)
359
 0
 0
 359
 357
 2
Mutual funds(2)
232
 20
 0
 252
 0
 252
U.S. government agencies3,713
 0
 (29) 3,684
 0
 3,684
Foreign government bonds2,948
 6
 (14) 2,940
 0
 2,940
Municipal securities7,631
 2
 (53) 7,580
 0
 7,580
Corporate debt securities24,269
 21
 (135) 24,155
 126
 24,029
Mortgage-backed securities11,157
 9
 (163) 11,003
 0
 11,003
Asset-backed securities5,632
 4
 (17) 5,619
 0
 5,619
 55,941
 62
 (411) 55,592
 483
 55,109
Total$102,430
 $164
 $(723) $101,871
 $10,715
 $91,156
(1)The majority of our time deposits are domestic deposits.
(1)
The majority of our time deposits are foreign deposits.
(2)
The fair value option was elected for mutual funds with gains (losses) recognized in other income (expense), net.
We determine realized gains or losses on the sale or extinguishment of marketabledebt securities on a specific identification method. We recognized gross realized gains of $357 million, $272$1.3 billion, $292 million, and $207$899 million for the years ended December 31, 2015, 2016,2018, 2019, and 2017,2020, respectively. We recognized gross realized losses of $565$143 million, $482$143 million, and $287$184 million

for the years ended December 31, 2015, 2016,2018, 2019, and 2017,2020, respectively. We reflect these gains and losses as a component of other income (expense), net, in the Consolidated Statements of Income.net.
The following table summarizes the estimated fair value of our investments in marketable debt securities accounted for as available-for-sale securities and classified by thestated contractual maturity date of the securitiesdates (in millions):
As of
December 31, 2020
Due in 1 year or less$19,795 
Due in 1 year through 5 years69,228 
Due in 5 years through 10 years2,739 
Due after 10 years13,038 
Total$104,800 
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 As of
December 31, 2017
Due in 1 year$19,486
Due in 1 year through 5 years56,056
Due in 5 years through 10 years2,676
Due after 10 years12,346
Total$90,564
Impairment Considerations for Marketable Investments
Alphabet Inc.
The following tables present fair values and gross unrealized losses and fair values for those investments that were in an unrealized loss positionrecorded to AOCI as of December 31, 20162019 and 2017,2020, aggregated by investment category and the length of time that individual securities have been in a continuous loss position (in millions):
 As of December 31, 2019
 Less than 12 Months12 Months or GreaterTotal
 Fair ValueUnrealized
Loss
Fair ValueUnrealized
Loss
Fair ValueUnrealized
Loss
Government bonds$6,752 $(20)$4,590 $(10)$11,342 $(30)
Corporate debt securities1,665 (2)978 (1)2,643 (3)
Mortgage-backed and asset-backed securities4,536 (13)2,835 (28)7,371 (41)
Total$12,953 $(35)$8,403 $(39)$21,356 $(74)
  As of December 31, 2016
  Less than 12 Months 12 Months or Greater Total
  Fair Value Unrealized
Loss
 Fair Value Unrealized
Loss
 Fair Value Unrealized
Loss
U.S. government notes $26,411
 $(215) $0
 $0
 $26,411
 $(215)
U.S. government agencies 1,014
 (11) 0
 0
 1,014
 (11)
Foreign government bonds 956
 (7) 0
 0
 956
 (7)
Municipal securities 3,461
 (63) 46
 (2) 3,507
 (65)
Corporate debt securities 6,184
 (111) 166
 (5) 6,350
 (116)
Mortgage-backed securities 10,184
 (206) 259
 (10) 10,443
 (216)
Asset-backed securities 391
 (1) 0
 0
 391
 (1)
Total $48,601
 $(614) $471
 $(17) $49,072
 $(631)

  As of December 31, 2017
  Less than 12 Months 12 Months or Greater Total
  Fair Value 
Unrealized
Loss
 Fair Value 
Unrealized
Loss
 Fair Value Unrealized
Loss
U.S. government notes $18,325
 $(134) $16,136
 $(176) $34,461
 $(310)
U.S. government agencies 2,913
 (22) 767
 (7) 3,680
 (29)
Foreign government bonds 1,932
 (8) 342
 (6) 2,274
 (14)
Municipal securities 5,666
 (47) 415
 (6) 6,081
 (53)
Corporate debt securities 18,300
 (114) 1,710
 (21) 20,010
 (135)
Mortgage-backed securities 7,261
 (89) 3,314
 (74) 10,575
 (163)
Asset-backed securities 3,800
 (16) 135
 (1) 3,935
 (17)
Marketable equity securities 39
 (2) 0
 0
 39
 (2)
Total $58,236
 $(432) $22,819
 $(291) $81,055
 $(723)
 As of December 31, 2020
 Less than 12 Months12 Months or GreaterTotal
 Fair ValueUnrealized
Loss
Fair ValueUnrealized
Loss
Fair ValueUnrealized
Loss
Government bonds$5,516 $(9)$$$5,519 $(9)
Corporate debt securities1,999 (1)1,999 (1)
Mortgage-backed and asset-backed securities929 (5)242 (2)1,171 (7)
Total$8,444 $(15)$245 $(2)$8,689 $(17)
During the years ended December 31, 20162018, and 2017, there were no2019 we did 0t recognize any significant other-than-temporary impairment losses. During the year ended December 31, 2015,2020, with the adoption of ASU 2016-13, we recognized $281 million of other-than-temporary impairmentdid not recognize significant credit losses related toand the ending allowance for credit losses was immaterial. See Note 7 for further details on other income (expense), net.
Equity Investments
The following discusses our marketable equity securities, non-marketable equity securities, gains and fixed-income bond funds. Those losses on marketable and non-marketable equity securities, as well as our equity securities accounted for under the equity method.
Our marketable equity securities are includedpublicly traded stocks or funds measured at fair value and classified within Level 1 and 2 in the fair value hierarchy because we use quoted prices for identical assets in active markets or inputs that are based upon quoted prices for similar instruments in active markets.
Our non-marketable equity securities are investments in privately held companies without readily determinable market values. The carrying value of our non-marketable equity securities is adjusted to fair value for observable transactions for identical or similar investments of the same issuer or impairment (referred to as the measurement alternative). Non-marketable equity securities that have been remeasured during the period based on observable transactions are classified within Level 2 or Level 3 in the fair value hierarchy because we estimate the value based on valuation methods which may include a combination of the observable transaction price at the transaction date and other unobservable inputs including volatility, rights, and obligations of the securities we hold. The fair value of non-marketable equity securities that have been remeasured due to impairment are classified within Level 3.
Gains and losses on marketable and non-marketable equity securities
Gains and losses reflected in other income (expense), net, for our marketable and non-marketable equity securities are summarized below (in millions):
Year Ended December 31,
 20192020
Net gain (loss) on equity securities sold during the period$(301)$1,339 
Net unrealized gain (loss) on equity securities held as of the end of the period2,950 4,253 
Total gain (loss) recognized in other income (expense), net$2,649 $5,592 

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In the table above, net gain (loss) on equity securities sold during the period reflects the difference between the sale proceeds and the carrying value of the equity securities at the beginning of the period or the purchase date, if later. 
Cumulative net gains (losses) on equity securities sold during the period, which is summarized in the following table (in millions), represents the total net gains (losses) recognized after the initial purchase date of the equity security. While these net gains may have been reflected in periods prior to the period of sale, we believe they are important supplemental information as they reflect the economic realized net gains on the securities sold during the period. Cumulative net gains are calculated as the difference between the sale price and the initial purchase price for the equity security sold during the period.
Equity Securities Sold During the Year Ended December 31,
 20192020
Total sale price$3,134 $4,767 
Total initial cost858 2,674 
Cumulative net gains (losses)$2,276 $2,093 
Carrying value of marketable and non-marketable equity securities
The carrying value is measured as the total initial cost plus the cumulative net gain (loss). The carrying values for our marketable and non-marketable equity securities are summarized below (in millions):
As of December 31, 2019
Marketable Equity SecuritiesNon-Marketable Equity SecuritiesTotal
Total initial cost$1,935 $8,297 $10,232 
Cumulative net gain (loss)(1)
1,361 3,056 4,417 
Carrying value$3,296 $11,353 $14,649 
(1)Non-marketable equity securities cumulative net gain (loss) is comprised of $3.5 billion unrealized gains and $445 million unrealized losses (including impairment).
As of December 31, 2020
Marketable Equity SecuritiesNon-Marketable Equity SecuritiesTotal
Total initial cost$2,227 $14,616 $16,843 
Cumulative net gain (loss)(1)
3,631 4,277 7,908 
Carrying value(2)
$5,858 $18,893 $24,751 
(1)Non-marketable equity securities cumulative net gain (loss) is comprised of $6.1 billion unrealized gains and $1.9 billion unrealized losses (including impairment).
(2)The long-term portion of marketable equity securities of $429 million is included in other non-current assets.

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Marketable equity securities
The following table summarizes marketable equity securities measured at fair value by significant investment categories as of December 31, 2019 and 2020 (in millions):
 As of December 31, 2019As of December 31, 2020
 Cash and Cash EquivalentsMarketable Equity
Securities
Cash and Cash EquivalentsMarketable Equity
Securities
Level 1:
Money market funds$4,604 $$12,210 $
Marketable equity securities(1)(2)
3,046 5,470 
4,604 3,046 12,210 5,470 
Level 2:
Mutual funds250 388 
Total$4,604 $3,296 $12,210 $5,858 
(1)The balance as of December 31, 2019 and 2020 includes investments that were reclassified from non-marketable equity securities following the commencement of public market trading of the issuers or acquisition by public entities. As of December 31, 2020 certain investments are subject to short-term lock-up restrictions.
(2)As of December 31, 2020 the long-term portion of marketable equity securities of $429 million is included within other non-current assets.
Non-marketable equity securities
The following is a summary of unrealized gains and losses recorded in other income (expense), net, and included as adjustments to the carrying value of non-marketable equity securities (in millions):
Year Ended December 31,
20192020
Unrealized gains$2,163 $3,020 
Unrealized losses (including impairment)(372)(1,489)
Total unrealized gain (loss) for non-marketable equity securities$1,791 $1,531 
During the year ended December 31, 2020, included in the $18.9 billion of non-marketable equity securities, $9.7 billion were measured at fair value resulting in a net unrealized gain of $1.5 billion.
Equity securities accounted for under the Equity Method
As of December 31, 2019 and 2020, equity securities accounted for under the equity method had a carrying value of approximately $1.3 billion and $1.4 billion, respectively. Our share of gains and losses including impairment are included as a component of other income (expense), net, in the Consolidated Statements of Income. See Note 7 for further details on other income (expense), net.
Derivative Financial Instruments
We enter into derivative instruments to manage risks relating to our ongoing business operations. The primary risk managed with derivative instruments is foreign exchange risk. We use foreign currency contracts to reduce the risk that our cash flows, earnings, and investment in foreign subsidiaries will be adversely affected by foreign currency exchange rate fluctuations. We also enter into derivative instruments to partially offset our exposure to other risks and enhance investment returns.
We recognize derivative instruments as either assets or liabilities in the Consolidated Balance Sheets at fair value.value and classify the derivatives primarily within Level 2 in the fair value hierarchy. We present our collar contracts (an option strategy comprised of a combination of purchased and written options) at net fair values where both the purchased and written options are with the same counterparty. For other derivative contracts, we present at gross fair values. We primarily record changes in the fair value (i.e., gains or losses) of the derivatives in the Consolidated Statements of

Income as either other income (expense), net, or revenues, or in the Consolidated Balance Sheets in accumulated other comprehensive income (AOCI),AOCI, as discussed below.
We enter into foreign currency contracts with financial institutions to reduce the risk that our cash flows and earnings will be adversely affected by foreign currency exchange rate fluctuations. We also use interest rate derivative contracts to hedge interest rate exposures on our fixed income securities and debt issuances. Our program is not used for trading or speculative purposes.
We enter into master netting arrangements, which reduce credit risk by permitting net settlement of transactions with the same counterparty. To further reduce credit risk,Further, we enter into collateral security arrangements under which the counterparty is requiredthat provide for collateral to provide collateralbe received or pledged when the net fair value of certain financial instruments fluctuates from contractually established thresholds. We can take possession of theCash collateral in the event of counterparty default. As of December 31, 2016 and 2017, we received cash collateral related to the derivative instruments under our collateral security arrangements of $362 millionare included in other current assets with a corresponding liability. Cash and $15 million, respectively.non-cash
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collateral pledged related to derivative instruments under our collateral security arrangements are included in other current assets.
Cash Flow Hedges
We usedesignate foreign currency forwardsforward and option contracts including collars (an option strategy comprised of a combination of purchased and written options), designated(including collars) as cash flow hedges to hedge certain forecasted revenue transactions denominated in currencies other than the U.S. dollar and at times we use interest rate swaps to effectively lock interest rates on anticipated debt issuances. These transactions are designated as cash flow hedges. The notional principal of these contracts was approximately $10.7 billion and $11.7 billion as of December 31, 2016 and 2017, respectively.dollar. These contracts have maturities of 2 years24 months or less.
We reflect the gains or losses on the effective portion of a cashCash flow hedge as a componentamounts included in the assessment of hedge effectiveness are deferred in AOCI and subsequently reclassify cumulative gains and lossesreclassified to revenues or interest expenserevenue when the hedged transactions are recorded.item is recognized in earnings. We exclude the change in forward points and time value from our assessment of hedge effectiveness. The initial value of the excluded component is amortized on a straight-line basis over the life of the hedging instrument and recognized in revenues. The difference between fair value changes of the excluded component and the amount amortized to revenues is recorded in AOCI. If the hedged transactions become probable of not occurring, the corresponding amounts in AOCI are immediately reclassified to other income (expense), net. For foreign currency collars, we include the change in time value in our assessment of hedge effectiveness. For other foreign currency options and forward contracts, we exclude the changenet in the forward points and time value from our assessmentperiod of hedge effectiveness. We recognize changes of the excluded components in other income (expense), net.de-designation.
As of December 31, 2017,2020, the effective portion ofnet accumulated loss on our foreign currency cash flow hedges before tax effect was a net accumulated loss of $187$124 million, of which a net loss of $219 million is expected to be reclassified from AOCI into earnings within the next 12 months.
Fair Value Hedges
We usedesignate foreign currency forward contracts designated as fair value hedges to hedge foreign currency risks for our investments denominated in currencies other than the U.S. dollar. We exclude changesFair value hedge amounts included in forward points for forward contracts from the assessment of hedge effectiveness. The notional principal of these contracts was $2.4 billion and $2.9 billion as of December 31, 2016 and 2017, respectively.
Gains and losses on these forward contractseffectiveness are recognized in other income (expense), net, along with the offsetting gains and losses of the related hedged items. We exclude changes in forward points from the assessment of hedge effectiveness and recognize changes in the excluded component in other income (expense), net.
Net Investment Hedges
We designate foreign currency forward contracts as net investment hedges to hedge the foreign currency risks related to our investment in foreign subsidiaries. Net investment hedge amounts included in the assessment of hedge effectiveness are recognized in AOCI along with the foreign currency translation adjustment. We exclude changes in forward points from the assessment of hedge effectiveness and recognize changes in the excluded component in other income (expense), net.
Other Derivatives
Other derivatives not designated as hedging instruments consist primarily of foreign currency forward contracts that we use to hedge intercompany transactions and other monetary assets or liabilities denominated in currencies other than the localfunctional currency of a subsidiary. We recognize gainsGains and losses on these contracts, as well as the related costs, are recognized in other income (expense), net, along with the foreign currency gains and losses on monetary assets and liabilities.
We also use derivatives not designated as hedging instruments to manage risks relating to interest rates, equity and commodity prices, credit exposures and to enhance investment returns.
The gross notional principalamounts of theour outstanding foreign exchange contracts was $7.9 billion and $15.2 billionderivative instruments were as of December 31, 2016 and 2017, respectively.follows (in millions):

