Warner Bros. Discovery (WBD) 10-Q 7 Nov 19 2019 Q3 Quarterly report Financial data

Cover Page

Cover Page - shares	9 Months Ended
	Sep. 30, 2019	Oct. 28, 2019
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	001-34177
Entity Registrant Name	Discovery, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	35-2333914
Entity Address, Address Line One	8403 Colesville Road
Entity Address, City or Town	Silver Spring,
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	20910
City Area Code	240
Local Phone Number	662-2000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001437107
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Series A Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Series A Common Stock
Trading Symbol	DISCA
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding (in shares)		158,140,027
Series B Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Series B Common Stock
Trading Symbol	DISCB
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding (in shares)		6,512,378
Series C Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Series C Common Stock
Trading Symbol	DISCK
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding (in shares)		360,663,977

Consolidated Balance Sheets (un

Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 813	$ 986
Receivables, net	2,695	2,620
Content rights, net	442	313
Prepaid expenses and other current assets	363	312
Total current assets	4,313	4,231
Noncurrent content rights, net	3,095	3,069
Property and equipment, net	856	800
Goodwill, net	12,977	13,006
Intangible assets, net	8,880	9,674
Equity method investments, including note receivable (See Note 3)	529	935
Other noncurrent assets	2,175	835
Total assets	32,825	32,550
Current liabilities:
Accounts payable	380	325
Accrued liabilities	1,462	1,604
Deferred revenues	384	249
Current portion of debt	611	1,819
Total current liabilities	2,837	3,997
Noncurrent portion of debt	14,757	14,974
Deferred income taxes	1,624	1,811
Other noncurrent liabilities	2,028	1,251
Total liabilities	21,246	22,033
Commitments and contingencies (See Note 19)
Redeemable noncontrolling interests	446	415
Discovery, Inc. stockholders’ equity:
Additional paid-in capital	10,718	10,647
Treasury stock, at cost: 178 and 167 shares	(7,037)	(6,737)
Retained earnings	6,859	5,254
Accumulated other comprehensive loss	(1,029)	(785)
Total Discovery, Inc. stockholders' equity	9,518	8,386
Noncontrolling interests	1,615	1,716
Total equity	11,133	10,102
Total liabilities and equity	32,825	32,550
Series A-1 Convertible Preferred Stock
Discovery, Inc. stockholders’ equity:
Convertible preferred stock	0	0
Series C-1 Convertible Preferred Stock
Discovery, Inc. stockholders’ equity:
Convertible preferred stock	0	0
Series A Common Stock
Discovery, Inc. stockholders’ equity:
Common stock	2	2
Treasury stock, at cost: 178 and 167 shares	(171)
Series B Common Stock
Discovery, Inc. stockholders’ equity:
Common stock	0	0
Series C Common Stock
Discovery, Inc. stockholders’ equity:
Common stock	5	$ 5
Treasury stock, at cost: 178 and 167 shares	$ (6,900)

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares shares in Millions	Sep. 30, 2019	Dec. 31, 2018
Treasury stock (in shares)	178	167
Series A-1 Convertible Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized (in shares)	8	8
Preferred stock issued (in shares)	8	8
Preferred stock outstanding (in shares)	8	8
Series C-1 Convertible Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized (in shares)	6	6
Preferred stock issued (in shares)	5	6
Preferred stock outstanding (in shares)	5	6
Series A Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	1,700	1,700
Common stock issued (in shares)	161	160
Common stock outstanding (in shares)	158	157
Treasury stock (in shares)	2.8
Series B Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	100	100
Common stock issued (in shares)	7	7
Common stock outstanding (in shares)	7	7
Series C Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	2,000	2,000
Common stock issued (in shares)	537	524
Common stock outstanding (in shares)	362	360
Treasury stock (in shares)	175.7

Consolidated Statements of Oper

Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Revenues	$ 2,678	$ 2,592	$ 8,270	$ 7,744
Costs and expenses:
Costs of revenues, excluding depreciation and amortization	914	934	2,782	2,989
Selling, general and administrative	660	667	1,995	1,963
Depreciation and amortization	322	398	1,014	1,001
Impairment of goodwill	155	0	155	0
Restructuring and other charges	8	224	20	652
Gain on disposition	0	0	0	(84)
Total costs and expenses	2,059	2,223	5,966	6,521
Operating income	619	369	2,304	1,223
Interest expense, net	(163)	(185)	(515)	(558)
Loss on extinguishment of debt	0	0	(28)	0
(Loss) income from equity investees, net	(11)	9	(20)	(53)
Other expense, net	(1)	(15)	(10)	(84)
Income before income taxes	444	178	1,731	528
Income tax expense	(147)	(43)	(29)	(146)
Net income	297	135	1,702	382
Net income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Net income attributable to redeemable noncontrolling interests	(6)	(5)	(15)	(16)
Net income available to Discovery, Inc.	$ 262	$ 117	$ 1,593	$ 325
Series A, B and C Common Stock
Net income per share allocated to Discovery, Inc. Series A, B and C common stockholders:
Basic (in dollars per share)	$ 0.35	$ 0.16	$ 2.22	$ 0.47
Diluted (in dollars per share)	$ 0.35	$ 0.16	$ 2.21	$ 0.47
Weighted average shares outstanding:
Basic (in shares)	535	523	529	490
Diluted (in shares)	713	713	714	679
Advertising
Revenues:
Revenues	$ 1,413	$ 1,365	$ 4,447	$ 3,940
Distribution
Revenues:
Revenues	1,201	1,152	3,631	3,389
Other
Revenues:
Revenues	$ 64	$ 75	$ 192	$ 415

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 297	$ 135	$ 1,702	$ 382
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(146)	34	(205)	(169)
Derivatives	30	(8)	(9)	16
Comprehensive income	181	161	1,488	229
Comprehensive income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Comprehensive income attributable to redeemable noncontrolling interests	(5)	(4)	(15)	(15)
Comprehensive income attributable to Discovery, Inc.	$ 147	$ 144	$ 1,379	$ 173

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities
Net income	$ 1,702	$ 382
Adjustments to reconcile net income to cash provided by operating activities:
Content rights amortization and impairment	2,078	2,523
Depreciation and amortization	1,014	1,001
Deferred income taxes	(572)	(140)
Impairment of goodwill	155	0
Share-based compensation expense	82	92
Equity in losses of equity method investee companies, net of cash distributions	61	106
Unrealized loss (gain) from derivative instruments, net	53	(2)
Loss on extinguishment of debt	28	0
Remeasurement gain on previously held equity interest	(14)	0
Realized gain from derivative instruments, net	(12)	0
Gain on disposition	0	(84)
Other, net	47	56
Changes in operating assets and liabilities, net of acquisitions and dispositions:
Receivables, net	(84)	(19)
Content rights and payables, net	(2,332)	(2,222)
Accounts payable and accrued liabilities	(21)	(123)
Prepaid income taxes and income taxes receivable	43	(53)
Foreign currency and other, net	(61)	130
Cash provided by operating activities	2,167	1,647
Investing Activities
Business acquisitions, net of cash acquired	(60)	(8,565)
Investments in and advances to equity investments	(215)	(56)
Purchases of property and equipment	(189)	(106)
Proceeds from dissolution of joint venture and sale of investments	117	0
Proceeds from (payments for) derivative instruments, net	52	(3)
Proceeds from dispositions, net of cash disposed	0	107
Proceeds from sale of assets	0	68
Other investing activities, net	4	6
Cash used in investing activities	(291)	(8,549)
Financing Activities
Principal repayments of debt, including discount payment	(2,652)	0
Borrowings from debt, net of discount and issuance costs	1,479	0
Repurchases of stock	(300)	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	(227)	(59)
Principal repayments of revolving credit facility	(225)	(100)
Principal repayments of finance lease obligations	(35)	(37)
Payments for hedging instruments	(18)	0
Share-based plan (payments) proceeds, net	(9)	44
(Repayments) borrowings under program financing line of credit, net	(8)	23
Borrowings under term loan facilities	0	2,000
Principal repayments of term loans	0	(2,000)
Commercial paper borrowings, net	0	293
Other financing activities, net	3	(16)
Cash (used in) provided by financing activities	(1,992)	148
Effect of exchange rate changes on cash and cash equivalents	(57)	(24)
Net change in cash and cash equivalents	(173)	(6,778)
Cash and cash equivalents, beginning of period	986	7,309
Cash and cash equivalents, end of period	$ 813	$ 531

Consolidated Statements of Equi

Consolidated Statements of Equity (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Discovery, Inc. Stockholders’ Equity	Noncontrolling Interests	Scripps Networks	Scripps NetworksCommon Stock	Scripps NetworksAdditional Paid-In Capital	Scripps NetworksDiscovery, Inc. Stockholders’ Equity	Scripps NetworksNoncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2017		14	547
Beginning balance at Dec. 31, 2017	$ 4,610	$ 0	$ 5	$ 7,295	$ (6,737)	$ 4,632	$ (585)	$ 4,610	$ 0
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	(3)					(8)		(8)	5
Other comprehensive loss	(2)						(2)	(2)
Share-based compensation	41			41				41
Tax settlements associated with share-based compensation	(16)			(16)				(16)
Issuance of stock and noncontrolling interest in connection with the acquisition of Scripps Networks Interactive, Inc. (Scripps Networks) (in shares)											139
Issuance of stock and noncontrolling interest in connection with the acquisition of Scripps Networks Interactive, Inc. (Scripps Networks)										$ 4,918	$ 1	$ 3,217	$ 3,218	$ 1,700
Issuance of stock in connection with share-based plans (in shares)			4
Issuance of stock in connection with share-based plans	39			39				39
Ending balance (in shares) at Mar. 31, 2018		14	690
Ending balance at Mar. 31, 2018	9,594	$ 0	$ 6	10,576	(6,737)	4,657	(613)	7,889	1,705
Beginning balance (in shares) at Dec. 31, 2017		14	547
Beginning balance at Dec. 31, 2017	4,610	$ 0	$ 5	7,295	(6,737)	4,632	(585)	4,610	0
Increase (Decrease) in Stockholders' Equity
Other comprehensive loss	(153)						(153)
Ending balance (in shares) at Sep. 30, 2018		14	690
Ending balance at Sep. 30, 2018	9,819	$ 0	$ 6	10,627	(6,737)	4,984	(764)	8,116	1,703
Beginning balance (in shares) at Mar. 31, 2018		14	690
Beginning balance at Mar. 31, 2018	9,594	$ 0	$ 6	10,576	(6,737)	4,657	(613)	7,889	1,705
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	239					216		216	23
Other comprehensive loss	(177)						(177)	(177)
Share-based compensation	11			11				11
Tax settlements associated with share-based compensation	(1)			(1)				(1)
Dividends paid to noncontrolling interests	(38)								(38)
Issuance of stock in connection with share-based plans (in shares)			0
Issuance of stock in connection with share-based plans	4			4				4
Redeemable noncontrolling interest adjustments to redemption value	(6)					(6)		(6)
Ending balance (in shares) at Jun. 30, 2018		14	690
Ending balance at Jun. 30, 2018	9,626	$ 0	$ 6	10,590	(6,737)	4,867	(790)	7,936	1,690
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	130					117		117	13
Other comprehensive loss	26						26	26
Share-based compensation	19			19				19
Tax settlements associated with share-based compensation	(1)			(1)				(1)
Issuance of stock in connection with share-based plans (in shares)			0
Issuance of stock in connection with share-based plans	19			19				19
Ending balance (in shares) at Sep. 30, 2018		14	690
Ending balance at Sep. 30, 2018	9,819	$ 0	$ 6	10,627	(6,737)	4,984	(764)	8,116	1,703
Beginning balance (in shares) at Dec. 31, 2018		14	691
Beginning balance at Dec. 31, 2018	10,102	$ 0	$ 7	10,647	(6,737)	5,254	(785)	8,386	1,716
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	413					384		384	29
Other comprehensive loss	(80)						(80)	(80)
Share-based compensation	38			38				38
Tax settlements associated with share-based compensation	(21)			(21)				(21)
Dividends paid to noncontrolling interests	(153)								(153)
Issuance of stock in connection with share-based plans (in shares)			2
Issuance of stock in connection with share-based plans	6			6				6
Redeemable noncontrolling interest adjustments to redemption value	(5)					(5)		(5)
Ending balance (in shares) at Mar. 31, 2019		14	693
Ending balance at Mar. 31, 2019	10,300	$ 0	$ 7	10,670	(6,737)	5,663	(895)	8,708	1,592
Beginning balance (in shares) at Dec. 31, 2018		14	691
Beginning balance at Dec. 31, 2018	10,102	$ 0	$ 7	10,647	(6,737)	5,254	(785)	8,386	1,716
Increase (Decrease) in Stockholders' Equity
Other comprehensive loss	(214)						(214)
Ending balance (in shares) at Sep. 30, 2019		13	705
Ending balance at Sep. 30, 2019	11,133	$ 0	$ 7	10,718	(7,037)	6,859	(1,029)	9,518	1,615
Beginning balance (in shares) at Mar. 31, 2019		14	693
Beginning balance at Mar. 31, 2019	10,300	$ 0	$ 7	10,670	(6,737)	5,663	(895)	8,708	1,592
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	983					947		947	36
Other comprehensive loss	(18)						(18)	(18)
Preferred stock conversion (in shares)		(1)	12
Preferred stock conversion	0							0
Share-based compensation	19			19				19
Dividends paid to noncontrolling interests	(28)								(28)
Issuance of stock in connection with share-based plans (in shares)			0
Issuance of stock in connection with share-based plans	4			4				4
Prepayments for common stock repurchase contracts, net of settlements	(45)			(45)				(45)
Redeemable noncontrolling interest adjustments to redemption value	1					1		1
Ending balance (in shares) at Jun. 30, 2019		13	705
Ending balance at Jun. 30, 2019	11,221	$ 0	$ 7	10,648	(6,737)	6,616	(913)	9,621	1,600
Increase (Decrease) in Stockholders' Equity
Net income available to Discovery, Inc. and attributable to noncontrolling interests	291					262		262	29
Other comprehensive loss	(116)						(116)	(116)
Repurchases of stock (in shares)			0
Repurchases of stock	(300)				(300)	0		(300)
Share-based compensation	18			18				18
Tax settlements associated with share-based compensation	(1)			(1)				(1)
Dividends paid to noncontrolling interests	(14)								(14)
Issuance of stock in connection with share-based plans (in shares)			0
Issuance of stock in connection with share-based plans	3			3				3
Settlement of common stock repurchase contract	50			50				50
Redeemable noncontrolling interest adjustments to redemption value	(19)					(19)		(19)
Ending balance (in shares) at Sep. 30, 2019		13	705
Ending balance at Sep. 30, 2019	$ 11,133	$ 0	$ 7	$ 10,718	$ (7,037)	$ 6,859	$ (1,029)	$ 9,518	$ 1,615

Description of Business and Bas

Description of Business and Basis of Presentation	9 Months Ended
	Sep. 30, 2019
Accounting Policies [Abstract]
Description of Business and Basis of Presentation	DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Description of Business Discovery, Inc. (“Discovery” or the “Company”) is a global media company that provides content across multiple distribution platforms, including linear platforms such as pay-television ("pay-TV"), free-to-air ("FTA") and broadcast television, authenticated GO applications, digital distribution arrangements and content licensing agreements. The Company also operates a portfolio of digital direct-to-consumer products and production studios. As further discussed in Note 2, on March 6, 2018 , the Company acquired Scripps Networks Interactive, Inc. ("Scripps Networks"). The Company presents the following business units: U.S. Networks, consisting principally of domestic television networks and digital content services, and International Networks, consisting principally of international television networks and digital content services; and Other, consisting of a production studio. Financial information for Discovery’s reportable segments is discussed in Note 20. Principles of Consolidation and Basis of Presentation The consolidated financial statements include the accounts of Discovery and its majority-owned subsidiaries in which a controlling interest is maintained. For each non-wholly owned subsidiary, the Company evaluates its ownership and other interests to determine whether it should consolidate the entity or account for its ownership interest as an equity method investment or an equity investment without a readily determinable fair value. As part of its evaluation, the Company makes judgments in determining whether the entity is a variable interest entity ("VIE") and, if so, whether it is the primary beneficiary of the VIE and is thus required to consolidate the entity. (See Note 3.) Inter-company accounts and transactions between consolidated entities have been eliminated in consolidation. Unaudited Interim Financial Statements These consolidated financial statements are unaudited; however, in the opinion of management, they reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in Discovery’s Annual Report on Form 10-K for the year ended December 31, 2018 (the “ 2018 Form 10-K”). Use of Estimates The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions, and management’s evaluation could change as actual results may differ materially from those estimates. These estimates are sometimes complex, sensitive to changes in assumptions and may require fair value determinations using Level 3 fair value measurements. Estimates and judgments inherent in the preparation of the consolidated financial statements include, but are not limited to, accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, share-based compensation, defined benefit plans, income taxes, other financial instruments, contingencies and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests. Accounting and Reporting Pronouncements Adopted Leases In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2016-02, which requires lessees to recognize almost all of their leases on the balance sheet by recording a right-of-use asset and lease liability. The guidance also requires improved disclosures to help users of the financial statements better understand the amount, timing, and uncertainty of cash flows arising from leases. The Company adopted ASU 2016-02 effective January 1, 2019 and elected to apply the guidance at the effective date without recasting the comparative periods presented. Additionally, the Company elected to apply practical expedients allowing it to not reassess: 1) whether any expired or existing contracts previously assessed as not containing leases are, or contain, leases; 2) the lease classification for any expired or existing leases; and 3) initial direct costs for any existing leases. The Company also elected to not separate lease components from non-lease components across all lease categories. Instead, each separate lease component and non-lease component are accounted for as a single lease component. The Company did not elect to apply the practical expedient to use hindsight in determining the lease term and in assessing the right-of-use assets for impairment. Additionally, the Company did not elect to apply the short-term lease scope exemption. The adoption of ASU 2016-02 resulted in recognition of operating lease right-of-use assets of $342 million (included in “Other noncurrent assets”) and operating lease liabilities of $372 million (included in “Accrued liabilities” and “Other noncurrent liabilities”). The operating lease right-of use assets recorded upon adoption were offset by prepaid and deferred rent balances and ASC 420 liabilities totaling approximately $30 million . In addition, capital lease obligations totaling $252 million as of December 31, 2018 (known as finance lease liabilities effective January 1, 2019 ) were reclassified from current and noncurrent debt to components of "Accrued liabilities" and "Other noncurrent liabilities" on the consolidated balance sheet to conform with the new presentation. The adoption did not affect the pattern of expense recognition, cash flow presentation, or the Company's ability to meet its financial covenants. See Note 8 for further information. Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income In February 2018 , the FASB issued ASU 2018-02, which permits entities to reclassify tax effects stranded in accumulated other comprehensive income as a result of the 2017 Tax Cuts and Jobs Act ("TCJA") to retained earnings for each period in which the effect of the change is recorded. The update also requires entities to disclose their accounting policy for releasing income tax effects from accumulated other comprehensive income. The Company adopted ASU 2018-02 effective January 1, 2019 , which resulted in a reclassification of $30 million between accumulated other comprehensive loss and retained earnings on the consolidated balance sheet and the consolidated statement of equity. Tax effects unrelated to the TCJA are released from accumulated other comprehensive loss using either the specific identification approach or the portfolio approach based on the nature of the underlying item. Targeted Improvements to Accounting for Hedging Activities In August 2017 , the FASB issued ASU 2017-12, which includes significant amendments that expand the eligibility for hedge accounting to more financial and nonfinancial hedging strategies. The guidance is intended to align hedge accounting with companies’ risk management strategies, simplify the application of hedge accounting, and increase transparency as to the scope and results of hedging programs. In addition, the guidance amends the presentation and disclosure requirements and changes how companies assess effectiveness. The updated guidance is effective for fiscal years beginning after December 15, 2018 , with early adoption permitted. The Company early adopted the pronouncement on July 1, 2018 . As a result, the Company changed the method by which it assesses effectiveness for net investment hedges from the forward-method to the spot-method. The Company believes the spot method better matches the spot rate changes of the net investment. Previous net losses of $87 million incurred under the forward method related to net investment hedges will remain in other comprehensive loss under the currency translation adjustments component and will be reclassified to earnings when the net investment is sold or liquidated. The adoption of ASU 2017-12 did not result in a material impact to our consolidated results of operations; however, the Company has expanded its disclosures of its derivative activities in Note 9. Accounting and Reporting Pronouncements Not Yet Adopted Targeted Improvements to Accounting for Financial Instruments, Credit Losses, and Hedging Activities In April 2019 , the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments. The new ASU provides narrow-scope amendments to help apply these recent standards. The Company will be required to adopt the provisions of this ASU on January 1, 2020 , with early adoption permitted for certain amendments. The Company is currently assessing the impact that this pronouncement will have on its consolidated financial statements. Content In March 2019 , the FASB issued ASU 2019-02, which generally aligns the accounting for production costs of episodic television series with the accounting for production costs of films. In addition, ASU 2019-02 modifies certain aspects of the capitalization, impairment, presentation and disclosure requirements in Accounting Standards Codification (“ASC”) 926-20 and the impairment, presentation and disclosure requirements in ASC 920-350. This ASU must be adopted on a prospective basis and is effective for annual periods beginning after December 15, 2019 , including interim periods within those years, with early adoption permitted. The Company is currently evaluating the impact that this pronouncement will have on its consolidated financial statements and is in the process of updating policies, processes and controls in preparation for the adoption. Goodwill In January 2017 , the FASB issued ASU 2017-04, which simplifies the subsequent measurement of goodwill by eliminating Step 2 from the former two-step goodwill impairment test and eliminating the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment. Therefore, an entity will recognize impairment charges for the amount by which the carrying amount exceeds the reporting unit's fair value not to exceed the amount of goodwill recorded for that reporting unit. Goodwill impairment will no longer be measured as the excess of the carrying amount of goodwill over its implied fair value determined by assigning the fair value of a reporting unit to all of its assets and liabilities as if it had been acquired in a business combination. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017 . This ASU must be adopted on a prospective basis for the annual or any interim goodwill impairment tests beginning after December 15, 2019 . The Company is planning to adopt ASU 2017-04 for impairment tests to be performed after January 1, 2020. Financial Instruments - Credit Losses In June 2016 , the FASB issued ASU 2016-13, which changes the impairment model for most financial assets and certain other instruments, including trade and other receivables, held-to-maturity debt securities and loans, and requires entities to use a new, forward-looking “expected loss” model that would generally result in the earlier recognition of allowances for losses. This ASU is effective for annual periods beginning after December 15, 2019 , including interim periods within those years, with early adoption permitted. Adoption of the standard will be applied using a modified retrospective approach through a cumulative-effect adjustment to retained earnings as of the effective date to align our credit loss methodology with the new standard. The Company plans to adopt ASU 2016-13 effective January 1, 2020 and is currently aggregating collections data for new credit loss models and updating policies, processes and controls in preparation for the adoption. The effect of the adoption on the consolidated financial statements will largely depend on the composition and credit quality of the Company's assets falling within the scope of ASU 2016-13 and the information about current and forecasted economic conditions available at the time of adoption. Concentrations Risk Customers The Company has long-term contracts with distributors around the world. For the U.S. Networks segment, approximately 96% of distribution revenue comes from the Company's 10 largest distributors in the U.S. For the International Networks segment, approximately 37% of distribution revenue comes from the Company's 10 largest distributors outside of the U.S. Agreements in place with the 10 largest cable and satellite operators in the U.S. Networks and International Networks expire at various times from 2019 through 2024 . Additionally, agreements covering the legacy Scripps Networks’ portfolio may expire at different dates than those covering the legacy Discovery portfolio and thus the Company may be negotiating with a higher number of the 10 largest U.S. operators as one or more of the legacy company portfolio agreements expire. Although the Company seeks to renew its agreements with its distributors prior to expiration of a contract, a delay in securing a renewal that results in a service disruption, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company’s financial condition and results of operations. Not only could the Company experience a reduction in distribution revenue, but it could also experience a reduction in advertising revenue, as viewership is impacted by affiliate subscriber levels. No individual customer accounted for more than 10% of total consolidated revenues for the three and nine months ended September 30, 2019 or 2018 . As of September 30, 2019 and December 31, 2018 , the Company’s trade receivables did not represent a significant concentration of credit risk as the customers and markets in which the Company operates are varied and dispersed across many geographic areas.

Acquisitions And Dispositions

Acquisitions And Dispositions	9 Months Ended
	Sep. 30, 2019
Business Combinations [Abstract]
Acquisitions And Dispositions	ACQUISITIONS AND DISPOSITIONS Acquisitions UKTV - Lifestyle Business On June 11, 2019, the Company and BBC Studios (“BBC”) dissolved their 50/50 joint venture, UKTV, a British multi-channel broadcaster, with the Company taking full control of UKTV’s three lifestyle channels (the “Lifestyle Business”) and BBC taking full control of UKTV’s seven entertainment channels (the "Entertainment Business"). Prior to the transaction, the Company held a note receivable from UKTV of $118 million , which was included in equity method investments in the Company’s consolidated balance sheets. (See Note 3.) Concurrent with the transaction, the note was settled. To compensate Discovery for the note receivable and for the difference in fair value between the Lifestyle Business and the Entertainment Business retained by BBC, Discovery received cash of $88 million at closing and a note receivable from BBC of $130 million , payable in two equal installments on June 11, 2020 and 2021. The Company used a market-based valuation model to determine the fair value of the previously held 50% equity method investment in the Lifestyle Business and recognized a gain of $5 million for the difference between the carrying value and the fair value of the of the previously held equity interest, which is included in other expense, net in the Company's consolidated statements of operations. (See Note 17.) The Company applied the acquisition method of accounting to the Lifestyle Business, whereby the excess of the fair value of the business over the fair value of identifiable net assets was allocated to goodwill. The goodwill reflects the workforce and synergies expected from broader exposure to the lifestyle entertainment sector in the U.K. The goodwill recorded as part of this acquisition is included in the International Networks reportable segment and is not amortizable for tax purposes. Intangible assets consist of electronic program guide slots and trademarks and have a weighted average useful life of 6 years . The preliminary opening balance sheet is subject to adjustment based on final assessment of the fair values of certain acquired assets, principally intangibles, and certain liabilities assumed. The Company used discounted cash flow ("DCF") analyses, which represent Level 3 fair value measurements, to assess certain components of its purchase price allocation. As the Company finalizes the fair value of assets acquired and liabilities assumed, additional purchase price adjustments may be recorded during the measurement period. The Company will reflect measurement period adjustments, if any, in the period in which the adjustments occur. The preliminary fair value of Lifestyle Business assets acquired and liabilities assumed, as well as a reconciliation to total assets received in dissolution of the UKTV joint venture, is presented in the table below (in millions). Preliminary June 11, 2019 Cash $ 17 Content rights 18 Intangible assets 34 Goodwill 121 Accrued liabilities (12 ) Total assets acquired and liabilities assumed in Lifestyle Business 178 Note receivable from BBC 130 Cash received 88 Net assets received in dissolution of UKTV joint venture $ 396 A summary of total assets derecognized in connection with the dissolution of the UKTV joint venture is presented in the table below (in millions). Carrying value of UKTV equity method investment $ 278 Settlement of note receivable 118 Total assets derecognized in dissolution of UKTV joint venture $ 396 As described further in Note 5, in connection with the above transaction, the Company contemporaneously entered into a ten-year content licensing arrangement with BBC in exchange for license fees over the term. Scripps Networks On March 6, 2018 , Discovery acquired Scripps Networks pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among Discovery, Scripps Networks and Skylight Merger Sub, Inc. dated July 30, 2017 (the "acquisition of Scripps Networks"). The acquisition of Scripps Networks allows the Company to offer complementary brands with an extensive library of original programming to consumers and to create a scale player with the ability to compete for audiences and advertising revenue. The acquisition is intended to extend Scripps Networks' content to a broader international audience through Discovery's global distribution infrastructure. Finally, the acquisition of Scripps Networks is expected to create cost synergies for the Company. The consideration paid for the acquisition of Scripps Networks consisted of (i) for Scripps Networks shareholders that did not make an election or elected to receive the mixed consideration, $65.82 in cash and 1.0584 shares of Discovery Series C common stock for each Scripps Networks share, (ii) for Scripps Networks shareholders that elected to receive the cash consideration, $90.00 in cash for each Scripps Networks share, (iii) for Scripps Networks shareholders that elected to receive the stock consideration, 3.9392 shares of Discovery Series C common stock for each Scripps Networks share, subject to the terms and conditions set forth in the Merger Agreement and (iv) transaction costs that Discovery paid for costs incurred by Scripps Networks in conjunction with the acquisition. The following table summarizes the components of the aggregate consideration paid for the acquisition of Scripps Networks (in millions of dollars and shares, except for per share amounts, share conversion ratio and stock option conversion ratio) as of March 6, 2018 . Scripps Networks equity Scripps Networks shares outstanding 131 Cash consideration per Scripps Networks share $ 65.82 Cash portion of consideration $ 8,590 Scripps Networks shares outstanding 131 Share conversion ratio per Scripps Networks share 1.0584 Discovery Series C common stock 138 Discovery Series C common stock price per share $ 23.01 Equity portion of consideration $ 3,179 Shares awarded under Scripps Networks share-based compensation programs 3 Scripps Networks share-based compensation awards converting to cash 2 Average cash consideration per share awarded less applicable exercise price $ 46.90 Cash portion of consideration $ 88 Scripps Networks share-based compensation awards 1 Share-based compensation conversion ratio (based on intrinsic value per award) 3 Discovery Series C common stock issued (1) or share-based compensation converted (2) 3 Average equity value (intrinsic value of Discovery Series C common stock or options to be issued) $ 15.19 Share-based compensation equity value $ 51 Less: post-combination compensation expense (12 ) Equity portion of consideration 39 Scripps Networks transaction costs paid by Discovery 117 Total consideration paid $ 12,013 Balances reflect rounding of dollar and share amounts to millions, which may result in differences for recalculated standalone amounts compared with the amounts presented above. The Company applied the acquisition method of accounting to Scripps Networks' business, whereby the excess of the fair value of the business over the fair value of identifiable net assets was allocated to goodwill. Goodwill reflects workforce and synergies expected from cost savings, operations and revenue enhancements of the combined company that are expected to result from the acquisition. The goodwill recorded as part of this acquisition was allocated to the U.S. Networks and International Networks reportable segments in the amounts of $5.3 billion and $817 million , respectively, and is not amortizable for tax purposes. The Company used discounted cash flow ("DCF") analyses, which represent Level 3 fair value measurements, to assess certain components of its purchase price allocation. The fair value of equity interests previously held by Scripps Networks was determined using the discounted cash flow and market value methods. The fair value of trade-names and trademarks was determined using an income approach based on the relief from royalty method; the remaining intangibles were determined using an income approach based on the excess earnings method. The fair value of interest-bearing debt was determined using publicly-traded prices. For the fair value estimates, the Company used: (i) projected discounted cash flows, (ii) historical and projected financial information, (iii) synergies including cost savings and (iv) attrition rates, as relevant, that market participants would consider when estimating fair values. During the three months ended March 31, 2019, the Company finalized the fair value of assets acquired and liabilities assumed. Measurement period adjustments were reflected in the periods in which the adjustments occurred. The adjustments resulted from the receipt of additional financial projections associated with certain equity method investments, contingent liability estimates, deferred income tax adjustments, and true-ups for estimated working capital balances. The fair value of assets acquired and liabilities assumed, measurement period adjustments, as well as a reconciliation to consideration paid is presented in the table below (in millions). Preliminary March 6, 2018 Measurement Period Adjustments Final March 6, 2018 Accounts receivable $ 783 $ — $ 783 Other current assets 421 (9 ) 412 Content rights 1,088 (14 ) 1,074 Property and equipment 315 — 315 Goodwill 6,003 154 6,157 Intangible assets 9,175 — 9,175 Equity method investments, including note receivable 870 (157 ) 713 Other noncurrent assets 111 4 115 Current liabilities assumed (494 ) (105 ) (599 ) Debt assumed (2,481 ) — (2,481 ) Deferred income taxes (1,695 ) 123 (1,572 ) Other noncurrent liabilities (383 ) 4 (379 ) Noncontrolling interests (1,700 ) — (1,700 ) Total consideration paid $ 12,013 $ — $ 12,013 The table below presents a summary of intangible assets acquired (in millions) and weighted average estimated useful life of these assets. Fair Value Weighted Average Useful Life in Years Trademarks and trade names $ 1,225 10 Advertiser relationships 4,995 10 Advertising backlog 280 1 Affiliate relationships 2,455 12 Broadcast licenses 220 6 Total intangible assets acquired $ 9,175 Other On July 19, 2019, the Company contributed its linear cable network focused on home improvement, DIY Network, to a new joint venture, Magnolia Discovery Ventures, LLC ("Magnolia"), with Chip and Joanna Gaines acting as Chief Creative Officers to the joint venture. The joint venture will replace and rebrand the DIY Network, include a TV Everywhere app that will be released in 2020, and a subscription streaming service planned for a later date. Upon formation of Magnolia, Discovery received a 75% ownership interest in the joint venture. In exchange for providing services and exclusivity to the joint venture, the Gaines received a 25% ownership interest in the joint venture, a put right after 6.5 years at fair value, potential for an additional 5% incentive equity, and certain guaranteed payments. Discovery consolidated the joint venture under the voting interest consolidation model. Payments to the Gaines for rendering services in their capacity as the Chief Creative Officers of the joint venture will be accounted for as liability-classified share-based awards to non-employees as services are rendered. On May 13, 2019, the Company paid $36 million in cash to acquire Golf Digest, a leading golf brand whose content is available across multiple platforms, including print and social media. The Company applied the acquisition method of accounting to Golf Digest, whereby the excess of the fair value of the business over the fair value of identifiable net assets was allocated to goodwill. The Company recorded preliminary net assets of $36 million , subject to adjustment based on the final assessment of the fair values of the assets acquired and liabilities assumed, including net working capital liabilities of $12 million , intangible assets of $25 million and goodwill of $23 million . Intangible assets consist of trademarks and trade names and licensing agreements and have a weighted average useful life of 9 years . The goodwill reflects the workforce and synergies expected from broader exposure to the golf entertainment sector. The goodwill recorded as part of this acquisition is included in the International Networks reportable segment and is not amortizable for tax purposes. On January 8, 2019 , the Company paid $41 million in cash to acquire a controlling interest in Play Sports Group Limited ("PSG"), increasing Discovery's ownership stake from 20.1% to 70.7% . The Company recognized a gain of $8 million , which represents the difference between the carrying value and the fair value of the previously held 20.1% equity method investment. The gain is included in other expense, net in the Company's consolidated statement of operations. (See Note 17.) The Company consolidated PSG under the voting interest model upon the closing of the transaction and as a result, the accounting for PSG was changed from an equity method investment to a consolidated subsidiary. The Company applied the acquisition method of accounting to PSG, whereby the excess of the fair value of the business over the fair value of identifiable net assets was allocated to goodwill. The Company recorded preliminary net assets of $79 million , subject to adjustment based on the final assessment of the fair values of the assets acquired and liabilities assumed, including cash of $19 million , other net working capital liabilities of $6 million , intangible assets of $29 million , and goodwill of $37 million . Intangible assets consist of trademarks and trade names, advertiser relationships, affiliate backlog and broadcast licenses and have a weighted average useful life of 10 years . The goodwill reflects the workforce and synergies expected from broader exposure to the cycling entertainment sector. The goodwill recorded as part of this acquisition is included in the International Networks reportable segment and is not amortizable for tax purposes. Additionally, the Company recorded a redeemable noncontrolling interest of $25 million . (See Note 10.) Pro Forma Financial Information The following unaudited pro forma information has been presented as if the acquisition of Scripps Networks occurred on January 1, 2017 . Pro forma information for the Company's other acquisitions was not material. The information is based on the historical results of operations of the acquired business, adjusted for: 1. The allocation of purchase price and related adjustments, including adjustments to amortization expense related to the fair value of intangible assets acquired and the recognition of the noncontrolling interests; 2. Impacts of debt financing, including interest for debt issued and amortization associated with the fair value adjustments of debt assumed; 3. The movement and allocation of all acquisition-related costs incurred during the three and nine months ended September 30, 2018 to the three and nine months ended September 30, 2017 ; 4. Associated tax-related impacts of adjustments; and 5. Changes to align accounting policies. The pro forma results do not necessarily represent what would have occurred if the acquisition of Scripps Networks had taken place on January 1, 2017 , nor do they represent the results that may occur in the future. The pro forma adjustments were based on available information and upon assumptions that the Company believes are reasonable to reflect the impact of this acquisition on the Company's historical financial information on a supplemental pro forma basis (in millions). The following table presents the Company's pro forma combined revenues and net income (in millions, except per share value). Pro forma results for the three and nine months ended September 30, 2019 are not presented below because the results for Scripps Networks are included in the Company's September 30, 2019 unaudited consolidated statement of operations. Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Revenues $ 2,593 $ 8,367 Net income available to Discovery, Inc. $ 162 $ 510 Net income per share - basic $ 0.23 $ 0.71 Net income per share - diluted $ 0.23 $ 0.71 Impact of Business Combination The operations of Scripps Networks discussed above were included in the consolidated financial statements as of the acquisition date of March 6, 2018. The following table presents their revenue and earnings as reported within the consolidated financial statements (in millions). Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Revenues: Advertising $ 588 $ 1,473 Distribution 241 556 Other 26 60 Total revenues $ 855 $ 2,089 Net income available to Discovery, Inc. $ 18 $ 54 Dispositions Education Business In April 2018, the Company sold an 88% controlling equity stake in its education business to Francisco Partners for a sale price of $113 million . The Company recorded a gain of $84 million based on net assets disposed of $44 million , including $40 million of goodwill. The impact of the education business on the Company's income before income taxes was a loss of $2 million for the year ended December 31, 2018. Discovery retained a 12% ownership interest in the education business, which is accounted for as an equity method investment. (See Note 3.) Discovery has long-term trade name license agreements with the education business that are royalty arrangements at fair value.

Investments

Investments	9 Months Ended
	Sep. 30, 2019
Investments [Abstract]
Investments	INVESTMENTS The Company’s investments consisted of the following (in millions). Category Balance Sheet Location September 30, 2019 December 31, 2018 Time deposits Cash and cash equivalents $ 4 $ — Equity securities: Money market funds Cash and cash equivalents 200 286 Mutual funds and company-owned life insurance contracts Prepaid and other current assets 13 28 Mutual funds and company-owned life insurance contracts Other noncurrent assets 229 188 Equity method investments: Equity investments Equity method investments 529 841 Note receivable Equity method investments — 94 Equity Investments: Common stock investments with readily determinable fair values Other noncurrent assets 45 77 Equity investments without readily determinable fair value Other noncurrent assets 507 379 Total investments $ 1,527 $ 1,893 Money Market Funds and Time Deposits Money market funds and time deposits represent cash equivalents with original maturities of 90 days or less. Equity Securities Equity securities include investments in mutual funds held in separate trusts, which are owned as part of the Company’s supplemental retirement plans and company-owned life insurance contracts. (See Note 4.) Equity Method Investments The Company makes investments that support its underlying business strategy and enable it to enter new markets and develop programming. Certain of the Company's equity method investments are VIEs, for which the Company is not the primary beneficiary. As of September 30, 2019 , the Company’s maximum exposure for all its unconsolidated VIEs, including the investment carrying values, unfunded contractual commitments, and guarantees made on behalf of VIEs, was approximately $152 million . The Company's maximum estimated exposure excludes the non-contractual future funding of VIEs. The aggregate carrying values of these VIE investments were $152 million and $528 million as of September 30, 2019 and December 31, 2018 , respectively. The Company recognized its portion of VIE operating results with net losses of $4 million and net earnings of $4 million for the three months ended September 30, 2019 and 2018 , respectively, and net losses of $10 million and net earnings of $46 million for the nine months ended September 30, 2019 and 2018 , respectively. UKTV In connection with the acquisition of Scripps Networks, the Company acquired a 50% ownership interest in UKTV, a British multi-channel broadcaster jointly owned with BBC. On June 11, 2019, the Company and BBC dissolved their 50/50 joint venture with the Company taking full control of the Lifestyle Business and BBC taking full control of the Entertainment Business. (See Note 2.) As of December 31, 2018 , the Company’s investment in UKTV totaled $386 million , including a note receivable of $94 million . nC+ In connection with the acquisition of Scripps Networks, the Company acquired a 32% ownership interest in nC+, a Polish satellite distributor of television content. nC+ is controlled by Group Canal+ S.A, a French broadcaster. The Company applies the equity method of accounting to its 32% investment in nC+ ordinary shares, which provide the ability to exercise significant influence over the operating and financial policies of nC+. The Company's investment in nC+ totaled $181 million and $180 million as of September 30, 2019 and December 31, 2018 , respectively. Renewable Energy Investments During the nine months ended September 30, 2019 and 2018 , the Company invested $4 million and $17 million , respectively, in limited liability companies that sponsor renewable energy projects related to solar energy. As of September 30, 2019 and December 31, 2018 , the Company's carrying value of renewable energy investments was $93 million and $89 million , respectively. As of September 30, 2019 , the Company had no future funding commitments for these investments. The Company expects these investments to result in tax benefits that reduce the Company's future tax liability and provide cash flows from the operations of the investees. These investments are considered VIEs of the Company and are accounted for under the equity method of accounting. While the Company possesses rights that allow it to exercise significant influence over the investments, the Company does not have the power to direct the activities that will most significantly impact their economic performance, such as the investee's ability to obtain sufficient customers or control solar panel assets. Once a stipulated return on investment is earned by the Company, the investment allocations to the Company are significantly reduced. Accordingly, the Company applies the Hypothetical Liquidation at Book Value ("HLBV") methodology for allocating earnings, which is a generally accepted method under the equity method of accounting when a substantive profit-sharing arrangement exists. The Company accounts for investment tax credits utilizing the flow through method. The net effect on the Company's Consolidated Statement of Operations related to the renewable energy investments was not material for the three and nine months ended September 30, 2019 and 2018 . Other Equity Method Investments At September 30, 2019 and December 31, 2018 , the Company's other equity method investments included production companies such as All3Media, a Russian cable television business, Mega TV in Chile and certain joint ventures in Canada. Other equity method investments acquired in conjunction with the acquisition of Scripps Networks include joint ventures in Canada, and HGTV and Food Network Magazines. The Company recorded impairment losses of $4 million and $24 million for the nine months ended September 30, 2019 and 2018 , respectively, because the change in value was considered other-than-temporary. There were no impairment losses recorded during the three months ended September 30, 2019 and 2018 . The impairment losses are reflected as a component of loss from equity investees on the Company's consolidated statement of operations. Investor Basis Differential With the exception of UKTV prior to the dissolution discussed in Note 2 and nC+, the carrying values of the Company’s remaining equity method investments are consistent with its ownership in the underlying net assets of the investees. A portion of the purchase prices associated with the investments in UKTV and nC+ was attributed to amortizable intangible assets, which are included in their carrying values. Earnings from these equity investees were reduced by the amortization of these intangibles of $20 million and $15 million during the period March 6, 2018 to September 30, 2018 and the nine months ended September 30, 2019 , respectively. Amortization that reduces the Company's equity in earnings of equity method investees for future periods is expected to be $60 million . Common Stock Investments with Readily Determinable Fair Value The Company owns shares of common stock of Lions Gate Entertainment Corp. ("Lionsgate"), an entertainment company. Upon the adoption of ASU 2016-01 on January 1, 2018, the shares are measured at fair value, with gains and losses recorded in other expense, net , as the shares have a readily determinable fair value and the Company has the intent to retain the investment (see Note 17). The Company recorded a transition adjustment to reclassify accumulated other comprehensive income associated with the Lionsgate shares in the amount of $32 million pre-tax ( $26 million , net of tax) to retained earnings. Previously, amounts were recorded as a component of other comprehensive income. The unrealized gains and losses related to the Company's common stock investments with readily determinable fair values for the three and nine months ended September 30, 2019 or 2018 are summarized in the table below (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Net losses recognized during the period on equity securities $ (15 ) $ (1 ) $ (32 ) $ (44 ) Less: Net losses recognized on equity securities sold — — — — Unrealized losses recognized during reporting period on equity securities still held at the reporting date $ (15 ) $ (1 ) $ (32 ) $ (44 ) The Company hedged 50% of the Lionsgate shares with an equity collar (the "Lionsgate Collar") and pledged those shares as collateral to the derivative counterparty. Upon adoption of ASU 2016-01, the Lionsgate Collar no longer receives the hedge accounting designation and as such, all changes in the fair value of the Lionsgate Collar are reflected as a component of other expense, net on the consolidated statements of operations. (See Note 4 and Note 9.) During the three months ended September 30, 2019 , tranche 1 of the Lionsgate Collar, which covered one-third of the hedged shares, was settled. The Company received cash of $18 million upon settlement. Equity investments without readily determinable fair values assessed under the measurement alternative The Company's equity investments without readily determinable fair values assessed under the measurement alternative as of September 30, 2019 primarily include its 46% minority interest in Group Nine Media on an outstanding shares basis recorded at $256 million . Discovery has significant influence through its voting rights in the preferred stock of Group Nine Media, however, this ownership interest has liquidation preferences that do not allow the investment to meet the definition of in-substance common stock. The Company accounts for its ownership interest in Group Nine Media as an equity investment without a readily determinable fair value assessed under the measurement alternative. The Company also has similar investments in an educational website, an electric car racing series and certain investments to enhance the Company's digital distribution strategies. For the nine months ended September 30, 2019 , the Company invested $125 million in various equity investments without readily determinable fair values, which includes a $45 million investment in Group Nine Media. The Company concluded that its other equity investments without readily determinable fair values had increased $9 million in fair value as of September 30, 2019 as the result of observable price changes in orderly transactions for the identical or a similar investment of the same issuer.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2019
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories: Level 1 – Quoted prices for identical instruments in active markets. Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. Level 3 – Valuations derived from techniques in which one or more significant inputs are unobservable. The tables below present assets and liabilities measured at fair value on a recurring basis (in millions). September 30, 2019 Category Balance Sheet Location Level 1 Level 2 Level 3 Total Assets Equity securities: Money market funds Cash and cash equivalents $ 200 $ — $ — $ 200 Mutual funds Prepaid expenses and other current assets 12 — — 12 Company-owned life insurance contracts Prepaid expenses and other current assets — 1 — 1 Mutual funds Other noncurrent assets 183 — — 183 Company-owned life insurance contracts Other noncurrent assets — 46 — 46 Equity investments with readily determinable fair value: Common stock Other noncurrent assets 45 — — 45 Derivatives: Cash flow hedges: Foreign exchange Prepaid expenses and other current assets — 13 — 13 Foreign exchange Other noncurrent assets — 12 — 12 Net investment hedges: Foreign exchange Other noncurrent assets — 2 — 2 Cross-currency swaps Prepaid expenses and other current assets — 2 — 2 Cross-currency swaps Other noncurrent assets — 117 — 117 No hedging designation: Foreign exchange Prepaid expenses and other current assets — 6 — 6 Foreign exchange Other noncurrent assets — 1 — 1 Equity (Lionsgate Collar) Other noncurrent assets — 40 — 40 Total $ 440 $ 240 $ — $ 680 Liabilities Deferred compensation plan Accrued liabilities $ 21 $ — $ — $ 21 Deferred compensation plan Other noncurrent liabilities 201 — — 201 Derivatives: Cash flow hedges: Foreign exchange Accrued liabilities — 2 — 2 Foreign exchange Other noncurrent liabilities — 6 — 6 Net investment hedges: Cross-currency swaps Accrued liabilities — 13 — 13 Cross-currency swaps Other noncurrent liabilities — 66 — 66 No hedging designation: Foreign exchange Accrued liabilities — 1 — 1 Foreign exchange Other noncurrent liabilities — 66 — 66 Total $ 222 $ 154 $ — $ 376 December 31, 2018 Category Balance Sheet Location Level 1 Level 2 Level 3 Total Assets Equity securities: Money market funds Cash and cash equivalents $ 286 $ — $ — $ 286 Mutual funds Prepaid expenses and other current assets 13 — — 13 Company-owned life insurance contracts Prepaid expenses and other current assets — 15 — 15 Mutual funds Other noncurrent assets 158 — — 158 Company-owned life insurance contracts Other noncurrent assets — 30 — 30 Equity investments with readily determinable fair value: Common stock Other noncurrent assets 77 — — 77 Derivatives: Cash flow hedges: Foreign exchange Prepaid expenses and other current assets — 13 — 13 Net investment hedges: Cross-currency swaps Other noncurrent assets — 41 — 41 Foreign exchange Other noncurrent assets — 1 — 1 No hedging designation: Equity (Lionsgate Collar) Prepaid expenses and other current assets — 14 — 14 Equity (Lionsgate Collar) Other noncurrent assets — 27 — 27 Foreign exchange Other noncurrent assets — 11 — 11 Total $ 534 $ 152 $ — $ 686 Liabilities Deferred compensation plan Accrued liabilities $ 37 $ — $ — $ 37 Deferred compensation plan Other noncurrent liabilities 178 — — 178 Derivatives: Cash flow hedges: Foreign exchange Accrued liabilities — 3 — 3 Net investment hedges: Cross-currency swaps Accrued liabilities — 39 — 39 Cross-currency swaps Other noncurrent liabilities — 81 — 81 No hedging designation: Cross-currency swaps Accrued liabilities — 1 — 1 Total $ 215 $ 124 $ — $ 339 The fair value of Level 1 equity securities was determined by reference to the quoted market price per share in active markets multiplied by the number of shares held without consideration of transaction costs. (See Note 3.) The fair value of the deferred compensation plan liability was determined based on the fair value of the related investments elected by employees. Changes in the fair value of the investments are offset by changes in the fair value of the deferred compensation obligation. (See Note 3.) Common stock investments with readily determinable fair values are recorded by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. (See Note 3.) Company-owned life insurance contracts are recorded at their cash surrender value, which approximates fair value. Derivative financial instruments are comprised of foreign exchange, interest rate, credit and equity contracts. (See Note 9.) The fair value of Level 2 derivative financial instruments was determined using a market-based approach. In addition to the financial instruments listed in the tables above, the Company has other financial instruments, including cash deposits, accounts receivable, accounts payable, borrowings under the revolving credit facility, finance and operating lease liabilities, and senior notes. The carrying values for such financial instruments, other than the senior notes, each approximated their fair values as of September 30, 2019 and December 31, 2018 . The estimated fair value of the Company’s outstanding senior notes using quoted prices from over the counter markets, considered Level 2 inputs, was $16.6 billion and $16.3 billion as of September 30, 2019 and December 31, 2018 , respectively.

Content Rights

Content Rights	9 Months Ended
	Sep. 30, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Content Rights	CONTENT RIGHTS The table below presents the components of content rights (in millions). September 30, 2019 December 31, 2018 Produced content rights: Completed $ 6,451 $ 5,609 In-production 648 612 Coproduced content rights: Completed 863 682 In-production 52 53 Licensed content rights: Acquired 981 1,007 Prepaid (a) 217 154 Content rights, at cost 9,212 8,117 Accumulated content rights expense (5,675 ) (4,735 ) Total content rights, net 3,537 3,382 Current portion (442 ) (313 ) Noncurrent portion $ 3,095 $ 3,069 (a) Prepaid licensed content rights includes payments for rights to the Olympic games of $138 million and $65 million reflected as current and noncurrent content rights on the consolidated balance sheet as of September 30, 2019 and December 31, 2018 , respectively. Contemporaneous with the UKTV transaction with BBC described in Note 2, the Company entered into a ten-year content licensing arrangement with BBC in exchange for license fees over the term. The Company capitalized $47 million of content assets for the nine months ended September 30, 2019 for this arrangement, which are recorded as acquired content rights. Content expense consisted of the following (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Content amortization $ 696 $ 702 $ 2,071 $ 2,178 Other production charges 96 94 300 366 Content impairments 4 163 7 345 Total content expense $ 796 $ 959 $ 2,378 $ 2,889 Content expense is generally a component of costs of revenues on the consolidated statements of operations. For the three and nine months ended September 30, 2018 , content impairments of $161 million and $338 million , respectively, were due to the strategic realignment of content following the acquisition of Scripps Networks and are primarily reflected in restructuring and other charges. No content impairments were recorded as a component of restructuring and other during the three and nine months ended September 30, 2019 .

Goodwill

Goodwill	9 Months Ended
	Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	GOODWILL Goodwill The carrying value and changes in the carrying value of goodwill attributable to each business unit were as follows (in millions). U.S. Networks International Networks Total December 31, 2018 $ 10,785 $ 2,221 $ 13,006 Acquisitions (Note 2) 3 190 193 Impairment of goodwill — (155 ) (155 ) Foreign currency translation and other adjustments 25 (92 ) (67 ) September 30, 2019 $ 10,813 $ 2,164 $ 12,977 The carrying amount of goodwill at the International Networks segment included accumulated impairments of $1.5 billion and $1.3 billion as of September 30, 2019 and December 31, 2018 , respectively. The carrying amount of goodwill at the U.S. Networks segment included accumulated impairments of $20 million as of September 30, 2019 and December 31, 2018 . Impairment Analysis During the fourth quarter of 2018, the Company performed a qualitative goodwill impairment assessment for all reporting units and determined that it was more likely than not that the fair value of its reporting units exceeded their carrying values, except for its Asia-Pacific reporting unit. For the Asia-Pacific reporting unit, the Company then performed a quantitative step 1 impairment test, which indicated limited headroom (the excess of fair value over carrying value) of 10% . Given the limited headroom in the Asia-Pacific reporting unit, the Company closely monitored its results during 2019. During the third quarter, due to an increasingly challenging business environment in the Asia-Pacific region, which included 1) moderating revenue growth projections, 2) underperformance of certain sports investments, 3) heightened volatility in China and surrounding economies, and 4) a decline in Asia-Pacific stock price multiples for peer media companies, the Company believed the increased risk required it to perform an interim impairment test. The step 1 test utilized a DCF valuation methodology. Significant judgments and assumptions included the amount and timing of expected future cash flows, long-term growth rates ranging from 2% to 2.5% , and a discount rate of 11% . The cash flows employed in the DCF analysis for the Asia-Pacific reporting unit are based on the reporting unit's budget and long-term business plan. The results of the step 1 test indicated that the carrying value of the net assets in the Asia-Pacific reporting unit exceeded its fair value. In the second step of the impairment test, the Company hypothetically assigned the Asia-Pacific reporting unit's fair value to its individual assets and liabilities, including unrecognized intangible assets such as customer relationships and trade names, in a hypothetical purchase price allocation that calculates the implied fair value of goodwill in the same manner as if the reporting unit was being acquired in a business combination. The fair value estimates incorporated in step 2 for the hypothetical intangible assets were based on the excess earnings income approach for customer relationships and the relief-from-royalty method for trademarks. Key judgments made by management in step 2 of the impairment test included revenue growth rates, length of contract term, number of renewals, customer attrition rates, market-based royalty rates, and market-based tax rates. The step 2 impairment test indicated an implied fair value of goodwill of $40 million , which resulted in a pre-tax impairment charge of $155 million during the three months ended September 30, 2019, which was not deductible for tax purposes. The determination of fair value of the Company's Asia-Pacific reporting unit represents a Level 3 fair value measurement in the fair value hierarchy due to its use of internal projections and unobservable measurement inputs. Changes in significant judgments and estimates could significantly impact the concluded fair value of the reporting unit or the valuation of intangible assets. The goodwill impairment charge did not have an impact on the calculation of the Company's financial covenants under the Company's debt arrangements.

Debt

Debt	9 Months Ended
	Sep. 30, 2019
Debt Disclosure [Abstract]
Debt	DEBT The table below presents the components of outstanding debt (in millions). September 30, 2019 December 31, 2018 5.625% Senior notes, semi-annual interest, due August 2019 $ — $ 411 2.200% Senior notes, semi-annual interest, due September 2019 — 500 Floating rate notes, quarterly interest, due September 2019 — 400 2.750% Senior notes, semi-annual interest, due November 2019 — 500 2.800% Senior notes, semi-annual interest, due June 2020 600 600 5.050% Senior notes, semi-annual interest, due June 2020 — 789 4.375% Senior notes, semi-annual interest, due June 2021 640 650 2.375% Senior notes, euro denominated, annual interest, due March 2022 328 344 3.300% Senior notes, semi-annual interest, due May 2022 496 500 3.500% Senior notes, semi-annual interest, due June 2022 400 400 2.950% Senior notes, semi-annual interest, due March 2023 1,172 1,185 3.250% Senior notes, semi-annual interest, due April 2023 350 350 3.800% Senior notes, semi-annual interest, due March 2024 450 450 2.500% Senior notes, sterling denominated, annual interest, due September 2024 493 507 3.900% Senior notes, semi-annual interest, due November 2024 497 497 3.450% Senior notes, semi-annual interest, due March 2025 300 300 3.950% Senior notes, semi-annual interest, due June 2025 500 500 4.900% Senior notes, semi-annual interest, due March 2026 700 700 1.900% Senior notes, euro denominated, annual interest, due March 2027 656 688 3.950% Senior notes, semi-annual interest, due March 2028 1,700 1,700 4.125% Senior notes, semi-annual interest, due May 2029 750 — 5.000% Senior notes, semi-annual interest, due September 2037 1,250 1,250 6.350% Senior notes, semi-annual interest, due June 2040 850 850 4.950% Senior notes, semi-annual interest, due May 2042 500 500 4.875% Senior notes, semi-annual interest, due April 2043 850 850 5.200% Senior notes, semi-annual interest, due September 2047 1,250 1,250 5.300% Senior notes, semi-annual interest, due May 2049 750 — Revolving credit facility — 225 Program financing line of credit 14 22 Total debt (a) 15,496 16,918 Unamortized discount, premium and debt issuance costs, net (b) (128 ) (125 ) Debt, net of unamortized discount, premium and debt issuance costs 15,368 16,793 Current portion of debt (611 ) (1,819 ) Noncurrent portion of debt $ 14,757 $ 14,974 (a) As a result of the adoption of ASU 2016-02, capital lease obligations totaling $252 million as of December 31, 2018 (known as finance lease liabilities effective January 1, 2019 ) were reclassified from current and noncurrent debt to components of "Accrued liabilities" and "Other noncurrent liabilities" on the consolidated balance sheet to conform with the new presentation. (See Note 1 and Note 8.) (b) Current portion of unamortized discount, premium, and debt issuance costs, net is $2 million . Senior Notes In May 2019, Discovery Communications, LLC (“DCL”), a wholly-owned subsidiary of the Company, issued $750 million aggregate principal amount of 4.125% Senior Notes due 2029 and $750 million aggregate principal amount of 5.300% Senior Notes due 2049 . Interest on these notes is payable semi-annually. The proceeds received by DCL were net of a $6 million issuance discount and $12 million of debt issuance costs. These notes are fully and unconditionally guaranteed by the Company and Scripps Networks. DCL used the proceeds from the offering to redeem and repurchase approximately $1.3 billion aggregate principal amount of DCL's and Scripps Networks' 2.750% senior notes due 2019 and 5.050% senior notes due 2020 in accordance with their terms. The redemptions and repurchase resulted in a loss on extinguishment of debt of $23 million for the nine months ended September 30, 2019 , which is presented as a separate line item on the Company's consolidated statements of operations and recognized as a component of financing cash outflows on the consolidated statements of cash flows. The loss included $20 million of net premiums to par value and $3 million of other non-cash charges. In March 2019 , the Company redeemed $411 million aggregate principal amount of its 5.625% senior notes that had an original maturity of August 2019 . The repayment included $5 million for premium over par on the 5.625% senior notes and resulted in a loss on extinguishment of debt of $5 million . In addition to the redemptions and repurchases of notes outlined above, the Company made open market bond repurchases of $50 million during the nine months ended September 30, 2019 , resulting in an immaterial loss on extinguishment of debt. In connection with the acquisition of Scripps Networks in March 2018 , the Company assumed $2.5 billion aggregate principal amount of Scripps Networks 2.750% senior notes due 2019 , 2.800% senior notes due 2020 , 3.500% senior notes due 2022 , 3.900% senior notes due 2024 and 3.950% senior notes due 2025 (the "Scripps Networks Senior Notes"). As part of accounting for the acquisition of Scripps Networks, the Scripps Networks Senior Notes were adjusted to fair value using observable trades as of the acquisition date. (See Note 2.) The fair value adjustment resulted in an opening balance sheet carrying value that is $19 million less than the face amount of the Scripps Networks Senior Notes. For the nine months ended September 30, 2019 , fair value adjustments of $4 million were amortized to interest expense. In April 2018 , pursuant to the Offering Memorandum and Consent Solicitation Statement to Exchange dated March 5, 2018 , DCL completed the exchange of $2.3 billion aggregate principal amount of Scripps Networks Senior Notes, for $2.3 billion aggregate principal amount of DCL's 2.750% senior notes due 2019 , 2.800% senior notes due 2020 , 3.500% senior notes due 2022 , 3.900% senior notes due 2024 and 3.950% senior notes due 2025 . Interest on these notes is payable semi-annually in arrears. The exchange was accounted for as a debt modification and, as a result, third-party issuance costs were expensed as incurred. In September 2017 , DCL issued $500 million principal amount of 2.200% senior notes due 2019 , $1.2 billion principal amount of 2.950% senior notes due 2023 , $1.7 billion principal amount of 3.950% senior notes due 2028 , $1.3 billion principal amount of 5.000% senior notes due 2037 , $1.3 billion principal amount of 5.200% senior notes due 2047 (collectively, the “Senior Fixed Rate Notes”) and $400 million principal amount of floating rate senior notes due 2019 (the “Senior Floating Rate Notes” and, together with the Senior Fixed Rate Notes, the “USD Notes”). Interest on the Senior Fixed Rate Notes is payable semi-annually. Interest on the Senior Floating Rate Notes is payable quarterly. The USD Notes are fully and unconditionally guaranteed by the Company. In September 2017, DC L also issued £400 million principal amount of 2.500% senior notes due 2024 (the “Sterling Notes”). Interest on the Sterling Notes is payable in September of each year. The proceeds received by DCL from the USD Notes and the Sterling Notes were net of an $11 million issuance discount and $57 million of debt issuance costs. The net proceeds from the issuance of these senior notes were used to finance a portion of the Scripps Networks acquisition. (See Note 2.) In March 2017 , DCL issued $ 450 million principal amount of 3.80% senior notes due March 2024 and an additional $200 million principal amount of its existing 4.90% senior notes due March 2026 . Interest on these notes is payable semi-annually. As of September 30, 2019 , all senior notes are fully and unconditionally guaranteed by the Company and Scripps Networks, except for the remaining $135 million of un-exchanged Scripps Networks Senior Notes acquired in conjunction with the acquisition of Scripps Networks. (See Note 22.) Term Loans In August 2017 , DCL entered into a three -year delayed draw tranche and a five -year delayed draw tranche unsecured term loan credit facility (the "Term Loans"), each with a principal amount of up to $1 billion . The term of each delayed draw loan commenced in March 2018 when Discovery used these funds to finance a portion of the Scripps Networks acquisition. The Term Loans' interest rates are based, at the Company's option, on either adjusted LIBOR plus a margin, or an alternate base rate plus a margin. The Company paid a commitment fee of 20 basis points per annum for each loan, based on its then-current credit rating, beginning September 2017 through March 2018 . As of December 31, 2018 , the Company had used cash from operations and borrowings under the commercial paper program to fully repay the Term Loan borrowings. Revolving Credit Facility In August 2017 , DCL amended its revolving credit facility to allow DCL and certain designated foreign subsidiaries of DCL to borrow up to $2.5 billion , including a $100 million sublimit for the issuance of standby letters of credit and a $50 million sublimit for Euro-denominated swing line loans. Borrowing capacity under this credit facility is reduced by any outstanding borrowings under the commercial paper program. The maturity date of the revolving credit facility agreement is August 2022 with the option for up to two additional 364 -day renewal periods. The credit agreement governing the revolving credit facility contains customary representations, warranties and events of default, as well as affirmative and negative covenants. The financial covenants were modified as part of the amendment to increase the maximum consolidated leverage ratio financial covenant to 5.50 to 1.00 , with step-downs to 5.00 to 1.00 and to 4.50 to 1.00 , one year and two years after the closing of the Scripps Networks acquisition, respectively. As of September 30, 2019 , the Company's subsidiary, DCL, was in compliance with all covenants and there were no events of default under the revolving credit facility. As of September 30, 2019 , the Company had no outstanding borrowings under the revolving credit facility. As of December 31, 2018 , the Company had outstanding U.S. dollar-denominated borrowings under the revolving credit facility of $225 million at a weighted average interest rate of 3.82% . The interest rate on borrowings under the revolving credit facility is variable based on DCL's then-current credit ratings for its publicly traded debt and changes in financial index rates. For U.S. dollar-denominated borrowings, the interest rate is based, at the Company's option, on either adjusted LIBOR plus a margin, or an alternate base rate plus a margin. The Company may also borrow in foreign currencies under the credit facility, at an interest rate based on adjusted LIBOR, plus a margin. The current margins are 1.300% and 0.300% , respectively, per annum for adjusted LIBOR and alternate base rate borrowings. The Company had no borrowings under the credit facility in foreign currencies as of September 30, 2019 or December 31, 2018 . A monthly facility fee is charged based on the total capacity of the facility, and interest is charged based on the amount borrowed on the facility. The current facility fee rate is 0.200% per annum and subject to change based on DCL's then-current credit ratings. All obligations of DCL and the other borrowers under the revolving credit facility are unsecured and are fully and unconditionally guaranteed by Discovery. Program Financing Line of Credit In January 2018 , the Company entered into a secured line of credit for an aggregate principal amount of $26 million to finance content production costs. Interest rates on this line of credit are based at the Company’s option on either an adjusted LIBOR or a variable prime rate. Interest on the outstanding balance is due quarterly. As of September 30, 2019 , the Company had an outstanding balance of $14 million . Commercial Paper The Company's commercial paper program is supported by the revolving credit facility described above. The Company had no outstanding borrowings as of September 30, 2019 and December 31, 2018.

Leases

Leases	9 Months Ended
	Sep. 30, 2019
Leases [Abstract]
Leases	LEASES The Company has operating and finance leases for transponders, office space, studio facilities, and other equipment. The Company's leases have remaining lease terms of up to 17 years , some of which include options to extend the leases for up to 10 additional years. Most leases are not cancelable prior to their expiration. The Company determines if an arrangement is a lease at its inception. Operating lease right-of-use ("ROU") assets are included in "Other noncurrent assets" and operating lease liabilities are included in “Accrued liabilities” and “Other noncurrent liabilities” in our September 30, 2019 consolidated balance sheet. Finance lease ROU assets are included in "Property and equipment, net" and finance lease liabilities are included in “Accrued liabilities” and “Other noncurrent liabilities” in the consolidated balance sheets. A rate implicit in the lease when readily determinable is used in arriving at the present value of lease payments. As most of the Company's leases do not provide an implicit rate, the Company uses an incremental borrowing rate based on information available at lease commencement date for the majority of its leases. The incremental borrowing rate is based on the Company's U.S. dollar denominated senior unsecured borrowing curves using public credit ratings adjusted down to a collateralized basis using a combination of recovery rate and credit notching approaches and translated into major contract currencies as applicable. The Company's lease terms may include options to extend or terminate the lease when it is reasonably certain that it will exercise that option. Variable lease payments that are based on an index or rate are included in measurement of ROU assets and lease liabilities at lease inception. All other variable lease payments are expensed as incurred and are not included in measurement of ROU assets and lease liabilities. Lease expense for operating leases is recognized on a straight-line basis. For finance leases, the Company recognizes interest expense on lease liabilities using the effective interest method and amortization of ROU assets on a straight-line basis. Because the Company elected a practical expedient allowing it not to allocate contract consideration between lease and non-lease components, these components are accounted for together under Topic 842 as lease components across all lease categories. The components of lease cost were as follows (in millions): Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Operating lease cost $ 29 $ 81 Finance lease cost: Amortization of right-of-use assets $ 8 $ 30 Interest on lease liabilities 2 6 Total finance lease cost $ 10 $ 36 Variable lease cost $ 3 $ 7 Supplemental cash flow information related to leases was as follows (in millions): Nine Months Ended September 30, 2019 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ (68 ) Operating cash flows from finance leases $ (6 ) Financing cash flows from finance leases $ (35 ) Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 360 Finance leases $ 13 Supplemental balance sheet information related to leases was as follows (in millions): Category Location on Balance Sheet September 30, 2019 Operating Leases Operating lease right-of-use assets Other noncurrent assets $ 620 Operating lease liabilities (current) Accrued liabilities $ 76 Operating lease liabilities (noncurrent) Other noncurrent liabilities 622 Total operating lease liabilities $ 698 Finance Leases Finance lease right-of-use assets Property and equipment, net $ 213 Finance lease liabilities (current) Accrued liabilities $ 43 Finance lease liabilities (noncurrent) Other noncurrent liabilities 190 Total finance lease liabilities $ 233 September 30, 2019 Weighted average remaining lease term (in years): Operating leases 13 Finance leases 6 Weighted average discount rate: Operating leases 3.77 % Finance leases 3.60 % Maturities of lease liabilities as of September 30, 2019 were as follows (in millions): Operating Leases Finance Leases October 1, 2019 to September 30, 2020 $ 91 $ 51 October 1, 2020 to September 30, 2021 99 47 October 1, 2021 to September 30, 2022 69 39 October 1, 2022 to September 30, 2023 60 35 October 1, 2023 to September 30, 2024 56 28 Thereafter 544 61 Total lease payments 919 261 Less: Imputed interest (221 ) (28 ) Total $ 698 $ 233 During the nine months ended September 30, 2019 , the Company recorded approximately $370 million of operating lease liabilities associated with the upcoming move of its global headquarters from Silver Spring, Maryland to New York City. As of September 30, 2019 , the Company has additional lease commitments that have not yet commenced with total minimum lease payments of approximately $24 million , primarily related to equipment leases. The remaining leases will commence between fiscal year 2019 and fiscal year 2021 , have lease terms of 3 to 16 years and include options to extend the terms for up to 10 additional years.
Leases	LEASES The Company has operating and finance leases for transponders, office space, studio facilities, and other equipment. The Company's leases have remaining lease terms of up to 17 years , some of which include options to extend the leases for up to 10 additional years. Most leases are not cancelable prior to their expiration. The Company determines if an arrangement is a lease at its inception. Operating lease right-of-use ("ROU") assets are included in "Other noncurrent assets" and operating lease liabilities are included in “Accrued liabilities” and “Other noncurrent liabilities” in our September 30, 2019 consolidated balance sheet. Finance lease ROU assets are included in "Property and equipment, net" and finance lease liabilities are included in “Accrued liabilities” and “Other noncurrent liabilities” in the consolidated balance sheets. A rate implicit in the lease when readily determinable is used in arriving at the present value of lease payments. As most of the Company's leases do not provide an implicit rate, the Company uses an incremental borrowing rate based on information available at lease commencement date for the majority of its leases. The incremental borrowing rate is based on the Company's U.S. dollar denominated senior unsecured borrowing curves using public credit ratings adjusted down to a collateralized basis using a combination of recovery rate and credit notching approaches and translated into major contract currencies as applicable. The Company's lease terms may include options to extend or terminate the lease when it is reasonably certain that it will exercise that option. Variable lease payments that are based on an index or rate are included in measurement of ROU assets and lease liabilities at lease inception. All other variable lease payments are expensed as incurred and are not included in measurement of ROU assets and lease liabilities. Lease expense for operating leases is recognized on a straight-line basis. For finance leases, the Company recognizes interest expense on lease liabilities using the effective interest method and amortization of ROU assets on a straight-line basis. Because the Company elected a practical expedient allowing it not to allocate contract consideration between lease and non-lease components, these components are accounted for together under Topic 842 as lease components across all lease categories. The components of lease cost were as follows (in millions): Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Operating lease cost $ 29 $ 81 Finance lease cost: Amortization of right-of-use assets $ 8 $ 30 Interest on lease liabilities 2 6 Total finance lease cost $ 10 $ 36 Variable lease cost $ 3 $ 7 Supplemental cash flow information related to leases was as follows (in millions): Nine Months Ended September 30, 2019 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ (68 ) Operating cash flows from finance leases $ (6 ) Financing cash flows from finance leases $ (35 ) Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 360 Finance leases $ 13 Supplemental balance sheet information related to leases was as follows (in millions): Category Location on Balance Sheet September 30, 2019 Operating Leases Operating lease right-of-use assets Other noncurrent assets $ 620 Operating lease liabilities (current) Accrued liabilities $ 76 Operating lease liabilities (noncurrent) Other noncurrent liabilities 622 Total operating lease liabilities $ 698 Finance Leases Finance lease right-of-use assets Property and equipment, net $ 213 Finance lease liabilities (current) Accrued liabilities $ 43 Finance lease liabilities (noncurrent) Other noncurrent liabilities 190 Total finance lease liabilities $ 233 September 30, 2019 Weighted average remaining lease term (in years): Operating leases 13 Finance leases 6 Weighted average discount rate: Operating leases 3.77 % Finance leases 3.60 % Maturities of lease liabilities as of September 30, 2019 were as follows (in millions): Operating Leases Finance Leases October 1, 2019 to September 30, 2020 $ 91 $ 51 October 1, 2020 to September 30, 2021 99 47 October 1, 2021 to September 30, 2022 69 39 October 1, 2022 to September 30, 2023 60 35 October 1, 2023 to September 30, 2024 56 28 Thereafter 544 61 Total lease payments 919 261 Less: Imputed interest (221 ) (28 ) Total $ 698 $ 233 During the nine months ended September 30, 2019 , the Company recorded approximately $370 million of operating lease liabilities associated with the upcoming move of its global headquarters from Silver Spring, Maryland to New York City. As of September 30, 2019 , the Company has additional lease commitments that have not yet commenced with total minimum lease payments of approximately $24 million , primarily related to equipment leases. The remaining leases will commence between fiscal year 2019 and fiscal year 2021 , have lease terms of 3 to 16 years and include options to extend the terms for up to 10 additional years.

Derivative Financial Instrument

Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	DERIVATIVE FINANCIAL INSTRUMENTS The Company uses derivative financial instruments to modify its exposure to market risks from changes in foreign currency exchange rates and interest rates. At the inception of a derivative contract, the Company designates the derivative as one of four types based on the Company's intentions and belief as to its likely effectiveness as a hedge. These four types are: (1) a hedge of a forecasted transaction or the variability of cash flows to be received or paid related to a recognized asset or liability ("cash flow hedge"); (2) a hedge of net investments in foreign operations ("net investment hedge"); (3) a hedge of the fair value of a recognized asset or liability or of an unrecognized firm commitment ("fair value hedge"); or (4) an instrument with no hedging designation. The Company does not enter into or hold derivative financial instruments for speculative trading purposes. Unsettled derivative contracts are recorded at their gross fair values on the consolidated balance sheets. (See Note 4.) The portion of the fair value that represents cash flows occurring within one year is classified as current, and the portion related to cash flows occurring beyond one year is classified as noncurrent. Gains and losses on designated cash flow and net investment hedges are initially recognized as components of accumulated other comprehensive loss on the consolidated balance sheets and reclassified into the statements of operations in the same line item in which the hedged item is recorded and in the same period as the hedged item affects earnings. The cash flows from the designated derivative instruments used as hedges are classified in the consolidated statements of cash flows in the same section as the cash flows of the hedged item. The Company records gains and losses for instruments that receive no hedging designation, as a component of other expense, net on the consolidated statements of operations. Effective July 1, 2018, the Company early adopted ASU 2017-12. As a result, the Company changed the method by which it assesses effectiveness for net investment hedges from the forward-method to the spot-method. Management believes the spot method better matches the spot rate changes of the net investment. The entire change in the fair value of derivatives that qualify as net investment hedges is initially recorded in the currency translation component of other comprehensive income. While the change in fair value attributable to hedge effectiveness remains in accumulated other comprehensive income (loss) until the net investment is sold or liquidated, the change in fair value attributable to components excluded from the assessment of hedge effectiveness (e.g., forward points, cross currency basis, etc.) is reflected as a component of interest expense, net in the current period. Previous net losses of $87 million incurred under the forward method related to net investment hedges will remain in other comprehensive loss under the currency translation component and will be reclassified to earnings when the net investment is sold or liquidated. Additionally, as a result of ASU 2017-12, for foreign exchange forward contracts accounted for as cash flow hedges, the ineffective portion (if any) will not be separately recorded, as the entire change in the fair value of the forward contract will be recorded in other comprehensive income (loss) and reclassified into the statement of operations in the same line item in which the hedged item is recorded and in the same period as the hedged item affects earnings. In addition to the Company's normal course of business cash flow hedging program, during the nine months ended September 30, 2019 , the Company executed foreign exchange forward contracts with an aggregate notional amount of $798 million . The forwards were designated as cash flow hedges and will mitigate exposure to foreign exchange rate volatility and the associated impact on earnings related to a portion of forecasted foreign currency revenues from PGA Golf from 2023 through 2030. Also, during the nine months ended September 30, 2019 , the Company entered into two fixed-to-fixed cross-currency swaps with an aggregate notional amount of $201 million . The swaps were designated as net investment hedges of NOK assets and GBP assets. The maturity date of both swaps is February 2024. Contemporaneously, the Company unwound an existing $100 million notional fixed-to-fixed cross currency swap that was designated as a net investment hedge of NOK assets. Lastly, during the nine months ended September 30, 2019 , the Company terminated and settled its interest rate cash flow hedges with a total notional value of $500 million following the pricing of its offering of 4.125% senior notes due May 2029. (See Note 7.) The $18 million pretax accumulated other comprehensive loss at the termination date will be amortized as an adjustment to interest expense over the ten-year term of the newly issued notes. The following table summarizes the impact of derivative financial instruments on the Company's consolidated balance sheets (in millions). There were no amounts eligible to be offset under master netting agreements as of September 30, 2019 and December 31, 2018 . September 30, 2019 December 31, 2018 Fair Value Fair Value Notional Prepaid expenses and other current assets Other non- current assets Accrued liabilities Other non- current liabilities Notional Prepaid expenses and other current assets Other non- current assets Accrued liabilities Other non- current liabilities Cash flow hedges: Foreign exchange $ 1,684 $ 13 $ 12 $ 2 $ 6 $ 267 $ 13 $ — $ 3 $ — Net investment hedges: (a) Cross-currency swaps $ 3,429 2 117 13 66 $ 3,387 — 41 39 81 Foreign exchange $ 52 — 2 — — $ 52 — 1 — — No hedging designation: Foreign exchange $ 1,100 6 1 1 66 $ 860 — 11 — — Interest rate swaps $ — — — — — $ 25 — — — — Cross-currency swaps $ — — — — — $ 64 — — 1 — Equity (Lionsgate Collar) $ 65 — 40 — — $ 97 14 27 — — Total $ 21 $ 172 $ 16 $ 138 $ 27 $ 80 $ 43 $ 81 (a) Excludes £400 million of sterling notes ( $493 million equivalent at September 30, 2019 ) designated as a net investment hedge. (See Note 7.) The following table presents the pretax impact of derivatives designated as cash flow hedges on income and other comprehensive income (loss) (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Gains (losses) recognized in accumulated other comprehensive loss (a) : Foreign exchange - derivative adjustments $ 41 $ 2 $ 15 $ 31 Interest rate - derivative adjustments $ — $ — $ (18 ) $ — Gains (losses) reclassified into income from accumulated other comprehensive loss: Foreign exchange - advertising revenue $ 1 $ — $ 4 $ (1 ) Foreign exchange - distribution revenue $ (5 ) $ 2 $ 1 $ 5 Foreign exchange - costs of revenues $ 3 $ 11 $ 1 $ 7 Foreign exchange - other expense, net (dedesignated portion): $ 3 $ — $ 3 $ — Interest rate - interest expense $ (1 ) $ — $ (1 ) $ — (a) For periods prior to the Company's adoption of ASU 2017-12 on July 1, 2018 , the amount of gain or (loss) represents only the effective portion of the hedging relationship. Effective with the adoption of ASU 2017-12, gains and losses resulting from the change in the fair value of the hedging relationship are recognized as components of accumulated other comprehensive loss. If current fair values of designated cash flow hedges as of September 30, 2019 remained static over the next twelve months, the Company would reclassify $9 million of net deferred gains from accumulated other comprehensive loss into income in the next twelve months. The maximum length of time the Company is hedging exposure to the variability in future cash flows is 11 years . Effective with the Company’s initial application of ASU 2017-12, net periodic interest settlements and accruals on the cross-currency swaps (which would include any cross-currency basis spread adjustment) are reported directly in interest expense, net. Changes in the fair value of the cross-currency swaps resulting from changes in the foreign exchange spot rate will continue to be recorded within the cumulative translation component of Accumulated Other Comprehensive Income ("AOCI"). The following table presents the pretax impact of derivatives designated as net investment hedges on other comprehensive income (loss) (in millions). Other than amounts excluded from effectiveness testing, there were no other gains (losses) reclassified from accumulated other comprehensive loss to income during the three and nine months ended September 30, 2019 and 2018 . Three Months Ended September 30, Amount of gain (loss) recognized in AOCI Location of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) 2019 2018 2019 2018 Cross currency swaps - changes in fair value $ 82 $ 8 Interest expense, net $ 16 $ 6 Foreign exchange contracts (a) 3 — Other expense, net — — Sterling notes (foreign denominated debt) (a) 16 (3 ) N/A — — Total $ 101 $ 5 $ 16 $ 6 Nine Months Ended September 30, Amount of gain (loss) recognized in AOCI Location of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) 2019 2018 2019 2018 Cross currency swaps - changes in fair value $ 128 $ 13 Interest expense, net $ 33 $ 6 Foreign exchange contracts (a) 2 (1 ) Other expense, net — — Sterling notes (foreign denominated debt) (a) 15 13 N/A — Total $ 145 $ 25 $ 33 $ 6 (a) There are no existing components that are eligible for exclusion from effectiveness testing under ASU 2017-12. There were no forward exchange contracts outstanding at the date of adoption of ASU 2017-12. The following table presents the pretax impact of derivatives not designated as hedges and recognized in other expense, net in the consolidated statements of operations (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Interest rate swaps $ 1 $ — $ 1 $ — Cross-currency swaps 1 1 2 1 Credit contracts — — — (1 ) Equity 6 — 16 11 Foreign exchange derivatives (30 ) — (64 ) — Total in other expense, net $ (22 ) $ 1 $ (45 ) $ 11

Redeemable Noncontrolling Inter

Redeemable Noncontrolling Interests	9 Months Ended
	Sep. 30, 2019
Noncontrolling Interest [Abstract]
Redeemable Noncontrolling Interests	REDEEMABLE NONCONTROLLING INTERESTS Redeemable noncontrolling interests reflected as of the balance sheet date are the greater of the noncontrolling interest balances adjusted for comprehensive income items and distributions or the redemption values remeasured at the period end foreign exchange rates (i.e., the "floor"). Adjustments to the carrying amount of redeemable noncontrolling interests to redemption value as a result of changes in exchange rates are reflected in currency translation, a component of other comprehensive income (loss) ; however, such currency translation adjustments to redemption value are allocated to Discovery stockholders only. Redeemable noncontrolling interest adjustments of redemption value to the floor are reflected in retained earnings. The adjustment of redemption value to the floor that reflects a redemption in excess of fair value is included as an adjustment to income from continuing operations available to Discovery, Inc. stockholders in the calculation of earnings per share. (See Note 16.) The table below summarizes the Company's redeemable noncontrolling interest balances (in millions). September 30, 2019 December 31, 2018 Discovery Family $ 206 $ 206 MotorTrend Group, LLC 120 121 Oprah Winfrey Network ("OWN") 63 58 Discovery Japan 33 30 PSG (a) 24 — Total $ 446 $ 415 (a) In connection with the noncontrolling interest in PSG that was acquired in January 2019, the noncontrolling shareholders have a put right exercisable that requires Discovery to purchase 50% of their shares on January 8, 2022 and 50% on January 8, 2023, or 100% of their shares on January 8, 2023 if the three-year put option is not exercised. Discovery also has a parallel call right on the same dates. Upon the exercise of the put or call options, the price to be paid for the redeemable noncontrolling interest is the then-current fair market value of the redeemable noncontrolling interest, subject to a floor and cap value. As the shareholders' put right is outside the control of the Company, their 29.3% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet. The table below presents the reconciliation of changes in redeemable noncontrolling interests (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Beginning balance $ 444 $ 410 $ 415 $ 413 Initial fair value of redeemable noncontrolling interests of acquired businesses — — 25 — Cash distributions to redeemable noncontrolling interests (22 ) — (32 ) (21 ) Comprehensive income adjustments: Net income attributable to redeemable noncontrolling interests 6 5 15 16 Other comprehensive loss adjustments (1 ) (1 ) (1 ) (1 ) Currency translation on redemption values — — 1 1 Retained earnings adjustments: Adjustments of redemption values to the floor 11 — 12 6 Adjustments of carrying value to fair value 7 — 7 — OWN interest adjustment 1 — 4 — Ending balance $ 446 $ 414 $ 446 $ 414 The Company has a controlling interest in the TV Food Network Partnership (the "Partnership"), which includes the Food Network and Cooking Channel, and is jointly owned with Tribune Media Company (the "Tribune Company"). Food Network and Cooking Channel are operated and organized under the terms of the Partnership. The Company holds 80% of the voting interest and 68.7% of the economic interest in the Partnership. Under the terms of the Partnership, the Partnership has a dissolution date of December 31, 2020 . If the term of the Partnership is not extended prior to that date, the Partnership agreement permits the Company, as holder of 80% of the applicable votes, to reconstitute the Partnership and continue its business. If for some reason the Partnership is not continued, it will be required to limit its activities to winding up, settling debts, liquidating assets and distributing proceeds to the partners in proportion to their partnership interests. Ownership interests attributable to the Tribune Company are presented as noncontrolling interests on the Company's consolidated financial statements. Under the terms of the Partnership agreement, the Tribune Company cannot force a redemption outside of the Company's control. As such, the noncontrolling interests in the Partnership are reflected as a component of permanent equity in the Company's consolidated financial statements.