As of December 31, 2019As of December 31, 2020
Derivatives Designated as Hedging Instruments:
Foreign exchange contracts
    Cash flow hedges$13,207 $10,187 
    Fair value hedges$455 $1,569 
    Net investment hedges$9,318 $9,965 
Derivatives Not Designated as Hedging Instruments:
Foreign exchange contracts$43,497 $39,861 
Other contracts$117 $2,399 

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The fair values of our outstanding derivative instruments were as follows (in millions):
  As of December 31, 2019
  
Balance Sheet LocationFair Value of
Derivatives
Designated as
Hedging Instruments
Fair Value of
Derivatives Not
Designated as
Hedging Instruments
Total Fair
Value
Derivative Assets:
Level 2:
Foreign exchange contractsOther current and non-current assets$91 $253 $344 
Other contractsOther current and non-current assets
Total$91 $254 $345 
Derivative Liabilities:
Level 2:
Foreign exchange contractsAccrued expenses and other liabilities, current and non-current$173 $196 $369 
Other contractsAccrued expenses and other liabilities, current and non-current13 13 
Total$173 $209 $382 

  As of December 31, 2020
  
Balance Sheet LocationFair Value of
Derivatives
Designated as
Hedging Instruments
Fair Value of
Derivatives Not
Designated as
Hedging Instruments
Total Fair
Value
Derivative Assets:
Level 2:
Foreign exchange contractsOther current and non-current assets$33 $316 $349 
Other contractsOther current and non-current assets16 16 
Total$33 $332 $365 
Derivative Liabilities:
Level 2:
Foreign exchange contractsAccrued expenses and other liabilities, current and non-current$395 $185 $580 
Other contractsAccrued expenses and other liabilities, current and non-current942 942 
Total$395 $1,127 $1,522 
72
    As of December 31, 2016
  
 Balance Sheet Location Fair Value of
Derivatives
Designated as
Hedging Instruments
 Fair Value of
Derivatives Not
Designated as
Hedging Instruments
 Total Fair
Value
Derivative Assets:        
Level 2:        
Foreign exchange contracts Other current and non-current assets $539
 $57
 $596
Total   $539
 $57
 $596
Derivative Liabilities:        
Level 2:        
Foreign exchange contracts Accrued expenses and other liabilities, current and non-current $4
 $9
 $13
Total   $4
 $9
 $13

    As of December 31, 2017
  
 Balance Sheet Location Fair Value of
Derivatives
Designated as
Hedging Instruments
 Fair Value of
Derivatives Not
Designated as
Hedging Instruments
 Total Fair
Value
Derivative Assets:        
Level 2:        
Foreign exchange contracts Other current and non-current assets $51
 $29
 $80
Total   $51
 $29
 $80
Derivative Liabilities:        
Level 2:        
Foreign exchange contracts Accrued expenses and other liabilities, current and non-current $230
 $122
 $352
Total   $230
 $122
 $352
Alphabet Inc.
The effect of derivative instrumentsgains (losses) on derivatives in cash flow hedging and net investment hedging relationships on income andrecognized in other comprehensive income (OCI) is("OCI") are summarized below (in millions):
 Gains (Losses) Recognized in OCI
on Derivatives Before Tax Effect
 Year Ended December 31,
201820192020
Derivatives in Cash Flow Hedging Relationship:
Foreign exchange contracts
Amount included in the assessment of effectiveness$332 $38 $102 
Amount excluded from the assessment of effectiveness26 (14)(37)
Derivatives in Net Investment Hedging Relationship:
Foreign exchange contracts
Amount included in the assessment of effectiveness136 131 (851)
Total$494 $155 $(786)
  
Gains (Losses) Recognized in OCI
on Derivatives Before Tax Effect (Effective Portion)
  Year Ended December 31,
Derivatives in Cash Flow Hedging Relationship 2015 2016 2017
Foreign exchange contracts $964
 $773
 $(955)
  Gains (Losses) Reclassified from AOCI into Income (Effective Portion)
    Year Ended December 31,
Derivatives in Cash Flow Hedging Relationship Location 2015 2016 2017
Foreign exchange contracts Revenues $1,399
 $539
 $(169)
Interest rate contracts Other income (expense), net 5
 5
 5
Total   $1,404
 $544
 $(164)


73


  
Gains (Losses) Recognized in Income on Derivatives (Amount
Excluded from  Effectiveness Testing and Ineffective Portion) (1)
    Year Ended December 31,
Derivatives in Cash Flow Hedging Relationship Location 2015 2016 2017
Foreign exchange contracts Other income (expense), net $(297) $(381) $83
Gains (losses) related to the ineffective portion of the hedges were not material in all periods presented.Alphabet Inc.
The effect of derivative instruments in fair value hedging relationships on income is summarized below (in millions):
  
Gains (Losses) Recognized in Income on Derivatives(2)
    Year Ended December 31,
Derivatives in Fair Value Hedging Relationship Location 2015 2016 2017
Foreign Exchange Hedges:        
Foreign exchange contracts Other income (expense), net $170
 $145
 $(174)
Hedged item Other income (expense), net (176) (139) 197
Total   $(6) $6
 $23
(2)
Amounts excluded from effectiveness testing and the ineffective portion of the fair value hedging relationships were not material in all periods presented.
The effect of derivative instruments not designated as hedging instruments on income is summarized below (in millions):
 Gains (Losses) Recognized in Income
Year Ended December 31,
201820192020
RevenuesOther income (expense), netRevenuesOther income (expense), netRevenuesOther income (expense), net
Total amounts presented in the Consolidated Statements of Income in which the effects of cash flow and fair value hedges are recorded$136,819 $7,389 $161,857 $5,394 $182,527 $6,858 
Gains (Losses) on Derivatives in Cash Flow Hedging Relationship:
Foreign exchange contracts
Amount of gains (losses) reclassified from AOCI to income$(139)$$367 $$144 $
Amount excluded from the assessment of effectiveness recognized in earnings based on an amortization approach88 33 
Gains (Losses) on Derivatives in Fair Value Hedging Relationship:
Foreign exchange contracts
Hedged items(96)(19)18 
Derivatives designated as hedging instruments96 19 (18)
Amount excluded from the assessment of effectiveness37 25 
Gains (Losses) on Derivatives in Net Investment Hedging Relationship:
Foreign exchange contracts
Amount excluded from the assessment of effectiveness78 243 151 
Gains (Losses) on Derivatives Not Designated as Hedging Instruments:
Foreign exchange contracts54 0(413)718 
Other Contracts(906)
Total gains (losses)$(138)$169 $455 $(145)$177 $(33)
  Gains (Losses) Recognized in Income on Derivatives
    Year Ended December 31,
Derivatives Not Designated As Hedging Instruments Location 2015 2016 2017
Foreign exchange contracts Other income (expense), net $198
 $130
 $(230)

Offsetting of Derivatives
We presentThe gross amounts of our forwards and purchased options at gross fair values in the Consolidated Balance Sheets. For foreign currency collars, we present at net fair values where both purchased and written options are with the same counterparty. Ourderivative instruments subject to master netting arrangements with various counterparties, and other similar arrangements allow net settlementscash and non-cash collateral received and pledged under certain conditions. As of December 31, 2016 and 2017, information related to these offsetting arrangementssuch agreements were as follows (in millions):

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Alphabet Inc.
Offsetting of Assets
As of December 31, 2019
Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset
Gross Amounts of Recognized AssetsGross Amounts Offset in the Consolidated Balance SheetsNet Presented in the Consolidated Balance SheetsFinancial Instruments Cash Collateral ReceivedNon-Cash Collateral ReceivedNet Assets Exposed
Derivatives$366 $(21)$345 $(88)(1)$(234)$$23 
As of December 31, 2020
Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset
Gross Amounts of Recognized AssetsGross Amounts Offset in the Consolidated Balance SheetsNet Presented in the Consolidated Balance SheetsFinancial InstrumentsCash Collateral ReceivedNon-Cash Collateral ReceivedNet Assets Exposed
Derivatives$397 $(32)$365 $(295)(1)$(16)$$54 
 As of December 31, 2016
       Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset  
 Gross Amounts of Recognized Assets Gross Amounts Offset in the Consolidated Balance Sheets Net Presented in the Consolidated Balance Sheets Financial Instruments  Cash Collateral Received Non-Cash Collateral Received Net Assets Exposed
Derivatives$596
 $0
 $596
 $(11)
(1) 
$(337) $(73) $175
              
 As of December 31, 2017
       Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset  
 Gross Amounts of Recognized Assets Gross Amounts Offset in the Consolidated Balance Sheets Net Presented in the Consolidated Balance Sheets Financial Instruments Cash Collateral Received Non-Cash Collateral Received Net Assets Exposed
Derivatives$102
 $(22) $80
 $(64)
(1) 
$(4) $(2) $10
(1)
The balances as of December 31, 2016 and 2017 were related to derivative liabilities which are allowed to be net settled against derivative assets in accordance with our master netting agreements.

(1)    The balances as of December 31, 2019 and 2020 were related to derivative liabilities which are allowed to be net settled against derivative assets in accordance with our master netting agreements.
Offsetting of Liabilities
As of December 31, 2019
Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset
Gross Amounts of Recognized LiabilitiesGross Amounts Offset in the Consolidated Balance SheetsNet Presented in the Consolidated Balance SheetsFinancial Instruments Cash Collateral PledgedNon-Cash Collateral PledgedNet Liabilities
Derivatives$403 $(21)$382 $(88)(2)$$$294 
As of December 31, 2020
Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset
Gross Amounts of Recognized LiabilitiesGross Amounts Offset in the Consolidated Balance SheetsNet Presented in the Consolidated Balance SheetsFinancial Instruments Cash Collateral PledgedNon-Cash Collateral PledgedNet Liabilities
Derivatives$1,554 $(32)$1,522 $(295)(2)$(1)$(943)$283 
(2)    The balances as of December 31, 2019 and 2020 were related to derivative assets which are allowed to be net settled against derivative liabilities in accordance with our master netting agreements.
Note 4. Leases
We have entered into operating and finance lease agreements primarily for data centers, land and offices throughout the world with lease periods expiring between 2021 and 2063.
Components of operating lease expense were as follows (in millions):
Year Ended December 31,
20192020
Operating lease cost$1,820 $2,267 
Variable lease cost541 619 
Total operating lease cost$2,361 $2,886 
75

 As of December 31, 2016
       Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset  
 Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Consolidated Balance Sheets Net Presented in the Consolidated Balance Sheets Financial Instruments  Cash Collateral Pledged Non-Cash Collateral Pledged Net Liabilities
Derivatives$13
 $0
 $13
 $(11)
(2) 
$0
 $0
 $2
              
 As of December 31, 2017
       Gross Amounts Not Offset in the Consolidated Balance Sheets, but Have Legal Rights to Offset 
 Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Consolidated Balance Sheets Net Presented in the Consolidated Balance Sheets Financial Instruments  Cash Collateral Pledged Non-Cash Collateral Pledged Net Liabilities
Derivatives$374
 $(22) $352
 $(64)
(2) 
$0
 $0
 $288
The balances as of December 31, 2016 and 2017 were related to derivative assets which are allowed to be net settled against derivative liabilities in accordance with our master netting agreements.Alphabet Inc.
Note 4. Non-Marketable InvestmentsSupplemental information related to operating leases is as follows (in millions):
Our non-marketable investments include non-marketable equity investments and non-marketable debt securities.
Year Ended December 31,
20192020
Cash payments for operating leases$1,661 $2,004 
New operating lease assets obtained in exchange for operating lease liabilities$4,391 $2,765 
Non-Marketable Equity Investments
Our non-marketable equity investments are investments in privately-held companies accounted for under the equity or cost method and are not required to be consolidated under the variable interest or voting models. As of December 31, 2016 and 2017, investments accounted for under the equity method2020, our operating leases had a carrying valueweighted average remaining lease term of approximately $1.7 billion9 years and $1.4 billion, respectively. Our sharea weighted average discount rate of gains and losses in equity method investments including impairment was a net loss2.6%. Future lease payments under operating leases as of $227 million, $202 million, and $156 million for the years ended December 31, 2015, 2016, and 2017, respectively. 2020 were as follows (in millions):
2021$2,198 
20222,170 
20231,995 
20241,738 
20251,389 
Thereafter5,601 
Total future lease payments15,091 
Less imputed interest(2,251)
Total lease liability balance$12,840 
As of December 31, 2016 and 2017, investments accounted for under the cost method had a carrying value2020, we have entered into leases that have not yet commenced with future lease payments of $3.0$8.0 billion, and $4.5 billion, respectively, and a fair value of approximately $8.1 billion and $8.8 billion, respectively. The fair value of the cost method investments are primarily determined from data leveraging private-market transactions and are classified within Level 3 in the fair value hierarchy. We reflect our share of equity

method investee earnings and losses and impairments of non-marketable equity investments as a component of other income (expense), net, in the Consolidated Statements of Income.
Non-Marketable Debt Securities
Our non-marketable debt securities are primarily preferred stockexcluding purchase options, that are redeemable atnot yet recorded on our optionConsolidated Balance Sheets. These leases will commence between 2021 and convertible notes issued by private companies and measured at fair value as available for sale debt securities. The cost2026 with non-cancelable lease terms of these securities was $1.1 billion as of December 31, 2016 and 2017. These debt securities do not have readily determinable market values and are categorized accordingly as Level 3 in the fair value hierarchy. To estimate the fair value of these securities, we use a combination of valuation methodologies, including market and income approaches based on prior transaction prices; estimated timing, probability, and amount of cash flows; and illiquidity considerations. Financial information of private companies may not be available and consequently we estimate the value based on the best available information at the measurement date.1 to 25 years.
The following table presents a reconciliation for our non-marketable debt securities measured and recorded at fair value on a recurring basis, using significant unobservable inputs (Level 3) (in millions):
 Year Ended December 31,
2016 2017
Beginning balance$1,024
 $1,165
Total net gains (losses)   
    Included in earnings0
 (10)
    Included in other comprehensive income106
 707
Purchases78
 88
Sales(18) (2)
Settlements(25) (54)
Ending balance$1,165
 $1,894
Note 5. Variable Interest Entities (VIEs)
Consolidated VIEs
We consolidate VIEs in which we hold a variable interest and are the primary beneficiary. The results of operations and statements of financial position of these VIEs are included in our consolidated financial statements.
For certain consolidated VIEs, their assets are not available to us and their creditors do not have recourse to us. As of December 31, 20162019 and 2017,2020, assets that can only be used to settle obligations of these VIEs were $1.1$3.1 billion and $1.7$5.7 billion, respectively, and the liabilities for which creditors do notonly have recourse to usthe VIEs were $668 million$1.2 billion and $997 million,$2.3 billion, respectively.
Calico
Calico is a life science company with a missionTotal noncontrolling interests ("NCI"), including redeemable noncontrolling interests ("RNCI"), in our consolidated subsidiaries increased from $1.2 billion to harness advanced technologies to increase our understanding of the biology that controls lifespan. As of$3.9 billion from December 31, 2017, we have contributed $240 million2019 to Calico in exchange for Calico convertible preferred units and are committed to fund an additional $490 million on an as-needed basis.
In September 2014, AbbVie Inc. (AbbVie) and Calico announced a research and development collaboration agreement intended to help both companies discover, develop, and bring to market new therapies for patients with age-related diseases, including neurodegeneration and cancer. As of December 31, 2017, AbbVie has contributed $750 million2020, primarily due to fund the collaboration pursuantexternal investments in Waymo. NCI and RNCI are included within additional paid-in capital. Net loss attributable to the agreement, which reflects its total commitment. As of December 31, 2017, Calico has contributed $250 millionnoncontrolling interests was not material for any period presented and committed up tois included within other income (expense), net.
Waymo
Waymo is an additional $500 million.
Calico has used its scientific expertise to establish a world-class research andautonomous driving technology development facility, with a focus on drug discovery and early drug development; and AbbVie provides scientific and clinical development support and its commercial expertise to bring new discoveries to market. Both companies share costs and profits equally. AbbVie's contribution has been recorded as a liability on Calico's financial statements, which is reduced and reflected as a reduction to research and development expense as eligible research and development costs are incurred by Calico.
Verily
Verily is a life science company with a mission to make the world's health data useful so thatit safe and easy for people enjoy healthier lives.

In January 2017, Temasek, a Singapore-based investment company, signed a binding commitmentand things to purchase a noncontrolling interest in Verily for an aggregate of $800 million in cash.get where they're going. In February 2017, the first tranchehalf of the2020, Waymo completed an externally led investment closed and we received $480 million. The second and final tranche of theround raising in total $3.2 billion, which includes investment closed in July 2017 and we received the remaining $320 million. The transaction is accounted for as an equity transaction and nofrom Alphabet. No gain or loss was recognized. Of the $800 million received, $78 million was recordedThe investments related to external parties were accounted for as equity transactions and resulted in recognition of noncontrolling interest and $722 million was recorded as additional paid-in capital. Noncontrolling interest and net loss attributable to noncontrolling interest were not separately presented on our consolidated financial statements as of and for the year ended December 31, 2017 as the amounts were not material.interests.
Unconsolidated VIEs
CertainWe have investments in some VIEs in which we are not the primary beneficiary. These VIEs include private companies that are primarily early stage companies and certain renewable energy investments includedentities in our non-marketable equity investments accounted for under the equity method are VIEs. These entities'which activities involve power generation using renewable sources.
We have determined that the governance structures of these entities do not allow us to direct the activities that would significantly impactaffect their economic performance such as setting operating budgets.performance. Therefore, we doare not consolidatethe primary beneficiary, and the results of operations and financial position of these VIEs are not included in our consolidated financial statements. TheWe account for these investments as non-marketable equity investments or equity method investments.
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Alphabet Inc.
VIEs are generally based on the current carrying value of the investments and maximum exposure of these VIEs were $1.2 billion and $0.9 billion as of December 31, 2016 and 2017, respectively. The maximum exposure is based on current investments to date.any future funding commitments. We have determined that the single source of our exposure to these VIEs is our capital investmentinvestments in them.
Other The carrying value and maximum exposure of these unconsolidated VIEs were not material as of December 31, 20162019 and 2017.2020.
Note 6. Debt
Short-Term Debt
We have a debt financing program of up to $5.0 billion through the issuance of commercial paper. Net proceeds from this program are used for general corporate purposes. We had no0 commercial paper outstanding as of December 31, 20162019 and December 31, 2017, respectively.2020.
Our short-term debt balance also includes the current portion of certain long-term debt.
Long-Term Debt
GoogleIn August 2020, Alphabet issued $3.0$10.0 billion of fixed-rate senior unsecured notes in three6 tranches (collectively, 2011 Notes) in May 2011,“2020 Notes”): $1.0 billion due in 2014, 2016, and 2021, as well as2025, $1.0 billion of senior unsecured notes (2014 Notes) in February 2014 due in 2024.
In April 2016, we completed an exchange offer with eligible holders of Google’s 2011 Notes2027, $2.25 billion due 2021in 2030, $1.25 billion due in 2040, $2.5 billion due in 2050 and 2014 Notes due 2024 (collectively, the Google Notes). An aggregate principal amount of approximately $1.7 billion of the Google Notes was exchanged for approximately $1.7 billion of Alphabet notes with identical interest rate and maturity. Because the exchange was between a parent and the subsidiary company and for substantially identical notes, the change was treated as a debt modification for accounting purposes with no gain or loss recognized.
In August 2016, Alphabet issued $2.0 billion due in 2060. The 2020 Notes had a weighted average duration of senior unsecured notes (2016 Notes) due 2026. The21.5 years and weighted average coupon rate of 1.57%. Of the total issuance, $5.75 billion was designated as Sustainability Bonds, the net proceeds fromof which are used to fund environmentally and socially responsible projects in the issuance of the 2016 Notes werefollowing eight areas: energy efficiency, clean energy, green buildings, clean transportation, circular economy and design, affordable housing, commitment to racial equity, and support for small businesses and COVID-19 crisis response. The remaining net proceeds are used for general corporate purposes, including the repayment of outstanding commercial paper. The Alphabet notes due in 2021, 2024, and 2026 rank equally with each other and are structurally subordinate to the outstanding Google Notes.purposes.
The total outstanding long-term debt is summarized below (in millions)millions, except percentages):
MaturityCoupon RateEffective Interest RateAs of December 31, 2019As of
December 31, 2020
Debt
2011-2016 Notes Issuances2021 - 20262.00% - 3.63%2.23% - 3.73%$4,000 $4,000 
2020 Notes Issuance2025 - 20600.45% - 2.25%0.57% - 2.33%10,000 
Future finance lease payments, net(1)
711 1,201 
      Total debt4,711 15,201 
Unamortized discount and debt issuance costs(42)(169)
Less: Current portion of Notes(2)
(999)
Less: Current portion future finance lease payments, net(1)(2)
(115)(101)
       Total long-term debt$4,554 $13,932 
 As of
December 31, 2016
 As of
December 31, 2017
3.625% Notes due on May 19, 2021$1,000
 $1,000
3.375% Notes due on February 25, 20241,000
 1,000
1.998% Notes due on August 15, 20262,000
 2,000
Unamortized discount for the Notes above(65) (57)
Subtotal(1)
$3,935
 $3,943
Capital lease obligation0
 26
Total long-term debt$3,935
 $3,969
(1)Net of imputed interest.
(1)
(2)Total current portion of long-term debt is included within other accrued expenses and current liabilities. See Note 7.
Includes the outstanding (and unexchanged) Google Notes issued in 2011 and 2014 and the Alphabet notes exchanged in 2016.
The effective interest yields based on proceeds received fromnotes in the outstanding notes due in 2021, 2024,table above are comprised of fixed-rate senior unsecured obligations and 2026 were 3.734%, 3.377%, and 2.231%, respectively,generally rank equally with interest payable semi-annually.each other. We may redeem thesethe notes at any time in whole or in part at specified redemption prices. The effective interest rates are based on proceeds received with interest payable semi-annually.
The total estimated fair value of allthe outstanding notes,

including the current portion, was approximately $3.9$4.1 billion and $14.0 billion as of December 31, 20162019 and $4.0 billion as of December 31, 2017.2020, respectively. The fair value was determined based on observable market prices of identical instruments in less active markets and is categorized accordingly as Level 2 in the fair value hierarchy.
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Alphabet Inc.
As of December 31, 2017,2020, the aggregate future principal payments for long-term debt, including long-term capital leasesfinance lease liabilities, for each of the next five years and thereafter are as follows (in millions):
2018 $0
2019 1
2020 1
2021 1,001
2021$1,104 
2022 1
202286
2023202386
202420241,087
202520251,088
Thereafter 3,022
Thereafter11,868
Total $4,026
Total$15,319 
Credit Facility
WeAs of December 31, 2020, we have a $4.0 billion of revolving credit facilityfacilities which expiresexpire in February 2021.July 2023. The interest rate for the credit facilityfacilities is determined based on a formula using certain market rates. NoNaN amounts were outstanding under the credit facilityfacilities as of December 31, 20162019 and December 31, 2017.2020.
Note 7. Supplemental Financial Statement Information
Property and Equipment, Net
Property and equipment, net, consisted of the following (in millions):
 As of
December 31, 2016
 As of
December 31, 2017
Land and buildings$19,804
 $23,183
Information technology assets16,084
 21,429
Construction in progress8,166
 10,491
Leasehold improvements3,415
 4,496
Furniture and fixtures58
 48
Property and equipment, gross47,527
 59,647
Less: accumulated depreciation(13,293) (17,264)
Property and equipment, net$34,234
 $42,383
As of December 31, 2016 and 2017, assets under capital lease with a cost basis of $299 million and $390 million were included in property and equipment, respectively.
Note Receivable
In connection with the sale of our Motorola Mobile business to Lenovo Group Limited (Lenovo) in October 2014, we received an interest-free, three-year prepayable promissory note (Note Receivable) due October 2017. The Note Receivable was included on our Consolidated Balance Sheets in other current assets as of December 31, 2016. Based on the general market conditions and the credit quality of Lenovo at the time of the sale, we discounted the Note Receivable at an effective interest rate of 4.5%. As of December 31, 2016, the outstanding principal was $1.4 billion with an unamortized discount of $51 million, and we did not recognize a valuation allowance. The Note Receivable was fully repaid in May 2017.