Equity

Equity	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Equity	EQUITY Common Stock Issued in Connection with Scripps Networks Acquisition On March 6, 2018 , the Company issued 139 million shares of Series C common stock as part of the consideration paid for the acquisition of Scripps Networks, inclusive of the conversion of 1 million Scripps Networks share-based compensation awards. (See Note 2.) Repurchase Programs In April 2019, the Company's Board of Directors authorized additional common stock repurchases of up to $1 billion . Under the stock authorization, management is authorized to purchase shares from time to time through open market purchases at prevailing prices or privately negotiated purchases subject to market conditions and other factors. During the three months ended September 30, 2019 , the Company repurchased 11.6 million shares of its Series C common stock for $300 million at an average price of $25.93 per share. In May 2019, the Company made an upfront cash payment of $96 million to enter into two prepaid common stock repurchase contracts for the Company’s Series C common stock. Under these contracts, if the price of Discovery’s Series C common stock was below the strike price at expiration, the Company would have received a fixed number of shares of its Series C common stock. If the price of Discovery’s Series C common stock was above the strike price at expiration, the Company could have elected to receive $50 million of cash per contract or that number of Series C common stock at the then current market price equal to $50 million . Both contracts settled in cash for $50 million each during June 2019 and August 2019, as the price of Discovery’s Series C common stock was above the strike price at expiration for each contract. The contracts were accounted for as equity transactions. All common stock repurchases, including prepaid common stock repurchase contracts, have been made through open market transactions and have been recorded as treasury stock on the consolidated balance sheet. Over the life of the Company's repurchase programs and as of September 30, 2019 , the Company had repurchased 2.8 million and 175.7 million shares of Series A and Series C common stock, respectively, for an aggregate purchase price of $171 million and $6.9 billion , respectively. Other Comprehensive Income (Loss) Adjustments The table below presents the tax effects related to each component of other comprehensive income (loss) and reclassifications made in the consolidated statements of operations (in millions). Three Months Ended September 30, 2019 Three Months Ended September 30, 2018 Pretax Tax Net-of-tax Pretax Tax Expense Net-of-tax Currency translation adjustments: Unrealized gains (losses): Foreign currency $ (242 ) $ (5 ) $ (247 ) $ 26 $ 9 $ 35 Net investment hedges 101 — 101 (1 ) — (1 ) Total currency translation adjustments (141 ) (5 ) (146 ) 25 9 34 Derivative adjustments: Unrealized gains (losses) 41 (8 ) 33 2 (1 ) 1 Reclassifications: Advertising revenue (1 ) — (1 ) — — — Distribution revenue 5 (1 ) 4 (2 ) 1 (1 ) Costs of revenues (3 ) — (3 ) (11 ) 3 (8 ) Other expense, net (3 ) — (3 ) — — — Total derivative adjustments 39 (9 ) 30 (11 ) 3 (8 ) Other comprehensive income (loss) adjustments $ (102 ) $ (14 ) $ (116 ) $ 14 $ 12 $ 26 Nine Months Ended September 30, 2019 Nine Months Ended September 30, 2018 Pretax Tax Net-of-tax Pretax Tax Expense Net-of-tax Currency translation adjustments: Unrealized gains (losses): Foreign currency $ (333 ) $ (6 ) $ (339 ) $ (198 ) $ 6 $ (192 ) Net investment hedges 128 — 128 19 — 19 Reclassifications: Loss on disposition 6 — 6 4 — 4 Total currency translation adjustments (199 ) (6 ) (205 ) (175 ) 6 (169 ) Derivative adjustments: Unrealized gains (losses) (3 ) 2 (1 ) 31 (7 ) 24 Reclassifications: Advertising revenue (4 ) 1 (3 ) 1 — 1 Distribution revenue (1 ) — (1 ) (5 ) 1 (4 ) Costs of revenues (1 ) — (1 ) (7 ) 2 (5 ) Other expense, net (3 ) — (3 ) — — — Total derivative adjustments (12 ) 3 (9 ) 20 (4 ) 16 Other comprehensive income (loss) adjustments $ (211 ) $ (3 ) $ (214 ) $ (155 ) $ 2 $ (153 ) Accumulated Other Comprehensive Loss The table below presents the changes in the components of accumulated other comprehensive loss , net of taxes (in millions). Three Months Ended September 30, 2019 Currency Translation Derivatives Pension Plan and SERP Liability Accumulated Other Comprehensive Loss Beginning balance $ (891 ) $ (25 ) $ 3 $ (913 ) Other comprehensive income (loss) before reclassifications (146 ) 33 — (113 ) Reclassifications from accumulated other comprehensive income to net income — (3 ) — (3 ) Other comprehensive income (loss) (146 ) 30 — (116 ) Ending balance $ (1,037 ) $ 5 $ 3 $ (1,029 ) Three Months Ended September 30, 2018 Currency Translation Derivatives Accumulated Other Comprehensive Loss Beginning balance $ (818 ) $ 28 $ (790 ) Other comprehensive income (loss) before reclassifications 34 1 35 Reclassifications from accumulated other comprehensive loss to net income — (9 ) (9 ) Other comprehensive income (loss) 34 (8 ) 26 Ending balance $ (784 ) $ 20 $ (764 ) Nine Months Ended September 30, 2019 Currency Translation Derivatives Pension Plan and SERP Liability Accumulated Other Comprehensive Loss Beginning balance $ (804 ) $ 16 $ 3 $ (785 ) Other comprehensive income before reclassifications (211 ) (1 ) — (212 ) Reclassifications from accumulated other comprehensive loss to net income 6 (8 ) — (2 ) Other comprehensive loss (205 ) (9 ) — (214 ) Reclassifications to retained earnings resulting from the adoption of ASU 2018-02 (28 ) (2 ) — (30 ) Ending balance $ (1,037 ) $ 5 $ 3 $ (1,029 ) Nine Months Ended September 30, 2018 Currency Translation AFS (a) Derivatives Accumulated Other Comprehensive Loss Beginning balance $ (615 ) $ 26 $ 4 $ (585 ) Other comprehensive income (loss) before reclassifications (173 ) — 24 (149 ) Reclassifications from accumulated other comprehensive loss to net income 4 — (8 ) (4 ) Other comprehensive income (loss) (169 ) — 16 (153 ) Reclassifications to retained earnings resulting from the adoption of ASU 2016-01 — (26 ) — (26 ) Ending balance $ (784 ) $ — $ 20 $ (764 ) (a) Effective January 1, 2018 , unrealized gains and losses on equity investments with readily determinable fair values are recorded in other expense, net. (See Note 3.)

Noncontrolling Interest

Noncontrolling Interest	9 Months Ended
	Sep. 30, 2019
Noncontrolling Interest [Abstract]
Noncontrolling Interest	REDEEMABLE NONCONTROLLING INTERESTS Redeemable noncontrolling interests reflected as of the balance sheet date are the greater of the noncontrolling interest balances adjusted for comprehensive income items and distributions or the redemption values remeasured at the period end foreign exchange rates (i.e., the "floor"). Adjustments to the carrying amount of redeemable noncontrolling interests to redemption value as a result of changes in exchange rates are reflected in currency translation, a component of other comprehensive income (loss) ; however, such currency translation adjustments to redemption value are allocated to Discovery stockholders only. Redeemable noncontrolling interest adjustments of redemption value to the floor are reflected in retained earnings. The adjustment of redemption value to the floor that reflects a redemption in excess of fair value is included as an adjustment to income from continuing operations available to Discovery, Inc. stockholders in the calculation of earnings per share. (See Note 16.) The table below summarizes the Company's redeemable noncontrolling interest balances (in millions). September 30, 2019 December 31, 2018 Discovery Family $ 206 $ 206 MotorTrend Group, LLC 120 121 Oprah Winfrey Network ("OWN") 63 58 Discovery Japan 33 30 PSG (a) 24 — Total $ 446 $ 415 (a) In connection with the noncontrolling interest in PSG that was acquired in January 2019, the noncontrolling shareholders have a put right exercisable that requires Discovery to purchase 50% of their shares on January 8, 2022 and 50% on January 8, 2023, or 100% of their shares on January 8, 2023 if the three-year put option is not exercised. Discovery also has a parallel call right on the same dates. Upon the exercise of the put or call options, the price to be paid for the redeemable noncontrolling interest is the then-current fair market value of the redeemable noncontrolling interest, subject to a floor and cap value. As the shareholders' put right is outside the control of the Company, their 29.3% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet. The table below presents the reconciliation of changes in redeemable noncontrolling interests (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Beginning balance $ 444 $ 410 $ 415 $ 413 Initial fair value of redeemable noncontrolling interests of acquired businesses — — 25 — Cash distributions to redeemable noncontrolling interests (22 ) — (32 ) (21 ) Comprehensive income adjustments: Net income attributable to redeemable noncontrolling interests 6 5 15 16 Other comprehensive loss adjustments (1 ) (1 ) (1 ) (1 ) Currency translation on redemption values — — 1 1 Retained earnings adjustments: Adjustments of redemption values to the floor 11 — 12 6 Adjustments of carrying value to fair value 7 — 7 — OWN interest adjustment 1 — 4 — Ending balance $ 446 $ 414 $ 446 $ 414 The Company has a controlling interest in the TV Food Network Partnership (the "Partnership"), which includes the Food Network and Cooking Channel, and is jointly owned with Tribune Media Company (the "Tribune Company"). Food Network and Cooking Channel are operated and organized under the terms of the Partnership. The Company holds 80% of the voting interest and 68.7% of the economic interest in the Partnership. Under the terms of the Partnership, the Partnership has a dissolution date of December 31, 2020 . If the term of the Partnership is not extended prior to that date, the Partnership agreement permits the Company, as holder of 80% of the applicable votes, to reconstitute the Partnership and continue its business. If for some reason the Partnership is not continued, it will be required to limit its activities to winding up, settling debts, liquidating assets and distributing proceeds to the partners in proportion to their partnership interests. Ownership interests attributable to the Tribune Company are presented as noncontrolling interests on the Company's consolidated financial statements. Under the terms of the Partnership agreement, the Tribune Company cannot force a redemption outside of the Company's control. As such, the noncontrolling interests in the Partnership are reflected as a component of permanent equity in the Company's consolidated financial statements.

Revenues

Revenues	9 Months Ended
	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Revenues	REVENUES Disaggregated Revenue The following table presents the Company’s revenues disaggregated by revenue source (in millions). Management uses these categories of revenue to evaluate the performance of its businesses and to assess its financial results and forecasts. Three Months Ended September 30, 2019 2018 U.S. Networks International Networks Corporate and Other Total U.S. Networks International Networks Corporate and Other Total Revenues: Advertising $ 1,019 $ 394 $ — $ 1,413 $ 991 $ 374 $ — $ 1,365 Distribution 681 520 — 1,201 644 508 — 1,152 Other 25 36 3 64 39 34 2 75 Total $ 1,725 $ 950 $ 3 $ 2,678 $ 1,674 $ 916 $ 2 $ 2,592 Nine Months Ended September 30, 2019 2018 U.S. Networks International Networks Corporate and Other Total U.S. Networks International Networks Corporate and Other Total Revenues: Advertising $ 3,194 $ 1,253 $ — $ 4,447 $ 2,708 $ 1,232 $ — $ 3,940 Distribution 2,066 1,565 — 3,631 1,812 1,577 — 3,389 Other 80 104 8 192 108 256 51 415 Total $ 5,340 $ 2,922 $ 8 $ 8,270 $ 4,628 $ 3,065 $ 51 $ 7,744 Transaction Price Allocated to Remaining Performance Obligations Most of the Company's distribution contracts are licenses of functional intellectual property where revenue is derived from royalty-based arrangements, for which the guidance allows the application of a practical expedient to record revenues as a function of royalties earned to date instead of estimating incremental royalty contract revenue. Accordingly, in these instances revenue is recognized based upon the royalties earned to date. However, there are certain other distribution arrangements that are fixed price or contain minimum guarantees that extend beyond one year. The Company recognizes revenue for fixed fee distribution contracts monthly based on minimum monthly fees or by calculating one twelfth of annual license fees specified in its distribution contracts. The transaction price allocated to remaining performance obligations within these fixed price or minimum guarantee distribution revenue contracts was $1.2 billion as of September 30, 2019 and is expected to be recognized over the next 5 years. The Company's content licensing contracts and sports sublicensing deals are licenses of functional intellectual property. Certain of these arrangements extend beyond one year. The transaction price allocated to remaining performance obligations on these long-term contracts was $724 million as of September 30, 2019 and is expected to be recognized over the next 7 years. The Company's brand licensing contracts are licenses of symbolic intellectual property. Certain of these arrangements extend beyond one year. The transaction price allocated to remaining performance obligations on these long-term contracts was $80 million as of September 30, 2019 and is expected to be recognized over the next 12 years. The value of unsatisfied performance obligations is not disclosed for: (i) contracts involving variable consideration for which revenues are recognized in accordance with the usage-based royalty exception, and (ii) contracts with an original expected length of one year or less, such as advertising contracts. Contract Balances A receivable is recorded when there is an unconditional right to consideration based on a contract with a customer. A contract liability, deferred revenue, is recorded when cash is received in advance of the Company's performance. The following table presents (in millions) the Company’s opening and closing balances of receivables and deferred revenues, as well as activity since the beginning of the period. December 31, 2018 Additions (a) Reductions Foreign Currency September 30, 2019 Accounts receivable $ 2,620 8,492 (8,419 ) 2 $ 2,695 Deferred revenues: Current $ 249 1,006 (870 ) (1 ) $ 384 Long-term (b) $ 120 67 (13 ) (3 ) $ 171 December 31, 2017 Additions (c) Reductions (d) Foreign Currency September 30, 2018 Accounts receivable $ 1,838 8,655 (7,906 ) (9 ) $ 2,578 Deferred revenues: Current $ 255 1,004 (946 ) (9 ) $ 304 Long-term (b) $ 109 37 (47 ) — $ 99 (a) This column includes accounts receivable and deferred revenues balances of $10 million and $22 million , respectively, for acquisitions completed during the nine months ended September 30, 2019 . (b) Long term deferred revenues is a component of other noncurrent liabilities on the consolidated balance sheets. (c) This column includes Scripps Networks accounts receivable and deferred revenues balances of $783 million and $116 million , respectively, as of March 6, 2018 , the date of the acquisition. (See Note 2.) (d) This column includes the impact of the sale of the Education Business on April 30, 2018. (See Note 2.) As of the sale date, accounts receivable and deferred revenue balances were $32 million and $74 million , respectively. Revenue recognized for the three and nine months ended September 30, 2019 related to the contract liability (deferred revenues) as of December 31, 2018 was $50 million and $194 million , respectively . Capitalized Contract Costs Sales commissions are generally expensed as incurred because contracts for which the sales commission are generated have terms of one year or less or are not material. Sales commissions are recorded as a component of cost of revenues on the consolidated statements of operations. The financing component of content licensing arrangements is not capitalized, because the period between delivery of the license and customer payment is one year or less or is not material.

Share-based Compensation

Share-based Compensation	9 Months Ended
	Sep. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based Compensation	SHARE-BASED COMPENSATION The Company has various incentive plans under which stock options, service-based restricted stock units ("RSUs"), performance-based restricted stock units ("PRSUs") and stock appreciation rights ("SARs") have been issued. During the nine months ended September 30, 2019 , the vesting and service requirements of share-based awards granted were consistent with the arrangements disclosed in the Company's 2018 Form 10-K. The table below presents the components of share-based compensation expense (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 PRSUs $ 2 $ 13 $ 25 $ 29 RSUs 12 8 28 21 Stock options 8 8 25 15 SARs (9 ) 14 4 27 Total share-based compensation expense $ 13 $ 43 $ 82 $ 92 Tax benefit recognized $ 2 $ 10 $ 10 $ 21 Compensation expense for all awards was recorded in selling, general and administrative expense on the consolidated statements of operations. Liability-classified share-based compensation awards include certain PRSUs, RSUs and SARs. The Company records expense for the fair value of cash-settled and other liability-classified share-based compensation awards ratably over the graded vesting service period based on changes in fair value and the probability that performance targets will be met, if applicable. The table below presents current and non-current portions of liability-classified share-based compensation awards (in millions). September 30, 2019 December 31, 2018 Current portion of liability-classified awards: PRSUs $ 22 $ 21 SARs 5 2 Non-current portion of liability-classified awards: PRSUs 21 22 SARs 8 9 RSUs 2 — Total liability-classified share-based compensation award liability $ 58 $ 54 The table below presents award activity (in millions, except weighted-average grant price) for PRSUs, RSUs and SARs. Nine Months Ended September 30, 2019 Awards Weighted-Average Grant Price Awards granted: PRSUs 0.5 $ 28.62 RSUs 3.1 $ 29.03 Awards converted or settled: PRSUs 1.1 $ 33.31 RSUs 0.8 $ 28.19 SARs 0.9 $ 22.39 The table below presents stock option activity (in millions, except weighted-average exercise price). Stock Options Weighted-Average Outstanding as of December 31, 2018 21.1 $ 28.86 Granted 2.1 $ 31.01 Exercised (0.6 ) $ 24.32 Forfeited/cancelled (0.8 ) $ 29.50 Outstanding as of September 30, 2019 21.8 The table below presents unrecognized compensation cost related to non-vested share-based awards and the weighted-average amortization period over which these expenses will be recognized as of September 30, 2019 (in millions, except years). Unrecognized Compensation Cost Weighted-Average Amortization Period (years) RSUs $ 197 3.55 PRSUs 9 0.84 Stock options 97 3.36 SARs 7 0.96 Total unrecognized compensation cost $ 310

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The following table reconciles the U.S. federal statutory income tax rate to the Company's effective income tax rate. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. federal statutory income tax provision $ 93 21 % $ 37 21 % $ 363 21 % $ 111 21 % State and local income taxes, net of federal tax benefit 16 3 % 10 5 % 53 3 % 15 3 % Effect of foreign operations 23 5 % (5 ) (3 )% 58 3 % 10 2 % Change in uncertain tax positions (4 ) (1 )% 3 2 % 6 — % 29 5 % Legal entity restructuring, deferred tax impact (2 ) — % — — % (457 ) (26 )% — — % Renewable energy investments tax credits (See Note 3) (1 ) — % (1 ) — % (1 ) — % (3 ) (1 )% Impairment of goodwill 26 6 % — — % 26 2 % — — % Noncontrolling interest adjustment (10 ) (2 )% (3 ) (2 )% (38 ) (2 )% (7 ) (1 )% U.S. legislative changes — — % 1 — % — — % (18 ) (3 )% Transaction costs — — % 2 1 % — — % 9 2 % Other, net 6 1 % (1 ) — % 19 1 % — — % Income tax expense $ 147 33 % $ 43 24 % $ 29 2 % $ 146 28 % We carried out numerous internal transactions during the nine months ended September 30, 2019 that were intended to integrate assets acquired from the Scripps Networks business with the Discovery business; streamline and simplify our corporate entity structures; simplify our internal financing structures; respond to the expected exit of the United Kingdom from the European Union; make our managerial structures and processes more efficient and nimble; and reduce costs associated with the maintenance of legal entities. These transactions included mergers, liquidations, and intercompany sales among members of the consolidated Discovery group. Some of these transactions have resulted in changes in certain of our deferred tax items, which are based on differences between the book versus tax bases of the assets and liabilities and on certain tax attributes, such as net operating loss carryovers. The items involved in these restructurings relate to a variety of jurisdictions in our International Networks segment. Recent changes in accounting for intercompany transactions have also impacted our effective tax rate. For example, following our adoption of ASU 2016-16, effective January 1, 2018, the income tax effects of intercompany transfers will be recognized in the period in which the transfer occurs, rather than amortized over time, which will increase the impact of such transfers on our effective tax rate in the periods in which the transfers occur. Moreover, U.S. tax reform has a continued effect as the U.S. Treasury Department issues final regulations clarifying application of the new law; and several tax controversies have come to resolution. The net effect of the various changes in our deferred tax balances and related valuation allowances has been the recognition of a one-time, non-cash deferred income tax benefit of $457 million during the nine months ended September 30, 2019 . The Company and its subsidiaries file income tax returns in the U.S. and various state and foreign jurisdictions. The Internal Revenue Service recently completed audit procedures for its 2008 to 2011 tax years, the results of which should be finalized in the coming year. The Company is currently under audit by the Internal Revenue Service for its 2012 to 2014 consolidated federal income tax returns. It is difficult to predict the final outcome or timing of resolution of any particular tax matter. Accordingly, the impact of these audits on any of the reserves for uncertain tax positions cannot currently be determined. With few exceptions, the Company is no longer subject to audit by any jurisdiction for years prior to 2006 . The Company's reserves for uncertain tax positions as of September 30, 2019 and December 31, 2018 totaled $425 million and $378 million , respectively. It is reasonably possible that the total amount of unrecognized tax benefits related to certain of the Company's uncertain tax positions could decrease by as much as $146 million within the next twelve months as a result of ongoing audits, lapses of statutes of limitations or regulatory developments. As of September 30, 2019 and December 31, 2018 , the Company had accrued approximately $77 million and $51 million , respectively, of total interest and penalties payable related to unrecognized tax benefits. The Company recognizes interest and penalties related to unrecognized tax benefits as a component of income tax expense.

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2019
Earnings Per Share [Abstract]
Earnings Per Share	EARNINGS PER SHARE In calculating earnings per share, the Company follows the two -class method, which distinguishes between classes of securities based on the proportionate participation rights of each security type in the Company's undistributed income. The Company's Series A, B and C common stock is treated as one class and the Series C-1 convertible preferred stock is treated as a separate class for purposes of applying the two-class method. The Company's Series C-1 convertible preferred stock is an in substance common stock equivalent as it has substantially equal rights and shares equally on an as-converted basis with respect to income available to Discovery, Inc. The Company's Series A-1 convertible preferred stock is also a separate class but is not considered a common stock equivalent and therefore is not presented separately in the calculation of earnings per share. Series A-1 convertible preferred stock is currently convertible into nine shares of our Series A common stock and Series C-1 convertible preferred stock is convertible into 19.3648 shares of our Series C common stock, subject to certain anti-dilution adjustments. During the nine months ended September 30, 2019 , Advance Newhouse Programming Partnership converted 645,502 of its Series C-1 convertible preferred stock into 12.5 million shares of Series C common stock. Net income allocated to Discovery, Inc. Series C-1 convertible preferred stockholders for diluted net income per share is included in net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share. The weighted average number of diluted shares outstanding adjusts the weighted average number of shares of Series A, B and C common stock outstanding for the potential dilution that would occur if common stock equivalents, including convertible preferred stock and share-based awards, were converted into common stock or exercised, calculated using the treasury stock method. The computation of the diluted earnings per share of Series A, B and C common stockholders assumes the conversion of Series A-1 and C-1 convertible preferred stock, while the diluted earnings per share amounts of Series C-1 convertible preferred stock does not assume conversion of those shares. The table below sets forth the Company's calculated earnings per share. Earnings per share amounts may not recalculate due to rounding. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Numerator: Net income $ 297 $ 135 $ 1,702 $ 382 Less: Allocation of undistributed income to Series A-1 convertible preferred stock (25 ) (12 ) (157 ) (34 ) Net income attributable to noncontrolling interests (29 ) (13 ) (94 ) (41 ) Net income attributable to redeemable noncontrolling interests (6 ) (5 ) (15 ) (16 ) Redeemable noncontrolling interest adjustments to redemption value (12 ) — (16 ) (6 ) Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share $ 225 $ 105 $ 1,420 $ 285 Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share: Series A, B and C common stockholders $ 188 $ 86 $ 1,173 $ 231 Series C-1 convertible preferred stockholders 37 19 247 54 Total 225 105 1,420 285 Add: Allocation of undistributed income to Series A-1 convertible preferred stockholders 25 12 157 34 Net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share $ 250 $ 117 $ 1,577 $ 319 Denominator — weighted average: Series A, B and C common shares outstanding — basic 535 523 529 490 Impact of assumed preferred stock conversion 175 187 182 187 Dilutive effect of share-based awards 3 3 3 2 Series A, B and C common shares outstanding — diluted 713 713 714 679 Series C-1 convertible preferred stock outstanding — basic and diluted 5 6 6 6 Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.22 $ 0.47 Series C-1 convertible preferred stockholders $ 6.82 $ 3.19 $ 42.94 $ 9.13 Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.21 $ 0.47 Series C-1 convertible preferred stockholders $ 6.80 $ 3.18 $ 42.77 $ 9.10 The table below presents the details of share-based awards that were excluded from the calculation of diluted earnings per share (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Anti-dilutive share-based awards 18 16 18 13 PRSUs whose performance targets have not been achieved 2 2 2 2 Only outstanding PRSUs whose performance targets have been achieved as of the last day of the most recent period are included in the dilutive effect calculation.

Supplemental Disclosures

Supplemental Disclosures	9 Months Ended
	Sep. 30, 2019
Disclosure Text Block Supplement [Abstract]
Supplemental Disclosures	SUPPLEMENTAL DISCLOSURES The following tables present supplemental information related to the consolidated financial statements (in millions). Other Expense, net Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Foreign currency income (losses), net $ 27 $ (8 ) $ 20 $ (59 ) (Losses) gains on derivative instruments, net (22 ) 1 (45 ) 11 Change in the value of common stock investments with readily determinable fair value (15 ) (1 ) (32 ) (44 ) Gain on sale of equity method investments — — 10 — Remeasurement gain on previously held equity interest — — 14 — Interest income 9 — 18 15 Other (expense) income, net — (7 ) 5 (7 ) Total other expense, net $ (1 ) $ (15 ) $ (10 ) $ (84 ) Supplemental Cash Flow Information Nine Months Ended September 30, 2019 2018 Cash paid for taxes, net $ 499 $ 290 Cash paid for interest, net $ 541 $ 576 Non-cash investing and financing activities: Equity issued for the acquisition of Scripps Networks $ — $ 3,218 Disposal of UKTV investment and acquisition of Lifestyle Business $ 291 $ — Accrued purchases of property and equipment $ 41 $ 36 Assets acquired under finance lease arrangements $ 13 $ 51

Related Party Transactions

Related Party Transactions	9 Months Ended
	Sep. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS In the normal course of business, the Company enters into transactions with related parties. Related parties include entities that share common directorship, such as Liberty Global plc (“Liberty Global”), Liberty Broadband Corporation ("Liberty Broadband") and their subsidiaries and equity method investees (together the “Liberty Group”). Discovery’s Board of Directors includes Mr. Malone, who is Chairman of the Board of Liberty Global and beneficially owns approximately 27% of the aggregate voting power with respect to the election of directors of Liberty Global. Mr. Malone is also Chairman of the Board of Liberty Broadband and beneficially owns approximately 48% of the aggregate voting power with respect to the election of directors of Liberty Broadband. The majority of the revenue earned from the Liberty Group relates to multi-year network distribution arrangements. Related party transactions also include revenues and expenses for content and services provided to or acquired from equity method investees, such as All3Media, UKTV (prior to the transaction discussed in Note 2), nC+ and a Russian cable television business, or minority partners of consolidated subsidiaries, such as Hasbro and the Tribune Company. The table below presents a summary of the transactions with related parties (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Revenues and service charges: Liberty Group $ 154 $ 165 $ 505 $ 472 Equity method investees 61 101 203 189 Other 15 13 42 50 Total revenues and service charges $ 230 $ 279 $ 750 $ 711 Interest income $ — $ 2 $ 1 $ 4 Expenses $ (44 ) $ (87 ) $ (304 ) $ (269 ) The table below presents receivables due from related parties (in millions). September 30, 2019 December 31, 2018 Receivables $ 139 $ 167 Note receivable (a) $ — $ 94 (a) Amount relates to a note receivable with UKTV, an equity method investee acquired in conjunction with the acquisition of Scripps Networks. On June 11, 2019, the Company and BBC dissolved their 50/50 joint venture in UKTV. (See Note 2.)

Commitments, Contingencies, and

Commitments, Contingencies, and Guarantees	9 Months Ended
	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments, Contingencies, and Guarantees	COMMITMENTS, CONTINGENCIES, AND GUARANTEES Commitments In the normal course of business, the Company enters into various commitments, which primarily include programming and talent arrangements, operating and finance leases, employment contracts, arrangements to purchase various goods and services, and future funding commitments to equity method investees. Contingencies Put Rights The Company has granted put rights to certain consolidated subsidiaries. (See Note 10.) Legal Matters The Company is party to various lawsuits and claims in the ordinary course of business, including claims related to employees, vendors, other business partners or patent issues. However, a determination as to the amount of the accrual required for such contingencies is highly subjective and requires judgment about future events. Although the outcome of these matters cannot be predicted with certainty and the impact of the final resolution of these matters on the Company's results of operations in a particular subsequent reporting period is not known, management does not believe that the resolution of these matters will have a material adverse effect on the Company's future consolidated financial position, future results of operations or cash flows. During the three months ended June 30, 2018, the Company received written notification from tax authorities of a withholding tax claim stemming from an audit that commenced in 2017 . A liability of $40 million was recorded as part of the provisional Scripps Networks purchase accounting as of December 31, 2018 . During the nine months ended September 30, 2019 , the withholding tax claim was settled with a portion of the claim being resolved subsequent to the measurement period, which resulted in a reversal of the remaining accrual and a reduction in selling, general, and administrative expense of approximately $29 million . Guarantees There were no guarantees recorded under ASC 460 as of September 30, 2019 and December 31, 2018 . The Company may provide or receive indemnities intended to allocate business transaction risks. Similarly, the Company may remain contingently liable for certain obligations of a divested business in the event that a third party does not fulfill its obligations under an indemnification obligation. The Company records a liability for its indemnification obligations and other contingent liabilities when probable and estimable. There were no material amounts for indemnifications or other contingencies recorded as of September 30, 2019 and December 31, 2018 .

Reportable Segments

Reportable Segments	9 Months Ended
	Sep. 30, 2019
Segment Reporting [Abstract]
Reportable Segments	REPORTABLE SEGMENTS The Company’s operating segments are determined based on: (i) financial information reviewed by its chief operating decision maker ("CODM"), the Chief Executive Officer ("CEO"), (ii) internal management and related reporting structure, and (iii) the basis upon which the CEO makes resource allocation decisions. The Company's operating segments did not change as a result of the acquisition of Scripps Networks. The accounting policies of the reportable segments are the same as the Company’s, except that certain inter-segment transactions that are eliminated for consolidation are not eliminated at the segment level. Inter-segment transactions primarily include advertising and content purchases. The Company evaluates the operating performance of its segments based on financial measures such as revenues and adjusted operating income before depreciation and amortization (“Adjusted OIBDA”). Adjusted OIBDA is defined as operating income excluding: (i) employee share-based compensation, (ii) depreciation and amortization, (iii) restructuring and other charges, (iv) certain impairment charges, (v) gains and losses on business and asset dispositions, (vi) certain inter-segment eliminations related to production studios, (vii) third-party transaction costs directly related to the acquisition and integration of Scripps Networks and other transactions, and (viii) other items impacting comparability, such as the non-cash settlement of a withholding tax claim. (See Note 19.) The Company uses this measure to assess the operating results and performance of its segments, perform analytical comparisons, identify strategies to improve performance and allocate resources to each segment. The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes share-based compensation, restructuring and other charges, certain impairment charges, gains and losses on business and asset dispositions and Scripps Networks transaction and integration costs from the calculation of Adjusted OIBDA due to their impact on comparability between periods. The Company also excludes depreciation of fixed assets and amortization of intangible assets, as these amounts do not represent cash payments in the current reporting period. Certain corporate expenses are excluded from segment results to enable executive management to evaluate segment performance based upon the decisions of segment executives. Total Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income and other measures of financial performance reported in accordance with GAAP. Effective January 1, 2019, the Company's definition of Adjusted OIBDA was modified to exclude all share-based compensation, whereas only mark-to-market share-based compensation was previously excluded. Over time, the Company has moved to a higher percentage of equity classified awards (in lieu of liability classified awards, which require mark-to-market accounting) under its stock incentive plans and expects to continue this practice in future periods. Since most equity classified awards are non-cash expenses not entirely under management control, we have elected to exclude all employee share-based compensation from Adjusted OIBDA beginning in 2019. The revised definition of Adjusted OIBDA will be used by the Company's CODM in evaluating segment performance in 2019. Accordingly, prior period amounts have been recast to reflect the current definition. The tables below present summarized financial information for each of the Company’s reportable segments, other, and corporate and inter-segment eliminations (in millions). Revenues Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 1,725 $ 1,674 $ 5,340 $ 4,628 International Networks 950 916 2,922 3,065 Other 3 3 8 52 Corporate and inter-segment eliminations — (1 ) — (1 ) Total revenues $ 2,678 $ 2,592 $ 8,270 $ 7,744 Adjusted OIBDA Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 1,005 $ 901 $ 3,192 $ 2,536 International Networks 237 254 742 727 Other 1 — 3 3 Corporate and inter-segment eliminations (117 ) (95 ) (371 ) (275 ) Total Adjusted OIBDA $ 1,126 $ 1,060 $ 3,566 $ 2,991 Reconciliation of Net Income available to Discovery, Inc. to Total Adjusted OIBDA Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Net income available to Discovery, Inc. $ 262 $ 117 $ 1,593 $ 325 Net income attributable to redeemable noncontrolling interests 6 5 15 16 Net income attributable to noncontrolling interests 29 13 94 41 Income tax expense 147 43 29 146 Income before income taxes 444 178 1,731 528 Other expense, net 1 15 10 84 Loss (income) from equity investees, net 11 (9 ) 20 53 Loss on extinguishment of debt — — 28 — Interest expense, net 163 185 515 558 Operating income 619 369 2,304 1,223 Gain on disposition — — — (84 ) Restructuring and other charges 8 224 20 652 Impairment of goodwill 155 — 155 — Depreciation and amortization 322 398 1,014 1,001 Employee share-based compensation 11 43 80 92 Transaction and integration costs 11 26 22 107 Settlement of a withholding tax claim — — (29 ) — Total Adjusted OIBDA $ 1,126 $ 1,060 $ 3,566 $ 2,991 Total Assets September 30, 2019 December 31, 2018 U.S. Networks $ 18,420 $ 18,683 International Networks 7,534 7,208 Other 173 227 Corporate and inter-segment eliminations 6,698 6,432 Total assets $ 32,825 $ 32,550 Total assets for corporate and inter-segment eliminations include goodwill that is allocated to the Company’s segments. The presentation of segment assets in the table above is consistent with the financial reports that are reviewed by the Company’s CEO.

Restructuring and Other Charges

Restructuring and Other Charges	9 Months Ended
	Sep. 30, 2019
Restructuring and Related Activities [Abstract]
Restructuring and Other Charges	RESTRUCTURING AND OTHER CHARGES Restructuring and other charges by reportable segments, other, and corporate and inter-segment eliminations were as follows (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 4 $ 206 $ 11 $ 259 International Networks 5 16 15 262 Other — — — 1 Corporate and inter-segment eliminations (1 ) 2 (6 ) 130 Total restructuring and other charges $ 8 $ 224 $ 20 $ 652 Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Restructuring charges $ 8 $ 63 $ 20 $ 314 Other charges — 161 — 338 Total restructuring and other charges $ 8 $ 224 $ 20 $ 652 Restructuring charges include contract terminations, employee terminations and facility closures. For the three and nine months ended September 30, 2019 , these charges result from activities to integrate Scripps Networks and other cost reduction initiatives. For the three and nine months ended September 30, 2018 , these charges result from activities to integrate Scripps Networks and establish an efficient cost structure. Contract-related restructuring charges include costs to terminate certain production commitments, life of series production and content licensing contracts. Employee terminations relate to cost reduction efforts and management changes. Facility-related restructuring charges are recognized upon exiting all or a portion of a leased facility after meeting cease-use requirements. Other charges relate to content write-offs which resulted from a global strategic review of content following the acquisition of Scripps Networks. Changes in restructuring and other liabilities recorded in accrued liabilities by major category were as follows (in millions). U.S. Networks International Networks Corporate and inter-segment eliminations (a) Total December 31, 2018 $ 16 $ 46 $ 46 $ 108 Net contract termination accruals — — (6 ) (6 ) Net employee relocation/termination accruals 11 15 (6 ) 20 Cash paid (19 ) (35 ) (20 ) (74 ) September 30, 2019 $ 8 $ 26 $ 14 $ 48 (a) $1 million and $5 million of net contract termination accruals related to lease exits were reclassified from accrued liabilities and other noncurrent liabilities, respectively, to right-of-use assets on the balance sheet upon adoption of ASU 2016-02 on January 1, 2019 .

Condensed Consolidating Financi

Condensed Consolidating Financial Statements	9 Months Ended
	Sep. 30, 2019
Condensed Financial Information Disclosure [Abstract]
Condensed Consolidating Financial Statements	CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Overview As of September 30, 2019 and December 31, 2018 , most of the Company's outstanding senior notes have been issued by DCL, a wholly owned subsidiary of the Company, pursuant to one or more Registration Statements on Form S-3 filed with the U.S. Securities and Exchange Commission ("SEC"). (See Note 7.) Each of the Company, DCL and/or Discovery Communications Holding LLC (“DCH”) (collectively the “Issuers”) has the ability to conduct registered offerings of debt securities. Set forth below are condensed consolidating financial statements presenting the financial position, results of operations and comprehensive income and cash flows of (i) the Company, (ii) Scripps Networks, (iii) DCH, (iv) DCL, (v) the non-guarantor subsidiaries of DCL, (vi) the non-guarantor subsidiaries of Discovery, which includes Discovery Holding Company ("DHC") and Scripps Networks on a combined basis, and (vii) reclassifications and eliminations necessary to arrive at the consolidated financial statement balances for the Company. DCL primarily includes the Discovery Channel and TLC networks in the U.S. The non-guarantor subsidiaries of DCL include substantially all of the Company’s other U.S. and international networks, production companies and most of the Company’s websites and digital distribution arrangements. The non-guarantor subsidiaries of DCL are wholly owned subsidiaries of DCL with the exception of certain equity method investments. DCL is a wholly owned subsidiary of DCH. The Company wholly owns DCH through a 33 1/3% direct ownership interest and a 66 2/3% indirect ownership interest through Discovery Holding Company (“DHC”), a wholly owned subsidiary of the Company. DHC is included in the other non-guarantor subsidiaries of the Company along with the operations of Scripps Networks. On April 3, 2018 , the Company completed a non-cash transaction in which $2.3 billion aggregate principal amount of Scripps Networks outstanding debt was exchanged for Discovery senior notes (See Note 7). The exchanged Scripps Networks senior notes are fully and unconditionally guaranteed by Scripps Networks and the Company. During the three months ended June 30, 2018, the Company completed a series of senior note guaranty transactions and as a result as of June 30, 2018, the Company and Scripps Networks fully and unconditionally guarantee all of Discovery's senior notes on an unsecured basis, except for the $135 million un-exchanged Scripps Networks Senior Notes. (See Note 7.) The condensed consolidated financial statements presented below have been recast to reflect the addition of Scripps Networks as a guarantor as of and for the three and nine months ended September 30, 2018 and to reflect conforming classification changes made in conjunction with the adoption of ASU 2016-02. (See Note 1.) Basis of Presentation Solely for purposes of presenting the condensed consolidating financial statements, investments in the Company’s subsidiaries have been accounted for by their respective parent company using the equity method. Accordingly, in the following condensed consolidating financial statements the equity method has been applied to (i) the Company’s interests in DCH, Scripps Networks, and the other non-guarantor subsidiaries of the Company, including the non-guarantor subsidiaries of Scripps Networks, (ii) DCH’s interest in DCL, and (iii) DCL’s interests in the non-guarantor subsidiaries of DCL. Intercompany accounts and transactions have been eliminated to arrive at the consolidated financial statement amounts for the Company. The Company’s accounting bases in all subsidiaries, including goodwill and recognized intangible assets, have been “pushed down” to the applicable subsidiaries. The operations of certain of the Company’s international subsidiaries are excluded from the Company’s consolidated U.S. income tax return. Tax expense related to permanent differences has been allocated to the entity that created the difference. Tax expense related to temporary differences has been allocated to the entity that created the difference, where identifiable. The remaining temporary differences are allocated to each entity included in the Company’s consolidated U.S. income tax return based on each entity’s relative pretax income. Deferred taxes have been allocated based upon the temporary differences between the carrying amounts of the respective assets and liabilities of the applicable entities. The condensed consolidating financial statements below should be read in conjunction with the consolidated financial statements of the Company. Condensed Consolidating Balance Sheet September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and ASSETS Current assets: Cash and cash equivalents $ — $ 30 $ — $ 380 $ 209 $ 194 $ — $ 813 Receivables, net — — — 478 1,398 819 — 2,695 Content rights, net — — — 2 378 62 — 442 Prepaid expenses and other current assets — 2 19 69 163 124 (14 ) 363 Inter-company trade receivables, net — 32 — — — 262 (294 ) — Total current assets — 64 19 929 2,148 1,461 (308 ) 4,313 Investment in and advances to subsidiaries 9,520 13,352 — 6,764 — — (29,636 ) — Noncurrent content rights, net — — — 667 1,463 965 — 3,095 Goodwill, net — — — 3,677 3,153 6,147 — 12,977 Intangible assets, net — — — 234 1,140 7,506 — 8,880 Equity method investments — — — 17 273 239 — 529 Other noncurrent assets, including property and equipment, net — 53 20 1,071 1,361 546 (20 ) 3,031 Total assets $ 9,520 $ 13,469 $ 39 $ 13,359 $ 9,538 $ 16,864 $ (29,964 ) $ 32,825 LIABILITIES AND EQUITY Current liabilities: Current portion of debt $ — $ 58 $ — $ 541 $ 12 $ — $ — $ 611 Other current liabilities — 19 — 406 1,289 526 (14 ) 2,226 Inter-company trade payables, net — — — 69 193 32 (294 ) — Total current liabilities — 77 — 1,016 1,494 558 (308 ) 2,837 Noncurrent portion of debt — 77 — 14,677 3 — — 14,757 Negative carrying amount in subsidiaries, net — — 3,420 — — 2,256 (5,676 ) — Other noncurrent liabilities 2 58 2 1,086 831 1,693 (20 ) 3,652 Total liabilities 2 212 3,422 16,779 2,328 4,507 (6,004 ) 21,246 Redeemable noncontrolling interests — — — — 446 — — 446 Total Discovery, Inc. stockholders' equity 9,518 13,257 (3,383 ) (3,420 ) 6,764 12,357 (25,575 ) 9,518 Noncontrolling interests — — — — — — 1,615 1,615 Total equity 9,518 13,257 (3,383 ) (3,420 ) 6,764 12,357 (23,960 ) 11,133 Total liabilities and equity $ 9,520 $ 13,469 $ 39 $ 13,359 $ 9,538 $ 16,864 $ (29,964 ) $ 32,825 Condensed Consolidating Balance Sheet December 31, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and ASSETS Current assets: Cash and cash equivalents $ — $ 315 $ — $ 61 $ 475 $ 135 $ — $ 986 Receivables, net — — — 405 1,305 910 — 2,620 Content rights, net — — — 1 250 62 — 313 Prepaid expenses and other current assets 21 18 22 49 134 68 — 312 Inter-company trade receivables, net — — — 151 — — (151 ) — Total current assets 21 333 22 667 2,164 1,175 (151 ) 4,231 Investment in and advances to subsidiaries 8,367 13,248 — 6,290 — — (27,905 ) — Noncurrent content rights, net — — — 607 1,501 961 — 3,069 Goodwill, net — — — 3,678 3,298 6,030 — 13,006 Intangible assets, net — — — 246 1,261 8,167 — 9,674 Equity method investments, including note receivable — 94 — 23 291 527 — 935 Other noncurrent assets, including property and equipment, net — 35 20 537 607 456 (20 ) 1,635 Total assets $ 8,388 $ 13,710 $ 42 $ 12,048 $ 9,122 $ 17,316 $ (28,076 ) $ 32,550 LIABILITIES AND EQUITY Current liabilities: Current portion of debt $ — $ 106 $ — $ 1,701 $ 12 $ — $ — $ 1,819 Other current liabilities — 30 — 402 1,266 480 — 2,178 Inter-company trade payables, net — — — — 151 — (151 ) — Total current liabilities — 136 — 2,103 1,429 480 (151 ) 3,997 Noncurrent portion of debt — 134 — 14,606 234 — — 14,974 Negative carrying amount in subsidiaries, net — — 5,183 — — 3,427 (8,610 ) — Other noncurrent liabilities 2 56 — 522 754 1,748 (20 ) 3,062 Total liabilities 2 326 5,183 17,231 2,417 5,655 (8,781 ) 22,033 Redeemable noncontrolling interests — — — — 415 — — 415 Total Discovery, Inc. stockholders’ equity 8,386 13,384 (5,141 ) (5,183 ) 6,290 11,661 (21,011 ) 8,386 Noncontrolling interests — — — — — — 1,716 1,716 Total equity 8,386 13,384 (5,141 ) (5,183 ) 6,290 11,661 (19,295 ) 10,102 Total liabilities and equity $ 8,388 $ 13,710 $ 42 $ 12,048 $ 9,122 $ 17,316 $ (28,076 ) $ 32,550 Condensed Consolidating Statement of Operations Three Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 520 $ 1,295 $ 872 $ (9 ) $ 2,678 Costs of revenues, excluding depreciation and amortization — — — 105 565 249 (5 ) 914 Selling, general and administrative 6 (1 ) — 113 411 136 (5 ) 660 Depreciation and amortization — — — 13 75 234 — 322 Impairment of goodwill — — — — 155 — — 155 Restructuring and other charges — — — 6 5 (3 ) — 8 Total costs and expenses 6 (1 ) — 237 1,211 616 (10 ) 2,059 Operating (loss) income (6 ) 1 — 283 84 256 1 619 Equity in earnings of subsidiaries 267 230 96 5 — 63 (661 ) — Interest (expense), net — (4 ) — (165 ) 7 (1 ) — (163 ) (Loss) income from equity investees, net — — — — (17 ) 6 — (11 ) Other (expense) income, net — (8 ) — 8 (5 ) 4 — (1 ) Income before income taxes 261 219 96 131 69 328 (660 ) 444 Income tax benefit (expense) 1 3 — (35 ) (58 ) (58 ) — (147 ) Net income 262 222 96 96 11 270 (660 ) 297 Net income attributable to noncontrolling interests — — — — — — (29 ) (29 ) Net income attributable to redeemable noncontrolling interests — — — — — — (6 ) (6 ) Net income available to Discovery, Inc. $ 262 $ 222 $ 96 $ 96 $ 11 $ 270 $ (695 ) $ 262 Condensed Consolidating Statement of Operations Three Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 487 $ 1,267 $ 853 $ (15 ) $ 2,592 Costs of revenues, excluding depreciation and amortization — — — 118 542 284 (10 ) 934 Selling, general and administrative 5 — — 119 386 162 (5 ) 667 Depreciation and amortization — 1 — 13 87 297 — 398 Restructuring and other charges (1 ) — — 56 87 80 2 224 Total costs and expenses 4 1 — 306 1,102 823 (13 ) 2,223 Operating (loss) income (4 ) (1 ) — 181 165 30 (2 ) 369 Equity in earnings (loss) of subsidiaries 121 12 102 127 — 68 (430 ) — Interest expense, net — (2 ) — (180 ) (4 ) 1 — (185 ) Income from equity investees, net — — — 2 1 6 — 9 Other income (expense), net — 8 — (14 ) (8 ) (2 ) 1 (15 ) Income before income taxes 117 17 102 116 154 103 (431 ) 178 Income tax expense — — — (14 ) (22 ) (7 ) — (43 ) Net income 117 17 102 102 132 96 (431 ) 135 Net income attributable to noncontrolling interests — — — — — — (13 ) (13 ) Net income attributable to redeemable noncontrolling interests — — — — — — (5 ) (5 ) Net income available to Discovery, Inc. $ 117 $ 17 $ 102 $ 102 $ 132 $ 96 $ (449 ) $ 117 Condensed Consolidating Statement of Operations Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 1,567 $ 3,953 $ 2,773 $ (23 ) $ 8,270 Costs of revenues, excluding depreciation and amortization — — — 310 1,726 759 (13 ) 2,782 Selling, general and administrative 18 — — 276 1,294 417 (10 ) 1,995 Depreciation and amortization — — — 36 236 742 — 1,014 Impairment of goodwill — — — — 155 — — 155 Restructuring and other charges — — — 6 17 (3 ) — 20 Total costs and expenses 18 — — 628 3,428 1,915 (23 ) 5,966 Operating (loss) income (18 ) — — 939 525 858 — 2,304 Equity in earnings (loss) of subsidiaries 1,607 645 1,001 719 — 667 (4,639 ) — Interest expense, net — (4 ) — (515 ) 5 (1 ) — (515 ) Loss on extinguishment of debt — — — (28 ) — — — (28 ) Loss (income) from equity investees, net — — — (2 ) (45 ) 27 — (20 ) Other income (expense), net — — — 1 (19 ) 8 — (10 ) Income before income taxes 1,589 641 1,001 1,114 466 1,559 (4,639 ) 1,731 Income tax benefit (expense) 4 1 — (113 ) 268 (189 ) — (29 ) Net income 1,593 642 1,001 1,001 734 1,370 (4,639 ) 1,702 Net income attributable to noncontrolling interests — — — — — — (94 ) (94 ) Net income attributable to redeemable noncontrolling interests — — — — — — (15 ) (15 ) Net income available to Discovery, Inc. $ 1,593 $ 642 $ 1,001 $ 1,001 $ 734 $ 1,370 $ (4,748 ) $ 1,593 Condensed Consolidating Statement of Operations Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 1,481 $ 4,201 $ 2,087 $ (25 ) $ 7,744 Costs of revenues, excluding depreciation and amortization — — — 332 2,001 668 (12 ) 2,989 Selling, general and administrative 36 — — 286 1,239 415 (13 ) 1,963 Depreciation and amortization — 1 — 41 280 679 — 1,001 Restructuring and other charges 8 — — 115 322 207 — 652 Gain on disposition — — — — (84 ) — — (84 ) Total costs and expenses 44 1 — 774 3,758 1,969 (25 ) 6,521 Operating (loss) income (44 ) (1 ) — 707 443 118 — 1,223 Equity in earnings (loss) of subsidiaries 360 50 327 189 — 218 (1,144 ) — Interest expense — (6 ) — (525 ) (26 ) (1 ) — (558 ) Income (loss) from equity investees, net — — — 3 (76 ) 20 — (53 ) Other income (expense), net — 10 — 35 (86 ) (43 ) — (84 ) Income before income taxes 316 53 327 409 255 312 (1,144 ) 528 Income tax benefit (expense) 9 — — (82 ) (50 ) (23 ) — (146 ) Net income 325 53 327 327 205 289 (1,144 ) 382 Net income attributable to noncontrolling interests — — — — — — (41 ) (41 ) Net income attributable to redeemable noncontrolling interests — — — — — — (16 ) (16 ) Net income available to Discovery, Inc. $ 325 $ 53 $ 327 $ 327 $ 205 $ 289 $ (1,201 ) $ 325 Condensed Consolidating Statement of Comprehensive Income (Loss) Three Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 262 $ 222 $ 96 $ 96 $ 11 $ 270 $ (660 ) $ 297 Other comprehensive (loss) income adjustments, net of tax: Currency translation (146 ) (101 ) (45 ) (45 ) (61 ) (131 ) 383 (146 ) Derivatives 30 — 30 30 30 20 (110 ) 30 Comprehensive income (loss) 146 121 81 81 (20 ) 159 (387 ) 181 Comprehensive income attributable to noncontrolling interests — — — — — — (29 ) (29 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — — — — — (6 ) (5 ) Comprehensive income (loss) attributable to Discovery, Inc. $ 147 $ 121 $ 81 $ 81 $ (20 ) $ 159 $ (422 ) $ 147 Condensed Consolidating Statement of Comprehensive Income Three Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 117 $ 17 $ 102 $ 102 $ 132 $ 96 $ (431 ) $ 135 Other comprehensive income (loss) adjustments, net of tax: Currency translation 34 23 11 11 13 30 (88 ) 34 Derivatives (8 ) — (8 ) (8 ) (8 ) (5 ) 29 (8 ) Comprehensive income 143 40 105 105 137 121 (490 ) 161 Comprehensive income attributable to noncontrolling interests — — — — — — (13 ) (13 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — 1 1 1 1 (9 ) (4 ) Comprehensive income attributable to Discovery, Inc. $ 144 $ 40 $ 106 $ 106 $ 138 $ 122 $ (512 ) $ 144 Condensed Consolidating Statement of Comprehensive Income Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 1,593 $ 642 $ 1,001 $ 1,001 $ 734 $ 1,370 $ (4,639 ) $ 1,702 Other comprehensive income (loss) adjustments, net of tax: Currency translation (205 ) (104 ) (101 ) (101 ) (116 ) (171 ) 593 (205 ) Derivatives (9 ) — (9 ) (9 ) (9 ) (6 ) 33 (9 ) Comprehensive income 1,379 538 891 891 609 1,193 (4,013 ) 1,488 Comprehensive income attributable to noncontrolling interests — — — — — — (94 ) (94 ) Comprehensive income attributable to redeemable noncontrolling interests — — — — — — (15 ) (15 ) Comprehensive income attributable to Discovery, Inc. $ 1,379 $ 538 $ 891 $ 891 $ 609 $ 1,193 $ (4,122 ) $ 1,379 Condensed Consolidating Statement of Comprehensive Income (Loss) Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 325 $ 53 $ 327 $ 327 $ 205 $ 289 $ (1,144 ) $ 382 Other comprehensive income (loss) adjustments, net of tax: Currency translation (169 ) (154 ) (15 ) (15 ) (28 ) (164 ) 376 (169 ) Derivatives 16 — 16 16 16 11 (59 ) 16 Comprehensive income (loss) 172 (101 ) 328 328 193 136 (827 ) 229 Comprehensive income attributable to noncontrolling interests — — — — — — (41 ) (41 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — 1 1 1 1 (20 ) (15 ) Comprehensive income (loss) attributable to Discovery, Inc. $ 173 $ (101 ) $ 329 $ 329 $ 194 $ 137 $ (888 ) $ 173 Condensed Consolidating Statement of Cash Flows Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Operating Activities Cash provided by (used in) operating activities $ 5 $ (13 ) $ 4 $ 99 $ 882 $ 1,190 $ — $ 2,167 Investing Activities Business acquisitions, net of cash acquired — — — — (60 ) — — (60 ) Investments in and advances to equity investments — — — (81 ) (111 ) (23 ) — (215 ) Proceeds from dissolution of joint venture — 60 — — 2 55 — 117 Purchases of property and equipment — — — (10 ) (140 ) (39 ) — (189 ) Proceeds from derivative instruments, net — — — — 52 — — 52 Inter-company distributions and other investing activities, net — — — 75 — 4 (75 ) 4 Cash provided by (used in) investing activities — 60 — (16 ) (257 ) (3 ) (75 ) (291 ) Financing Activities Principal repayments of revolving credit facility — — — — (225 ) — — (225 ) Borrowings from debt, net of discount and issuance costs — — — 1,479 — — — 1,479 Principal repayments of debt, including discount payment — (107 ) — (2,545 ) — — — (2,652 ) Principal repayments of finance lease obligations — — — (7 ) (26 ) (2 ) — (35 ) Repurchases of stock (300 ) — — — — — — (300 ) Distributions to noncontrolling interests and redeemable noncontrolling interests — — — — (32 ) (195 ) — (227 ) Share-based plan (payments) proceeds, net (9 ) — — — — — — (9 ) Repayments under program financing line of credit, net — — — — (8 ) — — (8 ) Payments for hedging instruments — — — — (18 ) — — (18 ) Inter-company contributions (distributions) and other financing activities, net 304 (225 ) (4 ) 1,309 (524 ) (932 ) 75 3 Cash used in (provided by) financing activities (5 ) (332 ) (4 ) 236 (833 ) (1,129 ) 75 (1,992 ) Effect of exchange rate changes on cash and cash equivalents — — — — (58 ) 1 — (57 ) Net change in cash and cash equivalents — (285 ) — 319 (266 ) 59 — (173 ) Cash and cash equivalents, beginning of period — 315 — 61 475 135 — 986 Cash and cash equivalents, end of period $ — $ 30 $ — $ 380 $ 209 $ 194 $ — $ 813 Condensed Consolidating Statement of Cash Flows Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Operating Activities Cash (used in) provided by operating activities $ (68 ) $ (39 ) $ 1 $ (20 ) $ 1,005 $ 768 $ — $ 1,647 Investing Activities Business acquisitions, net of cash acquired (8,714 ) 54 — — — 95 — (8,565 ) (Payments for) proceeds from investments — — — (10 ) (54 ) 8 — (56 ) Proceeds from dispositions, net of cash disposed — — — — 107 — — 107 Proceeds from sale of assets — — — — 68 — — 68 Purchases of property and equipment — — — (16 ) (68 ) (22 ) — (106 ) Payments for derivative instruments, net — — — — (3 ) — — (3 ) Other investing activities, net — 8 — 8 4 (6 ) (8 ) 6 Cash (used in) provided by investing activities (8,714 ) 62 — (18 ) 54 75 (8 ) (8,549 ) Financing Activities Commercial paper borrowings — — — 293 — — — 293 Principal repayments of revolving credit facility — — — — (100 ) — — (100 ) Borrowings under term loan agreements — — — 2,000 — — — 2,000 Principal (repayments) borrowings of term loans — — — (2,000 ) — — — (2,000 ) Principal repayments of capital lease obligations — — — (6 ) (22 ) (9 ) — (37 ) Distributions to redeemable noncontrolling interests — — — — (22 ) (37 ) — (59 ) Share-based plan proceeds, net 44 — — — — — — 44 Borrowing under program financing line of credit — — — 23 — — — 23 Other financing activities, net 8,738 20 (1 ) (7,032 ) (1,059 ) (690 ) 8 (16 ) Cash provided by (used in) financing activities 8,782 20 (1 ) (6,722 ) (1,203 ) (736 ) 8 148 Effect of exchange rate changes on cash and cash equivalents — — — — (18 ) (6 ) — (24 ) Net change in cash and cash equivalents — 43 — (6,760 ) (162 ) 101 — (6,778 ) Cash and cash equivalents, beginning of period — — — 6,800 509 — — 7,309 Cash and cash equivalents, end of period $ — $ 43 $ — $ 40 $ 347 $ 101 $ — $ 531

Description of Business and B_2

Description of Business and Basis of Presentation (Policies)	9 Months Ended
	Sep. 30, 2019
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation and Basis of Presentation The consolidated financial statements include the accounts of Discovery and its majority-owned subsidiaries in which a controlling interest is maintained. For each non-wholly owned subsidiary, the Company evaluates its ownership and other interests to determine whether it should consolidate the entity or account for its ownership interest as an equity method investment or an equity investment without a readily determinable fair value. As part of its evaluation, the Company makes judgments in determining whether the entity is a variable interest entity ("VIE") and, if so, whether it is the primary beneficiary of the VIE and is thus required to consolidate the entity. (See Note 3.) Inter-company accounts and transactions between consolidated entities have been eliminated in consolidation.
Basis of Presentation	Unaudited Interim Financial Statements These consolidated financial statements are unaudited; however, in the opinion of management, they reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in Discovery’s Annual Report on Form 10-K for the year ended December 31, 2018 (the “ 2018 Form 10-K”).
Use of Estimates	Use of Estimates The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions, and management’s evaluation could change as actual results may differ materially from those estimates. These estimates are sometimes complex, sensitive to changes in assumptions and may require fair value determinations using Level 3 fair value measurements. Estimates and judgments inherent in the preparation of the consolidated financial statements include, but are not limited to, accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, share-based compensation, defined benefit plans, income taxes, other financial instruments, contingencies and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.
Accounting and Reporting Pronouncements Adopted and Not Yet Adopted	Accounting and Reporting Pronouncements Adopted Leases In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2016-02, which requires lessees to recognize almost all of their leases on the balance sheet by recording a right-of-use asset and lease liability. The guidance also requires improved disclosures to help users of the financial statements better understand the amount, timing, and uncertainty of cash flows arising from leases. The Company adopted ASU 2016-02 effective January 1, 2019 and elected to apply the guidance at the effective date without recasting the comparative periods presented. Additionally, the Company elected to apply practical expedients allowing it to not reassess: 1) whether any expired or existing contracts previously assessed as not containing leases are, or contain, leases; 2) the lease classification for any expired or existing leases; and 3) initial direct costs for any existing leases. The Company also elected to not separate lease components from non-lease components across all lease categories. Instead, each separate lease component and non-lease component are accounted for as a single lease component. The Company did not elect to apply the practical expedient to use hindsight in determining the lease term and in assessing the right-of-use assets for impairment. Additionally, the Company did not elect to apply the short-term lease scope exemption. The adoption of ASU 2016-02 resulted in recognition of operating lease right-of-use assets of $342 million (included in “Other noncurrent assets”) and operating lease liabilities of $372 million (included in “Accrued liabilities” and “Other noncurrent liabilities”). The operating lease right-of use assets recorded upon adoption were offset by prepaid and deferred rent balances and ASC 420 liabilities totaling approximately $30 million . In addition, capital lease obligations totaling $252 million as of December 31, 2018 (known as finance lease liabilities effective January 1, 2019 ) were reclassified from current and noncurrent debt to components of "Accrued liabilities" and "Other noncurrent liabilities" on the consolidated balance sheet to conform with the new presentation. The adoption did not affect the pattern of expense recognition, cash flow presentation, or the Company's ability to meet its financial covenants. See Note 8 for further information. Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income In February 2018 , the FASB issued ASU 2018-02, which permits entities to reclassify tax effects stranded in accumulated other comprehensive income as a result of the 2017 Tax Cuts and Jobs Act ("TCJA") to retained earnings for each period in which the effect of the change is recorded. The update also requires entities to disclose their accounting policy for releasing income tax effects from accumulated other comprehensive income. The Company adopted ASU 2018-02 effective January 1, 2019 , which resulted in a reclassification of $30 million between accumulated other comprehensive loss and retained earnings on the consolidated balance sheet and the consolidated statement of equity. Tax effects unrelated to the TCJA are released from accumulated other comprehensive loss using either the specific identification approach or the portfolio approach based on the nature of the underlying item. Targeted Improvements to Accounting for Hedging Activities In August 2017 , the FASB issued ASU 2017-12, which includes significant amendments that expand the eligibility for hedge accounting to more financial and nonfinancial hedging strategies. The guidance is intended to align hedge accounting with companies’ risk management strategies, simplify the application of hedge accounting, and increase transparency as to the scope and results of hedging programs. In addition, the guidance amends the presentation and disclosure requirements and changes how companies assess effectiveness. The updated guidance is effective for fiscal years beginning after December 15, 2018 , with early adoption permitted. The Company early adopted the pronouncement on July 1, 2018 . As a result, the Company changed the method by which it assesses effectiveness for net investment hedges from the forward-method to the spot-method. The Company believes the spot method better matches the spot rate changes of the net investment. Previous net losses of $87 million incurred under the forward method related to net investment hedges will remain in other comprehensive loss under the currency translation adjustments component and will be reclassified to earnings when the net investment is sold or liquidated. The adoption of ASU 2017-12 did not result in a material impact to our consolidated results of operations; however, the Company has expanded its disclosures of its derivative activities in Note 9. Accounting and Reporting Pronouncements Not Yet Adopted Targeted Improvements to Accounting for Financial Instruments, Credit Losses, and Hedging Activities In April 2019 , the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments. The new ASU provides narrow-scope amendments to help apply these recent standards. The Company will be required to adopt the provisions of this ASU on January 1, 2020 , with early adoption permitted for certain amendments. The Company is currently assessing the impact that this pronouncement will have on its consolidated financial statements. Content In March 2019 , the FASB issued ASU 2019-02, which generally aligns the accounting for production costs of episodic television series with the accounting for production costs of films. In addition, ASU 2019-02 modifies certain aspects of the capitalization, impairment, presentation and disclosure requirements in Accounting Standards Codification (“ASC”) 926-20 and the impairment, presentation and disclosure requirements in ASC 920-350. This ASU must be adopted on a prospective basis and is effective for annual periods beginning after December 15, 2019 , including interim periods within those years, with early adoption permitted. The Company is currently evaluating the impact that this pronouncement will have on its consolidated financial statements and is in the process of updating policies, processes and controls in preparation for the adoption. Goodwill In January 2017 , the FASB issued ASU 2017-04, which simplifies the subsequent measurement of goodwill by eliminating Step 2 from the former two-step goodwill impairment test and eliminating the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment. Therefore, an entity will recognize impairment charges for the amount by which the carrying amount exceeds the reporting unit's fair value not to exceed the amount of goodwill recorded for that reporting unit. Goodwill impairment will no longer be measured as the excess of the carrying amount of goodwill over its implied fair value determined by assigning the fair value of a reporting unit to all of its assets and liabilities as if it had been acquired in a business combination. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017 . This ASU must be adopted on a prospective basis for the annual or any interim goodwill impairment tests beginning after December 15, 2019 . The Company is planning to adopt ASU 2017-04 for impairment tests to be performed after January 1, 2020. Financial Instruments - Credit Losses In June 2016 , the FASB issued ASU 2016-13, which changes the impairment model for most financial assets and certain other instruments, including trade and other receivables, held-to-maturity debt securities and loans, and requires entities to use a new, forward-looking “expected loss” model that would generally result in the earlier recognition of allowances for losses. This ASU is effective for annual periods beginning after December 15, 2019 , including interim periods within those years, with early adoption permitted. Adoption of the standard will be applied using a modified retrospective approach through a cumulative-effect adjustment to retained earnings as of the effective date to align our credit loss methodology with the new standard. The Company plans to adopt ASU 2016-13 effective January 1, 2020 and is currently aggregating collections data for new credit loss models and updating policies, processes and controls in preparation for the adoption. The effect of the adoption on the consolidated financial statements will largely depend on the composition and credit quality of the Company's assets falling within the scope of ASU 2016-13 and the information about current and forecasted economic conditions available at the time of adoption.
Concentrations Risk	Concentrations Risk Customers The Company has long-term contracts with distributors around the world. For the U.S. Networks segment, approximately 96% of distribution revenue comes from the Company's 10 largest distributors in the U.S. For the International Networks segment, approximately 37% of distribution revenue comes from the Company's 10 largest distributors outside of the U.S. Agreements in place with the 10 largest cable and satellite operators in the U.S. Networks and International Networks expire at various times from 2019 through 2024 . Additionally, agreements covering the legacy Scripps Networks’ portfolio may expire at different dates than those covering the legacy Discovery portfolio and thus the Company may be negotiating with a higher number of the 10 largest U.S. operators as one or more of the legacy company portfolio agreements expire. Although the Company seeks to renew its agreements with its distributors prior to expiration of a contract, a delay in securing a renewal that results in a service disruption, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company’s financial condition and results of operations. Not only could the Company experience a reduction in distribution revenue, but it could also experience a reduction in advertising revenue, as viewership is impacted by affiliate subscriber levels. No individual customer accounted for more than 10% of total consolidated revenues for the three and nine months ended September 30, 2019 or 2018 . As of September 30, 2019 and December 31, 2018 , the Company’s trade receivables did not represent a significant concentration of credit risk as the customers and markets in which the Company operates are varied and dispersed across many geographic areas.
Fair Value Measurements	Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories: Level 1 – Quoted prices for identical instruments in active markets. Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. Level 3 – Valuations derived from techniques in which one or more significant inputs are unobservable.
Derivatives	The Company uses derivative financial instruments to modify its exposure to market risks from changes in foreign currency exchange rates and interest rates. At the inception of a derivative contract, the Company designates the derivative as one of four types based on the Company's intentions and belief as to its likely effectiveness as a hedge. These four types are: (1) a hedge of a forecasted transaction or the variability of cash flows to be received or paid related to a recognized asset or liability ("cash flow hedge"); (2) a hedge of net investments in foreign operations ("net investment hedge"); (3) a hedge of the fair value of a recognized asset or liability or of an unrecognized firm commitment ("fair value hedge"); or (4) an instrument with no hedging designation. The Company does not enter into or hold derivative financial instruments for speculative trading purposes. Unsettled derivative contracts are recorded at their gross fair values on the consolidated balance sheets. (See Note 4.) The portion of the fair value that represents cash flows occurring within one year is classified as current, and the portion related to cash flows occurring beyond one year is classified as noncurrent. Gains and losses on designated cash flow and net investment hedges are initially recognized as components of accumulated other comprehensive loss on the consolidated balance sheets and reclassified into the statements of operations in the same line item in which the hedged item is recorded and in the same period as the hedged item affects earnings. The cash flows from the designated derivative instruments used as hedges are classified in the consolidated statements of cash flows in the same section as the cash flows of the hedged item. The Company records gains and losses for instruments that receive no hedging designation, as a component of other expense, net on the consolidated statements of operations.
Redeemable Noncontrolling Interest	Redeemable noncontrolling interests reflected as of the balance sheet date are the greater of the noncontrolling interest balances adjusted for comprehensive income items and distributions or the redemption values remeasured at the period end foreign exchange rates (i.e., the "floor"). Adjustments to the carrying amount of redeemable noncontrolling interests to redemption value as a result of changes in exchange rates are reflected in currency translation, a component of other comprehensive income (loss)
Earnings Per Share	In calculating earnings per share, the Company follows the two
Segment Reporting	The accounting policies of the reportable segments are the same as the Company’s, except that certain inter-segment transactions that are eliminated for consolidation are not eliminated at the segment level. Inter-segment transactions primarily include advertising and content purchases.
Adjusted OIBDA	The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes share-based compensation, restructuring and other charges, certain impairment charges, gains and losses on business and asset dispositions and Scripps Networks transaction and integration costs from the calculation of Adjusted OIBDA due to their impact on comparability between periods. The Company also excludes depreciation of fixed assets and amortization of intangible assets, as these amounts do not represent cash payments in the current reporting period.

Acquisitions (Tables)

Acquisitions (Tables)	9 Months Ended
	Sep. 30, 2019
Business Combinations [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed	The preliminary fair value of Lifestyle Business assets acquired and liabilities assumed, as well as a reconciliation to total assets received in dissolution of the UKTV joint venture, is presented in the table below (in millions). Preliminary June 11, 2019 Cash $ 17 Content rights 18 Intangible assets 34 Goodwill 121 Accrued liabilities (12 ) Total assets acquired and liabilities assumed in Lifestyle Business 178 Note receivable from BBC 130 Cash received 88 Net assets received in dissolution of UKTV joint venture $ 396 Preliminary March 6, 2018 Measurement Period Adjustments Final March 6, 2018 Accounts receivable $ 783 $ — $ 783 Other current assets 421 (9 ) 412 Content rights 1,088 (14 ) 1,074 Property and equipment 315 — 315 Goodwill 6,003 154 6,157 Intangible assets 9,175 — 9,175 Equity method investments, including note receivable 870 (157 ) 713 Other noncurrent assets 111 4 115 Current liabilities assumed (494 ) (105 ) (599 ) Debt assumed (2,481 ) — (2,481 ) Deferred income taxes (1,695 ) 123 (1,572 ) Other noncurrent liabilities (383 ) 4 (379 ) Noncontrolling interests (1,700 ) — (1,700 ) Total consideration paid $ 12,013 $ — $ 12,013
Schedule Of Assets Derecognized	A summary of total assets derecognized in connection with the dissolution of the UKTV joint venture is presented in the table below (in millions). Carrying value of UKTV equity method investment $ 278 Settlement of note receivable 118 Total assets derecognized in dissolution of UKTV joint venture $ 396
Schedule of Components of the Acquisition	The following table summarizes the components of the aggregate consideration paid for the acquisition of Scripps Networks (in millions of dollars and shares, except for per share amounts, share conversion ratio and stock option conversion ratio) as of March 6, 2018 . Scripps Networks equity Scripps Networks shares outstanding 131 Cash consideration per Scripps Networks share $ 65.82 Cash portion of consideration $ 8,590 Scripps Networks shares outstanding 131 Share conversion ratio per Scripps Networks share 1.0584 Discovery Series C common stock 138 Discovery Series C common stock price per share $ 23.01 Equity portion of consideration $ 3,179 Shares awarded under Scripps Networks share-based compensation programs 3 Scripps Networks share-based compensation awards converting to cash 2 Average cash consideration per share awarded less applicable exercise price $ 46.90 Cash portion of consideration $ 88 Scripps Networks share-based compensation awards 1 Share-based compensation conversion ratio (based on intrinsic value per award) 3 Discovery Series C common stock issued (1) or share-based compensation converted (2) 3 Average equity value (intrinsic value of Discovery Series C common stock or options to be issued) $ 15.19 Share-based compensation equity value $ 51 Less: post-combination compensation expense (12 ) Equity portion of consideration 39 Scripps Networks transaction costs paid by Discovery 117 Total consideration paid $ 12,013
Schedule of Acquired Finite-Lived Intangible Assets by Major Class	The table below presents a summary of intangible assets acquired (in millions) and weighted average estimated useful life of these assets. Fair Value Weighted Average Useful Life in Years Trademarks and trade names $ 1,225 10 Advertiser relationships 4,995 10 Advertising backlog 280 1 Affiliate relationships 2,455 12 Broadcast licenses 220 6 Total intangible assets acquired $ 9,175
Schedule of Business Acquisition, Pro Forma Information	The following table presents their revenue and earnings as reported within the consolidated financial statements (in millions). Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Revenues: Advertising $ 588 $ 1,473 Distribution 241 556 Other 26 60 Total revenues $ 855 $ 2,089 Net income available to Discovery, Inc. $ 18 $ 54 three and nine months ended September 30, 2019 are not presented below because the results for Scripps Networks are included in the Company's September 30, 2019 unaudited consolidated statement of operations. Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Revenues $ 2,593 $ 8,367 Net income available to Discovery, Inc. $ 162 $ 510 Net income per share - basic $ 0.23 $ 0.71 Net income per share - diluted $ 0.23 $ 0.71

Investments (Tables)

Investments (Tables)	9 Months Ended
	Sep. 30, 2019
Investments [Abstract]
Summary of Investment Holdings	The Company’s investments consisted of the following (in millions). Category Balance Sheet Location September 30, 2019 December 31, 2018 Time deposits Cash and cash equivalents $ 4 $ — Equity securities: Money market funds Cash and cash equivalents 200 286 Mutual funds and company-owned life insurance contracts Prepaid and other current assets 13 28 Mutual funds and company-owned life insurance contracts Other noncurrent assets 229 188 Equity method investments: Equity investments Equity method investments 529 841 Note receivable Equity method investments — 94 Equity Investments: Common stock investments with readily determinable fair values Other noncurrent assets 45 77 Equity investments without readily determinable fair value Other noncurrent assets 507 379 Total investments $ 1,527 $ 1,893
Schedule of Unrealized Gains and Losses Related To Common Stock Investments with Readily Determinable Fair Value	The unrealized gains and losses related to the Company's common stock investments with readily determinable fair values for the three and nine months ended September 30, 2019 or 2018 are summarized in the table below (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Net losses recognized during the period on equity securities $ (15 ) $ (1 ) $ (32 ) $ (44 ) Less: Net losses recognized on equity securities sold — — — — Unrealized losses recognized during reporting period on equity securities still held at the reporting date $ (15 ) $ (1 ) $ (32 ) $ (44 )

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2019
Fair Value Disclosures [Abstract]
Summary of Fair Value Categories	Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories: Level 1 – Quoted prices for identical instruments in active markets. Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. Level 3 – Valuations derived from techniques in which one or more significant inputs are unobservable.
Schedule of Assets and Liabilities Measured on Recurring Basis	The tables below present assets and liabilities measured at fair value on a recurring basis (in millions). September 30, 2019 Category Balance Sheet Location Level 1 Level 2 Level 3 Total Assets Equity securities: Money market funds Cash and cash equivalents $ 200 $ — $ — $ 200 Mutual funds Prepaid expenses and other current assets 12 — — 12 Company-owned life insurance contracts Prepaid expenses and other current assets — 1 — 1 Mutual funds Other noncurrent assets 183 — — 183 Company-owned life insurance contracts Other noncurrent assets — 46 — 46 Equity investments with readily determinable fair value: Common stock Other noncurrent assets 45 — — 45 Derivatives: Cash flow hedges: Foreign exchange Prepaid expenses and other current assets — 13 — 13 Foreign exchange Other noncurrent assets — 12 — 12 Net investment hedges: Foreign exchange Other noncurrent assets — 2 — 2 Cross-currency swaps Prepaid expenses and other current assets — 2 — 2 Cross-currency swaps Other noncurrent assets — 117 — 117 No hedging designation: Foreign exchange Prepaid expenses and other current assets — 6 — 6 Foreign exchange Other noncurrent assets — 1 — 1 Equity (Lionsgate Collar) Other noncurrent assets — 40 — 40 Total $ 440 $ 240 $ — $ 680 Liabilities Deferred compensation plan Accrued liabilities $ 21 $ — $ — $ 21 Deferred compensation plan Other noncurrent liabilities 201 — — 201 Derivatives: Cash flow hedges: Foreign exchange Accrued liabilities — 2 — 2 Foreign exchange Other noncurrent liabilities — 6 — 6 Net investment hedges: Cross-currency swaps Accrued liabilities — 13 — 13 Cross-currency swaps Other noncurrent liabilities — 66 — 66 No hedging designation: Foreign exchange Accrued liabilities — 1 — 1 Foreign exchange Other noncurrent liabilities — 66 — 66 Total $ 222 $ 154 $ — $ 376 December 31, 2018 Category Balance Sheet Location Level 1 Level 2 Level 3 Total Assets Equity securities: Money market funds Cash and cash equivalents $ 286 $ — $ — $ 286 Mutual funds Prepaid expenses and other current assets 13 — — 13 Company-owned life insurance contracts Prepaid expenses and other current assets — 15 — 15 Mutual funds Other noncurrent assets 158 — — 158 Company-owned life insurance contracts Other noncurrent assets — 30 — 30 Equity investments with readily determinable fair value: Common stock Other noncurrent assets 77 — — 77 Derivatives: Cash flow hedges: Foreign exchange Prepaid expenses and other current assets — 13 — 13 Net investment hedges: Cross-currency swaps Other noncurrent assets — 41 — 41 Foreign exchange Other noncurrent assets — 1 — 1 No hedging designation: Equity (Lionsgate Collar) Prepaid expenses and other current assets — 14 — 14 Equity (Lionsgate Collar) Other noncurrent assets — 27 — 27 Foreign exchange Other noncurrent assets — 11 — 11 Total $ 534 $ 152 $ — $ 686 Liabilities Deferred compensation plan Accrued liabilities $ 37 $ — $ — $ 37 Deferred compensation plan Other noncurrent liabilities 178 — — 178 Derivatives: Cash flow hedges: Foreign exchange Accrued liabilities — 3 — 3 Net investment hedges: Cross-currency swaps Accrued liabilities — 39 — 39 Cross-currency swaps Other noncurrent liabilities — 81 — 81 No hedging designation: Cross-currency swaps Accrued liabilities — 1 — 1 Total $ 215 $ 124 $ — $ 339

Content Rights (Tables)

Content Rights (Tables)	9 Months Ended
	Sep. 30, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Schedule of Content Rights	The table below presents the components of content rights (in millions). September 30, 2019 December 31, 2018 Produced content rights: Completed $ 6,451 $ 5,609 In-production 648 612 Coproduced content rights: Completed 863 682 In-production 52 53 Licensed content rights: Acquired 981 1,007 Prepaid (a) 217 154 Content rights, at cost 9,212 8,117 Accumulated content rights expense (5,675 ) (4,735 ) Total content rights, net 3,537 3,382 Current portion (442 ) (313 ) Noncurrent portion $ 3,095 $ 3,069 (a) Prepaid licensed content rights includes payments for rights to the Olympic games of $138 million and $65 million reflected as current and noncurrent content rights on the consolidated balance sheet as of September 30, 2019 and December 31, 2018 , respectively.
Schedule Of Content Rights Expense	Content expense consisted of the following (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Content amortization $ 696 $ 702 $ 2,071 $ 2,178 Other production charges 96 94 300 366 Content impairments 4 163 7 345 Total content expense $ 796 $ 959 $ 2,378 $ 2,889

Goodwill (Tables)

Goodwill (Tables)	9 Months Ended
	Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	The carrying value and changes in the carrying value of goodwill attributable to each business unit were as follows (in millions). U.S. Networks International Networks Total December 31, 2018 $ 10,785 $ 2,221 $ 13,006 Acquisitions (Note 2) 3 190 193 Impairment of goodwill — (155 ) (155 ) Foreign currency translation and other adjustments 25 (92 ) (67 ) September 30, 2019 $ 10,813 $ 2,164 $ 12,977

Debt (Tables)

Debt (Tables)	9 Months Ended
	Sep. 30, 2019
Debt Disclosure [Abstract]
Outstanding Debt	The table below presents the components of outstanding debt (in millions). September 30, 2019 December 31, 2018 5.625% Senior notes, semi-annual interest, due August 2019 $ — $ 411 2.200% Senior notes, semi-annual interest, due September 2019 — 500 Floating rate notes, quarterly interest, due September 2019 — 400 2.750% Senior notes, semi-annual interest, due November 2019 — 500 2.800% Senior notes, semi-annual interest, due June 2020 600 600 5.050% Senior notes, semi-annual interest, due June 2020 — 789 4.375% Senior notes, semi-annual interest, due June 2021 640 650 2.375% Senior notes, euro denominated, annual interest, due March 2022 328 344 3.300% Senior notes, semi-annual interest, due May 2022 496 500 3.500% Senior notes, semi-annual interest, due June 2022 400 400 2.950% Senior notes, semi-annual interest, due March 2023 1,172 1,185 3.250% Senior notes, semi-annual interest, due April 2023 350 350 3.800% Senior notes, semi-annual interest, due March 2024 450 450 2.500% Senior notes, sterling denominated, annual interest, due September 2024 493 507 3.900% Senior notes, semi-annual interest, due November 2024 497 497 3.450% Senior notes, semi-annual interest, due March 2025 300 300 3.950% Senior notes, semi-annual interest, due June 2025 500 500 4.900% Senior notes, semi-annual interest, due March 2026 700 700 1.900% Senior notes, euro denominated, annual interest, due March 2027 656 688 3.950% Senior notes, semi-annual interest, due March 2028 1,700 1,700 4.125% Senior notes, semi-annual interest, due May 2029 750 — 5.000% Senior notes, semi-annual interest, due September 2037 1,250 1,250 6.350% Senior notes, semi-annual interest, due June 2040 850 850 4.950% Senior notes, semi-annual interest, due May 2042 500 500 4.875% Senior notes, semi-annual interest, due April 2043 850 850 5.200% Senior notes, semi-annual interest, due September 2047 1,250 1,250 5.300% Senior notes, semi-annual interest, due May 2049 750 — Revolving credit facility — 225 Program financing line of credit 14 22 Total debt (a) 15,496 16,918 Unamortized discount, premium and debt issuance costs, net (b) (128 ) (125 ) Debt, net of unamortized discount, premium and debt issuance costs 15,368 16,793 Current portion of debt (611 ) (1,819 ) Noncurrent portion of debt $ 14,757 $ 14,974 (a) As a result of the adoption of ASU 2016-02, capital lease obligations totaling $252 million as of December 31, 2018 (known as finance lease liabilities effective January 1, 2019 ) were reclassified from current and noncurrent debt to components of "Accrued liabilities" and "Other noncurrent liabilities" on the consolidated balance sheet to conform with the new presentation. (See Note 1 and Note 8.) (b) Current portion of unamortized discount, premium, and debt issuance costs, net is $2 million .