As of
December 31, 2019
As of
December 31, 2020
Land and buildings$39,865 $49,732 
Information technology assets36,840 45,906 
Construction in progress21,036 23,111 
Leasehold improvements6,310 7,516 
Furniture and fixtures156 197 
Property and equipment, gross104,207 126,462 
Less: accumulated depreciation(30,561)(41,713)
Property and equipment, net$73,646 $84,749 
Accrued expenses and other current liabilities
Accrued expenses and other current liabilities consisted of the following (in millions):
As of
December 31, 2019
As of
December 31, 2020
European Commission fines(1)
$9,405 $10,409 
Accrued customer liabilities2,245 3,118 
Accrued purchases of property and equipment2,411 2,197 
Current operating lease liabilities1,199 1,694 
Other accrued expenses and current liabilities7,807 11,213 
Accrued expenses and other current liabilities$23,067 $28,631 
(1)    Includes the effects of foreign exchange and interest. See Note 10 for further details.
78

 As of
December 31, 2016
 As of
December 31, 2017
European Commission fine(1)
$0
 $2,874
Accrued customer liabilities1,256
 1,489
Other accrued expenses and current liabilities4,888
 5,814
Accrued expenses and other current liabilities$6,144
 $10,177
Includes the effects of foreign exchange and interest.Alphabet Inc.
Accumulated Other Comprehensive Income (Loss)
The components of AOCI, net of tax, were as follows (in millions):
Foreign Currency Translation AdjustmentsUnrealized Gains (Losses) on Available-for-Sale InvestmentsUnrealized Gains (Losses) on Cash Flow HedgesTotal
Foreign Currency Translation Adjustments Unrealized Gains (Losses) on Available-for-Sale Investments Unrealized Gains (Losses) on Cash Flow Hedges Total
Balance as of December 31, 2014$(980) $421
 $586
 $27
Balance as of December 31, 2017Balance as of December 31, 2017$(1,103)$233 $(122)$(992)
Cumulative effect of accounting changeCumulative effect of accounting change(98)(98)
Other comprehensive income (loss) before reclassifications(1,067) (715) 676
 (1,106)Other comprehensive income (loss) before reclassifications(781)88 264 (429)
Amounts excluded from the assessment of hedge effectiveness recorded in AOCIAmounts excluded from the assessment of hedge effectiveness recorded in AOCI26 26 
Amounts reclassified from AOCI0
 208
 (1,003) (795)Amounts reclassified from AOCI(911)98 (813)
Other comprehensive income (loss)(1,067) (507) (327) (1,901)Other comprehensive income (loss)(781)(823)388 (1,216)
Balance as of December 31, 2015$(2,047) $(86) $259
 $(1,874)
Balance as of December 31, 2018Balance as of December 31, 2018(1,884)(688)266 (2,306)
Cumulative effect of accounting changeCumulative effect of accounting change(30)(30)
Other comprehensive income (loss) before reclassifications(599) (314) 515
 (398)Other comprehensive income (loss) before reclassifications(119)1,611 36 1,528 
Amounts excluded from the assessment of hedge effectiveness recorded in AOCIAmounts excluded from the assessment of hedge effectiveness recorded in AOCI(14)(14)
Amounts reclassified from AOCI0
 221
 (351) (130)Amounts reclassified from AOCI(111)(299)(410)
Other comprehensive income (loss)(599) (93) 164
 (528)Other comprehensive income (loss)(119)1,500 (277)1,104 
Balance as of December 31, 2016$(2,646) $(179) $423
 $(2,402)
Balance as of December 31, 2019Balance as of December 31, 2019(2,003)812 (41)(1,232)
Other comprehensive income (loss) before reclassifications1,543
 307
 (638) 1,212
Other comprehensive income (loss) before reclassifications1,139 1,313 79 2,531 
Amounts excluded from the assessment of hedge effectiveness recorded in AOCIAmounts excluded from the assessment of hedge effectiveness recorded in AOCI(37)(37)
Amounts reclassified from AOCI0
 105
 93
 198
Amounts reclassified from AOCI(513)(116)(629)
Other comprehensive income (loss)1,543
 412
 (545) 1,410
Other comprehensive income (loss)1,139 800 (74)1,865 
Balance as of December 31, 2017$(1,103) $233
 $(122) $(992)
Balance as of December 31, 2020Balance as of December 31, 2020$(864)$1,612 $(115)$633 
The effects on net income of amounts reclassified from AOCI were as follows (in millions):

Gains (Losses) Reclassified from AOCI to the Consolidated Statements of Income
Year Ended December 31,
 AOCI ComponentsLocation201820192020
Unrealized gains (losses) on available-for-sale investments
Other income (expense), net$1,190 $149 $650 
Benefit (provision) for income taxes(279)(38)(137)
Net of tax911 111 513 
Unrealized gains (losses) on cash flow hedges
Foreign exchange contractsRevenue(139)367 144 
Interest rate contractsOther income (expense), net
Benefit (provision) for income taxes35 (74)(34)
Net of tax(98)299 116 
Total amount reclassified, net of tax$813 $410 $629 
79

  


 Gains (Losses) Reclassified from AOCI to the Consolidated Statement of Income
    Year Ended December 31,
 AOCI Components Location 2015 2016 2017
Unrealized gains (losses) on available-for-sale investments      
  Other income (expense), net $(208) $(221) $(105)
  Provision for income taxes 0
 0
 0
  Net of tax $(208) $(221) $(105)
Unrealized gains (losses) on cash flow hedges      
Foreign exchange contracts Revenue $1,399
 $539
 $(169)
Interest rate contracts Other income (expense), net 5
 5
 5
  Benefit (provision) for income taxes (401) (193) 71
  Net of tax $1,003
 $351
 $(93)
Total amount reclassified, net of tax   $795
 $130
 $(198)

Alphabet Inc.
Other Income (Expense), Net
The components of other income (expense), net, were as follows (in millions): 
 Year Ended December 31,
 201820192020
Interest income$1,878 $2,427 $1,865 
Interest expense(1)
(114)(100)(135)
Foreign currency exchange gain (loss), net (2)
(80)103 (344)
Gain (loss) on debt securities, net(3)
1,190 149 725 
Gain (loss) on equity securities, net5,460 2,649 5,592 
Performance fees(1,203)(326)(609)
Income (loss) and impairment from equity method investments, net(120)390 401 
Other(4)
378 102 (637)
Other income (expense), net$7,389 $5,394 $6,858 
(1)    Interest expense is net of interest capitalized of $92 million, $167 million, and $218 million for the years ended December 31, 2018, 2019, and 2020, respectively.
(2)    Our foreign currency exchange gain (loss), net, is primarily related to the forward points for our foreign currency hedging contracts and foreign exchange transaction gains and losses from the conversion of the transaction currency to the functional currency, offset by the foreign currency hedging contracts' losses and gains.
(3)    During the year ended December 31, 2018, the terms of a non-marketable debt security were modified resulting in an unrealized $1.3 billion gain.
(4)    During the year ended December 31, 2020, we entered into derivatives that hedged the changes in fair value of certain marketable equity securities, which resulted in a $902 million loss. The offsetting recognized gains on the marketable equity securities are reflected in Gain (loss) on equity securities, net.
 Year Ended December 31,
 2015 2016 2017
Interest income$999
 $1,220
 $1,312
Interest expense(1)
(104) (124) (109)
Foreign currency exchange losses, net (2)
(422) (475) (121)
Loss on marketable securities, net(208) (210) (80)
Loss on non-marketable investments, net(126) (65) (114)
Other152
 88
 159
Other income (expense), net$291
 $434
 $1,047
(1)
Interest expense is net of interest capitalized of $0 million, $0 million, and $48 million for the years ended December 31, 2015, 2016, and 2017, respectively.
(2)
Our foreign currency exchange losses, net, are related to the option premium costs and forward points for our foreign currency hedging contracts, our foreign exchange transaction gains and losses from the conversion of the transaction currency to the functional currency, offset by the foreign currency hedging contract losses and gains. The net foreign currency transaction losses were $123 million, $112 million, and $226 million for the years ended December 31, 2015, 2016, and 2017, respectively.
Note 8. Acquisitions
20172020 Acquisitions
During the year ended December 31, 2017,2020, we completed various acquisitions and purchases of intangible assets for total consideration of approximately $322 million.$744 million, net of cash acquired. In aggregate, $12 million was cash acquired, $117$248 million was attributed to intangible assets, $221$446 million was attributed to goodwill and $28$50 million was attributed to net liabilities assumed.assets acquired. These acquisitions generally enhance the breadth and depth of our offerings and expand our expertise in engineering and other functional areas. The amount of goodwill expected to be deductible for tax purposes is approximately $60 million.
Pro forma results of operations for these acquisitions have not been presented because they are not material to the consolidated results of operations, either individually or in the aggregate.
For all intangible assets acquired and purchased during the year ended December 31, 2017,2020, patents and developed technology have a weighted-average useful life of 3.74.1 years, customer relationships have a weighted-average useful life of 2.04.7 years, and trade names and other have a weighted-average useful life of 8.84.6 years.
Agreement with HTC Corporation (HTC)Acquisition of Fitbit
In January 2018,2021, we completedclosed the acquisition of Fitbit, a team of engineers and a non-exclusive license of intellectual property from HTCleading wearables brand for $1.1 billion in cash. The transaction will be accounted for as a business combination. We expect this transaction to accelerate Google’s ongoing hardware efforts. We are currently in the process of valuing the assets acquired and liabilities assumed in the transaction. We will provide all required disclosures upon the completion of the valuation in the first quarter of 2018.$2.1 billion.
2016 Acquisitions
Apigee
80
In October 2016, we completed the acquisition of Apigee Corp., a provider of application programming interface (API) management, for approximately $571 million in cash. We expect the acquisition to accelerate our Google Cloud customers’ move to supporting their businesses with high quality digital interactions. Of the total purchase price of $571 million, $41 million was cash acquired, $127 million was attributed to intangible assets, $376 million was attributed to goodwill, and $27 million was attributed to net assets acquired. Goodwill, which was recorded in the Google segment, is primarily attributable to synergies expected to arise after the acquisition and is not deductible for tax purposes.

Other Acquisitions
Alphabet Inc.
During the year ended December 31, 2016, we completed other acquisitions and purchases of intangible assets for total consideration of approximately $448 million. In aggregate, $12 million was cash acquired, $143 million was attributed to intangible assets, $288 million was attributed to goodwill, and $5 million was attributed to net assets acquired. These acquisitions generally enhance the breadth and depth of our offerings, as well as expanding our

expertise in engineering and other functional areas. The amount of goodwill expected to be deductible for tax purposes is approximately $67 million.
Pro forma results of operations for these acquisitions have not been presented because they are not material to the consolidated results of operations, either individually or in aggregate.
For all intangible assets acquired and purchased during the year ended December 31, 2016, patents and developed technology have a weighted-average useful life of 4.5 years, customer relationships have a weighted-average useful life of 3.4 years, and trade names and other have a weighted-average useful life of 6.2 years.
Note 9. Goodwill and Other Intangible Assets
Goodwill
The changesChanges in the carrying amount of goodwill allocated to our disclosed segments for the years ended December 31, 20162019 and 20172020 were as follows (in millions):
GoogleGoogle ServicesGoogle CloudOther BetsTotal
Balance as of December 31, 2018$17,521 $$$367 $17,888 
Acquisitions2,353 475 2,828 
Transfers(9)
Foreign currency translation and other adjustments38 (130)(92)
Balance as of December 31, 201919,921 703 20,624 
Acquisitions204 204 
Foreign currency translation and other adjustments46 (4)42 
Allocation in the fourth quarter of 2020(1)
(20,171)18,408 1,763 
Acquisitions53 189 242 
Foreign currency translation and other adjustments56 63 
Balance as of December 31, 2020$$18,517 $1,957 $701 $21,175 
 Google Other Bets Total Consolidated
Balance as of December 31, 2015$15,456
 $413
 $15,869
Acquisitions625
 39
 664
Foreign currency translation and other adjustments(54) (11) (65)
Balance as of December 31, 2016$16,027
 $441
 $16,468
Acquisitions212
 9
 221
Foreign currency translation and other adjustments56
 2
 58
Balance as of December 31, 2017$16,295
 $452
 $16,747
(1)Represents reallocation of goodwill as a result of our change in segments in the fourth quarter of 2020. See Note 15 for further details
Other Intangible Assets
Information regarding purchased intangible assets were as follows (in millions):
 As of December 31, 2019
 Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Patents and developed technology$4,972 $3,570 $1,402 
Customer relationships254 30 224 
Trade names and other703 350 353 
Total$5,929 $3,950 $1,979 
 As of December 31, 2016
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
Patents and developed technology$5,542
 $2,710
 $2,832
Customer relationships352
 197
 155
Trade names and other463
 143
 320
Total$6,357
 $3,050
 $3,307

As of December 31, 2017 As of December 31, 2020
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Value
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Value
Patents and developed technology$5,260
 $3,040
 $2,220
Patents and developed technology$4,639 $3,649 $990 
Customer relationships359
 263
 96
Customer relationships266 49 217 
Trade names and other544
 168
 376
Trade names and other699 461 238 
Total$6,163
 $3,471
 $2,692
Total$5,604 $4,159 $1,445 
Patents and developed technology, customer relationships, and trade names and other have weighted-average remaining useful lives of 3.81.6 years, 1.44.9 years, and 4.62.1 years, respectively.
Amortization expense relating to purchased intangible assets was $892$865 million, $833$795 million, and $796$774 million for the years ended December 31, 2015, 2016,2018, 2019, and 2017,2020, respectively.

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Alphabet Inc.
As of December 31, 2017,2020, expected amortization expense relating to purchased intangible assets for each of the next five years and thereafter areis as follows (in millions):
2021$719 
2022375 
2023104 
202478 
202553 
Thereafter116 
$1,445 

2018$728
2019615
2020493
2021459
2022212
Thereafter185
 $2,692
Note 10. Commitments and Contingencies
Operating Leases
We have entered into various non-cancelable operating lease agreements for certain of our offices, facilities, land, and data centers throughout the world with lease periods expiring between 2018 and 2063. We are committed to pay a portion of the actual operating expenses under certain of these lease agreements. These operating expenses are not included in the table below. Certain of these arrangements have free or escalating rent payment provisions. We recognize rent expense on a straight-line basis.
As of December 31, 2017, future minimum payments under operating leases having initial or remaining non-cancelable lease terms in excess of one year, net of sublease income amounts, were as follows (in millions):
 
Operating
Leases(1)
 
Sub-lease
Income
 Net Operating Leases
2018$1,175
 $15
 $1,160
20191,133
 13
 1,120
20201,073
 11
 1,062
2021975
 7
 968
2022831
 3
 828
Thereafter3,616
 1
 3,615
Total minimum payments$8,803
 $50

$8,753
(1)
Includes future minimum payments for leases which have not yet commenced.
We have entered into certain non-cancelable lease agreements with lease periods expiring between 2021 and 2044 where we are the deemed owner for accounting purposes of new construction projects. Excluded from the table above are future minimum lease payments under such leases totaling approximately $2.1 billion, for which a $1.3 billion liability is included on the Consolidated Balance Sheets as of December 31, 2017.
Rent expense under operating leases was $734 million, $897 million, and $1.1 billion for the years ended December 31, 2015, 2016, and 2017, respectively.
Purchase Obligations
As of December 31, 2017,2020, we had $7.2$10.7 billion of other non-cancelable contractual obligations, primarily related to data center operations and build-outs, digital media content licensing, information technology assets and purchases of inventory.
Indemnifications
In the normal course of business, to facilitate transactions in our services and products, we indemnify certain parties, including advertisers, Google Network Members, customers of Google Cloud offerings, and lessors with respect to certain matters. We have agreed to hold certain parties harmless against losses arising from a breach of representations or covenants, or out of intellectual property infringement or other claims made against certain parties. Several of these agreements limit the time within which an indemnification claim can be made and the amount of the claim. In addition, we have entered into indemnification agreements with our officers and directors, and our bylaws contain similar indemnification obligations to our agents.
It is not possible to make a reasonable estimate of the maximum potential amount under these indemnification agreements due to the unique facts and circumstances involved in each particular agreement. Additionally, we have

a limited history of prior indemnification claims and the payments we have made under such agreements have not had a material adverse effect on our results of operations, cash flows, or financial position. However, to the extent that valid indemnification claims arise in the future, future payments by us could be significant and could have a material adverse effect on our results of operations or cash flows in a particular period.
As of December 31, 2017,2020, we did not have any material indemnification claims that were probable or reasonably possible.
Legal Matters
Antitrust Investigations
On November 30, 2010, the European Commission's (EC)EC's Directorate General for Competition opened an investigation into various antitrust-related complaints against us.
On April 15, 2015, the EC issued a Statement of Objections (SO) regarding the display and ranking of shopping search results and ads, to which we responded on August 27, 2015. On July 14, 2016, the EC issued a Supplementary SO regarding shopping search results and ads. On June 27, 2017, the EC announced its decision that certain actions taken by Google regarding its display and ranking of shopping search results and ads infringed European competition law. The EC decision imposed a €2.42€2.4 billion (approximately $2.74($2.7 billion as of June 27, 2017) fine. On September 11, 2017, we appealed the EC decision and on September 27, 2017, we implemented product changes to bring shopping ads into compliance with the EC's decision. We recognized a charge of approximately $2.74$2.7 billion for the fine in the second quarter of 2017.
On July 18, 2018, the EC announced its decision that certain provisions in Google’s Android-related distribution agreements infringed European competition law. The EC decision imposed a €4.3 billion ($5.1 billion as of June 30, 2018) fine and directed the termination of the conduct at issue. On October 9, 2018, we appealed the EC decision. On October 29, 2018, we implemented changes to certain of our Android distribution practices. We recognized a charge of $5.1 billion for the fine in the second quarter of 2018.
On March 20, 2019, the EC announced its decision that certain contractual provisions in agreements that Google had with AdSense for Search partners infringed European competition law. The EC decision imposed a fine of €1.5 billion ($1.7 billion as of March 20, 2019) and directed actions related to AdSense for Search partners' agreements, which we implemented prior to the decision. On June 4, 2019, we appealed the EC decision. We recognized a charge of $1.7 billion for the fine in the first quarter of 2019.
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While each EC decision is under appeal, we included the fines in accrued expenses and other current liabilities on our Consolidated Balance Sheets as we provided bank guarantees in(in lieu of a cash paymentpayment) for the fine.fines.
On April 20, 2016, the EC issued an SO regarding certain Android distribution practices. On July 14, 2016, the EC issued an SO regarding the syndication of AdSense for Search. We respondedFrom time to the SOs and continue to respond to the EC's informational requests. There is significant uncertainty as to the outcomes of these investigations; however, adverse decisions could result in fines and directives to alter or terminate certain conduct. Given the nature of these cases,time we are unablesubject to estimateformal and informal inquiries and investigations on competition matters by regulatory authorities in the reasonably possible loss or rangesUnited States, Europe, and other jurisdictions. For example, in August 2019, we began receiving civil investigative demands from the U.S. Department of loss, if any.Justice ("DOJ") requesting information and documents relating to our prior antitrust investigations and certain aspects of our business. The DOJ and a number of state Attorneys General filed a lawsuit on October 20, 2020 alleging that Google violated U.S. antitrust laws relating to Search and Search advertising. Separately, on December 16, 2020, a number of state Attorneys General filed an antitrust complaint against Google in the United States District Court for the Eastern District of Texas, alleging that Google violated U.S. antitrust laws as well as state deceptive trade laws relating to its advertising technology. We remain committed to working with the EC to resolvebelieve these matters.
complaints are without merit and will defend ourselves vigorously. The Comision Nacional de Defensa de la Competencia in Argentina, the Competition Commission of India (CCI), Brazil's Council for Economic Defense (CADE),DOJ and the Korean Fair Trade Commission have also openedstate Attorneys General continue their investigations into certain aspects of our business practices. In November 2016, we respondedbusiness. We continue to cooperate with federal and state regulators in the CCI Director General's report with interim findings of competition law infringements regarding searchUnited States, and ads.other regulators around the world.
Patent and Intellectual Property Claims
We have had patent, copyright, trade secret, and trademark infringement lawsuits filed against us claiming that certain of our products, services, and technologies infringe theothers' intellectual property rights of others.rights. Adverse results in these lawsuits may include awards of substantial monetary damages, costly royalty or licensing agreements, or orders preventing us from offering certain features, functionalities, products, or services, andservices. As a result, we may also cause ushave to change our business practices, and require development ofdevelop non-infringing products or technologies, which could result in a loss of revenues for us and otherwise harm our business. In addition, the U.S. International Trade Commission (ITC)("ITC") has increasingly become an important forum to litigate intellectual property disputes because an ultimate loss for a company or its suppliers in an ITC action couldcan result in a prohibition on importing infringing products into the U.S. Because the U.S. is an important market, a prohibition on importation could have an adverse effect on us, including preventing us from importing many important products into the U.S. or necessitating workarounds that may limit certain features of our products.
Furthermore, many of our agreements with our customers and partners require us to indemnify them foragainst certain intellectual property infringement claims, against them, which would increase our costs as a result of defending such claims, and may require that we pay significant damages if there were an adverse ruling in any such claims. OurIn addition, our customers and partners may discontinue the use of our products, services, and technologies, as a result of injunctions or otherwise, which could result in loss of revenues and adversely impactaffect our business.
In 2010, Oracle America, Inc. (Oracle)("Oracle") brought a copyright lawsuit against Google in the Northern District of California, alleging that Google's Android operating system infringes Oracle's copyrights related to certain Java application programming interfaces. After trial, final judgment was entered by the district court in favor of Google on June 8, 2016, and the court decided post-trial motions in favor of Google. Oracle has appealed.appealed and on March 27, 2018, the appeals court reversed and remanded the case for a trial on damages. On May 29, 2018, we filed a petition for a rehearing at the Federal Circuit, and on August 28, 2018, the Federal Circuit denied the petition. On January 24, 2019, we filed a petition to the Supreme Court of the United States to review this case. On April 29, 2019, the Supreme Court requested the views of the Solicitor General regarding our petition. On September 27, 2019, the Solicitor General recommended denying our petition, and we provided our response on October 16, 2019. On November 15, 2019, the Supreme Court granted our petition and made a decision to review the case. The Supreme Court heard oral arguments in our case on October 7, 2020. If the Supreme Court does not rule in our favor, the case will be remanded to the district court for further determination of the remaining issues in the case, including damages, if any. We believe this lawsuit is without merit and are defending ourselves vigorously. Given the nature of this case, we are unable to estimate the reasonably possible loss or range of loss, if any, arising from this matter.

Other
We are also regularly subject to claims, suits, regulatory and government investigations, and other proceedings involving competition, (such as the pending EC investigations described above), intellectual property, privacy, tax and related compliance, labor and employment, commercial disputes, content generated by our users, goods and services offered by advertisers or publishers using our platforms, personal injury, consumer protection, and other matters. Such claims, suits, regulatory and government investigations, and other proceedings could result in substantial fines and penalties, injunctive relief, ongoing auditing and monitoring obligations, changes to our products and services, alterations to our business models and operations, and collateral related civil or criminal penalties,litigation or other adverse consequences.consequences, all of which could harm our business, reputation, financial condition, and operating results.
Certain of ourthese outstanding legal matters include speculative, claims for substantial or indeterminate amounts of damages.monetary amounts. We record a liability when we believe that it is probable that a loss has been incurred and the amount can be reasonably estimated. If we determine that a loss is reasonably possible and the loss or range of loss can be estimated, we
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disclose the reasonably possible loss. We evaluate developments in our legal matters that could affect the amount of liability that has been previously accrued, and the matters and related reasonably possible losses disclosed, and make adjustments as appropriate. Significant judgment is required to determine both likelihood of there being and the estimated amount of a loss related to such matters.
With respect to our outstanding legal matters, based on our current knowledge, we believe that the amount or range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on our business, consolidated financial position, results of operations, or cash flows. However, the outcome of such legal matters is inherently unpredictable and subject to significant uncertainties.
We expense legal fees in the period in which they are incurred.
Non-Income Taxes
We are under audit by various domestic and foreign tax authorities with regards to non-income tax matters. The subject matter of non-income tax audits primarily arises from disputes on the tax treatment and tax rate applied to the sale of our products and services in these jurisdictions and the tax treatment of certain employee benefits. We accrue non-income taxes that may result from examinations by, or any negotiated agreements with, these tax authorities when a loss is probable and reasonably estimable. If we determine that a loss is reasonably possible and the loss or range of loss can be estimated, we disclose the reasonably possible loss. We believe these matters are without merit and we are defending ourselves vigorously. Due to the inherent complexity and uncertainty of these matters and judicial process in certain jurisdictions, the final outcome may be materially different from our expectations.
For information regarding income tax contingencies, see Note 14.
Note 11. Stockholders’Stockholders' Equity
Convertible Preferred Stock
Our boardBoard of directorsDirectors has authorized 100 million shares of convertible preferred stock, $0.001 par value, issuable in series. As of December 31, 20162019 and 2017, no2020, 0 shares were issued or outstanding.
Class A and Class B Common Stock and Class C Capital Stock
Our boardBoard of directorsDirectors has authorized three3 classes of stock, Class A and Class B common stock, and Class C capital stock. The rights of the holders of each class of our common and capital stock are identical, except with respect to voting. Each share of Class A common stock is entitled to one1 vote per share. Each share of Class B common stock is entitled to 10 votes per share. Class C capital stock has no0 voting rights, except as required by applicable law. Shares of Class B common stock may be converted at any time at the option of the stockholder and automatically convert upon sale or transfer to Class A common stock.
Share Repurchases
In October 2015,July 2020, the boardBoard of directorsDirectors of Alphabet authorized the company to repurchase up to $5.1 billion of its Class C capital stock, commencing in the fourth quarter of 2015. In January 2016, the board of directors of Alphabet authorized the company to repurchase an additional amount of approximately 514,000 shares. The repurchases were executed, subject to general business and market conditions and other investment opportunities, through open market purchases or privately negotiated transactions, including through the use of 10b5-1 plans. During 2016, we repurchased and subsequently retired 5.2 million shares of Alphabet Class C capital stock for an aggregate amount of $3.7 billion. We completed all authorized share repurchases under this repurchase program as of June 2016.
In October 2016, the board of directors of Alphabet authorized the company to repurchase up to $7.0$28.0 billion of its Class C capital stock. The repurchases are being executed from time to time, subject to general business and market conditions and other investment opportunities, through open market purchases or privately negotiated

transactions, including through Rule 10b5-1 plans. The repurchase program does not have an expiration date.
During 2017,the years ended December 31, 2019 and 2020, we repurchased and subsequently retired 5.215.3 million and 21.5 million shares of Alphabet Class C capital stock for an aggregate amount of $4.8 billion.$18.4 billion and $31.1 billion, respectively.
Note 12. Net Income Per Share
We compute net income per share of Class A and Class B common stock and Class C capital stock using the two-class method. Basic net income per share is computed using the weighted-average number of shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of shares and the effect of potentially dilutive securities outstanding during the period. Potentially dilutive securities consist of restricted stock units and other contingently issuable shares. The dilutive effect of outstanding restricted stock units and other contingently issuable shares is reflected in diluted earnings per share by application of the treasury stock method. The computation of the diluted net income per share of Class A common stock assumes the conversion of Class B common stock, while the diluted net income per share of Class B common stock does not assume the conversion of those shares.
The rights, including the liquidation and dividend rights, of the holders of our Class A and Class B common stock and Class C capital stock are identical, except with respect to voting. Furthermore, there are a number of
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safeguards built into our certificate of incorporation, as well as Delaware law, which preclude our boardBoard of directorsDirectors from declaring or paying unequal per share dividends on our Class A and Class B common stock and Class C capital stock. Specifically, Delaware law provides that amendments to our certificate of incorporation which would have the effect of adversely altering the rights, powers, or preferences of a given class of stock must be approved by the class of stock adversely affected by the proposed amendment. In addition, our certificate of incorporation provides that before any such amendment may be put to a stockholder vote, it must be approved by the unanimous consent of our boardBoard of directors.Directors. As a result, the undistributed earnings for each year are allocated based on the contractual participation rights of the Class A and Class B common shares and Class C capital stock as if the earnings for the year had been distributed. As the liquidation and dividend rights are identical, the undistributed earnings are allocated on a proportionate basis. Furthermore, as we assume the conversion of Class B common stock in the computation of the diluted net income per share of Class A common stock, the undistributed earnings are equal to net income for that computation.
In the years ended December 31, 20162018, 2019 and 2017,2020, the net income per share amounts are the same for Class A and Class B common stock and Class C capital stock because the holders of each class are legally entitled to equal per share dividends or distributions in liquidation in accordance with the Amended and Restated Certificate of Incorporation of Alphabet Inc.
In the year ended December 31, 2015, the Class C Adjustment Payment was allocated to the numerator for calculating net income per share of Class C capital stock from net income available to all stockholders and the remaining undistributed earnings were allocated on a pro rata basis to Class A and Class B common stock and Class C capital stock based on the number of shares used in the per share computation for each class of stock. The weighted-average share impact of the Class C Adjustment Payment is included in the denominator of both basic and diluted net income per share computations for the year ended December 31, 2015.
The following table setstables set forth the computation of basic and diluted net income per share of Class A and Class B common stock and Class C capital stock (in millions, except share amounts which are reflected in thousands and per share amounts):

 Year Ended December 31,
 2018
 Class AClass BClass C
Basic net income per share:
Numerator
Allocation of undistributed earnings$13,200 $2,072 $15,464 
Denominator
Number of shares used in per share computation298,548 46,864 349,728 
Basic net income per share$44.22 $44.22 $44.22 
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation$13,200 $2,072 $15,464 
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares2,072 
Reallocation of undistributed earnings(146)(24)146 
Allocation of undistributed earnings$15,126 $2,048 $15,610 
Denominator
Number of shares used in basic computation298,548 46,864 349,728 
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A common shares outstanding46,864 
Restricted stock units and other contingently issuable shares689 7,456 
Number of shares used in per share computation346,101 46,864 357,184 
Diluted net income per share$43.70 $43.70 $43.70 

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 Year Ended December 31,
 2015
 Class A Class B Class C
Basic net income per share:     
Numerator     
Adjustment Payment to Class C capital stockholders$0
 $0
 $522
Allocation of undistributed earnings6,695
 1,196
 7,935
Total$6,695
 $1,196
 $8,457
Denominator     
Number of shares used in per share computation289,640
 51,745
 343,241
Basic net income per share$23.11
 $23.11
 $24.63
Diluted net income per share:     
Numerator     
Adjustment Payment to Class C capital stockholders$0
 $0
 $522
Allocation of undistributed earnings for basic computation$6,695
 $1,196
 $7,935
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares1,196
 0
 0
Reallocation of undistributed earnings(39) (14) 39
Allocation of undistributed earnings$7,852
 $1,182
 $7,974
Denominator     
Number of shares used in basic computation289,640
 51,745
 343,241
Weighted-average effect of dilutive securities     
Add:     
Conversion of Class B to Class A common shares outstanding51,745
 0
 0
Restricted stock units and other contingently issuable shares2,395
 0
 5,909
Number of shares used in per share computation343,780
 51,745
 349,150
Diluted net income per share$22.84
 $22.84
 $24.34
Alphabet Inc.