Leases (Tables)

Leases (Tables)	9 Months Ended
	Sep. 30, 2019
Leases [Abstract]
Schedule of Components of Lease Expense and Supplemental Cash Flow and Balance Sheet Information	The components of lease cost were as follows (in millions): Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Operating lease cost $ 29 $ 81 Finance lease cost: Amortization of right-of-use assets $ 8 $ 30 Interest on lease liabilities 2 6 Total finance lease cost $ 10 $ 36 Variable lease cost $ 3 $ 7 Supplemental cash flow information related to leases was as follows (in millions): Nine Months Ended September 30, 2019 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ (68 ) Operating cash flows from finance leases $ (6 ) Financing cash flows from finance leases $ (35 ) Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 360 Finance leases $ 13 Supplemental balance sheet information related to leases was as follows (in millions): Category Location on Balance Sheet September 30, 2019 Operating Leases Operating lease right-of-use assets Other noncurrent assets $ 620 Operating lease liabilities (current) Accrued liabilities $ 76 Operating lease liabilities (noncurrent) Other noncurrent liabilities 622 Total operating lease liabilities $ 698 Finance Leases Finance lease right-of-use assets Property and equipment, net $ 213 Finance lease liabilities (current) Accrued liabilities $ 43 Finance lease liabilities (noncurrent) Other noncurrent liabilities 190 Total finance lease liabilities $ 233 September 30, 2019 Weighted average remaining lease term (in years): Operating leases 13 Finance leases 6 Weighted average discount rate: Operating leases 3.77 % Finance leases 3.60 %
Schedule of Finance Lease Maturities	Maturities of lease liabilities as of September 30, 2019 were as follows (in millions): Operating Leases Finance Leases October 1, 2019 to September 30, 2020 $ 91 $ 51 October 1, 2020 to September 30, 2021 99 47 October 1, 2021 to September 30, 2022 69 39 October 1, 2022 to September 30, 2023 60 35 October 1, 2023 to September 30, 2024 56 28 Thereafter 544 61 Total lease payments 919 261 Less: Imputed interest (221 ) (28 ) Total $ 698 $ 233
Schedule of Operating Lease Maturities	Maturities of lease liabilities as of September 30, 2019 were as follows (in millions): Operating Leases Finance Leases October 1, 2019 to September 30, 2020 $ 91 $ 51 October 1, 2020 to September 30, 2021 99 47 October 1, 2021 to September 30, 2022 69 39 October 1, 2022 to September 30, 2023 60 35 October 1, 2023 to September 30, 2024 56 28 Thereafter 544 61 Total lease payments 919 261 Less: Imputed interest (221 ) (28 ) Total $ 698 $ 233

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value	The following table summarizes the impact of derivative financial instruments on the Company's consolidated balance sheets (in millions). There were no amounts eligible to be offset under master netting agreements as of September 30, 2019 and December 31, 2018 . September 30, 2019 December 31, 2018 Fair Value Fair Value Notional Prepaid expenses and other current assets Other non- current assets Accrued liabilities Other non- current liabilities Notional Prepaid expenses and other current assets Other non- current assets Accrued liabilities Other non- current liabilities Cash flow hedges: Foreign exchange $ 1,684 $ 13 $ 12 $ 2 $ 6 $ 267 $ 13 $ — $ 3 $ — Net investment hedges: (a) Cross-currency swaps $ 3,429 2 117 13 66 $ 3,387 — 41 39 81 Foreign exchange $ 52 — 2 — — $ 52 — 1 — — No hedging designation: Foreign exchange $ 1,100 6 1 1 66 $ 860 — 11 — — Interest rate swaps $ — — — — — $ 25 — — — — Cross-currency swaps $ — — — — — $ 64 — — 1 — Equity (Lionsgate Collar) $ 65 — 40 — — $ 97 14 27 — — Total $ 21 $ 172 $ 16 $ 138 $ 27 $ 80 $ 43 $ 81 (a) Excludes £400 million of sterling notes ( $493 million equivalent at September 30, 2019 ) designated as a net investment hedge. (See Note 7.)
Schedule of Derivative Instruments Designated as Cash Flow Hedges, Effect on Income and Other Comprehensive Income (Loss)	The following table presents the pretax impact of derivatives designated as cash flow hedges on income and other comprehensive income (loss) (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Gains (losses) recognized in accumulated other comprehensive loss (a) : Foreign exchange - derivative adjustments $ 41 $ 2 $ 15 $ 31 Interest rate - derivative adjustments $ — $ — $ (18 ) $ — Gains (losses) reclassified into income from accumulated other comprehensive loss: Foreign exchange - advertising revenue $ 1 $ — $ 4 $ (1 ) Foreign exchange - distribution revenue $ (5 ) $ 2 $ 1 $ 5 Foreign exchange - costs of revenues $ 3 $ 11 $ 1 $ 7 Foreign exchange - other expense, net (dedesignated portion): $ 3 $ — $ 3 $ — Interest rate - interest expense $ (1 ) $ — $ (1 ) $ — (a) For periods prior to the Company's adoption of ASU 2017-12 on July 1, 2018 , the amount of gain or (loss) represents only the effective portion of the hedging relationship. Effective with the adoption of ASU 2017-12, gains and losses resulting from the change in the fair value of the hedging relationship are recognized as components of accumulated other comprehensive loss.
Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss)	The following table presents the pretax impact of derivatives designated as net investment hedges on other comprehensive income (loss) (in millions). Other than amounts excluded from effectiveness testing, there were no other gains (losses) reclassified from accumulated other comprehensive loss to income during the three and nine months ended September 30, 2019 and 2018 . Three Months Ended September 30, Amount of gain (loss) recognized in AOCI Location of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) 2019 2018 2019 2018 Cross currency swaps - changes in fair value $ 82 $ 8 Interest expense, net $ 16 $ 6 Foreign exchange contracts (a) 3 — Other expense, net — — Sterling notes (foreign denominated debt) (a) 16 (3 ) N/A — — Total $ 101 $ 5 $ 16 $ 6 Nine Months Ended September 30, Amount of gain (loss) recognized in AOCI Location of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) 2019 2018 2019 2018 Cross currency swaps - changes in fair value $ 128 $ 13 Interest expense, net $ 33 $ 6 Foreign exchange contracts (a) 2 (1 ) Other expense, net — — Sterling notes (foreign denominated debt) (a) 15 13 N/A — Total $ 145 $ 25 $ 33 $ 6 (a) There are no existing components that are eligible for exclusion from effectiveness testing under ASU 2017-12. There were no forward exchange contracts outstanding at the date of adoption of ASU 2017-12.
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location	The following table presents the pretax impact of derivatives not designated as hedges and recognized in other expense, net in the consolidated statements of operations (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Interest rate swaps $ 1 $ — $ 1 $ — Cross-currency swaps 1 1 2 1 Credit contracts — — — (1 ) Equity 6 — 16 11 Foreign exchange derivatives (30 ) — (64 ) — Total in other expense, net $ (22 ) $ 1 $ (45 ) $ 11

Redeemable Noncontrolling Int_2

Redeemable Noncontrolling Interests (Tables)	9 Months Ended
	Sep. 30, 2019
Noncontrolling Interest [Abstract]
Redeemable Noncontrolling Interest	The table below summarizes the Company's redeemable noncontrolling interest balances (in millions). September 30, 2019 December 31, 2018 Discovery Family $ 206 $ 206 MotorTrend Group, LLC 120 121 Oprah Winfrey Network ("OWN") 63 58 Discovery Japan 33 30 PSG (a) 24 — Total $ 446 $ 415 (a) In connection with the noncontrolling interest in PSG that was acquired in January 2019, the noncontrolling shareholders have a put right exercisable that requires Discovery to purchase 50% of their shares on January 8, 2022 and 50% on January 8, 2023, or 100% of their shares on January 8, 2023 if the three-year put option is not exercised. Discovery also has a parallel call right on the same dates. Upon the exercise of the put or call options, the price to be paid for the redeemable noncontrolling interest is the then-current fair market value of the redeemable noncontrolling interest, subject to a floor and cap value. As the shareholders' put right is outside the control of the Company, their 29.3% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet. The table below presents the reconciliation of changes in redeemable noncontrolling interests (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Beginning balance $ 444 $ 410 $ 415 $ 413 Initial fair value of redeemable noncontrolling interests of acquired businesses — — 25 — Cash distributions to redeemable noncontrolling interests (22 ) — (32 ) (21 ) Comprehensive income adjustments: Net income attributable to redeemable noncontrolling interests 6 5 15 16 Other comprehensive loss adjustments (1 ) (1 ) (1 ) (1 ) Currency translation on redemption values — — 1 1 Retained earnings adjustments: Adjustments of redemption values to the floor 11 — 12 6 Adjustments of carrying value to fair value 7 — 7 — OWN interest adjustment 1 — 4 — Ending balance $ 446 $ 414 $ 446 $ 414

Equity (Tables)

Equity (Tables)	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Components of Other Comprehensive Income (Loss)	The table below presents the tax effects related to each component of other comprehensive income (loss) and reclassifications made in the consolidated statements of operations (in millions). Three Months Ended September 30, 2019 Three Months Ended September 30, 2018 Pretax Tax Net-of-tax Pretax Tax Expense Net-of-tax Currency translation adjustments: Unrealized gains (losses): Foreign currency $ (242 ) $ (5 ) $ (247 ) $ 26 $ 9 $ 35 Net investment hedges 101 — 101 (1 ) — (1 ) Total currency translation adjustments (141 ) (5 ) (146 ) 25 9 34 Derivative adjustments: Unrealized gains (losses) 41 (8 ) 33 2 (1 ) 1 Reclassifications: Advertising revenue (1 ) — (1 ) — — — Distribution revenue 5 (1 ) 4 (2 ) 1 (1 ) Costs of revenues (3 ) — (3 ) (11 ) 3 (8 ) Other expense, net (3 ) — (3 ) — — — Total derivative adjustments 39 (9 ) 30 (11 ) 3 (8 ) Other comprehensive income (loss) adjustments $ (102 ) $ (14 ) $ (116 ) $ 14 $ 12 $ 26 Nine Months Ended September 30, 2019 Nine Months Ended September 30, 2018 Pretax Tax Net-of-tax Pretax Tax Expense Net-of-tax Currency translation adjustments: Unrealized gains (losses): Foreign currency $ (333 ) $ (6 ) $ (339 ) $ (198 ) $ 6 $ (192 ) Net investment hedges 128 — 128 19 — 19 Reclassifications: Loss on disposition 6 — 6 4 — 4 Total currency translation adjustments (199 ) (6 ) (205 ) (175 ) 6 (169 ) Derivative adjustments: Unrealized gains (losses) (3 ) 2 (1 ) 31 (7 ) 24 Reclassifications: Advertising revenue (4 ) 1 (3 ) 1 — 1 Distribution revenue (1 ) — (1 ) (5 ) 1 (4 ) Costs of revenues (1 ) — (1 ) (7 ) 2 (5 ) Other expense, net (3 ) — (3 ) — — — Total derivative adjustments (12 ) 3 (9 ) 20 (4 ) 16 Other comprehensive income (loss) adjustments $ (211 ) $ (3 ) $ (214 ) $ (155 ) $ 2 $ (153 )
Schedule of Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss The table below presents the changes in the components of accumulated other comprehensive loss , net of taxes (in millions). Three Months Ended September 30, 2019 Currency Translation Derivatives Pension Plan and SERP Liability Accumulated Other Comprehensive Loss Beginning balance $ (891 ) $ (25 ) $ 3 $ (913 ) Other comprehensive income (loss) before reclassifications (146 ) 33 — (113 ) Reclassifications from accumulated other comprehensive income to net income — (3 ) — (3 ) Other comprehensive income (loss) (146 ) 30 — (116 ) Ending balance $ (1,037 ) $ 5 $ 3 $ (1,029 ) Three Months Ended September 30, 2018 Currency Translation Derivatives Accumulated Other Comprehensive Loss Beginning balance $ (818 ) $ 28 $ (790 ) Other comprehensive income (loss) before reclassifications 34 1 35 Reclassifications from accumulated other comprehensive loss to net income — (9 ) (9 ) Other comprehensive income (loss) 34 (8 ) 26 Ending balance $ (784 ) $ 20 $ (764 ) Nine Months Ended September 30, 2019 Currency Translation Derivatives Pension Plan and SERP Liability Accumulated Other Comprehensive Loss Beginning balance $ (804 ) $ 16 $ 3 $ (785 ) Other comprehensive income before reclassifications (211 ) (1 ) — (212 ) Reclassifications from accumulated other comprehensive loss to net income 6 (8 ) — (2 ) Other comprehensive loss (205 ) (9 ) — (214 ) Reclassifications to retained earnings resulting from the adoption of ASU 2018-02 (28 ) (2 ) — (30 ) Ending balance $ (1,037 ) $ 5 $ 3 $ (1,029 ) Nine Months Ended September 30, 2018 Currency Translation AFS (a) Derivatives Accumulated Other Comprehensive Loss Beginning balance $ (615 ) $ 26 $ 4 $ (585 ) Other comprehensive income (loss) before reclassifications (173 ) — 24 (149 ) Reclassifications from accumulated other comprehensive loss to net income 4 — (8 ) (4 ) Other comprehensive income (loss) (169 ) — 16 (153 ) Reclassifications to retained earnings resulting from the adoption of ASU 2016-01 — (26 ) — (26 ) Ending balance $ (784 ) $ — $ 20 $ (764 ) (a) Effective January 1, 2018 , unrealized gains and losses on equity investments with readily determinable fair values are recorded in other expense, net. (See Note 3.)

Revenues (Tables)

Revenues (Tables)	9 Months Ended
	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Schedule of Disaggregation of Revenue	The following table presents the Company’s revenues disaggregated by revenue source (in millions). Management uses these categories of revenue to evaluate the performance of its businesses and to assess its financial results and forecasts. Three Months Ended September 30, 2019 2018 U.S. Networks International Networks Corporate and Other Total U.S. Networks International Networks Corporate and Other Total Revenues: Advertising $ 1,019 $ 394 $ — $ 1,413 $ 991 $ 374 $ — $ 1,365 Distribution 681 520 — 1,201 644 508 — 1,152 Other 25 36 3 64 39 34 2 75 Total $ 1,725 $ 950 $ 3 $ 2,678 $ 1,674 $ 916 $ 2 $ 2,592 Nine Months Ended September 30, 2019 2018 U.S. Networks International Networks Corporate and Other Total U.S. Networks International Networks Corporate and Other Total Revenues: Advertising $ 3,194 $ 1,253 $ — $ 4,447 $ 2,708 $ 1,232 $ — $ 3,940 Distribution 2,066 1,565 — 3,631 1,812 1,577 — 3,389 Other 80 104 8 192 108 256 51 415 Total $ 5,340 $ 2,922 $ 8 $ 8,270 $ 4,628 $ 3,065 $ 51 $ 7,744
Schedule of Contract Balances	The following table presents (in millions) the Company’s opening and closing balances of receivables and deferred revenues, as well as activity since the beginning of the period. December 31, 2018 Additions (a) Reductions Foreign Currency September 30, 2019 Accounts receivable $ 2,620 8,492 (8,419 ) 2 $ 2,695 Deferred revenues: Current $ 249 1,006 (870 ) (1 ) $ 384 Long-term (b) $ 120 67 (13 ) (3 ) $ 171 December 31, 2017 Additions (c) Reductions (d) Foreign Currency September 30, 2018 Accounts receivable $ 1,838 8,655 (7,906 ) (9 ) $ 2,578 Deferred revenues: Current $ 255 1,004 (946 ) (9 ) $ 304 Long-term (b) $ 109 37 (47 ) — $ 99 (a) This column includes accounts receivable and deferred revenues balances of $10 million and $22 million , respectively, for acquisitions completed during the nine months ended September 30, 2019 . (b) Long term deferred revenues is a component of other noncurrent liabilities on the consolidated balance sheets. (c) This column includes Scripps Networks accounts receivable and deferred revenues balances of $783 million and $116 million , respectively, as of March 6, 2018 , the date of the acquisition. (See Note 2.) (d) This column includes the impact of the sale of the Education Business on April 30, 2018. (See Note 2.) As of the sale date, accounts receivable and deferred revenue balances were $32 million and $74 million , respectively.

Share-based Compensation (Table

Share-based Compensation (Tables)	9 Months Ended
	Sep. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Equity-Based Compensation Expense	The table below presents the components of share-based compensation expense (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 PRSUs $ 2 $ 13 $ 25 $ 29 RSUs 12 8 28 21 Stock options 8 8 25 15 SARs (9 ) 14 4 27 Total share-based compensation expense $ 13 $ 43 $ 82 $ 92 Tax benefit recognized $ 2 $ 10 $ 10 $ 21
Schedule of Liability Classified Equity Awards	The table below presents current and non-current portions of liability-classified share-based compensation awards (in millions). September 30, 2019 December 31, 2018 Current portion of liability-classified awards: PRSUs $ 22 $ 21 SARs 5 2 Non-current portion of liability-classified awards: PRSUs 21 22 SARs 8 9 RSUs 2 — Total liability-classified share-based compensation award liability $ 58 $ 54
Schedule of Other Share-based Compensation, Activity	The table below presents award activity (in millions, except weighted-average grant price) for PRSUs, RSUs and SARs. Nine Months Ended September 30, 2019 Awards Weighted-Average Grant Price Awards granted: PRSUs 0.5 $ 28.62 RSUs 3.1 $ 29.03 Awards converted or settled: PRSUs 1.1 $ 33.31 RSUs 0.8 $ 28.19 SARs 0.9 $ 22.39
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award	The table below presents stock option activity (in millions, except weighted-average exercise price). Stock Options Weighted-Average Outstanding as of December 31, 2018 21.1 $ 28.86 Granted 2.1 $ 31.01 Exercised (0.6 ) $ 24.32 Forfeited/cancelled (0.8 ) $ 29.50 Outstanding as of September 30, 2019 21.8
Schedule of Unrecognized Compensation Cost, Nonvested Awards	The table below presents unrecognized compensation cost related to non-vested share-based awards and the weighted-average amortization period over which these expenses will be recognized as of September 30, 2019 (in millions, except years). Unrecognized Compensation Cost Weighted-Average Amortization Period (years) RSUs $ 197 3.55 PRSUs 9 0.84 Stock options 97 3.36 SARs 7 0.96 Total unrecognized compensation cost $ 310

Income Taxes (Tables)

Income Taxes (Tables)	9 Months Ended
	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Schedule of Effective Income Tax Rate Reconciliation	The following table reconciles the U.S. federal statutory income tax rate to the Company's effective income tax rate. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. federal statutory income tax provision $ 93 21 % $ 37 21 % $ 363 21 % $ 111 21 % State and local income taxes, net of federal tax benefit 16 3 % 10 5 % 53 3 % 15 3 % Effect of foreign operations 23 5 % (5 ) (3 )% 58 3 % 10 2 % Change in uncertain tax positions (4 ) (1 )% 3 2 % 6 — % 29 5 % Legal entity restructuring, deferred tax impact (2 ) — % — — % (457 ) (26 )% — — % Renewable energy investments tax credits (See Note 3) (1 ) — % (1 ) — % (1 ) — % (3 ) (1 )% Impairment of goodwill 26 6 % — — % 26 2 % — — % Noncontrolling interest adjustment (10 ) (2 )% (3 ) (2 )% (38 ) (2 )% (7 ) (1 )% U.S. legislative changes — — % 1 — % — — % (18 ) (3 )% Transaction costs — — % 2 1 % — — % 9 2 % Other, net 6 1 % (1 ) — % 19 1 % — — % Income tax expense $ 147 33 % $ 43 24 % $ 29 2 % $ 146 28 %

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2019
Earnings Per Share [Abstract]
Schedule of Income Available to Discovery Stockholders	The table below sets forth the Company's calculated earnings per share. Earnings per share amounts may not recalculate due to rounding. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Numerator: Net income $ 297 $ 135 $ 1,702 $ 382 Less: Allocation of undistributed income to Series A-1 convertible preferred stock (25 ) (12 ) (157 ) (34 ) Net income attributable to noncontrolling interests (29 ) (13 ) (94 ) (41 ) Net income attributable to redeemable noncontrolling interests (6 ) (5 ) (15 ) (16 ) Redeemable noncontrolling interest adjustments to redemption value (12 ) — (16 ) (6 ) Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share $ 225 $ 105 $ 1,420 $ 285 Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share: Series A, B and C common stockholders $ 188 $ 86 $ 1,173 $ 231 Series C-1 convertible preferred stockholders 37 19 247 54 Total 225 105 1,420 285 Add: Allocation of undistributed income to Series A-1 convertible preferred stockholders 25 12 157 34 Net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share $ 250 $ 117 $ 1,577 $ 319 Denominator — weighted average: Series A, B and C common shares outstanding — basic 535 523 529 490 Impact of assumed preferred stock conversion 175 187 182 187 Dilutive effect of share-based awards 3 3 3 2 Series A, B and C common shares outstanding — diluted 713 713 714 679 Series C-1 convertible preferred stock outstanding — basic and diluted 5 6 6 6 Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.22 $ 0.47 Series C-1 convertible preferred stockholders $ 6.82 $ 3.19 $ 42.94 $ 9.13 Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.21 $ 0.47 Series C-1 convertible preferred stockholders $ 6.80 $ 3.18 $ 42.77 $ 9.10
Schedule of Weighted Average Basic And Diluted Shares Outstanding	The table below sets forth the Company's calculated earnings per share. Earnings per share amounts may not recalculate due to rounding. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Numerator: Net income $ 297 $ 135 $ 1,702 $ 382 Less: Allocation of undistributed income to Series A-1 convertible preferred stock (25 ) (12 ) (157 ) (34 ) Net income attributable to noncontrolling interests (29 ) (13 ) (94 ) (41 ) Net income attributable to redeemable noncontrolling interests (6 ) (5 ) (15 ) (16 ) Redeemable noncontrolling interest adjustments to redemption value (12 ) — (16 ) (6 ) Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share $ 225 $ 105 $ 1,420 $ 285 Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share: Series A, B and C common stockholders $ 188 $ 86 $ 1,173 $ 231 Series C-1 convertible preferred stockholders 37 19 247 54 Total 225 105 1,420 285 Add: Allocation of undistributed income to Series A-1 convertible preferred stockholders 25 12 157 34 Net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share $ 250 $ 117 $ 1,577 $ 319 Denominator — weighted average: Series A, B and C common shares outstanding — basic 535 523 529 490 Impact of assumed preferred stock conversion 175 187 182 187 Dilutive effect of share-based awards 3 3 3 2 Series A, B and C common shares outstanding — diluted 713 713 714 679 Series C-1 convertible preferred stock outstanding — basic and diluted 5 6 6 6 Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.22 $ 0.47 Series C-1 convertible preferred stockholders $ 6.82 $ 3.19 $ 42.94 $ 9.13 Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.21 $ 0.47 Series C-1 convertible preferred stockholders $ 6.80 $ 3.18 $ 42.77 $ 9.10
Schedule of Basic and Diluted Earnings per Share	The table below sets forth the Company's calculated earnings per share. Earnings per share amounts may not recalculate due to rounding. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Numerator: Net income $ 297 $ 135 $ 1,702 $ 382 Less: Allocation of undistributed income to Series A-1 convertible preferred stock (25 ) (12 ) (157 ) (34 ) Net income attributable to noncontrolling interests (29 ) (13 ) (94 ) (41 ) Net income attributable to redeemable noncontrolling interests (6 ) (5 ) (15 ) (16 ) Redeemable noncontrolling interest adjustments to redemption value (12 ) — (16 ) (6 ) Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share $ 225 $ 105 $ 1,420 $ 285 Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share: Series A, B and C common stockholders $ 188 $ 86 $ 1,173 $ 231 Series C-1 convertible preferred stockholders 37 19 247 54 Total 225 105 1,420 285 Add: Allocation of undistributed income to Series A-1 convertible preferred stockholders 25 12 157 34 Net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share $ 250 $ 117 $ 1,577 $ 319 Denominator — weighted average: Series A, B and C common shares outstanding — basic 535 523 529 490 Impact of assumed preferred stock conversion 175 187 182 187 Dilutive effect of share-based awards 3 3 3 2 Series A, B and C common shares outstanding — diluted 713 713 714 679 Series C-1 convertible preferred stock outstanding — basic and diluted 5 6 6 6 Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.22 $ 0.47 Series C-1 convertible preferred stockholders $ 6.82 $ 3.19 $ 42.94 $ 9.13 Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders: Series A, B and C common stockholders $ 0.35 $ 0.16 $ 2.21 $ 0.47 Series C-1 convertible preferred stockholders $ 6.80 $ 3.18 $ 42.77 $ 9.10
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share	The table below presents the details of share-based awards that were excluded from the calculation of diluted earnings per share (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Anti-dilutive share-based awards 18 16 18 13 PRSUs whose performance targets have not been achieved 2 2 2 2

Supplemental Disclosures (Table

Supplemental Disclosures (Tables)	9 Months Ended
	Sep. 30, 2019
Disclosure Text Block Supplement [Abstract]
Schedule of Other Expense, Net	Other Expense, net Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Foreign currency income (losses), net $ 27 $ (8 ) $ 20 $ (59 ) (Losses) gains on derivative instruments, net (22 ) 1 (45 ) 11 Change in the value of common stock investments with readily determinable fair value (15 ) (1 ) (32 ) (44 ) Gain on sale of equity method investments — — 10 — Remeasurement gain on previously held equity interest — — 14 — Interest income 9 — 18 15 Other (expense) income, net — (7 ) 5 (7 ) Total other expense, net $ (1 ) $ (15 ) $ (10 ) $ (84 )
Schedule of Supplemental Cash Flow Information	Supplemental Cash Flow Information Nine Months Ended September 30, 2019 2018 Cash paid for taxes, net $ 499 $ 290 Cash paid for interest, net $ 541 $ 576 Non-cash investing and financing activities: Equity issued for the acquisition of Scripps Networks $ — $ 3,218 Disposal of UKTV investment and acquisition of Lifestyle Business $ 291 $ — Accrued purchases of property and equipment $ 41 $ 36 Assets acquired under finance lease arrangements $ 13 $ 51

Related Party Transactions (Tab

Related Party Transactions (Tables)	9 Months Ended
	Sep. 30, 2019
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, Revenues and Expenses	The table below presents a summary of the transactions with related parties (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Revenues and service charges: Liberty Group $ 154 $ 165 $ 505 $ 472 Equity method investees 61 101 203 189 Other 15 13 42 50 Total revenues and service charges $ 230 $ 279 $ 750 $ 711 Interest income $ — $ 2 $ 1 $ 4 Expenses $ (44 ) $ (87 ) $ (304 ) $ (269 )
Schedule of Related Party Transactions Receivables	The table below presents receivables due from related parties (in millions). September 30, 2019 December 31, 2018 Receivables $ 139 $ 167 Note receivable (a) $ — $ 94 (a) Amount relates to a note receivable with UKTV, an equity method investee acquired in conjunction with the acquisition of Scripps Networks. On June 11, 2019, the Company and BBC dissolved their 50/50 joint venture in UKTV. (See Note 2.)

Reportable Segments (Tables)

Reportable Segments (Tables)	9 Months Ended
	Sep. 30, 2019
Segment Reporting [Abstract]
Schedule of Revenues by Segment	Revenues Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 1,725 $ 1,674 $ 5,340 $ 4,628 International Networks 950 916 2,922 3,065 Other 3 3 8 52 Corporate and inter-segment eliminations — (1 ) — (1 ) Total revenues $ 2,678 $ 2,592 $ 8,270 $ 7,744
Schedule of Adjusted OIBDA by Segment	Adjusted OIBDA Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 1,005 $ 901 $ 3,192 $ 2,536 International Networks 237 254 742 727 Other 1 — 3 3 Corporate and inter-segment eliminations (117 ) (95 ) (371 ) (275 ) Total Adjusted OIBDA $ 1,126 $ 1,060 $ 3,566 $ 2,991
Schedule of Reconciliation of Net Income available to Discovery, Inc. to total Adjusted OIBDA	Reconciliation of Net Income available to Discovery, Inc. to Total Adjusted OIBDA Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Net income available to Discovery, Inc. $ 262 $ 117 $ 1,593 $ 325 Net income attributable to redeemable noncontrolling interests 6 5 15 16 Net income attributable to noncontrolling interests 29 13 94 41 Income tax expense 147 43 29 146 Income before income taxes 444 178 1,731 528 Other expense, net 1 15 10 84 Loss (income) from equity investees, net 11 (9 ) 20 53 Loss on extinguishment of debt — — 28 — Interest expense, net 163 185 515 558 Operating income 619 369 2,304 1,223 Gain on disposition — — — (84 ) Restructuring and other charges 8 224 20 652 Impairment of goodwill 155 — 155 — Depreciation and amortization 322 398 1,014 1,001 Employee share-based compensation 11 43 80 92 Transaction and integration costs 11 26 22 107 Settlement of a withholding tax claim — — (29 ) — Total Adjusted OIBDA $ 1,126 $ 1,060 $ 3,566 $ 2,991
Schedule of Total Assets by Segment	Total Assets September 30, 2019 December 31, 2018 U.S. Networks $ 18,420 $ 18,683 International Networks 7,534 7,208 Other 173 227 Corporate and inter-segment eliminations 6,698 6,432 Total assets $ 32,825 $ 32,550

Restructuring and Other Charg_2

Restructuring and Other Charges (Tables)	9 Months Ended
	Sep. 30, 2019
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs by Reportable Segment	Restructuring and other charges by reportable segments, other, and corporate and inter-segment eliminations were as follows (in millions). Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 U.S. Networks $ 4 $ 206 $ 11 $ 259 International Networks 5 16 15 262 Other — — — 1 Corporate and inter-segment eliminations (1 ) 2 (6 ) 130 Total restructuring and other charges $ 8 $ 224 $ 20 $ 652
Schedule of Restructuring and Related Costs	Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Restructuring charges $ 8 $ 63 $ 20 $ 314 Other charges — 161 — 338 Total restructuring and other charges $ 8 $ 224 $ 20 $ 652
Schedule of Restructuring and Related Costs Changes in Exit Liabilities	Changes in restructuring and other liabilities recorded in accrued liabilities by major category were as follows (in millions). U.S. Networks International Networks Corporate and inter-segment eliminations (a) Total December 31, 2018 $ 16 $ 46 $ 46 $ 108 Net contract termination accruals — — (6 ) (6 ) Net employee relocation/termination accruals 11 15 (6 ) 20 Cash paid (19 ) (35 ) (20 ) (74 ) September 30, 2019 $ 8 $ 26 $ 14 $ 48 (a) $1 million and $5 million of net contract termination accruals related to lease exits were reclassified from accrued liabilities and other noncurrent liabilities, respectively, to right-of-use assets on the balance sheet upon adoption of ASU 2016-02 on January 1, 2019 .