 Year Ended December 31,
 2019
 Class AClass BClass C
Basic net income per share:
Numerator
Allocation of undistributed earnings$14,846 $2,307 $17,190 
Denominator
Number of shares used in per share computation299,402 46,527 346,667 
Basic net income per share$49.59 $49.59 $49.59 
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation$14,846 $2,307 $17,190 
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares2,307 
Reallocation of undistributed earnings(126)(20)126 
Allocation of undistributed earnings$17,027 $2,287 $17,316 
Denominator
Number of shares used in basic computation299,402 46,527 346,667 
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A common shares outstanding46,527 
Restricted stock units and other contingently issuable shares413 5,547 
Number of shares used in per share computation346,342 46,527 352,214 
Diluted net income per share$49.16 $49.16 $49.16 


 Year Ended December 31,
 2020
 Class AClass BClass C
Basic net income per share:
Numerator
Allocation of undistributed earnings$17,733 $2,732 $19,804 
Denominator
Number of shares used in per share computation299,815 46,182 334,819 
Basic net income per share$59.15 $59.15 $59.15 
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation$17,733 $2,732 $19,804 
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares2,732 
Reallocation of undistributed earnings(180)(25)180 
Allocation of undistributed earnings$20,285 $2,707 $19,984 
Denominator
Number of shares used in basic computation299,815 46,182 334,819 
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A common shares outstanding46,182 
Restricted stock units and other contingently issuable shares87 6,125 
Number of shares used in per share computation346,084 46,182 340,944 
Diluted net income per share$58.61 $58.61 $58.61 

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 Year Ended December 31,
 2016
 Class A Class B Class C
Basic net income per share:     
Numerator     
Allocation of undistributed earnings$8,332
 $1,384
 $9,762
Denominator     
Number of shares used in per share computation294,217
 48,859
 344,702
Basic net income per share$28.32
 $28.32
 $28.32
Diluted net income per share:     
Numerator     
Allocation of undistributed earnings for basic computation$8,332
 $1,384
 $9,762
Effect of dilutive securities in equity method investments and subsidiaries(9) (2) (10)
Allocation of undistributed earnings for diluted computation8,323
 1,382
 9,752
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares1,382
 0
 0
Reallocation of undistributed earnings(94) (21) 94
Allocation of undistributed earnings$9,611
 $1,361
 $9,846
Denominator     
Number of shares used in basic computation294,217
 48,859
 344,702
Weighted-average effect of dilutive securities     
Add:     
Conversion of Class B to Class A common shares outstanding48,859
 0
 0
Restricted stock units and other contingently issuable shares2,055
 0
 8,873
Number of shares used in per share computation345,131
 48,859
 353,575
Diluted net income per share$27.85
 $27.85
 $27.85
Alphabet Inc.



 Year Ended December 31,
 2017
 Class A Class B Class C
Basic net income per share:     
Numerator     
Allocation of undistributed earnings$5,438
 $862
 $6,362
Denominator     
Number of shares used in per share computation297,604
 47,146
 348,151
Basic net income per share$18.27
 $18.27
 $18.27
Diluted net income per share:     
Numerator     
Allocation of undistributed earnings for basic computation$5,438
 $862
 $6,362
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares862
 0
 0
Reallocation of undistributed earnings(74) (14) 74
Allocation of undistributed earnings$6,226
 $848
 $6,436
Denominator     
Number of shares used in basic computation297,604
 47,146
 348,151
Weighted-average effect of dilutive securities     
Add:     
Conversion of Class B to Class A common shares outstanding47,146
 0
 0
Restricted stock units and other contingently issuable shares1,192
 0
 9,491
Number of shares used in per share computation345,942
 47,146
 357,642
Diluted net income per share$18.00
 $18.00
 $18.00
Note 13. Compensation Plans
Stock Plans
Under ourOur stock plans include the Alphabet 2012 Stock Plan and Other Bet stock-based plans. Under our stock plans, RSUs or stock optionsand other types of awards may be granted. An RSU award is an agreement to issue shares of our publicly traded stock at the time the award vests. Incentive and non-qualified stock options, or rights to purchase common stock, are generally granted for a term of 10 years. RSUs granted to participants under the Alphabet 2012 Stock Plan generally vest over four years contingent upon employment or service with us on the vesting date.
As of December 31, 2017,2020, there were 38,505,76838,777,813 shares of stock reserved for future issuance under our Alphabet 2012 Stock Plan.
Stock-Based Compensation
For the years ended December 31, 2015, 20162018, 2019 and 2017,2020, total stock-based compensation expense was $5.3$10.0 billion, $6.9$11.7 billion and $7.9$13.4 billion, including amounts associated with awards we expect to settle in Alphabet stock of $5.2$9.4 billion, $6.7$10.8 billion, and $7.7$12.8 billion, respectively.
For the years ended December 31, 2015, 20162018, 2019 and 2017,2020, we recognized tax benefits on total stock-based compensation expense, which are reflected in the provision for income taxes in the Consolidated Statements of Income, of $1.1 billion, $1.5 billion, $1.8 billion, and $1.6$2.7 billion, respectively.
For the years ended December 31, 2015, 20162018, 2019 and 2017,2020, tax benefit realized related to awards vested or exercised during the period was $1.5 billion, $2.1 billion, $2.2 billion and $2.7$3.6 billion, respectively. These amounts do not include the indirect effects of stock-based awards, which primarily relate to the research and development tax credit.

Stock-Based Award Activities
The following table summarizes the activities for our unvested Alphabet RSUs for the year ended December 31, 2017:2020:
Unvested Restricted Stock Units
Unvested Restricted Stock Units     Number of    
Shares
Weighted-
Average
Grant-Date
Fair Value
    Number of    
Shares
 
Weighted-
Average
Grant-Date
Fair Value
Unvested as of December 31, 201625,348,955
 $624.92
Unvested as of December 31, 2019Unvested as of December 31, 201919,394,236 $1,055.22 
Granted8,097,708
 $845.06
Granted12,647,562 1,407.97 
Vested(12,071,413) $623.94
Vested(11,643,670)1,089.31 
Forfeited/canceled(1,297,904) $659.61
Forfeited/canceled(1,109,335)1,160.01 
Unvested as of December 31, 201720,077,346
 $712.45
Unvested as of December 31, 2020Unvested as of December 31, 202019,288,793 $1,262.13 
The weighted-average grant-date fair value of RSUs granted during the years ended December 31, 20152018 and 2016,2019, was $546.46$1,095.89 and $713.89,$1,092.36, respectively. Total fair value of RSUs, as of their respective vesting dates, during the years ended December 31, 2015, 2016,2018, 2019, and 20172020 were $6.9$14.1 billion, $9.0$15.2 billion, and $11.3$17.8 billion, respectively.
As of December 31, 2017,2020, there was $12.9$22.8 billion of unrecognized compensation cost related to unvested employee RSUs. This amount is expected to be recognized over a weighted-average period of 2.42.6 years.
401(k) Plans
We have two2 401(k) Savings Plans that qualify as deferred salary arrangements under Section 401(k) of the Internal Revenue Code. Under these 401(k) Plans, matching contributions are based upon the amount of the employees’ contributions subject to certain limitations. We contributedrecognized expense of approximately $309$691 million, $385$724 million, and $448 $855 million for the years ended December 31, 2015, 2016,2018, 2019, and 2017,2020, respectively.
Note 14. Income Taxes
Income from continuing operations before income taxes included income from domestic operationsconsists of $8.3 billion, $12.0 billion, and $10.7 billion for the years ended December 31, 2015, 2016, and 2017, and income from foreign operations of $11.4 billion, $12.1 billion, and $16.5 billion for the years ended December 31, 2015, 2016, and 2017.following (in millions):
Year Ended December 31,
 201820192020
Domestic operations$15,779 $16,426 $37,576 
Foreign operations19,134 23,199 10,506 
Total$34,913 $39,625 $48,082 
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The provision for income taxes consists of the following (in millions):

Year Ended December 31,
 2015
2016
2017
Current:     
Federal and state$2,838
 $3,826
 $12,608
Foreign723
 966
 1,746
Total3,561
 4,792
 14,354
Deferred:     
Federal and state(241) (70) 220
Foreign(17) (50) (43)
Total(258) (120) 177
Provision for income taxes$3,303
 $4,672
 $14,531
The U.S. Tax Cuts and Jobs Act (Tax Act) was enacted on December 22, 2017 and introduces significant changes to U.S. income tax law. Effective in 2018, the Tax Act reduces the U.S. statutory tax rate from 35% to 21% and creates new taxes on certain foreign-sourced earnings and certain related-party payments, which are referred to as the global intangible low-taxed income tax and the base erosion tax, respectively. In addition, in 2017 we were subject to a one-time transition tax on accumulated foreign subsidiary earnings not previously subject to U.S. income tax.
Due to the timing of the enactment and the complexity involved in applying the provisions of the Tax Act, we have made reasonable estimates of the effects and recorded provisional amounts in our financial statements as of December 31, 2017. As we collect and prepare necessary data, and interpret the Tax Act and any additional guidance issued by the U.S. Treasury Department, the IRS, and other standard-setting bodies, we may make adjustments to the provisional amounts. Those adjustments may materially impact our provision for income taxes and effective tax rate in the period in which the adjustments are made. The accounting for the tax effects of the Tax Act will be completed in 2018.

Provisional amounts for the following income tax effects of the Tax Act have been recorded as of December 31, 2017 and are subject to change during 2018.
One-time transition tax
The Tax Act requires us to pay U.S. income taxes on accumulated foreign subsidiary earnings not previously subject to U.S. income tax at a rate of 15.5% to the extent of foreign cash and certain other net current assets and 8% on the remaining earnings. We recorded a provisional amount for our one-time transitional tax liability and income tax expense of $10.2 billion. We have recorded provisional amounts based on estimates of the effects of the Tax Act as the analysis requires significant data from our foreign subsidiaries that is not regularly collected or analyzed.
Deferred tax effects
The Tax Act reduces the U.S. statutory tax rate from 35% to 21% for years after 2017. Accordingly, we have remeasured our deferred taxes as of December 31, 2017 to reflect the reduced rate that will apply in future periods when these deferred taxes are settled or realized. We recognized a deferred tax benefit of $376 million to reflect the reduced U.S. tax rate and other effects of the Tax Act. Although the tax rate reduction is known, we have not collected the necessary data to complete our analysis of the effect of the Tax Act on the underlying deferred taxes and as such, the amounts recorded as of December 31, 2017 are provisional.
The net tax expense recognized in 2017 related to the Tax Act was $9.9 billion. As we complete our analysis of the Tax Act and incorporate additional guidance that may be issued by the U.S. Treasury Department, the IRS or other standard-setting bodies, we may identify additional effects not reflected as of December 31, 2017.
Year Ended December 31,
 201820192020
Current:
Federal and state$2,153 $2,424 $4,789 
Foreign1,251 2,713 1,687 
Total3,404 5,137 6,476 
Deferred:
Federal and state907 286 1,552 
Foreign(134)(141)(215)
Total773 145 1,337 
Provision for income taxes$4,177 $5,282 $7,813 
The reconciliation of federal statutory income tax rate to our effective income tax rate is as follows:
Year Ended December 31,Year Ended December 31,
2015 2016 2017 201820192020
U.S. federal statutory tax rate35.0 % 35.0 % 35.0 %U.S. federal statutory tax rate21.0 %21.0 %21.0 %
Foreign income taxed at different rates(13.4)% (11.0)% (14.2)%Foreign income taxed at different rates(4.4)(4.9)(0.3)
Impact of the Tax Act

 

 