Condensed Consolidating Finan_2

Condensed Consolidating Financial Statements (Tables)	9 Months Ended
	Sep. 30, 2019
Condensed Financial Information Disclosure [Abstract]
Condensed Consolidating Balance Sheet	Condensed Consolidating Balance Sheet September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and ASSETS Current assets: Cash and cash equivalents $ — $ 30 $ — $ 380 $ 209 $ 194 $ — $ 813 Receivables, net — — — 478 1,398 819 — 2,695 Content rights, net — — — 2 378 62 — 442 Prepaid expenses and other current assets — 2 19 69 163 124 (14 ) 363 Inter-company trade receivables, net — 32 — — — 262 (294 ) — Total current assets — 64 19 929 2,148 1,461 (308 ) 4,313 Investment in and advances to subsidiaries 9,520 13,352 — 6,764 — — (29,636 ) — Noncurrent content rights, net — — — 667 1,463 965 — 3,095 Goodwill, net — — — 3,677 3,153 6,147 — 12,977 Intangible assets, net — — — 234 1,140 7,506 — 8,880 Equity method investments — — — 17 273 239 — 529 Other noncurrent assets, including property and equipment, net — 53 20 1,071 1,361 546 (20 ) 3,031 Total assets $ 9,520 $ 13,469 $ 39 $ 13,359 $ 9,538 $ 16,864 $ (29,964 ) $ 32,825 LIABILITIES AND EQUITY Current liabilities: Current portion of debt $ — $ 58 $ — $ 541 $ 12 $ — $ — $ 611 Other current liabilities — 19 — 406 1,289 526 (14 ) 2,226 Inter-company trade payables, net — — — 69 193 32 (294 ) — Total current liabilities — 77 — 1,016 1,494 558 (308 ) 2,837 Noncurrent portion of debt — 77 — 14,677 3 — — 14,757 Negative carrying amount in subsidiaries, net — — 3,420 — — 2,256 (5,676 ) — Other noncurrent liabilities 2 58 2 1,086 831 1,693 (20 ) 3,652 Total liabilities 2 212 3,422 16,779 2,328 4,507 (6,004 ) 21,246 Redeemable noncontrolling interests — — — — 446 — — 446 Total Discovery, Inc. stockholders' equity 9,518 13,257 (3,383 ) (3,420 ) 6,764 12,357 (25,575 ) 9,518 Noncontrolling interests — — — — — — 1,615 1,615 Total equity 9,518 13,257 (3,383 ) (3,420 ) 6,764 12,357 (23,960 ) 11,133 Total liabilities and equity $ 9,520 $ 13,469 $ 39 $ 13,359 $ 9,538 $ 16,864 $ (29,964 ) $ 32,825 Condensed Consolidating Balance Sheet December 31, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and ASSETS Current assets: Cash and cash equivalents $ — $ 315 $ — $ 61 $ 475 $ 135 $ — $ 986 Receivables, net — — — 405 1,305 910 — 2,620 Content rights, net — — — 1 250 62 — 313 Prepaid expenses and other current assets 21 18 22 49 134 68 — 312 Inter-company trade receivables, net — — — 151 — — (151 ) — Total current assets 21 333 22 667 2,164 1,175 (151 ) 4,231 Investment in and advances to subsidiaries 8,367 13,248 — 6,290 — — (27,905 ) — Noncurrent content rights, net — — — 607 1,501 961 — 3,069 Goodwill, net — — — 3,678 3,298 6,030 — 13,006 Intangible assets, net — — — 246 1,261 8,167 — 9,674 Equity method investments, including note receivable — 94 — 23 291 527 — 935 Other noncurrent assets, including property and equipment, net — 35 20 537 607 456 (20 ) 1,635 Total assets $ 8,388 $ 13,710 $ 42 $ 12,048 $ 9,122 $ 17,316 $ (28,076 ) $ 32,550 LIABILITIES AND EQUITY Current liabilities: Current portion of debt $ — $ 106 $ — $ 1,701 $ 12 $ — $ — $ 1,819 Other current liabilities — 30 — 402 1,266 480 — 2,178 Inter-company trade payables, net — — — — 151 — (151 ) — Total current liabilities — 136 — 2,103 1,429 480 (151 ) 3,997 Noncurrent portion of debt — 134 — 14,606 234 — — 14,974 Negative carrying amount in subsidiaries, net — — 5,183 — — 3,427 (8,610 ) — Other noncurrent liabilities 2 56 — 522 754 1,748 (20 ) 3,062 Total liabilities 2 326 5,183 17,231 2,417 5,655 (8,781 ) 22,033 Redeemable noncontrolling interests — — — — 415 — — 415 Total Discovery, Inc. stockholders’ equity 8,386 13,384 (5,141 ) (5,183 ) 6,290 11,661 (21,011 ) 8,386 Noncontrolling interests — — — — — — 1,716 1,716 Total equity 8,386 13,384 (5,141 ) (5,183 ) 6,290 11,661 (19,295 ) 10,102 Total liabilities and equity $ 8,388 $ 13,710 $ 42 $ 12,048 $ 9,122 $ 17,316 $ (28,076 ) $ 32,550
Condensed Consolidating Statement of Operations	Condensed Consolidating Statement of Operations Three Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 520 $ 1,295 $ 872 $ (9 ) $ 2,678 Costs of revenues, excluding depreciation and amortization — — — 105 565 249 (5 ) 914 Selling, general and administrative 6 (1 ) — 113 411 136 (5 ) 660 Depreciation and amortization — — — 13 75 234 — 322 Impairment of goodwill — — — — 155 — — 155 Restructuring and other charges — — — 6 5 (3 ) — 8 Total costs and expenses 6 (1 ) — 237 1,211 616 (10 ) 2,059 Operating (loss) income (6 ) 1 — 283 84 256 1 619 Equity in earnings of subsidiaries 267 230 96 5 — 63 (661 ) — Interest (expense), net — (4 ) — (165 ) 7 (1 ) — (163 ) (Loss) income from equity investees, net — — — — (17 ) 6 — (11 ) Other (expense) income, net — (8 ) — 8 (5 ) 4 — (1 ) Income before income taxes 261 219 96 131 69 328 (660 ) 444 Income tax benefit (expense) 1 3 — (35 ) (58 ) (58 ) — (147 ) Net income 262 222 96 96 11 270 (660 ) 297 Net income attributable to noncontrolling interests — — — — — — (29 ) (29 ) Net income attributable to redeemable noncontrolling interests — — — — — — (6 ) (6 ) Net income available to Discovery, Inc. $ 262 $ 222 $ 96 $ 96 $ 11 $ 270 $ (695 ) $ 262 Condensed Consolidating Statement of Operations Three Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 487 $ 1,267 $ 853 $ (15 ) $ 2,592 Costs of revenues, excluding depreciation and amortization — — — 118 542 284 (10 ) 934 Selling, general and administrative 5 — — 119 386 162 (5 ) 667 Depreciation and amortization — 1 — 13 87 297 — 398 Restructuring and other charges (1 ) — — 56 87 80 2 224 Total costs and expenses 4 1 — 306 1,102 823 (13 ) 2,223 Operating (loss) income (4 ) (1 ) — 181 165 30 (2 ) 369 Equity in earnings (loss) of subsidiaries 121 12 102 127 — 68 (430 ) — Interest expense, net — (2 ) — (180 ) (4 ) 1 — (185 ) Income from equity investees, net — — — 2 1 6 — 9 Other income (expense), net — 8 — (14 ) (8 ) (2 ) 1 (15 ) Income before income taxes 117 17 102 116 154 103 (431 ) 178 Income tax expense — — — (14 ) (22 ) (7 ) — (43 ) Net income 117 17 102 102 132 96 (431 ) 135 Net income attributable to noncontrolling interests — — — — — — (13 ) (13 ) Net income attributable to redeemable noncontrolling interests — — — — — — (5 ) (5 ) Net income available to Discovery, Inc. $ 117 $ 17 $ 102 $ 102 $ 132 $ 96 $ (449 ) $ 117 Condensed Consolidating Statement of Operations Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 1,567 $ 3,953 $ 2,773 $ (23 ) $ 8,270 Costs of revenues, excluding depreciation and amortization — — — 310 1,726 759 (13 ) 2,782 Selling, general and administrative 18 — — 276 1,294 417 (10 ) 1,995 Depreciation and amortization — — — 36 236 742 — 1,014 Impairment of goodwill — — — — 155 — — 155 Restructuring and other charges — — — 6 17 (3 ) — 20 Total costs and expenses 18 — — 628 3,428 1,915 (23 ) 5,966 Operating (loss) income (18 ) — — 939 525 858 — 2,304 Equity in earnings (loss) of subsidiaries 1,607 645 1,001 719 — 667 (4,639 ) — Interest expense, net — (4 ) — (515 ) 5 (1 ) — (515 ) Loss on extinguishment of debt — — — (28 ) — — — (28 ) Loss (income) from equity investees, net — — — (2 ) (45 ) 27 — (20 ) Other income (expense), net — — — 1 (19 ) 8 — (10 ) Income before income taxes 1,589 641 1,001 1,114 466 1,559 (4,639 ) 1,731 Income tax benefit (expense) 4 1 — (113 ) 268 (189 ) — (29 ) Net income 1,593 642 1,001 1,001 734 1,370 (4,639 ) 1,702 Net income attributable to noncontrolling interests — — — — — — (94 ) (94 ) Net income attributable to redeemable noncontrolling interests — — — — — — (15 ) (15 ) Net income available to Discovery, Inc. $ 1,593 $ 642 $ 1,001 $ 1,001 $ 734 $ 1,370 $ (4,748 ) $ 1,593 Condensed Consolidating Statement of Operations Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Revenues $ — $ — $ — $ 1,481 $ 4,201 $ 2,087 $ (25 ) $ 7,744 Costs of revenues, excluding depreciation and amortization — — — 332 2,001 668 (12 ) 2,989 Selling, general and administrative 36 — — 286 1,239 415 (13 ) 1,963 Depreciation and amortization — 1 — 41 280 679 — 1,001 Restructuring and other charges 8 — — 115 322 207 — 652 Gain on disposition — — — — (84 ) — — (84 ) Total costs and expenses 44 1 — 774 3,758 1,969 (25 ) 6,521 Operating (loss) income (44 ) (1 ) — 707 443 118 — 1,223 Equity in earnings (loss) of subsidiaries 360 50 327 189 — 218 (1,144 ) — Interest expense — (6 ) — (525 ) (26 ) (1 ) — (558 ) Income (loss) from equity investees, net — — — 3 (76 ) 20 — (53 ) Other income (expense), net — 10 — 35 (86 ) (43 ) — (84 ) Income before income taxes 316 53 327 409 255 312 (1,144 ) 528 Income tax benefit (expense) 9 — — (82 ) (50 ) (23 ) — (146 ) Net income 325 53 327 327 205 289 (1,144 ) 382 Net income attributable to noncontrolling interests — — — — — — (41 ) (41 ) Net income attributable to redeemable noncontrolling interests — — — — — — (16 ) (16 ) Net income available to Discovery, Inc. $ 325 $ 53 $ 327 $ 327 $ 205 $ 289 $ (1,201 ) $ 325
Condensed Consolidating Statement of Comprehensive Income (Loss)	Condensed Consolidating Statement of Comprehensive Income (Loss) Three Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 262 $ 222 $ 96 $ 96 $ 11 $ 270 $ (660 ) $ 297 Other comprehensive (loss) income adjustments, net of tax: Currency translation (146 ) (101 ) (45 ) (45 ) (61 ) (131 ) 383 (146 ) Derivatives 30 — 30 30 30 20 (110 ) 30 Comprehensive income (loss) 146 121 81 81 (20 ) 159 (387 ) 181 Comprehensive income attributable to noncontrolling interests — — — — — — (29 ) (29 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — — — — — (6 ) (5 ) Comprehensive income (loss) attributable to Discovery, Inc. $ 147 $ 121 $ 81 $ 81 $ (20 ) $ 159 $ (422 ) $ 147 Condensed Consolidating Statement of Comprehensive Income Three Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 117 $ 17 $ 102 $ 102 $ 132 $ 96 $ (431 ) $ 135 Other comprehensive income (loss) adjustments, net of tax: Currency translation 34 23 11 11 13 30 (88 ) 34 Derivatives (8 ) — (8 ) (8 ) (8 ) (5 ) 29 (8 ) Comprehensive income 143 40 105 105 137 121 (490 ) 161 Comprehensive income attributable to noncontrolling interests — — — — — — (13 ) (13 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — 1 1 1 1 (9 ) (4 ) Comprehensive income attributable to Discovery, Inc. $ 144 $ 40 $ 106 $ 106 $ 138 $ 122 $ (512 ) $ 144 Condensed Consolidating Statement of Comprehensive Income Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 1,593 $ 642 $ 1,001 $ 1,001 $ 734 $ 1,370 $ (4,639 ) $ 1,702 Other comprehensive income (loss) adjustments, net of tax: Currency translation (205 ) (104 ) (101 ) (101 ) (116 ) (171 ) 593 (205 ) Derivatives (9 ) — (9 ) (9 ) (9 ) (6 ) 33 (9 ) Comprehensive income 1,379 538 891 891 609 1,193 (4,013 ) 1,488 Comprehensive income attributable to noncontrolling interests — — — — — — (94 ) (94 ) Comprehensive income attributable to redeemable noncontrolling interests — — — — — — (15 ) (15 ) Comprehensive income attributable to Discovery, Inc. $ 1,379 $ 538 $ 891 $ 891 $ 609 $ 1,193 $ (4,122 ) $ 1,379 Condensed Consolidating Statement of Comprehensive Income (Loss) Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Net income $ 325 $ 53 $ 327 $ 327 $ 205 $ 289 $ (1,144 ) $ 382 Other comprehensive income (loss) adjustments, net of tax: Currency translation (169 ) (154 ) (15 ) (15 ) (28 ) (164 ) 376 (169 ) Derivatives 16 — 16 16 16 11 (59 ) 16 Comprehensive income (loss) 172 (101 ) 328 328 193 136 (827 ) 229 Comprehensive income attributable to noncontrolling interests — — — — — — (41 ) (41 ) Comprehensive income attributable to redeemable noncontrolling interests 1 — 1 1 1 1 (20 ) (15 ) Comprehensive income (loss) attributable to Discovery, Inc. $ 173 $ (101 ) $ 329 $ 329 $ 194 $ 137 $ (888 ) $ 173
Condensed Consolidating Statement of Cash Flows	Condensed Consolidating Statement of Cash Flows Nine Months Ended September 30, 2019 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Operating Activities Cash provided by (used in) operating activities $ 5 $ (13 ) $ 4 $ 99 $ 882 $ 1,190 $ — $ 2,167 Investing Activities Business acquisitions, net of cash acquired — — — — (60 ) — — (60 ) Investments in and advances to equity investments — — — (81 ) (111 ) (23 ) — (215 ) Proceeds from dissolution of joint venture — 60 — — 2 55 — 117 Purchases of property and equipment — — — (10 ) (140 ) (39 ) — (189 ) Proceeds from derivative instruments, net — — — — 52 — — 52 Inter-company distributions and other investing activities, net — — — 75 — 4 (75 ) 4 Cash provided by (used in) investing activities — 60 — (16 ) (257 ) (3 ) (75 ) (291 ) Financing Activities Principal repayments of revolving credit facility — — — — (225 ) — — (225 ) Borrowings from debt, net of discount and issuance costs — — — 1,479 — — — 1,479 Principal repayments of debt, including discount payment — (107 ) — (2,545 ) — — — (2,652 ) Principal repayments of finance lease obligations — — — (7 ) (26 ) (2 ) — (35 ) Repurchases of stock (300 ) — — — — — — (300 ) Distributions to noncontrolling interests and redeemable noncontrolling interests — — — — (32 ) (195 ) — (227 ) Share-based plan (payments) proceeds, net (9 ) — — — — — — (9 ) Repayments under program financing line of credit, net — — — — (8 ) — — (8 ) Payments for hedging instruments — — — — (18 ) — — (18 ) Inter-company contributions (distributions) and other financing activities, net 304 (225 ) (4 ) 1,309 (524 ) (932 ) 75 3 Cash used in (provided by) financing activities (5 ) (332 ) (4 ) 236 (833 ) (1,129 ) 75 (1,992 ) Effect of exchange rate changes on cash and cash equivalents — — — — (58 ) 1 — (57 ) Net change in cash and cash equivalents — (285 ) — 319 (266 ) 59 — (173 ) Cash and cash equivalents, beginning of period — 315 — 61 475 135 — 986 Cash and cash equivalents, end of period $ — $ 30 $ — $ 380 $ 209 $ 194 $ — $ 813 Condensed Consolidating Statement of Cash Flows Nine Months Ended September 30, 2018 (in millions) Discovery Scripps Networks DCH DCL Non-Guarantor Other Non- Reclassifications Discovery and Operating Activities Cash (used in) provided by operating activities $ (68 ) $ (39 ) $ 1 $ (20 ) $ 1,005 $ 768 $ — $ 1,647 Investing Activities Business acquisitions, net of cash acquired (8,714 ) 54 — — — 95 — (8,565 ) (Payments for) proceeds from investments — — — (10 ) (54 ) 8 — (56 ) Proceeds from dispositions, net of cash disposed — — — — 107 — — 107 Proceeds from sale of assets — — — — 68 — — 68 Purchases of property and equipment — — — (16 ) (68 ) (22 ) — (106 ) Payments for derivative instruments, net — — — — (3 ) — — (3 ) Other investing activities, net — 8 — 8 4 (6 ) (8 ) 6 Cash (used in) provided by investing activities (8,714 ) 62 — (18 ) 54 75 (8 ) (8,549 ) Financing Activities Commercial paper borrowings — — — 293 — — — 293 Principal repayments of revolving credit facility — — — — (100 ) — — (100 ) Borrowings under term loan agreements — — — 2,000 — — — 2,000 Principal (repayments) borrowings of term loans — — — (2,000 ) — — — (2,000 ) Principal repayments of capital lease obligations — — — (6 ) (22 ) (9 ) — (37 ) Distributions to redeemable noncontrolling interests — — — — (22 ) (37 ) — (59 ) Share-based plan proceeds, net 44 — — — — — — 44 Borrowing under program financing line of credit — — — 23 — — — 23 Other financing activities, net 8,738 20 (1 ) (7,032 ) (1,059 ) (690 ) 8 (16 ) Cash provided by (used in) financing activities 8,782 20 (1 ) (6,722 ) (1,203 ) (736 ) 8 148 Effect of exchange rate changes on cash and cash equivalents — — — — (18 ) (6 ) — (24 ) Net change in cash and cash equivalents — 43 — (6,760 ) (162 ) 101 — (6,778 ) Cash and cash equivalents, beginning of period — — — 6,800 509 — — 7,309 Cash and cash equivalents, end of period $ — $ 43 $ — $ 40 $ 347 $ 101 $ — $ 531

Description of Business and B_3

Description of Business and Basis of Presentation (Accounting and Reporting Pronouncements Adopted) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Apr. 01, 2019	Jan. 01, 2019	Dec. 31, 2018	Jul. 01, 2018	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 360
Operating lease, liability	$ 698
Cumulative effect of accounting changes		$ 5	$ 0			$ 7
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets			342
Operating lease, liability			372
Prepaid rent and deferred rent receivables, net			30
Reclassification of capital lease obligations			(252)	$ 252
Accounting Standards Update 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of accounting changes			(30)
Accumulated Other Comprehensive Loss
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of accounting changes		0	(30)			(26)
Accumulated Other Comprehensive Loss | Accounting Standards Update 2017-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of accounting changes					$ (87)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of accounting changes		$ 5	30			$ 33
Retained Earnings | Accounting Standards Update 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of accounting changes			$ (30)

Description of Business and B_4

Description of Business and Basis of Presentation (Concentrations Risk) (Details) - Customer Concentration Risk - Largest 10 Distributors - Distribution	9 Months Ended
	Sep. 30, 2019
U.S. Networks
Concentration Risk [Line Items]
Concentration risk, percentage	96.00%
International Networks
Concentration Risk [Line Items]
Concentration risk, percentage	37.00%

Acquisitions (Lifestyle Busines

Acquisitions (Lifestyle Business - Narrative) (Details) $ in Millions	Jun. 11, 2019USD ($)installment	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Jun. 10, 2019USD ($)	Dec. 31, 2018USD ($)
Business Acquisition [Line Items]
Note receivable		$ 0		$ 0			$ 94
Equity method investment, difference between carrying amount and underlying equity		$ 0	$ 0	$ 10	$ 0
Lifestyle Business
Business Acquisition [Line Items]
Note receivable	$ 130
UKTV | Corporate Joint Venture
Business Acquisition [Line Items]
Note receivable						$ 118
BBC Studios | Lifestyle Business
Business Acquisition [Line Items]
Equity method investment, ownership percentage						50.00%
Equity method investment, difference between carrying amount and underlying equity	5
BBC Studios | Corporate Joint Venture
Business Acquisition [Line Items]
Note receivable	130
Proceeds from divestiture of interest in affiliates	$ 88
Notes receivable, number of installments | installment	2
Electronic Program Guide And Trademarks | Lifestyle Business
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	6 years

Acquisitions (LIfestyle Busin_2

Acquisitions (LIfestyle Business) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Jun. 11, 2019	Jun. 10, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill	$ 12,977			$ 13,006
Note receivable from BBC	$ 0			$ 94
Lifestyle Business
Business Acquisition [Line Items]
Cash		$ 17
Content rights		18
Intangible assets		34
Goodwill		121
Accrued liabilities		(12)
Total assets acquired and liabilities assumed in Lifestyle Business		178
Note receivable from BBC		130
Cash received		88
Net assets received in dissolution of UKTV joint venture		396
Corporate Joint Venture | BBC Studios
Business Acquisition [Line Items]
Note receivable from BBC		130
Corporate Joint Venture | UKTV
Business Acquisition [Line Items]
Note receivable from BBC			$ 118
Carrying value of UKTV equity method investment		278
Settlement of note receivable		118
Total assets derecognized in dissolution of UKTV joint venture		$ 396
Licensing Agreements | Corporate Joint Venture | BBC Studios
Business Acquisition [Line Items]
Licensing agreement term	10 years

Acquisitions (Scripps Networks

Acquisitions (Scripps Networks Interactive, Inc. ("Scripps Networks")) (Details) - USD ($) $ / shares in Units, $ in Millions	Mar. 06, 2018	Sep. 30, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill, net		$ 12,977	$ 13,006
U.S. Networks
Business Acquisition [Line Items]
Goodwill, net		10,813	10,785
International Networks
Business Acquisition [Line Items]
Goodwill, net		$ 2,164	$ 2,221
Scripps Networks
Business Acquisition [Line Items]
Share price portion paid in cash (in dollars per share)	$ 65.82
Equity interest issued or issuable (in shares)	1,000,000
Goodwill, net	$ 6,157
Scripps Networks | U.S. Networks
Business Acquisition [Line Items]
Goodwill, net	5,300
Scripps Networks | International Networks
Business Acquisition [Line Items]
Goodwill, net	$ 817
No Election or Mixed Consideration Election | Scripps Networks
Business Acquisition [Line Items]
Share price portion paid in cash (in dollars per share)	$ 65.82
Equity interest issued or issuable (in shares)	1.0584
Cash Consideration Election | Scripps Networks
Business Acquisition [Line Items]
Share price portion paid in cash (in dollars per share)	$ 90
Stock Consideration Election | Scripps Networks
Business Acquisition [Line Items]
Equity interest issued or issuable (in shares)	3.9392

Acquisitions (Components of the

Acquisitions (Components of the Acquisition of Scripps Networks Consideration) (Details) - Scripps Networks $ / shares in Units, shares in Millions, $ in Millions	Mar. 06, 2018USD ($)$ / sharesRateshares
Business Acquisition [Line Items]
Scripps Networks shares outstanding (in shares) | shares	131
Cash consideration (per Scripps Networks share) (in dollars per share) | $ / shares	$ 65.82
Cash portion of consideration	$ 8,590
Share conversion ratio per Scripps Networks share	1.0584
Equity portion of consideration	$ 3,179
Shares awarded under Scripps Networks share-based compensation programs (in shares) | shares	3
Scripps Networks share-based compensation awards converting to cash (in shares) | shares	2
Average cash consideration (per share less applicable exercise price) (in dollars per share) | $ / shares	$ 46.90
Cash portion of consideration	$ 88
Scripps Networks share-based compensation awards | shares	1
Share-based compensation conversion ratio (based on intrinsic value per award) | Rate	300.00%
Discovery Series C common stock issued (1) or share-based compensation converted (2) (in shares) | shares	3
Average equity value (intrinsic value of Discovery Series C common stock or options to be issued) (in dollars per share) | $ / shares	$ 15.19
Share-based compensation equity value	$ 51
Less: post-combination compensation expense	(12)
Equity portion of consideration	39
Scripps Networks transaction costs paid by Discovery	117
Total consideration paid	$ 12,013
Series C Common Stock
Business Acquisition [Line Items]
Discovery Series C common stock (in shares) | shares	138
Discovery Series C common stock price per share (in dollars per share) | $ / shares	$ 23.01

Acquisitions (Fair Value of Ass

Acquisitions (Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions	Mar. 06, 2018	Sep. 30, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill, net		$ 12,977	$ 13,006
Scripps Networks
Business Acquisition [Line Items]
Accounts receivable	$ 783
Other current assets	412
Content rights	1,074
Property and equipment	315
Goodwill, net	6,157
Intangible assets	9,175
Equity method investments, including note receivable	713
Other noncurrent assets	115
Current liabilities assumed	(599)
Debt assumed	(2,481)
Deferred income taxes	(1,572)
Other noncurrent liabilities	(379)
Noncontrolling interests	(1,700)
Total consideration paid	12,013
Scripps Networks | Preliminary
Business Acquisition [Line Items]
Accounts receivable	783
Other current assets	421
Content rights	1,088
Property and equipment	315
Goodwill, net	6,003
Intangible assets	9,175
Equity method investments, including note receivable	870
Other noncurrent assets	111
Current liabilities assumed	(494)
Debt assumed	(2,481)
Deferred income taxes	(1,695)
Other noncurrent liabilities	(383)
Noncontrolling interests	(1,700)
Total consideration paid	12,013
Scripps Networks | Measurement Period Adjustments
Business Acquisition [Line Items]
Accounts receivable	0
Other current assets	(9)
Content rights	(14)
Property and equipment	0
Goodwill, net	154
Intangible assets	0
Equity method investments, including note receivable	(157)
Other noncurrent assets	4
Current liabilities assumed	(105)
Debt assumed	0
Deferred income taxes	123
Other noncurrent liabilities	4
Noncontrolling interests	0
Total consideration paid	$ 0

Acquisitions (Intangible Assets

Acquisitions (Intangible Assets Acquired) (Details) - Scripps Networks $ in Millions	Mar. 06, 2018USD ($)
Business Acquisition [Line Items]
Fair Value	$ 9,175
Trademarks and trade names
Business Acquisition [Line Items]
Fair Value	$ 1,225
Weighted Average Useful Life in Years	10 years
Advertiser relationships
Business Acquisition [Line Items]
Fair Value	$ 4,995
Weighted Average Useful Life in Years	10 years
Advertising backlog
Business Acquisition [Line Items]
Fair Value	$ 280
Weighted Average Useful Life in Years	1 year
Affiliate relationships
Business Acquisition [Line Items]
Fair Value	$ 2,455
Weighted Average Useful Life in Years	12 years
Broadcast licenses
Business Acquisition [Line Items]
Fair Value	$ 220
Weighted Average Useful Life in Years	6 years

Acquisitions (Other) (Details)

Acquisitions (Other) (Details) - USD ($) $ in Millions	Jul. 19, 2019	May 13, 2019	Jan. 08, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jan. 07, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Remeasurement gain on previously held equity interest				$ 0	$ 0	$ 14	$ 0
Goodwill				$ 12,977		$ 12,977			$ 13,006
Golf Digest
Business Acquisition [Line Items]
Cash consideration transferred		$ 36
Net assets acquired		36
Net working capital liabilities		(12)
Intangible assets		25
Goodwill		$ 23
PSG
Business Acquisition [Line Items]
Cash consideration transferred			$ 41
Step acquisition, equity interest in acquiree, percentage								20.10%
Percentage of voting interests acquired			70.70%
Remeasurement gain on previously held equity interest			$ 8
Net assets acquired			79
Net working capital liabilities			(6)
Cash acquired			19
Intangible assets			29
Redeemable noncontrolling interest			25
Goodwill			$ 37
Trademarks, Trade Names and Licensing Agreements | Golf Digest
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		9 years
Trademarks, Trade Names, Advertiser Relationships, Affiliate Backlogs and Broadcast Licenses | PSG
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life			10 years
Magnolia Discovery Ventures, LLC
Business Acquisition [Line Items]
Ownership percentage by parent	75.00%
Magnolia Discovery Ventures, LLC | Corporate Joint Venture
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners	25.00%
Put at fair value, contractual period	6 years 6 months
Ownership percentage by noncontrolling owners, additional incentive equity	5.00%

Acquisitions (Schedule of Pro F

Acquisitions (Schedule of Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Business Acquisition [Line Items]
Net income available to Discovery, Inc.		$ 510
Scripps Networks
Business Acquisition [Line Items]
Revenues	$ 2,593	$ 8,367
Net income available to Discovery, Inc.	$ 162
Net income per share - basic (in dollars per share)	$ 0.23	$ 0.71
Net income per share - diluted (in dollars per share)	$ 0.23	$ 0.71

Acquisitions (Impact of Busines

Acquisitions (Impact of Business Combinations) (Details) - Scripps Networks - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Business Acquisition [Line Items]
Total revenues	$ 855	$ 2,089
Net income available to Discovery, Inc.	18	54
Advertising
Business Acquisition [Line Items]
Total revenues	588	1,473
Distribution
Business Acquisition [Line Items]
Total revenues	241	556
Other
Business Acquisition [Line Items]
Total revenues	$ 26	$ 60

Acquisitions and Dispositions (

Acquisitions and Dispositions (Dispositions) (Details) - USD ($) $ in Millions	Apr. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
(Gain) loss on disposition		$ 0	$ 0	$ 0	$ 84
Education Business
Business Acquisition [Line Items]
Equity method investment, ownership percentage		12.00%		12.00%
Disposal Group, Held-for-sale, Not Discontinued Operations | Francisco Partners
Business Acquisition [Line Items]
Consideration received on sale	$ 113
(Gain) loss on disposition	84
Net assets disposed	44
Goodwill disposed	$ 40
Income (loss) before income taxes						$ (2)
Disposal Group, Held-for-sale, Not Discontinued Operations | Education Business | Francisco Partners
Business Acquisition [Line Items]
Equity method investment, ownership percentage	88.00%

Investments (Schedule of Invest

Investments (Schedule of Investments) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Investment [Line Items]
Equity investments without readily determinable fair value	$ 125
Total Investments	1,527	$ 1,893
Cash and cash equivalents
Investment [Line Items]
Time deposits	4	0
Cash and cash equivalents | Money market funds
Investment [Line Items]
Equity securities and investments	200	286
Prepaid expenses and other current assets | Mutual funds and company-owned life insurance contracts
Investment [Line Items]
Equity securities and investments	13	28
Other noncurrent assets
Investment [Line Items]
Equity investments without readily determinable fair value	507	379
Other noncurrent assets | Mutual funds and company-owned life insurance contracts
Investment [Line Items]
Equity securities and investments	229	188
Other noncurrent assets | Common Stock
Investment [Line Items]
Equity securities and investments	45	77
Equity method investments | Equity investments
Investment [Line Items]
Equity method investments	529	841
Equity method investments | Note receivable
Investment [Line Items]
Equity method investments	$ 0	$ 94

Investments (Equity Method Inve

Investments (Equity Method Investments) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018
Investments [Abstract]
Variable interest, maximum exposure to loss	$ 152		$ 152
Carrying value of investments in VIE's accounted for using the equity method	152		152	$ 528
Variable interest entity gains (losses)	$ (4)	$ 4	$ (10)	$ 46

Investments (UKTV) (Details)

Investments (UKTV) (Details) - USD ($) $ in Millions	Apr. 01, 2019	Sep. 30, 2019	Dec. 31, 2018	Mar. 06, 2018
UKTV
Schedule of Equity Method Investments [Line Items]
Equity method investments			$ 386
Note receivable			94
nC Plus
Schedule of Equity Method Investments [Line Items]
Equity method investments		$ 181	$ 180
Scripps Networks | UKTV
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage				50.00%
Scripps Networks | nC Plus
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage				32.00%
BBC Studios | UKTV
Schedule of Equity Method Investments [Line Items]
Series of agreements, content partnership, term	10 years

Investments (Renewable Energy I

Investments (Renewable Energy Investments) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Carrying value of investments in VIE's accounted for using the equity method	$ 152		$ 528
Variable interest, maximum exposure to loss	152
Solar Ventures
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments	4	$ 17
Carrying value of investments in VIE's accounted for using the equity method	$ 93		$ 89

Investments (Investor Basis Dif

Investments (Investor Basis Differential) (Details) - Various equity method investments, aggregated - USD ($) $ in Millions	7 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Schedule of Equity Method Investments [Line Items]
Impairment losses		$ 4	$ 24
Amortization of intangible assets	$ 20	15
Expected future amortization of intangible assets	$ 60	$ 60

Investments (Common Stock Inves

Investments (Common Stock Investments with Readily Determinable Fair Value ) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Apr. 01, 2019USD ($)	Jan. 01, 2019USD ($)	Jan. 01, 2018USD ($)
Debt Securities, Available-for-sale [Line Items]
Cumulative effect of accounting changes					$ 5	$ 0	$ 7
Accounting Standards Update 2016-01
Debt Securities, Available-for-sale [Line Items]
Cumulative effect of accounting changes							(26)
Accumulated Other Comprehensive Loss
Debt Securities, Available-for-sale [Line Items]
Cumulative effect of accounting changes					0	(30)	(26)
Retained Earnings
Debt Securities, Available-for-sale [Line Items]
Cumulative effect of accounting changes					$ 5	$ 30	33
Lionsgate Collar
Debt Securities, Available-for-sale [Line Items]
Net losses recognized during the period on equity securities	$ (15)	$ (1)	$ (32)	$ (44)
Less: Net losses recognized on equity securities sold	0	0	0	0
Unrealized losses recognized during reporting period on equity securities still held at the reporting date	$ (15)	$ (1)	$ (32)	$ (44)
Percentage of shares pledged as collateral	50.00%		50.00%
Lionsgate Collar | Accumulated Other Comprehensive Loss | Accounting Standards Update 2016-01
Debt Securities, Available-for-sale [Line Items]
Reclassification of accumulated other comprehensive income to retained earnings							(32)
Cumulative effect of accounting changes							(26)
Lionsgate Collar | Retained Earnings | Accounting Standards Update 2016-01
Debt Securities, Available-for-sale [Line Items]
Reclassification of accumulated other comprehensive income to retained earnings							32
Cumulative effect of accounting changes							$ 26
Tranche 1 | Lionsgate Collar
Debt Securities, Available-for-sale [Line Items]
Proceeds from settlement of equity collar	$ 18
Equity collar tranche coverage ratio	0.33

Investments (Equity Investments

Investments (Equity Investments Without Readily Determinable Fair Values Assessed Under the Measurement Alternative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019USD ($)
Other Investment Not Readily Marketable [Line Items]
Equity investments without readily determinable fair value	$ 125
Equity securities without readily determinable fair value, increase (decrease)	9
GroupNineMedia
Other Investment Not Readily Marketable [Line Items]
Equity investments without readily determinable fair value	$ 45
GroupNineMedia
Other Investment Not Readily Marketable [Line Items]
Ownership percentage by parent	46.00%
Equity investments without readily determinable fair value	$ 256

Fair Value Measurements (Schedu

Fair Value Measurements (Schedule Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	$ 21	$ 27
Other noncurrent assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	172	80
Accrued liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	1	0
Accrued liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	1
Accrued liabilities | Not Designated as Hedging Instrument | Equity (Lionsgate Collar)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Accrued liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	2	3
Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	13	39
Other noncurrent liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66	0
Other noncurrent liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Other noncurrent liabilities | Not Designated as Hedging Instrument | Equity (Lionsgate Collar)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Other noncurrent liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	6	0
Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66	81
Fair Value, Measurements, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	680	686
Liabilities	376	339
Fair Value, Measurements, Recurring | Cash and cash equivalents
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	200	286
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	12	13
Company-owned life insurance contracts	1	15
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		14
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	13	13
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	2
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	6
Fair Value, Measurements, Recurring | Other noncurrent assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	183	158
Company-owned life insurance contracts	46	30
Common stock	45	77
Fair Value, Measurements, Recurring | Other noncurrent assets | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		11
Fair Value, Measurements, Recurring | Other noncurrent assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	40	27
Fair Value, Measurements, Recurring | Other noncurrent assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	12
Fair Value, Measurements, Recurring | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	2	1
Fair Value, Measurements, Recurring | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	117	41
Fair Value, Measurements, Recurring | Other noncurrent assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	1
Fair Value, Measurements, Recurring | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	21	37
Fair Value, Measurements, Recurring | Accrued liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	1
Fair Value, Measurements, Recurring | Accrued liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	2	3
Fair Value, Measurements, Recurring | Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	13	39
Fair Value, Measurements, Recurring | Other noncurrent liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	201	178
Fair Value, Measurements, Recurring | Other noncurrent liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66
Fair Value, Measurements, Recurring | Other noncurrent liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities		1
Fair Value, Measurements, Recurring | Other noncurrent liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	6
Fair Value, Measurements, Recurring | Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66	81
Fair Value, Measurements, Recurring | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	440	534
Liabilities	222	215
Fair Value, Measurements, Recurring | Level 1 | Cash and cash equivalents
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	200	286
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	12	13
Company-owned life insurance contracts	0	0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	183	158
Company-owned life insurance contracts	0	0
Common stock	45	77
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 1 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	21	37
Fair Value, Measurements, Recurring | Level 1 | Accrued liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 1 | Accrued liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	201	178
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities		0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 1 | Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	240	152
Liabilities	154	124
Fair Value, Measurements, Recurring | Level 2 | Cash and cash equivalents
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Company-owned life insurance contracts	1	15
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		14
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	13	13
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	2
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	6
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Company-owned life insurance contracts	46	30
Common stock	0	0
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		11
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	40	27
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	12
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	2	1
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	117	41
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	1
Fair Value, Measurements, Recurring | Level 2 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 2 | Accrued liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	1
Fair Value, Measurements, Recurring | Level 2 | Accrued liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	2	3
Fair Value, Measurements, Recurring | Level 2 | Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	13	39
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities		1
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	6
Fair Value, Measurements, Recurring | Level 2 | Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	66	81
Fair Value, Measurements, Recurring | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	0	0
Liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Cash and cash equivalents
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Company-owned life insurance contracts	0	0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Company-owned life insurance contracts	0	0
Common stock	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets		0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Not Designated as Hedging Instrument | Equity (Lionsgate Collar) | Lionsgate Collar
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent assets | Net investment hedges | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	0
Fair Value, Measurements, Recurring | Level 3 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3 | Accrued liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 3 | Accrued liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Accrued liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent liabilities | Not Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities		0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	0
Fair Value, Measurements, Recurring | Level 3 | Other noncurrent liabilities | Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	$ 0	$ 0

Fair Value Measurements (Narrat

Fair Value Measurements (Narrative) (Details) - USD ($) $ in Billions	Sep. 30, 2019	Dec. 31, 2018
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior notes, fair value	$ 16.6	$ 16.3

Content Rights (Schedule Of Con

Content Rights (Schedule Of Content Rights) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Licensed content rights:
Accumulated content rights expense	$ (5,675)		$ (5,675)		$ (4,735)
Total content rights, net	3,537		3,537		3,382
Current portion	(442)		(442)		(313)
Noncurrent portion	3,095		3,095		3,069
Content impairments in restructuring and other charges	0	$ 161	0	$ 338
Content rights
Produced content rights:
Completed	6,451		6,451		5,609
In-production	648		648		612
Coproduced content rights:
Completed	863		863		682
In-production	52		52		53
Licensed content rights:
Acquired	981		981		1,007
Prepaid	217		217		154
Content rights, at cost	9,212		9,212		8,117
Olympic games
Licensed content rights:
Noncurrent portion	$ 138		138		$ 65
BBC Studios | Corporate Joint Venture | Licensing Agreements
Licensed content rights:
Licensing agreement term	10 years
Capitalized assets	$ 47		$ 47

Content Rights (Schedule Of C_2

Content Rights (Schedule Of Content Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Content amortization	$ 696	$ 702	$ 2,071	$ 2,178
Other production charges	96	94	300	366
Content impairments	4	163	7	345
Total content expense	$ 796	$ 959	$ 2,378	$ 2,889

Goodwill - Goodwill Activity (D

Goodwill - Goodwill Activity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Goodwill [Roll Forward]
Beginning balance			$ 13,006
Acquisitions			193
Impairment of goodwill	$ (155)	$ 0	(155)	$ 0
Foreign currency translation and other adjustments			(67)
Ending balance	12,977		12,977
U.S. Networks
Goodwill [Roll Forward]
Beginning balance			10,785
Acquisitions			3
Impairment of goodwill			0
Foreign currency translation and other adjustments			25
Ending balance	10,813		10,813
Goodwill, accumulated impairments	20		20		$ 20
International Networks
Goodwill [Roll Forward]
Beginning balance			2,221
Acquisitions			190
Impairment of goodwill			(155)
Foreign currency translation and other adjustments			(92)
Ending balance	2,164		2,164
Goodwill, accumulated impairments	$ 1,500		$ 1,500		$ 1,300

Goodwill - Goodwill Impairments

Goodwill - Goodwill Impairments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Goodwill [Line Items]
Impairment of goodwill	$ 155	$ 0	$ 155	$ 0
Asia-Pacific
Goodwill [Line Items]
Goodwill excess of fair value over carrying value	10.00%		10.00%
Implied fair value of goodwill	$ 40		$ 40
Measurement Input, Long-term Revenue Growth Rate | Asia-Pacific
Goodwill [Line Items]
Discount rate	11.00%
Measurement Input, Long-term Revenue Growth Rate | Asia-Pacific | Minimum
Goodwill [Line Items]
Long-term growth rate	2.00%
Measurement Input, Long-term Revenue Growth Rate | Asia-Pacific | Maximum
Goodwill [Line Items]
Long-term growth rate	2.50%

Debt (Outstanding Debt) (Detail

Debt (Outstanding Debt) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt	$ 15,496		$ 16,918
Unamortized discount, premium and debt issuance costs, net (b)	(128)		(125)
Debt, net of unamortized discount, premium and debt issuance costs	15,368		16,793
Current portion of debt	(611)		(1,819)
Noncurrent portion of debt	14,757		14,974
Unamortized discount, premium and debt issuance costs, current	2
Line of Credit | Revolving credit facility
Debt Instrument [Line Items]
Total debt	0		225
Line of Credit | Program financing line of credit
Debt Instrument [Line Items]
Total debt	$ 14		22
Commercial paper
Debt Instrument [Line Items]
Total debt			0
5.625% Senior notes, semi-annual interest, due August 2019
Debt Instrument [Line Items]
Debt instrument interest rate	5.625%
Total debt	$ 0		411
2.200% Senior notes, semi-annual interest, due September 2019
Debt Instrument [Line Items]
Debt instrument interest rate	2.20%
Total debt	$ 0		500
Floating rate notes, quarterly interest, due September 2019
Debt Instrument [Line Items]
Total debt	$ 0		400
2.750% Senior notes, semi-annual interest, due November 2019
Debt Instrument [Line Items]
Debt instrument interest rate	2.75%
Total debt	$ 0		500
2.800% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Debt instrument interest rate	2.80%
Total debt	$ 600		600
5.050% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Debt instrument interest rate	5.05%
Total debt	$ 0		789
4.375% Senior notes, semi-annual interest, due June 2021
Debt Instrument [Line Items]
Debt instrument interest rate	4.375%
Total debt	$ 640		650
2.375% Senior notes, euro denominated, annual interest, due March 2022
Debt Instrument [Line Items]
Debt instrument interest rate	2.375%
Total debt	$ 328		344
3.300% Senior notes, semi-annual interest, due May 2022
Debt Instrument [Line Items]
Debt instrument interest rate	3.30%
Total debt	$ 496		500
3.500% Senior notes, semi-annual interest, due June 2022
Debt Instrument [Line Items]
Debt instrument interest rate	3.50%
Total debt	$ 400		400
2.950% Senior notes, semi-annual interest, due March 2023
Debt Instrument [Line Items]
Debt instrument interest rate	2.95%
Total debt	$ 1,172		1,185
3.250% Senior notes, semi-annual interest, due April 2023
Debt Instrument [Line Items]
Debt instrument interest rate	3.25%
Total debt	$ 350		350
3.800% Senior notes, semi-annual interest, due March 2024
Debt Instrument [Line Items]
Debt instrument interest rate	3.80%
Total debt	$ 450		450
2.500% Senior notes, sterling denominated, annual interest, due September 2024
Debt Instrument [Line Items]
Debt instrument interest rate	2.50%
Total debt			507
3.900% Senior notes, semi-annual interest, due November 2024
Debt Instrument [Line Items]
Debt instrument interest rate	3.90%
Total debt	$ 497		497
3.450% Senior notes, semi-annual interest, due March 2025
Debt Instrument [Line Items]
Debt instrument interest rate	3.45%
Total debt	$ 300		300
3.950% Senior notes, semi-annual interest, due June 2025
Debt Instrument [Line Items]
Debt instrument interest rate	3.95%
Total debt	$ 500		500
4.900% Senior notes, semi-annual interest, due March 2026
Debt Instrument [Line Items]
Debt instrument interest rate	4.90%
Total debt	$ 700		700
1.900% Senior notes, euro denominated, annual interest, due March 2027
Debt Instrument [Line Items]
Debt instrument interest rate	1.90%
Total debt	$ 656		688
3.950% Senior notes, semi-annual interest, due March 2028
Debt Instrument [Line Items]
Debt instrument interest rate	3.95%
Total debt	$ 1,700		1,700
4.125% Senior notes, semi-annual interest, due May 2029
Debt Instrument [Line Items]
Total debt	$ 750		0
5.000% Senior notes, semi-annual interest, due September 2037
Debt Instrument [Line Items]
Debt instrument interest rate	5.00%
Total debt	$ 1,250		1,250
6.350% Senior notes, semi-annual interest, due June 2040
Debt Instrument [Line Items]
Debt instrument interest rate	6.35%
Total debt	$ 850		850
4.950% Senior notes, semi-annual interest, due May 2042
Debt Instrument [Line Items]
Debt instrument interest rate	4.95%
Total debt	$ 500		500
4.875% Senior notes, semi-annual interest, due April 2043
Debt Instrument [Line Items]
Debt instrument interest rate	4.875%
Total debt	$ 850		850
5.200% Senior notes, semi-annual interest, due September 2047
Debt Instrument [Line Items]
Debt instrument interest rate	5.20%
Total debt	$ 1,250		1,250
5.300% Senior notes, semi-annual interest, due May 2049
Debt Instrument [Line Items]
Total debt	$ 750		0
Accounting Standards Update 2016-02
Debt Instrument [Line Items]
Capital lease obligations		$ (252)	$ 252