One-time transition tax0.0 % 0.0 % 37.6 %
Deferred tax effects0.0 % 0.0 % (1.4)%
Foreign-derived intangible income deductionForeign-derived intangible income deduction(0.5)(0.7)(3.0)
Stock-based compensation expenseStock-based compensation expense(2.2)(0.7)(1.7)
Federal research credit(2.1)% (2.0)% (1.8)%Federal research credit(2.4)(2.5)(2.3)
Stock-based compensation expense0.3 % (3.4)% (4.5)%
European Commission Fine0.0 % 0.0 % 3.5 %
Impact of the Tax Cuts and Jobs ActImpact of the Tax Cuts and Jobs Act(1.3)(0.6)0.0 
European Commission finesEuropean Commission fines3.1 1.0 0.0 
Deferred tax asset valuation allowanceDeferred tax asset valuation allowance(2.0)0.0 1.4 
State and local income taxesState and local income taxes(0.4)1.1 1.1 
Other adjustments(3.0)% 0.7 % (0.8)%Other adjustments1.1 (0.4)0.0 
Effective tax rate16.8 % 19.3 % 53.4 %Effective tax rate12.0 %13.3 %16.2 %
Our effective tax rate for each of the years presented2018 and 2019 was impactedaffected significantly by earnings realized in foreign jurisdictions with statutory tax rates lower than the federal statutory tax rate. Substantiallyrate because substantially all of the income from foreign operations was earned by an Irish subsidiary. BeginningAs of December 31, 2019, we have simplified our corporate legal entity structure and now license intellectual property from the U.S. that was previously licensed from Bermuda resulting in 2018, earnings realizedan increase in foreign jurisdictions will be subject tothe portion of our income earned in the U.S. tax in accordance with the Tax Act.
On July 27, 2015, the United States Tax Court, in an opinion in Altera Corp. v. Commissioner, invalidated the portion of the Treasury regulations issued under IRC Section 482 requiring related-party participants in a cost sharing arrangement to share stock-based compensation costs. The U.S. Tax Court issued the final decision on December 28, 2015. The IRS servedAs a Noticeresult of Appeal on February 22, 2016 and the case is being heard by the Ninth Circuit Court of Appeals. At this time, the U.S. Treasury has not withdrawn the requirement to include stock-based compensation from its regulations. We have evaluated the opinion and continue to recordthat decision, we recorded a tax benefit related to the anticipated reimbursement of cost share paymentspayment for the previously shared stock-based compensation costs. In accordance with
On June 7, 2019, the United States Court of Appeals for the Ninth Circuit overturned the 2015 Tax Act,Court decision in Altera Corp. v. Commissioner, and upheld the Alteraportion of the Treasury regulations issued under IRC Section 482 requiring related-party participants in a cost sharing arrangement to share stock-based compensation costs. As a result of the Ninth Circuit court decision, our cumulative net tax benefit of $418 million related to previously shared stock-based compensation costs was remeasured from 35% to 21%.  We also remeasuredreversed in the year ended December 31, 2019.
In 2020, there was an increase in valuation allowance for net deferred tax benefit expectedassets that are not likely to be realized upon settlement including the expected future new taxes enacted by the Tax Act due upon resolutionrelating to certain of the matter. The tax liability recorded as of December 31, 2016 for the U.S. tax cost of the potential repatriation associated with the contingent foreign earnings was reversed due to the Tax Act introducing a territorial tax system and providing a 100% dividend received deduction on certain qualified dividends from foreign subsidiaries. We will continue to monitor developments related to the case and the potential impact on our consolidated financial statements.Other Bets.

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Deferred Income Taxes
Deferred income taxes reflect the net effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. We recorded a provisional adjustment to our U.S. deferred income taxes as of December 31, 2017 to reflect the reduction in the U.S. statutory tax rate from 35% to 21% resulting from the Tax Act. Significant components of our deferred tax assets and liabilities are as follows (in millions):
As of December 31,As of December 31,
2016 201720192020
Deferred tax assets:   Deferred tax assets:
Stock-based compensation expense$574
 $251
Stock-based compensation expense$421 $518 
Accrued employee benefits939
 285
Accrued employee benefits463 580 
Accruals and reserves not currently deductible500
 717
Accruals and reserves not currently deductible1,047 1,049 
Tax credits631
 1,187
Tax credits3,264 3,723 
Basis difference in investment of Arris1,327
 849
Prepaid cost sharing4,409
 498
Net Operating Losses305
 320
Net operating lossesNet operating losses771 1,085 
Operating leasesOperating leases1,876 2,620 
Intangible assetsIntangible assets164 1,525 
Other621
 379
Other226 463 
Total deferred tax assets9,306
 4,486
Total deferred tax assets8,232 11,563 
Valuation allowance(2,076) (2,531)Valuation allowance(3,502)(4,823)
Total deferred tax assets net of valuation allowance7,230
 1,955
Total deferred tax assets net of valuation allowance4,730 6,740 
Deferred tax liabilities:   Deferred tax liabilities:
Depreciation and amortization(877) (551)
Identified intangibles(844) (419)
Property and equipment, netProperty and equipment, net(1,798)(3,382)
Renewable energy investments(788) (531)Renewable energy investments(466)(415)
Foreign earnings(4,409) (68)
Foreign EarningsForeign Earnings(373)(383)
Net investment gainsNet investment gains(1,074)(1,901)
Operating leasesOperating leases(1,619)(2,354)
Other(155) (136)Other(380)(782)
Total deferred tax liabilities(7,073) (1,705)Total deferred tax liabilities(5,710)(9,217)
Net deferred tax assets$157
 $250
Net deferred tax assets (liabilities)Net deferred tax assets (liabilities)$(980)$(2,477)
As of December 31, 2017,2020, our federal, state and stateforeign net operating loss carryforwards for income tax purposes were approximately $931 million$3.1 billion, $3.1 billion, and $785 million,$1.4 billion respectively. If not utilized, the federal net operating loss carryforwards will begin to expire in 20212023, foreign net operating loss carryforwards will begin to expire in 2024 and the state net operating loss carryforwards will begin to expire in 2018.2028. It is more likely than not that certain federal net operating loss carryforwards and our state net operating loss carryforwards will not be realized; therefore, we have recorded a valuation allowance against them. The net operating loss carryforwards are subject to various annual limitations under the tax laws of the different jurisdictions. Our foreign net operating loss carryforwards for income tax purposes were $327 million that will begin to expire in 2021.
As of December 31, 2017,2020, our California research and development credit carryforwards for income tax purposes were approximately $1.8$3.7 billion that can be carried over indefinitely. We believe the state tax credit is not likely to be realized.
As of December 31, 2017,2020, we maintained a valuation allowance with respect to certain of our deferred tax assets relating primarily to investment losses that are capital in nature, California deferred tax assets, certain federal net operating losses, certain state tax credits, net deferred tax assets relating to certain of our Other Bets, and certain foreign net operating losses that we believe are not likely to be realized. We established a deferred tax asset forcontinue to reassess the book-to-tax basis difference in our investments in Arris shares received from the sale of the Motorola Home business to Arris in 2013. Since any future losses to be recognized upon the sale of Arris shares will be capital losses, a valuation allowance has been recorded against this deferred tax asset to the extent such deferred tax asset is not likely to be covered by capital gains generated as of December 31, 2017. We reassess theremaining valuation allowance quarterly and if future evidence allows for a partial or full release of the valuation allowance, a tax benefit will be recorded accordingly.

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Uncertain Tax Positions
The following table summarizes the activity related to our gross unrecognized tax benefits from January 1, 2015 to December 31, 2017 (in millions):
Year Ended December 31,
2015 2016 2017 201820192020
Beginning gross unrecognized tax benefits$3,294
 $4,167
 $5,393
Beginning gross unrecognized tax benefits$4,696 $4,652 $3,377 
Increases related to prior year tax positions224
 899
 685
Increases related to prior year tax positions321 938 372 
Decreases related to prior year tax positions(176) (157) (257)Decreases related to prior year tax positions(623)(143)(557)
Decreases related to settlement with tax authorities(27) (196) (1,875)Decreases related to settlement with tax authorities(191)(2,886)(45)
Increases related to current year tax positions852
 680
 750
Increases related to current year tax positions449 816 690 
Ending gross unrecognized tax benefits$4,167
 $5,393
 $4,696
Ending gross unrecognized tax benefits$4,652 $3,377 $3,837 
The total amount of gross unrecognized tax benefits was $4.2$4.7 billion, $5.4$3.4 billion, and $4.7$3.8 billion as of December 31, 2015, 2016,2018, 2019, and 2017,2020, respectively, of which, $3.6$2.9 billion, $4.3$2.3 billion, and $3.0$2.6 billion, if recognized, would affect our effective tax rate.rate, respectively. The decrease in gross unrecognized tax benefits in 20172019 was primarily as a result of the resolution of a multi-year U.S. audit.audits.
As of December 31, 20162019 and 2017,2020, we had accrued $493$130 million and $362$222 million in interest and penalties in provision for income taxes, respectively.
We file income tax returns in the U.S. federal jurisdiction and in many state and foreign jurisdictions, our two2 major tax jurisdictions are the U.S. federal and Ireland. We are subject to the continuous examination of our income tax returns by the IRS and other tax authorities. The IRS completed its examination through our 2012 tax years; all issues have been concluded except for one which is currently under review in the U.S. Tax Court. The IRS is currently examining our 20132016 through 20152018 tax returns. We have also received tax assessments in multiple foreign jurisdictions asserting transfer pricing adjustments or permanent establishment. We continue to defend any and all such claims as presented.
Our 2016The tax year remains subject to examination by the IRS for U.S. federal tax purposes, and ouryears 2011 through 2016 tax years2019 remain subject to examination by the appropriate governmental agencies for Irish tax purposes. There are other ongoing audits in various other jurisdictions that are not material to our financial statements.
We regularly assess the likelihood of adverse outcomes resulting from these examinations to determine the adequacy of our provision for income taxes. We continue to monitor the progress of ongoing discussions with tax authorities and the impact,effect, if any, of the expected expiration of the statute of limitations in various taxing jurisdictions.
We believe that an adequate provision has been made for any adjustments that may result from tax examinations. However, the outcome of tax audits cannot be predicted with certainty. If any issues addressed in our tax audits are resolved in a manner not consistent with management's expectations, we could be required to adjust our provision for income taxes in the period such resolution occurs. Although the timing of resolution, settlement, and closure of audits is not certain, we do not believe it is reasonably possible that certain U.S. federal and non-U.S. tax audits may be concluded within the next 12 months, which could significantly increase or decrease the balance of our gross unrecognized tax benefits.
We estimate that our unrecognized tax benefits as of December 31, 2017 could possibly decrease by approximately $500 millionwill materially change in the next 12 months. Positions that may be resolved include various U.S. and non-U.S. matters.
Note 15. Information about Segments and Geographic Areas
We operateBeginning in the fourth quarter of 2020, we report our business in multiple operating segments.segment results as Google is our only reportable segment. None of our other segments meet the quantitative thresholds to qualify as reportable segments; therefore, the other operating segments are combinedServices, Google Cloud, and disclosed as Other Bets.Bets:
Our reported segments are:
Google – GoogleServices includes our main products and services such as Ads,ads, Android, Chrome, Commerce, Google Cloud,hardware, Google Maps, Google Play, Hardware, Search, and YouTube. Our technical infrastructure and some newer efforts like virtual reality are also included in Google. Google Services generates revenues primarily from advertising; sales of apps, in-app purchases, digital content products, and hardware; and licensingfees received for subscription-based products such as YouTube Premium and service fees, includingYouTube TV.
Google Cloud includes Google’s infrastructure and data analytics platforms, collaboration tools, and other services for enterprise customers. Google Cloud generates revenues primarily from fees received for Google Cloud offerings.
Platform services and Google Workspace (formerly known as G Suite) collaboration tools.
Other Bets – Other Bets is a combination of multiple operating segments that are not individually material. Other Bets includes businesses such as Access, Calico, CapitalG, GV, Nest, Verily, Waymo, and X. Revenues

from the Other Bets are derived primarily through the salessale of internet and TV services through Fiber, sales of Nest products and services, andas well as licensing and R&D services through Verily. services.
Revenues cost of revenues, and certain costs, such as costs associated with content and traffic acquisition, certain engineering, and hardware costs and other operating expenses, are generally directly attributedattributable to our segments. Inter-segment revenuesDue to the integrated nature of Alphabet, other costs and expenses, such as technical infrastructure and office facilities, are not presented separately,managed
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centrally at a consolidated level. The associated costs, including depreciation and impairment, are allocated to operating segments as these amountsa service cost generally based on usage or headcount.
Unallocated corporate costs primarily include corporate initiatives, corporate shared costs, such as finance and legal, including fines and settlements, as well as costs associated with certain shared research and development activities. Additionally, hedging gains (losses) related to revenue are immaterial. included in corporate costs.
Our Chief Operating Decision Maker does not evaluate operating segments using asset information.
Information about segments during the periods presented were as follows (in millions):. For comparative purposes, amounts in prior periods have been recast:
Year Ended December 31,
201820192020
Revenues:
Google Services$130,524 $151,825 $168,635 
Google Cloud5,838 8,918 13,059 
Other Bets595 659 657 
Hedging gains (losses)(138)455 176 
Total revenues$136,819 $161,857 $182,527 
Operating income (loss):
Google Services$43,137 $48,999 $54,606 
Google Cloud(4,348)(4,645)(5,607)
Other Bets(3,358)(4,824)(4,476)
Corporate costs, unallocated(1)
(7,907)(5,299)(3,299)
Total income from operations$27,524 $34,231 $41,224 
 Year Ended December 31,
 2015 2016 2017
Revenues:     
Google$74,544
 $89,463
 $109,652
Other Bets445
 809
 1,203
Total revenues$74,989
 $90,272
 $110,855
 Year Ended December 31,
 2015 2016 2017
Operating income (loss):     
Google$23,319
 $27,892
 $32,908
Other Bets(3,456) (3,578) (3,355)
Reconciling items(1)
(503) (598) (3,407)
Total income from operations$19,360
 $23,716
 $26,146
(1)
Reconciling items are primarily comprised of the European Commission fine for the year ended December 31, 2017, as well as corporate administrative costs and other miscellaneous items that are not allocated to individual segments for all periods presented.
 Year Ended December 31,
 2015 2016 2017
Capital expenditures:     
Google$8,868
 $9,417
 $12,605
Other Bets850
 1,385
 507
Reconciling items(2)
232
 (590) 72
Total capital expenditures as presented on the Consolidated Statements of Cash Flows$9,950
 $10,212
 $13,184
(2)
Reconciling items are related to timing differences of payments as segment capital expenditures are on accrual basis while total capital expenditures shown on the Consolidated Statements of Cash Flow are on cash basis and other miscellaneous differences.