Debt (Senior Notes) (Details)

Debt (Senior Notes) (Details) - USD ($)	Mar. 21, 2019	Apr. 03, 2018	Mar. 06, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	May 21, 2019	Dec. 31, 2018	Jun. 30, 2018	Sep. 21, 2017	Mar. 13, 2017
Debt Instrument [Line Items]
Long-term debt, gross				$ 15,496,000,000		$ 15,496,000,000			$ 16,918,000,000
Loss on extinguishment of debt				0	$ 0	28,000,000	$ 0
4.125% Senior notes, semi-annual interest, due May 2029
Debt Instrument [Line Items]
Long-term debt, gross				750,000,000		750,000,000			0
5.300% Senior notes, semi-annual interest, due May 2049
Debt Instrument [Line Items]
Long-term debt, gross				750,000,000		750,000,000			0
5.625% Senior notes, semi-annual interest, due August 2019
Debt Instrument [Line Items]
Long-term debt, gross				$ 0		$ 0			411,000,000
Debt instrument interest rate				5.625%		5.625%
2.750% Senior notes, semi-annual interest, due November 2019
Debt Instrument [Line Items]
Long-term debt, gross				$ 0		$ 0			500,000,000
Debt instrument interest rate				2.75%		2.75%
2.800% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Long-term debt, gross				$ 600,000,000		$ 600,000,000			600,000,000
Debt instrument interest rate				2.80%		2.80%
3.500% Senior notes, semi-annual interest, due June 2022
Debt Instrument [Line Items]
Long-term debt, gross				$ 400,000,000		$ 400,000,000			400,000,000
Debt instrument interest rate				3.50%		3.50%
3.900% Senior notes, semi-annual interest, due November 2024
Debt Instrument [Line Items]
Long-term debt, gross				$ 497,000,000		$ 497,000,000			497,000,000
Debt instrument interest rate				3.90%		3.90%
3.950% Senior notes, semi-annual interest, due June 2025
Debt Instrument [Line Items]
Long-term debt, gross				$ 500,000,000		$ 500,000,000			500,000,000
Debt instrument interest rate				3.95%		3.95%
2.200% Senior notes, semi-annual interest, due September 2019
Debt Instrument [Line Items]
Long-term debt, gross				$ 0		$ 0			500,000,000
Debt instrument interest rate				2.20%		2.20%
2.950% Senior notes, semi-annual interest, due March 2023
Debt Instrument [Line Items]
Long-term debt, gross				$ 1,172,000,000		$ 1,172,000,000			1,185,000,000
Debt instrument interest rate				2.95%		2.95%
3.950% Senior notes, semi-annual interest, due March 2028
Debt Instrument [Line Items]
Long-term debt, gross				$ 1,700,000,000		$ 1,700,000,000			1,700,000,000
Debt instrument interest rate				3.95%		3.95%
5.000% Senior notes, semi-annual interest, due September 2037
Debt Instrument [Line Items]
Long-term debt, gross				$ 1,250,000,000		$ 1,250,000,000			1,250,000,000
Debt instrument interest rate				5.00%		5.00%
5.200% Senior notes, semi-annual interest, due September 2047
Debt Instrument [Line Items]
Long-term debt, gross				$ 1,250,000,000		$ 1,250,000,000			1,250,000,000
Debt instrument interest rate				5.20%		5.20%
Floating rate notes, quarterly interest, due September 2019
Debt Instrument [Line Items]
Long-term debt, gross				$ 0		$ 0			400,000,000
3.800% Senior notes, semi-annual interest, due March 2024
Debt Instrument [Line Items]
Long-term debt, gross				$ 450,000,000		$ 450,000,000			450,000,000
Debt instrument interest rate				3.80%		3.80%
4.900% Senior notes, semi-annual interest, due March 2026
Debt Instrument [Line Items]
Long-term debt, gross				$ 700,000,000		$ 700,000,000			700,000,000
Debt instrument interest rate				4.90%		4.90%
5.050% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Long-term debt, gross				$ 0		$ 0			$ 789,000,000
Debt instrument interest rate				5.05%		5.05%
Senior Notes | 4.125% Senior notes, semi-annual interest, due May 2029
Debt Instrument [Line Items]
Face amount								$ 750,000,000
Debt instrument interest rate								4.125%
Senior Notes | 5.300% Senior notes, semi-annual interest, due May 2049
Debt Instrument [Line Items]
Face amount								$ 750,000,000
Debt instrument interest rate								5.30%
Senior Notes | 4.125% and 5.300% Senior Notes
Debt Instrument [Line Items]
Unamortized discount								$ 6,000,000
Debt issuance costs, gross								12,000,000
Senior Notes | 2.750% and 5.050% Senior Notes
Debt Instrument [Line Items]
Repurchased face amount								$ 1,300,000,000
Loss on extinguishment of debt				$ 23,000,000
Loss on extinguishment of debt, net premiums to par value						$ 20,000,000
Loss on extinguishment of debt, other non cash charges						3,000,000
Senior Notes | 5.625% Senior notes, semi-annual interest, due August 2019
Debt Instrument [Line Items]
Long-term debt, gross	$ 411,000,000
Debt instrument interest rate	5.625%
Payment for debt extinguishment or debt prepayment cost	$ 5,000,000
Loss on extinguishment of debt	$ 5,000,000
Senior Notes | Scripps Senior Notes
Debt Instrument [Line Items]
Reduction in the carrying amount of the senior notes, which will be amortized to interest expense until maturity			$ 19,000,000
Accumulated fair value adjustments amortization				4,000,000		4,000,000
Debt conversion, original debt, amount		$ 2,300,000,000
Senior Notes | 2.750% Senior notes, semi-annual interest, due November 2019
Debt Instrument [Line Items]
Debt instrument interest rate		2.75%	2.75%					2.75%
Senior Notes | 2.800% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Debt instrument interest rate		2.80%	2.80%
Senior Notes | 3.500% Senior notes, semi-annual interest, due June 2022
Debt Instrument [Line Items]
Debt instrument interest rate		3.50%	3.50%
Senior Notes | 3.900% Senior notes, semi-annual interest, due November 2024
Debt Instrument [Line Items]
Debt instrument interest rate		3.90%	3.90%
Senior Notes | 3.950% Senior notes, semi-annual interest, due June 2025
Debt Instrument [Line Items]
Debt instrument interest rate		3.95%	3.95%
Senior Notes | 2.200% Senior notes, semi-annual interest, due September 2019
Debt Instrument [Line Items]
Long-term debt, gross											$ 500,000,000
Debt instrument interest rate											2.20%
Senior Notes | 2.950% Senior notes, semi-annual interest, due March 2023
Debt Instrument [Line Items]
Long-term debt, gross											$ 1,200,000,000
Debt instrument interest rate											2.95%
Senior Notes | 3.950% Senior notes, semi-annual interest, due March 2028
Debt Instrument [Line Items]
Long-term debt, gross											$ 1,700,000,000
Debt instrument interest rate											3.95%
Senior Notes | 5.000% Senior notes, semi-annual interest, due September 2037
Debt Instrument [Line Items]
Long-term debt, gross											$ 1,300,000,000
Debt instrument interest rate											5.00%
Senior Notes | 5.200% Senior notes, semi-annual interest, due September 2047
Debt Instrument [Line Items]
Long-term debt, gross											$ 1,300,000,000
Debt instrument interest rate											5.20%
Senior Notes | Floating rate notes, quarterly interest, due September 2019
Debt Instrument [Line Items]
Long-term debt, gross											$ 400,000,000
Senior Notes | 3.800% Senior notes, semi-annual interest, due March 2024
Debt Instrument [Line Items]
Long-term debt, gross												$ 450,000,000
Debt instrument interest rate												3.80%
Senior Notes | 4.900% Senior notes, semi-annual interest, due March 2026
Debt Instrument [Line Items]
Long-term debt, gross												$ 200,000,000
Debt instrument interest rate												4.90%
Senior Notes | 5.050% Senior notes, semi-annual interest, due June 2020
Debt Instrument [Line Items]
Debt instrument interest rate								5.05%
Open Market Bond | 2.750% and 5.050% Senior Notes
Debt Instrument [Line Items]
Repurchased face amount				$ 50,000,000		$ 50,000,000
Sterling Notes | 2.500% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest rate											2.50%
Debt issuance costs, net											$ 57,000,000
Unamortized discount											$ 11,000,000
Scripps Networks | Senior Notes | Scripps Senior Notes
Debt Instrument [Line Items]
Principal amount of liabilities assumed			$ 2,500,000,000
Scripps Networks | Senior Notes | Un-exchanged Scripps Senior Notes
Debt Instrument [Line Items]
Principal amount of liabilities assumed										$ 135,000,000

Debt (Term Loans) (Details)

Debt (Term Loans) (Details) - Unsecured Debt - USD ($) $ in Billions	Aug. 11, 2017	Mar. 06, 2018
Three Year Delayed Draw Tranche Unsecured Term Loan Credit Facility
Debt Instrument [Line Items]
Borrowings schedule repayment period, in years	3 years
Unsecured long-term debt, noncurrent	$ 1
Commitment fee percentage		0.20%
Five Year Delayed Draw Tranche Unsecured Term Loan Credit Facility
Debt Instrument [Line Items]
Borrowings schedule repayment period, in years	5 years
Unsecured long-term debt, noncurrent	$ 1
Commitment fee percentage		0.20%

Debt (Revolving Credit Facility

Debt (Revolving Credit Facility) (Details)	Aug. 11, 2017USD ($)renewalRate	Sep. 30, 2019USD ($)	Dec. 31, 2018USD ($)
Line of Credit Facility [Line Items]
Long-term debt, gross | $		$ 15,496,000,000	$ 16,918,000,000
Line of Credit
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage		0.20%
Line of Credit | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Percentage bearing variable interest, percentage rate		1.30%
Line of Credit | Base Rate
Line of Credit Facility [Line Items]
Percentage bearing variable interest, percentage rate		0.30%
Maximum | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	550.00%
Maximum | Step Down 1, one year after the closing of the Scripps Networks acquisition | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	500.00%
Maximum | Step Down 2, two years after the closing of the Scripps Networks acquisition | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	450.00%
Minimum | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	100.00%
Minimum | Step Down 1, one year after the closing of the Scripps Networks acquisition | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	100.00%
Minimum | Step Down 2, two years after the closing of the Scripps Networks acquisition | Line of Credit
Line of Credit Facility [Line Items]
Supplementary leverage ratio | Rate	100.00%
Revolving credit facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving line of credit, maximum borrowing capacity | $	$ 2,500,000,000
Number of renewal periods | renewal	2
Term of renewal period	364 days
Long-term debt, gross | $		$ 0	$ 225,000,000
Weighted average interest rate			3.82%
Outstanding borrowings | $			$ 0
Revolver sublimit for standby letters of credit | Line of Credit
Line of Credit Facility [Line Items]
Revolving line of credit, maximum borrowing capacity | $	$ 100,000,000
Revolver sublimit for swing line loans | Line of Credit
Line of Credit Facility [Line Items]
Revolving line of credit, maximum borrowing capacity | $	$ 50,000,000

Debt (Program Financing Line of

Debt (Program Financing Line of Credit and Commercial Paper) (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018	Jan. 12, 2018
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 15,496,000,000	$ 16,918,000,000
Commercial paper
Line of Credit Facility [Line Items]
Long-term debt, gross		0
Program financing line of credit | Line of Credit
Line of Credit Facility [Line Items]
Aggregate principal amount			$ 26,000,000
Long-term debt, gross	$ 14,000,000	$ 22,000,000

Leases (Narrative) (Details)

Leases (Narrative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019USD ($)
Lessee, Lease, Description [Line Items]
Operating lease, liability	$ 698
Undiscounted lease payments	221
Lessee, operating lease, lease not yet commenced, commitment	$ 24
Lessee, operating lease, lease not yet commenced, renewal term	10 years
Lessee, operating lease, renewal term	10 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, lease, remaining term of contract	17 years
New York City
Lessee, Lease, Description [Line Items]
Operating lease, liability	$ 370
Lessee, operating lease, renewal term	10 years
New York City | Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease not yet commenced, term of contract	3 years
New York City | Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease not yet commenced, term of contract	16 years

Leases (Components of Lease Exp

Leases (Components of Lease Expense) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Leases [Abstract]
Operating lease cost	$ 29	$ 81
Finance lease cost:
Amortization of right-of-use assets	8	30
Interest on lease liabilities	2	6
Total finance lease cost	10	36
Variable lease cost	$ 3	$ 7

Leases (Supplemental Cash Flow

Leases (Supplemental Cash Flow Information Related to Leases) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ (68)
Operating cash flows from finance leases	(6)
Financing cash flows from finance leases	(35)
Right-of-use assets obtained in exchange for lease obligations:
Operating lease right-of-use assets	360
Finance lease right-of-use assets	$ 13

Leases (Supplemental Balance Sh

Leases (Supplemental Balance Sheet Information Related to Leases) (Details) $ in Millions	Sep. 30, 2019USD ($)
Operating Leases
Operating lease right-of-use assets	$ 360
Total	698
Finance Leases
Finance lease right-of-use assets	13
Total	$ 233
Weighted average remaining lease term, operating leases	13 years
Weighted average remaining lease term, finance leases	6 years
Weighted average discount rate, operating leases	3.77%
Weighted average discount rate, finance leases	3.60%
Other noncurrent assets
Operating Leases
Operating lease right-of-use assets	$ 620
Accrued liabilities
Operating Leases
Operating lease liabilities (current)	76
Finance Leases
Finance lease liabilities (current)	43
Other noncurrent liabilities
Operating Leases
Operating lease liabilities (noncurrent)	622
Finance Leases
Finance lease liabilities (noncurrent)	190
Property and equipment, net
Finance Leases
Finance lease right-of-use assets	$ 213

Leases (Maturities of Lease Lia

Leases (Maturities of Lease Liabilities) (Details) $ in Millions	Sep. 30, 2019USD ($)
Operating Leases
October 1, 2019 to September 30, 2020	$ 91
October 1, 2020 to September 30, 2021	99
October 1, 2021 to September 30, 2022	69
October 1, 2022 to September 30, 2023	60
October 1, 2023 to September 30, 2024	56
Thereafter	544
Total lease payments	919
Less: Imputed interest	(221)
Total	698
Finance Lease Liabilities, Payments, Due [Abstract]
October 1, 2019 to September 30, 2020	51
October 1, 2020 to September 30, 2021	47
October 1, 2021 to September 30, 2022	39
October 1, 2022 to September 30, 2023	35
October 1, 2023 to September 30, 2024	28
Thereafter	61
Total lease payments	261
Less: Imputed interest	(28)
Total	$ 233

Derivative Financial Instrume_3

Derivative Financial Instruments (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2019USD ($)instrument	Sep. 30, 2018USD ($)	Sep. 30, 2019USD ($)instrument	Sep. 30, 2018USD ($)	Apr. 01, 2019USD ($)	Jan. 01, 2019USD ($)	Dec. 31, 2018USD ($)	Jul. 01, 2018USD ($)	Jan. 01, 2018USD ($)
Derivative [Line Items]
Cumulative effect of accounting changes					$ 5,000,000	$ 0			$ 7,000,000
Amounts eligible to be offset under master netting agreements	$ 0		$ 0				$ 0
Designated as Hedging Instrument | Cash Flow Hedging
Derivative [Line Items]
Net deferred gains on derivative instruments expected to be reclassified from AOCI to income in the next 12 months			$ 9,000,000
Maximum length of time hedged in cash flow hedge			11 years
Accumulated Other Comprehensive Loss
Derivative [Line Items]
Cumulative effect of accounting changes					$ 0	$ (30,000,000)			$ (26,000,000)
Accounting Standards Update 2017-12 | Accumulated Other Comprehensive Loss
Derivative [Line Items]
Cumulative effect of accounting changes								$ (87,000,000)
Foreign Exchange Forward
Derivative [Line Items]
Notional amount	$ 798,000,000		$ 798,000,000
Currency Swap, Fixed-To-Fixed
Derivative [Line Items]
Number of instruments held | instrument	2		2
Notional amount	$ 201,000,000		$ 201,000,000
Currency Swap, Fixed-To-Fixed | Designated as Hedging Instrument | Net investment hedges
Derivative [Line Items]
Notional amount	100,000,000		100,000,000
Interest rate swaps | Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount, terminated	500,000,000		500,000,000
Interest rate swaps | Designated as Hedging Instrument | Cash Flow Hedging
Derivative [Line Items]
Gains (losses) recognized in accumulated other comprehensive loss	$ 0	$ 0	$ 18,000,000	$ 0
Debt instrument, term			10 years
Senior Notes | 4.125% Senior notes, semi-annual interest, due May 2029
Derivative [Line Items]
Debt instrument interest rate	4.125%		4.125%

Derivative Financial Instrume_4

Derivative Financial Instruments (Schedule of Derivative Instruments, Fair Value) (Details) £ in Millions, $ in Millions	Sep. 30, 2019USD ($)	Sep. 30, 2019GBP (£)	Dec. 31, 2018USD ($)	Sep. 21, 2017GBP (£)
Derivatives, Fair Value [Line Items]
Long-term debt, gross	$ 15,496		$ 16,918
Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	21		27
Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	172		80
Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	16		43
Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	138		81
Not Designated as Hedging Instrument | Foreign exchange
Derivatives, Fair Value [Line Items]
Notional	1,100		860
Not Designated as Hedging Instrument | Foreign exchange | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	6		0
Not Designated as Hedging Instrument | Foreign exchange | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	1		11
Not Designated as Hedging Instrument | Foreign exchange | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	1		0
Not Designated as Hedging Instrument | Foreign exchange | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	66		0
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional	0		25
Not Designated as Hedging Instrument | Interest rate swaps | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		0
Not Designated as Hedging Instrument | Interest rate swaps | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		0
Not Designated as Hedging Instrument | Interest rate swaps | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Not Designated as Hedging Instrument | Interest rate swaps | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Not Designated as Hedging Instrument | Cross-currency swaps
Derivatives, Fair Value [Line Items]
Notional	0		64
Not Designated as Hedging Instrument | Cross-currency swaps | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		0
Not Designated as Hedging Instrument | Cross-currency swaps | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		0
Not Designated as Hedging Instrument | Cross-currency swaps | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		1
Not Designated as Hedging Instrument | Cross-currency swaps | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Not Designated as Hedging Instrument | Equity (Lionsgate collar)
Derivatives, Fair Value [Line Items]
Notional	65		97
Not Designated as Hedging Instrument | Equity (Lionsgate collar) | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		14
Not Designated as Hedging Instrument | Equity (Lionsgate collar) | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	40		27
Not Designated as Hedging Instrument | Equity (Lionsgate collar) | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Not Designated as Hedging Instrument | Equity (Lionsgate collar) | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange
Derivatives, Fair Value [Line Items]
Notional	1,684		267
Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	13		13
Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	12		0
Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	2		3
Cash Flow Hedging | Designated as Hedging Instrument | Foreign exchange | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	6		0
Net investment hedges | Designated as Hedging Instrument | Sterling Notes
Derivatives, Fair Value [Line Items]
Long-term debt, gross	493	£ 400		£ 400
Net investment hedges | Designated as Hedging Instrument | Foreign exchange
Derivatives, Fair Value [Line Items]
Notional	52		52
Net investment hedges | Designated as Hedging Instrument | Foreign exchange | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	0		0
Net investment hedges | Designated as Hedging Instrument | Foreign exchange | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	2		1
Net investment hedges | Designated as Hedging Instrument | Foreign exchange | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Net investment hedges | Designated as Hedging Instrument | Foreign exchange | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	0		0
Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps
Derivatives, Fair Value [Line Items]
Notional	3,429		3,387
Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	2		0
Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value	117		41
Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	13		39
Net investment hedges | Designated as Hedging Instrument | Cross-currency swaps | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, Fair Value	$ 66		$ 81

Derivative Financial Instrume_5

Derivative Financial Instruments (Schedule of Income and Comprehensive Income (Loss) Impact of Items Designated as Cash Flow Hedges) (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in accumulated other comprehensive loss	$ 41	$ 2	$ 15	$ 31
Foreign exchange | Advertising
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified into income from accumulated other comprehensive loss	1	0	4	(1)
Foreign exchange | Distribution
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified into income from accumulated other comprehensive loss	(5)	2	1	5
Foreign exchange | Costs of revenues
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified into income from accumulated other comprehensive loss	3	11	1	7
Foreign exchange | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified into income from accumulated other comprehensive loss	3	0	3	0
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in accumulated other comprehensive loss	0	0	(18)	0
Interest rate swaps | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified into income from accumulated other comprehensive loss	$ (1)	$ 0	$ (1)	$ 0

Derivative Financial Instrume_6

Derivative Financial Instruments (Schedule of Comprehensive Income (Loss) Impact of Items Designated as Net Investment Hedges) (Details) - Designated as Hedging Instrument - Net investment hedges - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative [Line Items]
Amount of gain (loss) recognized in AOCI	$ 101	$ 5	$ 145	$ 25
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	16	6	33	6
Sterling Notes
Derivative [Line Items]
Amount of gain (loss) recognized in AOCI	16	(3)	15	13
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	0	0		0
Cross-currency swaps | Interest expense, net
Derivative [Line Items]
Amount of gain (loss) recognized in AOCI	82	8	128	13
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	16	6	33	6
Foreign exchange | Other expense, net
Derivative [Line Items]
Amount of gain (loss) recognized in AOCI	3	0	2	(1)
Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)	$ 0	$ 0	$ 0	$ 0

Derivative Financial Instrume_7

Derivative Financial Instruments (Schedule of Pre-Tax Impact of Items not Designated as Hedges) (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	$ (22)	$ 1	$ (45)	$ 11
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	1	0	1	0
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	1	1	2	1
Credit contracts
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	0	0	0	(1)
Equity (Lionsgate Collar)
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	6	0	16	11
Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Total in other expense, net	$ (30)	$ 0	$ (64)	$ 0

Redeemable Noncontrolling Int_3

Redeemable Noncontrolling Interests Redeemable Noncontrolling Interests (Schedule of Redeemable Noncontrolling Interest Balances) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	$ 446	$ 444	$ 415	$ 414	$ 410	$ 413
Discovery Family
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	206		206
MotorTrend Group, LLC
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	120		121
Oprah Winfrey Network (OWN)
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	63		58
Discovery Japan
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	33		30
PSG
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balance	$ 24		$ 0

Redeemable Noncontrolling Int_4

Redeemable Noncontrolling Interests (Narrative) (Details) - PSG - PSG	Jan. 08, 2019
Redeemable Noncontrolling Interest [Line Items]
Post-acquisition ownership percentage of the acquiror in the combined entity	100.00%
Ownership percentage by noncontrolling owners	29.30%
Subsequent Acquisition, Window One
Redeemable Noncontrolling Interest [Line Items]
Post-acquisition ownership percentage of the acquiror in the combined entity	50.00%
Subsequent Acquisition, Window Two
Redeemable Noncontrolling Interest [Line Items]
Post-acquisition ownership percentage of the acquiror in the combined entity	50.00%

Redeemable Noncontrolling Int_5

Redeemable Noncontrolling Interests (Schedule of Redeemable Noncontrolling Interest) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Increase (Decrease) in Temporary Equity
Beginning balance	$ 444	$ 410	$ 415	$ 413
Initial fair value of redeemable noncontrolling interests of acquired businesses	0	0	25	0
Cash distributions to redeemable noncontrolling interests	(22)	0	(32)	(21)
Comprehensive income adjustments:
Net income attributable to redeemable noncontrolling interests	6	5	15	16
Other comprehensive loss adjustments	(1)	(1)	(1)	(1)
Currency translation on redemption values	0	0	1	1
Retained earnings adjustments:
Adjustments of redemption values to the floor	11	0	12	6
Adjustments of carrying value to fair value	7	0	7	0
OWN interest adjustment	1	0	4	0
Ending balance	$ 446	$ 414	$ 446	$ 414

Equity (Narrative) (Details)

Equity (Narrative) (Details) $ / shares in Units, shares in Millions	Jun. 28, 2019USD ($)	May 31, 2019USD ($)contract	Mar. 06, 2018shares	Sep. 30, 2019USD ($)$ / sharesshares	Apr. 30, 2019USD ($)	Dec. 31, 2018USD ($)shares
Class of Stock [Line Items]
Repurchases of stock				$ 300,000,000
Treasury stock (in shares) | shares				178		167
Treasury stock, value				$ 7,037,000,000		$ 6,737,000,000
Series A Common Stock
Class of Stock [Line Items]
Treasury stock (in shares) | shares				2.8
Treasury stock, value				$ 171,000,000
Series C Common Stock
Class of Stock [Line Items]
Treasury stock (in shares) | shares				175.7
Treasury stock, value				$ 6,900,000,000
Scripps Networks
Class of Stock [Line Items]
Equity interest issued or issuable (in shares) | shares			1
Scripps Networks | Series C Common Stock
Class of Stock [Line Items]
Issuance of stock in connection with acquisition (in shares) | shares			139
April 2019 Repurchase Program
Class of Stock [Line Items]
Stock repurchase program, authorized amount					$ 1,000,000,000
April 2019 Repurchase Program | Series C Common Stock
Class of Stock [Line Items]
Shares repurchased (in shares) | shares				11.6
Shares repurchased, value				$ 300,000,000
Shares repurchased, average price per share (in dollars per share) | $ / shares				$ 25.93
Payment for stock repurchase contract		$ 96,000,000
Number of repurchase contracts | contract		2
Cash to be received if price of stock is above strike price		$ 50,000,000
Repurchase contract settled in cash	$ 50,000,000

Equity (Other Comprehensive Inc

Equity (Other Comprehensive Income (Loss) Adjustments) (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative [Line Items]
Unrealized (losses) gains, Net-of-tax	$ (113)			$ 35			$ (212)	$ (149)
Reclassifications, Net-of-tax	3			9			2	4
Other comprehensive income (loss)	(116)	$ (18)	$ (80)	26	$ (177)	$ (2)	(214)	(153)
Other expense, net
Derivative [Line Items]
Reclassifications, Pretax	(3)			0			(3)	0
Reclassifications, Tax Benefit (Expense)	0			0			0	0
Reclassifications, Net-of-tax	(3)			0			(3)	0
Accumulated Other Comprehensive Loss
Derivative [Line Items]
Other comprehensive (loss) income, Pretax	(102)			14			(211)	(155)
Other comprehensive (loss) income, Tax Benefit (Expense)	(14)			12			(3)	2
Other comprehensive income (loss)	(116)	$ (18)	$ (80)	26	$ (177)	$ (2)	(214)	(153)
Currency Translation
Derivative [Line Items]
Unrealized (losses) gains, Net-of-tax	(146)			34			(211)	(173)
Reclassifications, Net-of-tax	0			0			(6)	(4)
Other comprehensive (loss) income, Pretax	(141)			25			(199)	(175)
Other comprehensive (loss) income, Tax Benefit (Expense)	(5)			9			(6)	6
Other comprehensive income (loss)	(146)			34			(205)	(169)
Currency Translation | Foreign currency
Derivative [Line Items]
Unrealized (losses) gains, Pretax	(242)			26			(333)	(198)
Unrealized (losses) gains, Tax Benefit (Expense)	(5)			9			(6)	6
Unrealized (losses) gains, Net-of-tax	(247)			35			(339)	(192)
Reclassifications, Pretax							6	4
Reclassification, gain (loss) on disposal, Tax Benefit (Expense)							0	0
Reclassifications, Net-of-tax							6	4
Currency Translation | Net investment hedges
Derivative [Line Items]
Unrealized (losses) gains, Pretax	101			(1)			128	19
Unrealized (losses) gains, Tax Benefit (Expense)	0			0			0	0
Unrealized (losses) gains, Net-of-tax	101			(1)			128	19
Derivatives
Derivative [Line Items]
Unrealized (losses) gains, Pretax	41			2			(3)	31
Unrealized (losses) gains, Tax Benefit (Expense)	(8)			(1)			2	(7)
Unrealized (losses) gains, Net-of-tax	33			1			(1)	24
Reclassifications, Net-of-tax	3			9			8	8
Other comprehensive (loss) income, Pretax	39			(11)			(12)	20
Other comprehensive (loss) income, Tax Benefit (Expense)	(9)			3			3	(4)
Other comprehensive income (loss)	30			(8)			(9)	16
Derivatives | Advertising
Derivative [Line Items]
Reclassifications, Pretax	(1)			0			(4)	1
Reclassifications, Tax Benefit (Expense)	0			0			1	0
Reclassifications, Net-of-tax	(1)			0			(3)	1
Derivatives | Distribution revenue
Derivative [Line Items]
Reclassifications, Pretax	5			(2)			(1)	(5)
Reclassifications, Tax Benefit (Expense)	(1)			1			0	1
Reclassifications, Net-of-tax	4			(1)			(1)	(4)
Derivatives | Costs of revenues
Derivative [Line Items]
Reclassifications, Pretax	(3)			(11)			(1)	(7)
Reclassifications, Tax Benefit (Expense)	0			3			0	2
Reclassifications, Net-of-tax	$ (3)			$ (8)			$ (1)	$ (5)

Equity (Accumulated Other Compr

Equity (Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Apr. 01, 2019	Jan. 01, 2019	Jan. 01, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance	$ 11,221	$ 10,300	$ 10,102	$ 9,626	$ 9,594	$ 4,610	$ 10,102	$ 4,610
Other comprehensive income (loss) before reclassifications	(113)			35			(212)	(149)
Reclassifications from accumulated other comprehensive income to net income	(3)			(9)			(2)	(4)
Other comprehensive income (loss)	(116)	(18)	(80)	26	(177)	(2)	(214)	(153)
Cumulative effect of accounting changes									$ 5	$ 0	$ 7
Ending balance	11,133	11,221	10,300	9,819	9,626	9,594	11,133	9,819
Accounting Standards Update 2018-02
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes										(30)
Accounting Standards Update 2016-01
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes											(26)
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance	(913)	(895)	(785)	(790)	(613)	(585)	(785)	(585)
Other comprehensive income (loss)	(116)	(18)	(80)	26	(177)	(2)	(214)	(153)
Cumulative effect of accounting changes									$ 0	(30)	(26)
Ending balance	(1,029)	(913)	(895)	(764)	(790)	(613)	(1,029)	(764)
Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance	(891)		(804)	(818)		(615)	(804)	(615)
Other comprehensive income (loss) before reclassifications	(146)			34			(211)	(173)
Reclassifications from accumulated other comprehensive income to net income	0			0			6	4
Other comprehensive income (loss)	(146)			34			(205)	(169)
Ending balance	(1,037)	(891)		(784)	(818)		(1,037)	(784)
Currency Translation | Accounting Standards Update 2018-02
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes										(28)
Currency Translation | Accounting Standards Update 2016-01
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes											0
AFS
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance						26		26
Other comprehensive income (loss) before reclassifications								0
Reclassifications from accumulated other comprehensive income to net income								0
Other comprehensive income (loss)								0
Ending balance				0				0
AFS | Accounting Standards Update 2016-01
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes											(26)
Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance	(25)		16	28		$ 4	16	4
Other comprehensive income (loss) before reclassifications	33			1			(1)	24
Reclassifications from accumulated other comprehensive income to net income	(3)			(9)			(8)	(8)
Other comprehensive income (loss)	30			(8)			(9)	16
Ending balance	5	(25)		$ 20	$ 28		5	$ 20
Derivatives | Accounting Standards Update 2018-02
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes										(2)
Derivatives | Accounting Standards Update 2016-01
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes											$ 0
Pension Plan and SERP Liability
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning balance	3		$ 3				3
Other comprehensive income (loss) before reclassifications	0						0
Reclassifications from accumulated other comprehensive income to net income	0						0
Other comprehensive income (loss)	0						0
Ending balance	$ 3	$ 3					$ 3
Pension Plan and SERP Liability | Accounting Standards Update 2018-02
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Cumulative effect of accounting changes										$ 0

Noncontrolling Interest (Detail

Noncontrolling Interest (Details) - The Tribune Company - The Food Network and Cooking Channel	Mar. 06, 2018
Noncontrolling Interest [Line Items]
Voting interests percentage by parent	80.00%
Ownership percentage by parent	68.70%

Revenues - Revenue Recognition

Revenues - Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 2,678	$ 2,592	$ 8,270	$ 7,744
Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,413	1,365	4,447	3,940
Distribution
Disaggregation of Revenue [Line Items]
Revenues	1,201	1,152	3,631	3,389
Other
Disaggregation of Revenue [Line Items]
Revenues	64	75	192	415
Operating Segments | U.S. Networks
Disaggregation of Revenue [Line Items]
Revenues	1,725	1,674	5,340	4,628
Operating Segments | U.S. Networks | Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,019	991	3,194	2,708
Operating Segments | U.S. Networks | Distribution
Disaggregation of Revenue [Line Items]
Revenues	681	644	2,066	1,812
Operating Segments | U.S. Networks | Other
Disaggregation of Revenue [Line Items]
Revenues	25	39	80	108
Operating Segments | International Networks
Disaggregation of Revenue [Line Items]
Revenues	950	916	2,922	3,065
Operating Segments | International Networks | Advertising
Disaggregation of Revenue [Line Items]
Revenues	394	374	1,253	1,232
Operating Segments | International Networks | Distribution
Disaggregation of Revenue [Line Items]
Revenues	520	508	1,565	1,577
Operating Segments | International Networks | Other
Disaggregation of Revenue [Line Items]
Revenues	36	34	104	256
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenues	3	2	8	51
Operating Segments | Other | Advertising
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Operating Segments | Other | Distribution
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Operating Segments | Other | Other
Disaggregation of Revenue [Line Items]
Revenues	3	2	8	51
Corporate and inter-segment eliminations
Disaggregation of Revenue [Line Items]
Revenues	$ (9)	$ (15)	$ (23)	$ (25)

Revenues - Transaction Price Al

Revenues - Transaction Price Allocated to Remaining Performance Obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01 $ in Millions	Sep. 30, 2019USD ($)
Distribution
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 1,200
Remaining performance obligations, expected timing of satisfaction, period	5 years
Content Licensing Contracts
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 724
Remaining performance obligations, expected timing of satisfaction, period	6 years
Brand Licensing Contracts
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 80
Remaining performance obligations, expected timing of satisfaction, period	12 years

Revenues - Contract Balances (D

Revenues - Contract Balances (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Apr. 30, 2018	Mar. 06, 2018
Accounts receivable
Beginning of period		$ 2,620	$ 1,838
Additions		8,492	8,655
Reductions		(8,419)	(7,906)
Foreign Currency		2	(9)
End of period	$ 2,695	2,695	2,578
Deferred revenues, Current:
Beginning of period		249	255
Additions		1,006	1,004
Reductions		(870)	(946)
Foreign Currency		(1)	(9)
End of period	384	384	304
Deferred revenues, Long term:
Beginning of period		120	109
Additions		67	37
Reductions		(13)	(47)
Foreign Currency		(3)	0
End of period	171	171	99
Accounts receivable	2,695	2,620	$ 1,838	$ 2,695
Revenue recognized related to the contract liability (deferred revenues)	50	194
2019 Acquisitions
Accounts receivable
End of period	10	10
Deferred revenues, Long term:
Accounts receivable	$ 10	$ 10		10
Deferred revenue				$ 22
Scripps Networks
Deferred revenues, Long term:
Accounts receivable						$ 783
Deferred revenue						$ 116
Education Business
Deferred revenues, Long term:
Accounts receivable					$ 32
Deferred revenue					$ 74

Share-based Compensation (Equit

Share-based Compensation (Equity-Based Compensation Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 13	$ 43	$ 82	$ 92
Tax benefit recognized	2	10	10	21
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	2	13	25	29
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	12	8	28	21
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	8	8	25	15
SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ (9)	$ 14	$ 4	$ 27

Share-based Compensation (Liabi

Share-based Compensation (Liability Classified) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total liability-classified share-based compensation award liability	$ 58	$ 54
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Current portion of liability-classified awards	22	21
Non-current portion of liability-classified awards	21	22
SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Current portion of liability-classified awards	5	2
Non-current portion of liability-classified awards	8	9
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-current portion of liability-classified awards	$ 2	$ 0

Share-based Compensation (Award

Share-based Compensation (Awards Granted and Converted During Period) (Details) shares in Millions	9 Months Ended
	Sep. 30, 2019$ / sharesshares
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted, Awards (in shares) | shares	0.5
Awards converted or settled, Awards (in shares) | shares	1.1
Awards granted, Weighted-Average Grant Price (in dollars per share) | $ / shares	$ 28.62
Awards converted or settled, Weighted-Average Grant Price (in dollars per share) | $ / shares	$ 33.31
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted, Awards (in shares) | shares	3.1
Awards converted or settled, Awards (in shares) | shares	0.8
Awards granted, Weighted-Average Grant Price (in dollars per share) | $ / shares	$ 29.03
Awards converted or settled, Weighted-Average Grant Price (in dollars per share) | $ / shares	$ 28.19
SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards converted or settled, Awards (in shares) | shares	0.9
Awards converted or settled, Weighted-Average Grant Price (in dollars per share) | $ / shares	$ 22.39

Share-based Compensation (Stock

Share-based Compensation (Stock Options Rollforward) (Details) - Stock options - $ / shares shares in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Stock Options
Options outstanding as of the beginning of the period (in shares)	21.1
Granted (in shares)	2.1
Options exercised (in shares)	(0.6)
Forfeited/cancelled (in shares)	(0.8)
Options outstanding as of the end of the period (in shares)	21.8
Weighted-Average Exercise Price
Outstanding as of beginning of the period (in dollars per share)		$ 28.86
Granted (in dollars per share)	$ 31.01
Exercised (in dollars per share)	24.32
Forfeited/cancelled (in dollars per share)	$ 29.50

Share-based Compensation (Unrec

Share-based Compensation (Unrecognized Compensation Cost) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 310
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 197
Weighted-Average Amortization Period (years)	3 years 6 months 18 days
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 9
Weighted-Average Amortization Period (years)	10 months 2 days
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 97
Weighted-Average Amortization Period (years)	3 years 4 months 9 days
SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	$ 7
Weighted-Average Amortization Period (years)	11 months 15 days

Income Taxes (Schedule Of Incom

Income Taxes (Schedule Of Income Tax Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S. federal statutory income tax provision	$ 93	$ 37	$ 363	$ 111
State and local income taxes, net of federal tax benefit	16	10	53	15
Effect of foreign operations	23	(5)	58	10
Change in uncertain tax positions	(4)	3	6	29
Legal entity restructuring, deferred tax impact	(2)	0	(457)	0
Renewable energy investments tax credits (See Note 3)	(1)	(1)	(1)	(3)
Noncontrolling interest adjustment	(10)	(3)	(38)	(7)
Impairment of goodwill	26	0	26	0
U.S. legislative changes	0	1	0	(18)
Transaction costs	0	2	0	9
Other, net	6	(1)	19	0
Income tax expense	$ 147	$ 43	$ 29	$ 146
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax provision	21.00%	21.00%	21.00%	21.00%
State and local income taxes, net of federal tax benefit	3.00%	5.00%	3.00%	3.00%
Effect of foreign operations	5.00%	(3.00%)	3.00%	2.00%
Change in uncertain tax positions	(1.00%)	2.00%	0.00%	5.00%
Legal entity restructuring, deferred tax impact	0.00%	0.00%	(26.00%)	0.00%
Renewable energy investments tax credits (See Note 3)	0.00%	0.00%	0.00%	(1.00%)
Noncontrolling interest adjustment	(2.00%)	(2.00%)	(2.00%)	(1.00%)
Impairment of goodwill	6.00%	0.00%	2.00%	0.00%
U.S. legislative changes	0.00%	0.00%	0.00%	(3.00%)
Transaction costs	0.00%	1.00%	0.00%	2.00%
Other, net	1.00%	0.00%	1.00%	0.00%
Income tax expense	33.00%	24.00%	2.00%	28.00%

Income Taxes (Narrative) (Detai

Income Taxes (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
Non-cash deferred Income tax benefit	$ 457
Unrecognized tax benefits	425	$ 378
Unrecognized tax benefits, decreases resulting from current period tax positions	146
Unrecognized tax benefits, income tax penalties and interest accrued	$ 77	$ 51

Earnings Per Share (Narrative)

Earnings Per Share (Narrative) (Details)	3 Months Ended
	Sep. 30, 2019shares
Series A Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Common stock, conversion basis (in shares)	9
Series C Convertible Preferred Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Common stock, conversion basis (in shares)	19.3648
Series C-1 Convertible Preferred Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Conversion of stock, shares converted (in shares)	645,502
Series C Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Conversion of stock, shares issued (in shares)	12,500,000

Earnings Per Share (Calculated

Earnings Per Share (Calculated Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income	$ 297	$ 135	$ 1,702	$ 382
Less:
Net income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Net income attributable to redeemable noncontrolling interests	(6)	(5)	(15)	(16)
Redeemable noncontrolling interest adjustments to redemption value	(12)	0	(16)	(6)
Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share	225	105	1,420	285
Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share:
Total	225	105	1,420	285
Series A-1 Convertible Preferred Stock
Less:
Allocation of undistributed income to Series A-1 convertible preferred stock	(25)	(12)	(157)	(34)
Add:
Allocation of undistributed income to Series A-1 convertible preferred stockholders	25	12	157	34
Series A, B and C Common Stock and C1 Preferred Stock
Less:
Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share	225	105	1,420	285
Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share:
Total	225	105	1,420	285
Series A, B and C Common Stock
Less:
Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share	188	86	1,173	231
Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share:
Total	188	86	1,173	231
Add:
Net income allocated to Discovery, Inc. Series A, B and C common stockholders for diluted net income per share	$ 250	$ 117	$ 1,577	$ 319
Denominator — weighted average:
Series A, B and C common shares outstanding — basic (in shares)	535	523	529	490
Impact of assumed preferred stock conversion (in shares)	175	187	182	187
Dilutive effect of share-based awards (in shares)	3	3	3	2
Series A, B and C common shares outstanding — diluted (in shares)	713	713	714	679
Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders:
Basic net income (loss) per share (in dollars per share)	$ 0.35	$ 0.16	$ 2.22	$ 0.47
Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders:
Diluted net income (loss) per share (in dollars per share)	$ 0.35	$ 0.16	$ 2.21	$ 0.47
Series C-1 Convertible Preferred Stock
Less:
Net income allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders for basic net income per share	$ 37	$ 19	$ 247	$ 54
Allocation of net income to Discovery, Inc. Series A, B and C common stockholders and Series C-1 convertible preferred stockholders for basic net income per share:
Total	$ 37	$ 19	$ 247	$ 54
Denominator — weighted average:
Series C-1 convertible preferred stock outstanding — basic and diluted (in shares)	5	6	6	6
Basic net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders:
Basic net income (loss) per share (in dollars per share)	$ 6.82	$ 3.19	$ 42.94	$ 9.13
Diluted net income per share allocated to Discovery, Inc. Series A, B and C common and Series C-1 convertible preferred stockholders:
Diluted net income (loss) per share (in dollars per share)	$ 6.80	$ 3.18	$ 42.77	$ 9.10

Earnings Per Share (Schedule of

Earnings Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Anti-dilutive share-based awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share (in shares)	18	16	18	13
PRSUs whose performance targets have not been achieved
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share (in shares)	2	2	2	2

Supplemental Disclosures (Sched

Supplemental Disclosures (Schedule of Other Expense, net) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disclosure Text Block Supplement [Abstract]
Foreign currency income (losses), net	$ 27	$ (8)	$ 20	$ (59)
(Losses) gains on derivative instruments, net	(22)	1	(45)	11
Change in the value of common stock investments with readily determinable fair value	(15)	(1)	(32)	(44)
Gain on sale of equity method investments	0	0	10	0
Remeasurement gain on previously held equity interest	0	0	14	0
Interest income	9	0	18	15
Other (expense) income, net	0	(7)	5	(7)
Total other expense, net	$ (1)	$ (15)	$ (10)	$ (84)

Supplemental Disclosures (Sch_2

Supplemental Disclosures (Schedule of Supplemental Cash Flow Information) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disclosure Text Block Supplement [Abstract]
Cash paid for taxes, net	$ 499	$ 290
Cash paid for interest, net	541	576
Non-cash investing and financing activities:
Equity issued for the acquisition of Scripps Networks (in shares)	0	3,218
Disposal of UKTV investment and acquisition of Lifestyle Business	291	0
Accrued purchases of property and equipment	41	36
Assets acquired under finance lease arrangements	$ 13	$ 51

Related Party Transactions (Nar

Related Party Transactions (Narrative) (Details) - Board of Directors Chairman	Sep. 30, 2019
Liberty Global
Related Party Transaction [Line Items]
Aggregate voting power percentage of a related party	27.00%
Liberty Broadband
Related Party Transaction [Line Items]
Aggregate voting power percentage of a related party	48.00%

Related Party Transactions (Sch

Related Party Transactions (Schedule of Related Party Transactions, Revenues and Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Related Party Transaction [Line Items]
Total revenues and service charges	$ 230	$ 279	$ 750	$ 711
Interest income	0	2	1	4
Expenses	(44)	(87)	(304)	(269)
Liberty Group
Related Party Transaction [Line Items]
Total revenues and service charges	154	165	505	472
Equity method investees
Related Party Transaction [Line Items]
Total revenues and service charges	61	101	203	189
Other
Related Party Transaction [Line Items]
Total revenues and service charges	$ 15	$ 13	$ 42	$ 50

Related Party Transactions (S_2

Related Party Transactions (Schedule of Related Party Transactions, Receivables) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Related Party Transactions [Abstract]
Receivables	$ 139	$ 167
Note receivable	$ 0	$ 94

Commitments, Contingencies, a_2

Commitments, Contingencies, and Guarantees - Contingencies (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Other Commitments [Line Items]
Guarantor obligations, current carrying value	$ 0	$ 0
Material amounts for indemnifications or other contingencies	0	0
Scripps Networks
Other Commitments [Line Items]
Liability recorded as a measurement period adjustment		$ 40,000,000
Decrease in selling, general and administrative expenses	$ (29,000,000)

Reportable Segments (Schedule o

Reportable Segments (Schedule of Revenues by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Total revenues	$ 2,678	$ 2,592	$ 8,270	$ 7,744
Operating Segments | U.S. Networks
Segment Reporting Information [Line Items]
Total revenues	1,725	1,674	5,340	4,628
Operating Segments | International Networks
Segment Reporting Information [Line Items]
Total revenues	950	916	2,922	3,065
Operating Segments | Other
Segment Reporting Information [Line Items]
Total revenues	3	3	8	52
Corporate and inter-segment eliminations
Segment Reporting Information [Line Items]
Total revenues	$ 0	$ (1)	$ 0	$ (1)

Reportable Segments (Schedule_2

Reportable Segments (Schedule of Adjusted OIBDA by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	$ 1,126	$ 1,060	$ 3,566	$ 2,991
Operating Segments | U.S. Networks
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	1,005	901	3,192	2,536
Operating Segments | International Networks
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	237	254	742	727
Operating Segments | Other
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	1	0	3	3
Corporate and inter-segment eliminations
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	$ (117)	$ (95)	$ (371)	$ (275)

Reportable Segments (Schedule_3

Reportable Segments (Schedule of Reconciliation of Adjusted OIBDA to Net Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting [Abstract]
Net income available to Discovery, Inc.	$ 262	$ 117	$ 1,593	$ 325
Net income attributable to redeemable noncontrolling interests	6	5	15	16
Net income attributable to noncontrolling interests	29	13	94	41
Income tax expense	147	43	29	146
Income before income taxes	444	178	1,731	528
Other expense, net	1	15	10	84
Loss (income) from equity investees, net	11	(9)	20	53
Loss on extinguishment of debt	0	0	28	0
Interest expense, net	163	185	515	558
Operating income	619	369	2,304	1,223
Gain on disposition	0	0	0	(84)
Restructuring and other charges	8	224	20	652
Depreciation and amortization	322	398	1,014	1,001
Impairment of goodwill	155	0	155	0
Employee share-based compensation	11	43	80	92
Transaction and integration costs	11	26	22	107
Settlement of a withholding tax claim	0	0	(29)	0
Total Adjusted OIBDA	$ 1,126	$ 1,060	$ 3,566	$ 2,991

Reportable Segments (Schedule_4

Reportable Segments (Schedule of Total Assets by Segment) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total assets	$ 32,825	$ 32,550
Operating Segments | U.S. Networks
Segment Reporting Information [Line Items]
Total assets	18,420	18,683
Operating Segments | International Networks
Segment Reporting Information [Line Items]
Total assets	7,534	7,208
Operating Segments | Other
Segment Reporting Information [Line Items]
Total assets	173	227
Corporate and inter-segment eliminations
Segment Reporting Information [Line Items]
Total assets	$ 6,698	$ 6,432

Restructuring and Other Charg_3

Restructuring and Other Charges (By Reporting Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Restructuring and other charges	$ 8	$ 224	$ 20	$ 652
U.S. Networks
Segment Reporting Information [Line Items]
Restructuring and other charges	4	206
International Networks
Segment Reporting Information [Line Items]
Restructuring and other charges	5	16
Education and Other
Segment Reporting Information [Line Items]
Restructuring and other charges	0	0
Corporate Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Restructuring and other charges	$ (1)	$ 2
Operating Segments | U.S. Networks
Segment Reporting Information [Line Items]
Restructuring and other charges			11	259
Operating Segments | International Networks
Segment Reporting Information [Line Items]
Restructuring and other charges			15	262
Operating Segments | Education and Other
Segment Reporting Information [Line Items]
Restructuring and other charges			0	1
Corporate and inter-segment eliminations
Segment Reporting Information [Line Items]
Restructuring and other charges			$ (6)	$ 130

Restructuring And Other Charg_4

Restructuring And Other Charges (Total Restructuring and Other Charges) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring and Related Activities [Abstract]
Restructuring charges	$ 8	$ 63	$ 20	$ 314
Other charges	0	161	0	338
Total restructuring and other charges	$ 8	$ 224	$ 20	$ 652

Restructuring and Other Charg_5

Restructuring and Other Charges (Liabilities) (Details) - USD ($) $ in Millions	Jan. 01, 2019	Sep. 30, 2019
Restructuring Reserve
Beginning balance	$ 108	$ 108
Net contract termination accruals		(6)
Net employee relocation/termination accruals		20
Cash paid		(74)
Ending balance		48
Operating lease right-of-use assets		360
Corporate and inter-segment eliminations
Restructuring Reserve
Beginning balance	46	46
Net contract termination accruals		(6)
Net employee relocation/termination accruals		(6)
Cash paid		(20)
Ending balance		14
U.S. Networks | Operating Segments
Restructuring Reserve
Beginning balance	16	16
Net contract termination accruals		0
Net employee relocation/termination accruals		11
Cash paid		(19)
Ending balance		8
International Networks | Operating Segments
Restructuring Reserve
Beginning balance	46	46
Net contract termination accruals		0
Net employee relocation/termination accruals		15
Cash paid		(35)
Ending balance		$ 26
Accounting Standards Update 2016-02
Restructuring Reserve
Operating lease right-of-use assets	342
Accrued liabilities | Accounting Standards Update 2016-02 | Corporate and inter-segment eliminations
Restructuring Reserve
Net contract termination accruals	(1)
Operating lease right-of-use assets	1
Other noncurrent liabilities | Accounting Standards Update 2016-02 | Corporate and inter-segment eliminations
Restructuring Reserve
Net contract termination accruals	(5)
Operating lease right-of-use assets	$ 5

Condensed Consolidating Finan_3

Condensed Consolidating Financial Statements (Narrative) (Details) - USD ($) $ in Millions	Apr. 03, 2018	Sep. 30, 2019	Jun. 30, 2018	Mar. 06, 2018
Scripps Senior Notes | Senior Notes
Business Acquisition [Line Items]
Debt conversion, original debt, amount	$ 2,300
Scripps Senior Notes | Senior Notes | Scripps Networks
Business Acquisition [Line Items]
Principal amount of liabilities assumed				$ 2,500
Un-exchanged Scripps Senior Notes | Senior Notes | Scripps Networks
Business Acquisition [Line Items]
Principal amount of liabilities assumed			$ 135
DCL
Business Acquisition [Line Items]
Direct ownership percentage in Discovery Communications Holding, LLC		33.30%
Indirect ownership percentage in Discovery Communications Holding, LLC		66.70%

Condensed Consolidating Finan_4

Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 813			$ 986
Receivables, net	2,695			2,620
Content rights, net	442			313
Prepaid expenses and other current assets	363			312
Total current assets	4,313			4,231
Noncurrent content rights, net	3,095			3,069
Goodwill, net	12,977			13,006
Intangible assets, net	8,880			9,674
Equity method investments, including note receivable (See Note 3)	529			935
Other noncurrent assets	2,175			835
Total assets	32,825			32,550
Current liabilities:
Current portion of debt	611			1,819
Total current liabilities	2,837			3,997
Noncurrent portion of debt	14,757			14,974
Deferred income taxes	1,624			1,811
Other noncurrent liabilities	2,028			1,251
Total liabilities	21,246			22,033
Redeemable noncontrolling interests	446			415
Total Discovery, Inc. stockholders' equity	9,518			8,386
Noncontrolling interests	1,615			1,716
Total equity	11,133	$ 11,221	$ 10,300	10,102	$ 9,819	$ 9,626	$ 9,594	$ 4,610
Total liabilities and equity	32,825			32,550
Reclassifications and Eliminations
Current assets:
Cash and cash equivalents	0			0
Receivables, net	0			0
Content rights, net	0			0
Prepaid expenses and other current assets	(14)			0
Inter-company trade receivables, net	(294)			(151)
Total current assets	(308)			(151)
Investment in and advances to subsidiaries	(29,636)			(27,905)
Noncurrent content rights, net	0			0
Goodwill, net	0			0
Intangible assets, net	0			0
Equity method investments, including note receivable (See Note 3)	0			0
Other noncurrent assets	(20)			(20)
Total assets	(29,964)			(28,076)
Current liabilities:
Current portion of debt	0			0
Other current liabilities	(14)			0
Inter-company trade payables, net	(294)			(151)
Total current liabilities	(308)			(151)
Noncurrent portion of debt	0			0
Negative carrying amount in subsidiaries, net	(5,676)			(8,610)
Other noncurrent liabilities	(20)			(20)
Total liabilities	(6,004)			(8,781)
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	(25,575)			(21,011)
Noncontrolling interests	1,615			1,716
Total equity	(23,960)			(19,295)
Total liabilities and equity	(29,964)			(28,076)
Discovery | Reportable Legal Entities
Current assets:
Cash and cash equivalents	0			0
Receivables, net	0			0
Content rights, net	0			0
Prepaid expenses and other current assets	0			21
Inter-company trade receivables, net	0			0
Total current assets	0			21
Investment in and advances to subsidiaries	9,520			8,367
Noncurrent content rights, net	0			0
Goodwill, net	0			0
Intangible assets, net	0			0
Equity method investments, including note receivable (See Note 3)	0			0
Other noncurrent assets	0			0
Total assets	9,520			8,388
Current liabilities:
Current portion of debt	0			0
Other current liabilities	0			0
Inter-company trade payables, net	0			0
Total current liabilities	0			0
Noncurrent portion of debt	0			0
Negative carrying amount in subsidiaries, net	0			0
Other noncurrent liabilities	2			2
Total liabilities	2			2
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	9,518			8,386
Noncontrolling interests	0			0
Total equity	9,518			8,386
Total liabilities and equity	9,520			8,388
Scripps Networks | Reportable Legal Entities
Current assets:
Cash and cash equivalents	30			315
Receivables, net	0			0
Content rights, net	0			0
Prepaid expenses and other current assets	2			18
Inter-company trade receivables, net	32			0
Total current assets	64			333
Investment in and advances to subsidiaries	13,352			13,248
Noncurrent content rights, net	0			0
Goodwill, net	0			0
Intangible assets, net	0			0
Equity method investments, including note receivable (See Note 3)	0			94
Other noncurrent assets	53			35
Total assets	13,469			13,710
Current liabilities:
Current portion of debt	58			106
Other current liabilities	19			30
Inter-company trade payables, net	0			0
Total current liabilities	77			136
Noncurrent portion of debt	77			134
Negative carrying amount in subsidiaries, net	0			0
Other noncurrent liabilities	58			56
Total liabilities	212			326
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	13,257			13,384
Noncontrolling interests	0			0
Total equity	13,257			13,384
Total liabilities and equity	13,469			13,710
DCH | Reportable Legal Entities
Current assets:
Cash and cash equivalents	0			0
Receivables, net	0			0
Content rights, net	0			0
Prepaid expenses and other current assets	19			22
Inter-company trade receivables, net	0			0
Total current assets	19			22
Investment in and advances to subsidiaries	0			0
Noncurrent content rights, net	0			0
Goodwill, net	0			0
Intangible assets, net	0			0
Equity method investments, including note receivable (See Note 3)	0			0
Other noncurrent assets	20			20
Total assets	39			42
Current liabilities:
Current portion of debt	0			0
Other current liabilities	0			0
Inter-company trade payables, net	0			0
Total current liabilities	0			0
Noncurrent portion of debt	0			0
Negative carrying amount in subsidiaries, net	3,420			5,183
Other noncurrent liabilities	2			0
Total liabilities	3,422			5,183
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	(3,383)			(5,141)
Noncontrolling interests	0			0
Total equity	(3,383)			(5,141)
Total liabilities and equity	39			42
DCL | Reportable Legal Entities
Current assets:
Cash and cash equivalents	380			61
Receivables, net	478			405
Content rights, net	2			1
Prepaid expenses and other current assets	69			49
Inter-company trade receivables, net	0			151
Total current assets	929			667
Investment in and advances to subsidiaries	6,764			6,290
Noncurrent content rights, net	667			607
Goodwill, net	3,677			3,678
Intangible assets, net	234			246
Equity method investments, including note receivable (See Note 3)	17			23
Other noncurrent assets	1,071			537
Total assets	13,359			12,048
Current liabilities:
Current portion of debt	541			1,701
Other current liabilities	406			402
Inter-company trade payables, net	69			0
Total current liabilities	1,016			2,103
Noncurrent portion of debt	14,677			14,606
Negative carrying amount in subsidiaries, net	0			0
Other noncurrent liabilities	1,086			522
Total liabilities	16,779			17,231
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	(3,420)			(5,183)
Noncontrolling interests	0			0
Total equity	(3,420)			(5,183)
Total liabilities and equity	13,359			12,048
Non-Guarantor Subsidiaries of DCL | Reportable Legal Entities
Current assets:
Cash and cash equivalents	209			475
Receivables, net	1,398			1,305
Content rights, net	378			250
Prepaid expenses and other current assets	163			134
Inter-company trade receivables, net	0			0
Total current assets	2,148			2,164
Investment in and advances to subsidiaries	0			0
Noncurrent content rights, net	1,463			1,501
Goodwill, net	3,153			3,298
Intangible assets, net	1,140			1,261
Equity method investments, including note receivable (See Note 3)	273			291
Other noncurrent assets	1,361			607
Total assets	9,538			9,122
Current liabilities:
Current portion of debt	12			12
Other current liabilities	1,289			1,266
Inter-company trade payables, net	193			151
Total current liabilities	1,494			1,429
Noncurrent portion of debt	3			234
Negative carrying amount in subsidiaries, net	0			0
Other noncurrent liabilities	831			754
Total liabilities	2,328			2,417
Redeemable noncontrolling interests	446			415
Total Discovery, Inc. stockholders' equity	6,764			6,290
Noncontrolling interests	0			0
Total equity	6,764			6,290
Total liabilities and equity	9,538			9,122
Other Non- Guarantor Subsidiaries of Discovery | Reportable Legal Entities
Current assets:
Cash and cash equivalents	194			135
Receivables, net	819			910
Content rights, net	62			62
Prepaid expenses and other current assets	124			68
Inter-company trade receivables, net	262			0
Total current assets	1,461			1,175
Investment in and advances to subsidiaries	0			0
Noncurrent content rights, net	965			961
Goodwill, net	6,147			6,030
Intangible assets, net	7,506			8,167
Equity method investments, including note receivable (See Note 3)	239			527
Other noncurrent assets	546			456
Total assets	16,864			17,316
Current liabilities:
Current portion of debt	0			0
Other current liabilities	526			480
Inter-company trade payables, net	32			0
Total current liabilities	558			480
Noncurrent portion of debt	0			0
Negative carrying amount in subsidiaries, net	2,256			3,427
Other noncurrent liabilities	1,693			1,748
Total liabilities	4,507			5,655
Redeemable noncontrolling interests	0			0
Total Discovery, Inc. stockholders' equity	12,357			11,661
Noncontrolling interests	0			0
Total equity	12,357			11,661
Total liabilities and equity	16,864			17,316
Discovery and Subsidiaries
Current assets:
Cash and cash equivalents	813			986
Receivables, net	2,695			2,620
Content rights, net	442			313
Prepaid expenses and other current assets	363			312
Inter-company trade receivables, net	0			0
Total current assets	4,313			4,231
Investment in and advances to subsidiaries	0			0
Noncurrent content rights, net	3,095			3,069
Goodwill, net	12,977			13,006
Intangible assets, net	8,880			9,674
Equity method investments, including note receivable (See Note 3)	529			935
Other noncurrent assets	3,031			1,635
Total assets	32,825			32,550
Current liabilities:
Current portion of debt	611			1,819
Other current liabilities	2,226			2,178
Inter-company trade payables, net	0			0
Total current liabilities	2,837			3,997
Noncurrent portion of debt	14,757			14,974
Negative carrying amount in subsidiaries, net	0			0
Other noncurrent liabilities	3,652			3,062
Total liabilities	21,246			22,033
Redeemable noncontrolling interests	446			415
Total Discovery, Inc. stockholders' equity	9,518			8,386
Noncontrolling interests	1,615			1,716
Total equity	11,133			10,102
Total liabilities and equity	$ 32,825			$ 32,550

Condensed Consolidating Finan_5

Condensed Consolidating Financial Statements (Condensed Consolidating Statement of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Income Statements, Captions [Line Items]
Revenues	$ 2,678	$ 2,592	$ 8,270	$ 7,744
Costs of revenues, excluding depreciation and amortization	914	934	2,782	2,989
Selling, general and administrative	660	667	1,995	1,963
Depreciation and amortization	322	398	1,014	1,001
Impairment of goodwill	155	0	155	0
Restructuring and other charges	8	224	20	652
Gain on disposition	0	0	0	(84)
Total costs and expenses	2,059	2,223	5,966	6,521
Operating income	619	369	2,304	1,223
Interest expense, net	(163)	(185)	(515)	(558)
Loss on extinguishment of debt	0	0	(28)	0
Loss (income) from equity investees, net	(11)	9	(20)	(53)
Other income (expense), net	(1)	(15)	(10)	(84)
Income before income taxes	444	178	1,731	528
Income tax benefit (expense)	(147)	(43)	(29)	(146)
Net income	297	135	1,702	382
Net income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Net income attributable to redeemable noncontrolling interests	(6)	(5)	(15)	(16)
Net income available to Discovery, Inc.	262	117	1,593	325
Reclassifications and Eliminations
Condensed Income Statements, Captions [Line Items]
Revenues	(9)	(15)	(23)	(25)
Costs of revenues, excluding depreciation and amortization	(5)	(10)	(13)	(12)
Selling, general and administrative	(5)	(5)	(10)	(13)
Depreciation and amortization	0	0	0	0
Impairment of goodwill	0		0
Restructuring and other charges	0	2	0	0
Gain on disposition				0
Total costs and expenses	(10)	(13)	(23)	(25)
Operating income	1	(2)	0	0
Equity in earnings (loss) of subsidiaries	(661)	(430)	(4,639)	(1,144)
Interest expense, net	0	0	0	0
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	0	0	0	0
Other income (expense), net	0	1	0	0
Income before income taxes	(660)	(431)	(4,639)	(1,144)
Income tax benefit (expense)	0	0	0	0
Net income	(660)	(431)	(4,639)	(1,144)
Net income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Net income attributable to redeemable noncontrolling interests	(6)	(5)	(15)	(16)
Net income available to Discovery, Inc.	(695)	(449)	(4,748)	(1,201)
Discovery | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs of revenues, excluding depreciation and amortization	0	0	0	0
Selling, general and administrative	6	5	18	36
Depreciation and amortization	0	0	0	0
Impairment of goodwill	0		0
Restructuring and other charges	0	(1)	0	8
Gain on disposition				0
Total costs and expenses	6	4	18	44
Operating income	(6)	(4)	(18)	(44)
Equity in earnings (loss) of subsidiaries	267	121	1,607	360
Interest expense, net	0	0	0	0
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	0	0	0	0
Other income (expense), net	0	0	0	0
Income before income taxes	261	117	1,589	316
Income tax benefit (expense)	1	0	4	9
Net income	262	117	1,593	325
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	262	117	1,593	325
Scripps Networks | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs of revenues, excluding depreciation and amortization	0	0	0	0
Selling, general and administrative	(1)	0	0	0
Depreciation and amortization	0	1	0	1
Impairment of goodwill	0		0
Restructuring and other charges	0	0	0	0
Gain on disposition				0
Total costs and expenses	(1)	1	0	1
Operating income	1	(1)	0	(1)
Equity in earnings (loss) of subsidiaries	230	12	645	50
Interest expense, net	(4)	(2)	(4)	(6)
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	0	0	0	0
Other income (expense), net	(8)	8	0	10
Income before income taxes	219	17	641	53
Income tax benefit (expense)	3	0	1	0
Net income	222	17	642	53
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	222	17	642	53
DCH | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs of revenues, excluding depreciation and amortization	0	0	0	0
Selling, general and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Impairment of goodwill	0		0
Restructuring and other charges	0	0	0	0
Gain on disposition				0
Total costs and expenses	0	0	0	0
Operating income	0	0	0	0
Equity in earnings (loss) of subsidiaries	96	102	1,001	327
Interest expense, net	0	0	0	0
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	0	0	0	0
Other income (expense), net	0	0	0	0
Income before income taxes	96	102	1,001	327
Income tax benefit (expense)	0	0	0	0
Net income	96	102	1,001	327
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	96	102	1,001	327
DCL | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	520	487	1,567	1,481
Costs of revenues, excluding depreciation and amortization	105	118	310	332
Selling, general and administrative	113	119	276	286
Depreciation and amortization	13	13	36	41
Impairment of goodwill	0		0
Restructuring and other charges	6	56	6	115
Gain on disposition				0
Total costs and expenses	237	306	628	774
Operating income	283	181	939	707
Equity in earnings (loss) of subsidiaries	5	127	719	189
Interest expense, net	(165)	(180)	(515)	(525)
Loss on extinguishment of debt			(28)
Loss (income) from equity investees, net	0	2	(2)	3
Other income (expense), net	8	(14)	1	35
Income before income taxes	131	116	1,114	409
Income tax benefit (expense)	(35)	(14)	(113)	(82)
Net income	96	102	1,001	327
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	96	102	1,001	327
Non-Guarantor Subsidiaries of DCL | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	1,295	1,267	3,953	4,201
Costs of revenues, excluding depreciation and amortization	565	542	1,726	2,001
Selling, general and administrative	411	386	1,294	1,239
Depreciation and amortization	75	87	236	280
Impairment of goodwill	155		155
Restructuring and other charges	5	87	17	322
Gain on disposition				(84)
Total costs and expenses	1,211	1,102	3,428	3,758
Operating income	84	165	525	443
Equity in earnings (loss) of subsidiaries	0	0	0	0
Interest expense, net	7	(4)	5	(26)
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	(17)	1	(45)	(76)
Other income (expense), net	(5)	(8)	(19)	(86)
Income before income taxes	69	154	466	255
Income tax benefit (expense)	(58)	(22)	268	(50)
Net income	11	132	734	205
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	11	132	734	205
Other Non- Guarantor Subsidiaries of Discovery | Reportable Legal Entities
Condensed Income Statements, Captions [Line Items]
Revenues	872	853	2,773	2,087
Costs of revenues, excluding depreciation and amortization	249	284	759	668
Selling, general and administrative	136	162	417	415
Depreciation and amortization	234	297	742	679
Impairment of goodwill	0		0
Restructuring and other charges	(3)	80	(3)	207
Gain on disposition				0
Total costs and expenses	616	823	1,915	1,969
Operating income	256	30	858	118
Equity in earnings (loss) of subsidiaries	63	68	667	218
Interest expense, net	(1)	1	(1)	(1)
Loss on extinguishment of debt			0
Loss (income) from equity investees, net	6	6	27	20
Other income (expense), net	4	(2)	8	(43)
Income before income taxes	328	103	1,559	312
Income tax benefit (expense)	(58)	(7)	(189)	(23)
Net income	270	96	1,370	289
Net income attributable to noncontrolling interests	0	0	0	0
Net income attributable to redeemable noncontrolling interests	0	0	0	0
Net income available to Discovery, Inc.	270	96	1,370	289
Discovery and Subsidiaries
Condensed Income Statements, Captions [Line Items]
Revenues	2,678	2,592	8,270	7,744
Costs of revenues, excluding depreciation and amortization	914	934	2,782	2,989
Selling, general and administrative	660	667	1,995	1,963
Depreciation and amortization	322	398	1,014	1,001
Impairment of goodwill	155		155
Restructuring and other charges	8	224	20	652
Gain on disposition				(84)
Total costs and expenses	2,059	2,223	5,966	6,521
Operating income	619	369	2,304	1,223
Equity in earnings (loss) of subsidiaries	0	0	0	0
Interest expense, net	(163)	(185)	(515)	(558)
Loss on extinguishment of debt			(28)
Loss (income) from equity investees, net	(11)	9	(20)	(53)
Other income (expense), net	(1)	(15)	(10)	(84)
Income before income taxes	444	178	1,731	528
Income tax benefit (expense)	(147)	(43)	(29)	(146)
Net income	297	135	1,702	382
Net income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Net income attributable to redeemable noncontrolling interests	(6)	(5)	(15)	(16)
Net income available to Discovery, Inc.	$ 262	$ 117	$ 1,593	$ 325

Condensed Consolidating Finan_6

Condensed Consolidating Financial Statements (Condensed Consolidating Statement of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Statement of Income Captions [Line Items]
Net income	$ 297	$ 135	$ 1,702	$ 382
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(146)	34	(205)	(169)
Derivatives	30	(8)	(9)	16
Comprehensive income	181	161	1,488	229
Comprehensive income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Comprehensive income attributable to redeemable noncontrolling interests	(5)	(4)	(15)	(15)
Comprehensive income attributable to Discovery, Inc.	147	144	1,379	173
Reclassifications and Eliminations
Condensed Statement of Income Captions [Line Items]
Net income	(660)	(431)	(4,639)	(1,144)
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	383	(88)	593	376
Derivatives	(110)	29	33	(59)
Comprehensive income	(387)	(490)	(4,013)	(827)
Comprehensive income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Comprehensive income attributable to redeemable noncontrolling interests	(6)	(9)	(15)	(20)
Comprehensive income attributable to Discovery, Inc.	(422)	(512)	(4,122)	(888)
Discovery | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	262	117	1,593	325
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(146)	34	(205)	(169)
Derivatives	30	(8)	(9)	16
Comprehensive income	146	143	1,379	172
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	1	1	0	1
Comprehensive income attributable to Discovery, Inc.	147	144	1,379	173
Scripps Networks | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	222	17	642	53
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(101)	23	(104)	(154)
Derivatives	0	0	0	0
Comprehensive income	121	40	538	(101)
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	0	0	0	0
Comprehensive income attributable to Discovery, Inc.	121	40	538	(101)
DCH | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	96	102	1,001	327
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(45)	11	(101)	(15)
Derivatives	30	(8)	(9)	16
Comprehensive income	81	105	891	328
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	0	1	0	1
Comprehensive income attributable to Discovery, Inc.	81	106	891	329
DCL | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	96	102	1,001	327
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(45)	11	(101)	(15)
Derivatives	30	(8)	(9)	16
Comprehensive income	81	105	891	328
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	0	1	0	1
Comprehensive income attributable to Discovery, Inc.	81	106	891	329
Non-Guarantor Subsidiaries of DCL | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	11	132	734	205
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(61)	13	(116)	(28)
Derivatives	30	(8)	(9)	16
Comprehensive income	(20)	137	609	193
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	0	1	0	1
Comprehensive income attributable to Discovery, Inc.	(20)	138	609	194
Other Non- Guarantor Subsidiaries of Discovery | Reportable Legal Entities
Condensed Statement of Income Captions [Line Items]
Net income	270	96	1,370	289
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(131)	30	(171)	(164)
Derivatives	20	(5)	(6)	11
Comprehensive income	159	121	1,193	136
Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to redeemable noncontrolling interests	0	1	0	1
Comprehensive income attributable to Discovery, Inc.	159	122	1,193	137
Discovery and Subsidiaries
Condensed Statement of Income Captions [Line Items]
Net income	297	135	1,702	382
Other comprehensive income (loss) adjustments, net of tax:
Currency translation	(146)	34	(205)	(169)
Derivatives	30	(8)	(9)	16
Comprehensive income	181	161	1,488	229
Comprehensive income attributable to noncontrolling interests	(29)	(13)	(94)	(41)
Comprehensive income attributable to redeemable noncontrolling interests	(5)	(4)	(15)	(15)
Comprehensive income attributable to Discovery, Inc.	$ 147	$ 144	$ 1,379	$ 173

Condensed Consolidating Finan_7

Condensed Consolidating Financial Statements (Condensed Consolidating Statement of Cash Flows) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities
Cash (used in) provided by operating activities	$ 2,167	$ 1,647
Investing Activities
Business acquisitions, net of cash acquired	(60)	(8,565)
Payments for investments	(215)	(56)
Proceeds from dissolution of joint venture and sale of investments	117	0
Proceeds from dispositions, net of cash disposed	0	107
Proceeds from sale of assets	0	68
Purchases of property and equipment	(189)	(106)
Proceeds from derivative instruments, net	52	(3)
Inter-company distributions and other investing activities, net	4	6
Cash used in investing activities	(291)	(8,549)
Financing Activities
Commercial paper borrowings, net	0	293
Principal repayments of revolving credit facility	(225)	(100)
Borrowings under term loan facilities	0	2,000
Principal repayments of term loans	0	(2,000)
Principal repayments of finance lease obligations	(35)	(37)
Repurchases of stock	(300)	0
Share-based plan (payments) proceeds, net	(9)	44
(Repayments) borrowings under program financing line of credit, net	(8)	23
Payments for hedging instruments	(18)	0
Inter-company contributions (distributions) and other financing activities, net	3	(16)
Cash (used in) provided by financing activities	(1,992)	148
Effect of exchange rate changes on cash and cash equivalents	(57)	(24)
Net change in cash and cash equivalents	(173)	(6,778)
Cash and cash equivalents, beginning of period	986	7,309
Cash and cash equivalents, end of period	813	531
Reclassifications and Eliminations
Operating Activities
Cash (used in) provided by operating activities	0	0
Investing Activities
Business acquisitions, net of cash acquired	0	0
Investments in and advances to equity investments	0
Payments for investments		0
Proceeds from dissolution of joint venture and sale of investments	0
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	0	0
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	(75)	(8)
Cash used in investing activities	(75)	(8)
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	0
Principal repayments of finance lease obligations	0	0
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	0	0
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	0	0
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	75	8
Cash (used in) provided by financing activities	75	8
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Discovery | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	5	(68)
Investing Activities
Business acquisitions, net of cash acquired	0	(8,714)
Investments in and advances to equity investments	0
Payments for investments		0
Proceeds from dissolution of joint venture and sale of investments	0
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	0	0
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	0	0
Cash used in investing activities	0	(8,714)
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	0
Principal repayments of finance lease obligations	0	0
Repurchases of stock	(300)
Distributions to noncontrolling interests and redeemable noncontrolling interests	0	0
Share-based plan (payments) proceeds, net	(9)	44
(Repayments) borrowings under program financing line of credit, net	0	0
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	304	8,738
Cash (used in) provided by financing activities	(5)	8,782
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Scripps Networks | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	(13)	(39)
Investing Activities
Business acquisitions, net of cash acquired	0	54
Investments in and advances to equity investments	0
Payments for investments		0
Proceeds from dissolution of joint venture and sale of investments	60
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	0	0
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	0	8
Cash used in investing activities	60	62
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	(107)
Principal repayments of finance lease obligations	0	0
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	0	0
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	0	0
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	(225)	20
Cash (used in) provided by financing activities	(332)	20
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	(285)	43
Cash and cash equivalents, beginning of period	315	0
Cash and cash equivalents, end of period	30	43
DCH | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	4	1
Investing Activities
Business acquisitions, net of cash acquired	0	0
Investments in and advances to equity investments	0
Payments for investments		0
Proceeds from dissolution of joint venture and sale of investments	0
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	0	0
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	0	0
Cash used in investing activities	0	0
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	0
Principal repayments of finance lease obligations	0	0
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	0	0
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	0	0
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	(4)	(1)
Cash (used in) provided by financing activities	(4)	(1)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
DCL | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	99	(20)
Investing Activities
Business acquisitions, net of cash acquired	0	0
Investments in and advances to equity investments	(81)
Payments for investments		(10)
Proceeds from dissolution of joint venture and sale of investments	0
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	(10)	(16)
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	75	8
Cash used in investing activities	(16)	(18)
Financing Activities
Commercial paper borrowings, net		293
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	1,479	2,000
Principal repayments of term loans		(2,000)
Principal repayments of debt, including discount payment	(2,545)
Principal repayments of finance lease obligations	(7)	(6)
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	0	0
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	0	23
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	1,309	(7,032)
Cash (used in) provided by financing activities	236	(6,722)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	319	(6,760)
Cash and cash equivalents, beginning of period	61	6,800
Cash and cash equivalents, end of period	380	40
Non-Guarantor Subsidiaries of DCL | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	882	1,005
Investing Activities
Business acquisitions, net of cash acquired	(60)	0
Investments in and advances to equity investments	(111)
Payments for investments		(54)
Proceeds from dissolution of joint venture and sale of investments	2
Proceeds from dispositions, net of cash disposed		107
Proceeds from sale of assets		68
Purchases of property and equipment	(140)	(68)
Proceeds from derivative instruments, net	52	(3)
Inter-company distributions and other investing activities, net	0	4
Cash used in investing activities	(257)	54
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	(225)	(100)
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	0
Principal repayments of finance lease obligations	(26)	(22)
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	(32)	(22)
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	(8)	0
Payments for hedging instruments	(18)
Inter-company contributions (distributions) and other financing activities, net	(524)	(1,059)
Cash (used in) provided by financing activities	(833)	(1,203)
Effect of exchange rate changes on cash and cash equivalents	(58)	(18)
Net change in cash and cash equivalents	(266)	(162)
Cash and cash equivalents, beginning of period	475	509
Cash and cash equivalents, end of period	209	347
Other Non- Guarantor Subsidiaries of Discovery | Reportable Legal Entities
Operating Activities
Cash (used in) provided by operating activities	1,190	768
Investing Activities
Business acquisitions, net of cash acquired	0	95
Investments in and advances to equity investments	(23)
Payments for investments		8
Proceeds from dissolution of joint venture and sale of investments	55
Proceeds from dispositions, net of cash disposed		0
Proceeds from sale of assets		0
Purchases of property and equipment	(39)	(22)
Proceeds from derivative instruments, net	0	0
Inter-company distributions and other investing activities, net	4	(6)
Cash used in investing activities	(3)	75
Financing Activities
Commercial paper borrowings, net		0
Principal repayments of revolving credit facility	0	0
Borrowings under term loan facilities	0	0
Principal repayments of term loans		0
Principal repayments of debt, including discount payment	0
Principal repayments of finance lease obligations	(2)	(9)
Repurchases of stock	0
Distributions to noncontrolling interests and redeemable noncontrolling interests	(195)	(37)
Share-based plan (payments) proceeds, net	0	0
(Repayments) borrowings under program financing line of credit, net	0	0
Payments for hedging instruments	0
Inter-company contributions (distributions) and other financing activities, net	(932)	(690)
Cash (used in) provided by financing activities	(1,129)	(736)
Effect of exchange rate changes on cash and cash equivalents	1	(6)
Net change in cash and cash equivalents	59	101
Cash and cash equivalents, beginning of period	135	0
Cash and cash equivalents, end of period	194	101
Discovery and Subsidiaries
Operating Activities
Cash (used in) provided by operating activities	2,167	1,647
Investing Activities
Business acquisitions, net of cash acquired	(60)	(8,565)
Investments in and advances to equity investments	(215)
Payments for investments		(56)
Proceeds from dissolution of joint venture and sale of investments	117
Proceeds from dispositions, net of cash disposed		107
Proceeds from sale of assets		68
Purchases of property and equipment	(189)	(106)
Proceeds from derivative instruments, net	52	(3)
Inter-company distributions and other investing activities, net	4	6
Cash used in investing activities	(291)	(8,549)
Financing Activities
Commercial paper borrowings, net		293
Principal repayments of revolving credit facility	(225)	(100)
Borrowings under term loan facilities	1,479	2,000
Principal repayments of term loans		(2,000)
Principal repayments of debt, including discount payment	(2,652)
Principal repayments of finance lease obligations	(35)	(37)
Repurchases of stock	(300)
Distributions to noncontrolling interests and redeemable noncontrolling interests	(227)	(59)
Share-based plan (payments) proceeds, net	(9)	44
(Repayments) borrowings under program financing line of credit, net	(8)	23
Payments for hedging instruments	(18)
Inter-company contributions (distributions) and other financing activities, net	3	(16)
Cash (used in) provided by financing activities	(1,992)	148
Effect of exchange rate changes on cash and cash equivalents	(57)	(24)
Net change in cash and cash equivalents	(173)	(6,778)
Cash and cash equivalents, beginning of period	986	7,309
Cash and cash equivalents, end of period	$ 813	$ 531

Uncategorized Items - disca-201

Label	Element	Value
Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 7,000,000
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 5,000,000