Stock-based compensation (SBC)(1)    Corporate costs, unallocated includes a fine of $5.1 billion for the year ended December 31, 2018 and depreciation, amortization,a fine and impairment are included in segment operating income (loss) as shown below (in millions):
 Year Ended December 31,
 2015 2016 2017
Stock-based compensation:     
Google$4,610
 $5,926
 $7,038
Other Bets475
 647
 493
Reconciling items(3)
118
 130
 148
Total stock-based compensation(4)
$5,203
 $6,703
 $7,679
      
Depreciation, amortization, and impairment:     
Google$4,839
 $5,800
 $6,520
Other Bets203
 340
 395
 Reconciling items(5)
21
 4
 
Total depreciation, amortization, and impairment as presented on the Consolidated Statements of Cash Flows$5,063
 $6,144
 $6,915
(3)
Reconciling items represent corporate administrative costs that are not allocated to individual segments.
(4)
For purposes of segment reporting, SBC represents awards that we expect to settle in Alphabet stock.
(5)
Reconciling items are primarily related to corporate administrative costs and other miscellaneous items that are not allocated to individual segments.
The following table presents our long-lived assets by geographic area (in millions):
 As of
December 31, 2016
 As of
December 31, 2017
Long-lived assets:   
United States$47,383
 $55,113
International14,706
 17,874
Total long-lived assets$62,089
 $72,987
legal settlement totaling $2.3 billion for the year ended December 31, 2019.
For revenues by geography, see Note 2.
The following table presents certain of our long-lived assets by geographic area, which includes property and equipment, net and operating lease assets (in millions).
 As of
December 31, 2019
As of
December 31, 2020
Long-lived assets:
United States$63,102 $69,315 
International21,485 27,645 
Total long-lived assets$84,587 $96,960 

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ITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE
ITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE
None.
ITEM 9A.CONTROLS AND PROCEDURES
ITEM 9A.CONTROLS AND PROCEDURES
Evaluation of Disclosure Controls and Procedures
Our management, with the participation of our chief executive officer and chief financial officer, evaluated the effectiveness of our disclosure controls and procedures pursuant to Rule 13a-15 under the Exchange Act, as of the end of the period covered by this Annual Report on Form 10-K.
Based on this evaluation, our chief executive officer and chief financial officer concluded that, as of December 31, 2017,2020, our disclosure controls and procedures are designed at a reasonable assurance level and are effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our chief executive officer and chief financial officer, as appropriate, to allow timely decisions regarding required disclosure.
Changes in Internal Control over Financial Reporting
We rely extensively on information systems to manage our business and summarize and report operating results. In 2019, we began a multi-year implementation of a new global ERP system, which will replace much of our existing core financial systems. The ERP system is designed to accurately maintain our financial records, enhance the flow of financial information, improve data management and provide timely information to our management team. The implementation is expected to occur in phases over the next several years. The initial phase, which included changes to our general ledger and consolidated financial reporting systems, was completed during the third quarter of 2020. There werehave been no changes in our internal control over financial reporting that occurred during the quarter ended December 31, 20172020 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. However, as the phased implementation of the new ERP system continues, we will change our processes and procedures, which in turn, could result in changes to our internal control over financial reporting. As such changes occur, we will evaluate quarterly whether such changes materially affect our internal control over financial reporting.

As a result of COVID-19, our global workforce continued to operate primarily in a work from home environment for the quarter ended December 31, 2020. While pre-existing controls were not specifically designed to operate in our current work from home operating environment, we believe that our internal controls over financial reporting continue to be effective. We have continued to re-evaluate and refine our financial reporting process to provide reasonable assurance that we could report our financial results accurately and timely.
Management’s Report on Internal Control over Financial Reporting
Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) of the Exchange Act. Our management conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework). Based on this evaluation, management concluded that our internal control over financial reporting was effective as of December 31, 2017.2020. Management reviewed the results of its assessment with our Audit and Compliance Committee. The effectiveness of our internal control over financial reporting as of December 31, 20172020 has been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in its report which is included in Item 8 of this Annual Report on Form 10-K.
Limitations on Effectiveness of Controls and Procedures
In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply its judgment in evaluating the benefits of possible controls and procedures relative to their costs.
ITEM 9B.OTHER INFORMATION
None.
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ITEM 9B.OTHER INFORMATIONAlphabet Inc.
None.

PART III
ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
The information required by this item will be included under the caption “Directors, Executive Officers, and Corporate Governance” in our Proxy Statement for 20182021 Annual Meeting of Stockholders to be filed with the SEC within 120 days of the fiscal year ended December 31, 2017 (20182020 (2021 Proxy Statement) and is incorporated herein by reference. The information required by this item regarding delinquent filers pursuant to Item 405 of Regulation S-K will be included under the caption “Section 16(a) Beneficial Ownership Reporting Compliance” in the 20182021 Proxy Statement and is incorporated herein by reference.
ITEM 11.EXECUTIVE COMPENSATION
ITEM 11.EXECUTIVE COMPENSATION
The information required by this item will be included under the captions “Director Compensation,” “Executive Compensation” and “Directors, Executive Officers, and Corporate Governance—Corporate Governance and Board Matters—Compensation Committee Interlocks and Insider Participation” in the 20182021 Proxy Statement and is incorporated herein by reference.
ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS
ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS
The information required by this item will be included under the captions “Common Stock Ownership of Certain Beneficial Owners and Management” and “Equity Compensation Plan Information” in 2018the 2021 Proxy Statement and is incorporated herein by reference.
ITEM��13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
The information required by this item will be included under the captions “Certain Relationships and Related Transactions” and “Directors, Executive Officers, and Corporate Governance—Corporate Governance and Board Matters—Director Independence” in the 20182021 Proxy Statement and is incorporated herein by reference.
ITEM 14.PRINCIPAL ACCOUNTANT FEES AND SERVICES
ITEM 14.PRINCIPAL ACCOUNTANT FEES AND SERVICES
The information required by this item will be included under the caption “Independent Registered Public Accounting Firm” in the 20182021 Proxy Statement and is incorporated herein by reference.

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PART IV
ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES
ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES
(a)We have filed the following documents as part of this Annual Report on Form 10-K:
1. Consolidated Financial Statements
2. Financial Statement Schedules
Schedule II: Valuation and Qualifying Accounts
The table below details the activity of the allowance for doubtful accountscredit losses and sales credits for the three years ended December 31, 20172018, 2019 and 2020 (in millions):
Balance at
Beginning of
Year
AdditionsUsageBalance at
End of Year
Year ended December 31, 2018$674 $1,115 $(1,060)$729 
Year ended December 31, 2019$729 $1,481 $(1,457)$753 
Year ended December 31, 2020$753 $2,013 $(1,422)$1,344 
 
Balance at
Beginning of
Year
 Additions Usage 
Balance at
End of Year
Year ended December 31, 2015$225
 $579
 $(508) $296
Year ended December 31, 2016$296
 $942
 $(771) $467
Year ended December 31, 2017$467
 $1,131
 $(924) $674

Note:Additions to the allowance for doubtful accountscredit losses are charged to expense. Additions to the allowance for sales credits are charged against revenues.
All other schedules have been omitted because they are not required, not applicable, or the required information is otherwise included.
3. Exhibits
Exhibit

Number
DescriptionDescriptionIncorporated by reference herein
FormDate
2.01
Current Report on Form 8-K (File No. 001-37580)


October 2, 2015
3.01Current Report on Form 8-K (File No. 001-37580)October 2, 2015
3.02Current Report on Form 8-K (File No. 001-37580)October 2, 201527, 2020
4.01Current Report on Form 8-K (File No. 001-37580)October 2, 2015
4.02Current Report on Form 8-K (File No. 001-37580)October 2, 2015
4.03Current Report on Form 8-K (File No. 001-37580)October 2, 2015
4.04Current Report on Form 8-K (File No. 001-37580)October 2, 2015

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Alphabet Inc.
Exhibit

Number
DescriptionDescriptionIncorporated by reference herein
FormDate
4.05
Current Report on Form 8-K (File No. 001-37580)


October 2, 2015
4.06
Current Report on Form 8-K (File No. 001-37580)


October 2, 2015
4.07Current Report on Form 8-K (File No. 001-37580)October 2, 2015
4.08
Registration Statement on Form S-3

(File No. 333-209510)
February 12, 2016
4.09
Registration Statement on Form S-3

(File No. 333-209518)
February 12, 2016
4.10Current Report on Form 8-K

(File No. 001-37580)
April 27, 2016
4.11
4.12
4.13Current Report on Form 8-K (File No. 001-37580)August 9, 2016
10.014.14Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.15Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.16Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.17Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.18Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.19Current Report on Form 8-K (File No. 001-37580)August 5, 2020
4.20Annual Report on Form 10-K (File No. 001-37580)February 4, 2020
10.01
u

Current Report on Form 8-K (File No. 001-37580)October 2, 2015
10.02u

Current Report on Form 8-K (File No. 001-37580)October 2, 2015
10.03uCurrent Report on Form 8-K (File No. 001-37580)October 2, 2015
10.04uCurrent Report on Form 8-K (File No. 001-37580)October 2, 2015
10.05uCurrent Report on Form 8-K (File No. 000-50726)June 7, 2011
10.05.1u
Annual Report on Form 10-K

(File No. 000-50726)
March 30, 2005
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10.05.2Alphabet Inc.
Exhibit
Number
DescriptionIncorporated by reference herein
FormDate
10.05.2u
Annual Report on Form 10-K

(File No. 000-50726)
March 30, 2005
10.05.3u
Registration Statement on Form S-3

(File No. 333-142243)
April 20, 2007
10.06u
Current Report on Form 8-K

(File No. 001-37580)
June 9, 20175, 2020
10.06.1u
QuarterlyAnnual Report on Form 10-Q
10-K
(File No. 001-37580)
000-50726)
November 3, 2016February 4, 2020
10.0710.06.2u
Annual Report on Form 10-K
(File No. 000-50726)
February 4, 2020
10.07u
Registration Statement on Form S-8
(File No. 333-181661)
May 24, 2012


Alphabet Inc.

14.01
Exhibit
Number
DescriptionIncorporated by reference herein
FormDate
10.08u
Registration Statement on Form S-8
(File No. 333-167411)
June 9, 2010
10.09u
Registration Statement on Form S-8
(File No. 333-214573)
November 10, 2016
10.09.1u
Registration Statement on Form S-8
(File No. 333-214573)
November 10, 2016
12.01*
14.01*
Annual Report on Form 10-K
(File No. 001-37580)
February 6, 2018
21.01*
23.01*

24.01*
31.01*
31.02*
32.01

99.01
Current Report on Form 8-K

(File No. 001-37580)
June 27, 2017September 5, 2020
101.INS99.02*Current Report on Form 8-K
(File No. 001-37580)
October 23, 2020
101.INS*Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH**XBRL Taxonomy Extension Schema Document
101.CAL**XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF**XBRL Taxonomy Extension Definition Linkbase Document
101.LAB**XBRL Taxonomy Extension Label Linkbase Document
96

101.PRE*Alphabet Inc.
Exhibit
Number
DescriptionIncorporated by reference herein
FormDate
101.PRE*XBRL Taxonomy Extension Presentation Linkbase Document
104
Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
_________________
uIndicates management compensatory plan, contract, or arrangement.
*Filed herewith.
Furnished herewith.



Alphabet Inc.

ITEM 16.FORM 10-K SUMMARY
ITEM 16.FORM 10-K SUMMARY
None.

97

Alphabet Inc.

SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrantRegistrant has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized.
Date: February 5, 20182, 2021
 
ALPHABET INC.
By:
/S/    LARRYSUNDAR PAGE        ICHAI        
Larry PageSundar Pichai
Chief Executive Officer

(Principal Executive Officer of the Registrant)


POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Larry PageSundar Pichai and Ruth M. Porat, jointly and severally, his or her attorney-in-fact, with the power of substitution, for him or her in any and all capacities, to sign any amendments to this Annual Report on Form 10-K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his or her substitute or substitutes, may do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.
 


 




98
Alphabet Inc.


SignatureTitleAlphabet Inc.

SignatureTitleDate
/S/ LARRYSUNDAR PAGE        ICHAI
Chief Executive Officer Co-Founder, and Director (Principal Executive Officer)February 5, 20182, 2021
Larry PageSundar Pichai
/S/    RUTH M. PORAT        
Senior Vice President and Chief Financial Officer (Principal Financial Officer)February 5, 20182, 2021
Ruth M. Porat
/S/    JAMES G. CAMPBELLAMIE THUENER O'TOOLE        
Vice President Corporate Controller, and Chief Accounting Officer (Principal Accounting Officer)February 5, 20182, 2021
James G. CampbellAmie Thuener O'Toole
/S/    SERGEY BRIN   /    FRANCES H. ARNOLD   
President, DirectorFebruary 2, 2021
Frances H. Arnold
/S/    SERGEY BRIN   
Co-Founder and DirectorFebruary 5, 20182, 2021
Sergey Brin
/S/    JOHNS/    L. HENNESSY   JOHN DOERR        
Director ChairFebruary 5, 20182, 2021
L. John L. HennessyDoerr
/s/    ERIC E. SCHMIDT/    ROGER W. FERGUSON, JR.
DirectorFebruary 5, 20182, 2021
Eric E. Schmidt
/S/    L. JOHN DOERR        
DirectorFebruary 5, 2018
L. John Doerr
/S/    ROGER W. FERGUSON, JR.
DirectorFebruary 5, 2018
Roger W. Ferguson, Jr.
/S/    DIANE B. GREENE        JOHN L. HENNESSY
Director, ChairFebruary 5, 20182, 2021
Diane B. GreeneJohn L. Hennessy
/S/    ANN MATHER       
DirectorFebruary 5, 20182, 2021
Ann Mather
/S/    ALAN R. MULALLY
DirectorFebruary 5, 20182, 2021
Alan R. Mulally
/s/ SUNDAR/    LARRY PICHAIAGE        
Co-Founder and DirectorFebruary 5, 20182, 2021
Sundar PichaiLarry Page
/S/    K. RAM SHRIRAM       
DirectorFebruary 5, 20182, 2021
K. Ram Shriram
/S/    SHIRLEY M. TILGHMAN        Robin L. Washington      
DirectorFebruary 5, 20182, 2021
Shirley M. TilghmanRobin L. Washington


99