Kellogg (K) 10-Q 3 Aug 18 2018 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Jul. 28, 2018
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2,018
Entity Registrant Name	KELLOGG CO
Entity Central Index Key	55,067
Current Fiscal Year End Date	--12-29
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		346,672,653

Consolidated Balance Sheet (Una

Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Current assets
Cash and cash equivalents	$ 257	$ 281
Accounts receivable, net	1,530	1,389
Inventories	1,291	1,217
Other current assets	189	149
Total current assets	3,267	3,036
Property, net	3,638	3,716
Goodwill	6,072	5,504
Other intangibles, net	3,391	2,639
Investments in unconsolidated entities	421	429
Other assets	1,112	1,027
Total assets	17,901	16,351
Current liabilities
Current maturities of long-term debt	7	409
Notes payable	324	370
Accounts payable	2,306	2,269
Other current liabilities	1,329	1,474
Total current liabilities	3,966	4,522
Long-term debt	8,737	7,836
Deferred income taxes	714	355
Pension liability	532	839
Other liabilities	548	605
Commitments and contingencies
Equity
Common stock, $.25 par value	105	105
Capital in excess of par value	866	878
Retained earnings	7,743	7,069
Treasury stock, at cost	(4,375)	(4,417)
Accumulated other comprehensive income (loss)	(1,501)	(1,457)
Total Kellogg Company equity	2,838	2,178
Noncontrolling interests	566	16
Total equity	3,404	2,194
Total liabilities and equity	$ 17,901	$ 16,351

Consolidated Balance Sheet (Un3

Consolidated Balance Sheet (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2018	Dec. 30, 2017
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.25	$ 0.25

Consolidated Statement of Incom

Consolidated Statement of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Statement [Abstract]
Net sales	$ 3,360	$ 3,175	$ 6,761	$ 6,423
Cost of goods sold	2,151	1,950	4,300	4,038
Selling, general and administrative expense	735	840	1,477	1,720
Operating profit	474	385	984	665
Interest expense	72	63	141	124
Other income (expense), net	69	63	139	151
Income before income taxes	471	385	982	692
Income taxes	70	102	137	145
Earnings (loss) from unconsolidated entities	198	0	198	2
Net income	599	283	1,043	549
Net income (loss) attributable to noncontrolling interests	3	0	3	0
Net income attributable to Kellogg Company	$ 596	$ 283	$ 1,040	$ 549
Per share amounts:
Basic earnings (in dollars per share)	$ 1.72	$ 0.81	$ 3	$ 1.57
Diluted earnings (in dollars per share)	1.71	0.80	2.99	1.56
Dividends per share (in dollars per share)	$ 0.54	$ 0.52	$ 1.08	$ 1.04
Average shares outstanding:
Basic (in shares)	347	349	346	350
Diluted (in shares)	348	352	348	353
Actual shares outstanding at period end (in shares)	346	346	346	346

Consolidated Statement of Compr

Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 599	$ 283	$ 1,043	$ 549
Other comprehensive income (loss), pre-tax:
Foreign currency translation adjustments, pre-tax	(54)	(66)	(24)	10
Cash flow hedges, pre-tax:
Unrealized gain (loss) on cash flow hedges, pre-tax	3		3
Reclassification to net income, pre-tax	2	2	4	4
Postretirement and postemployment benefits reclassification to net income, pre-tax:
Net experience loss	(1)	0	(2)	1
Other comprehensive income (loss), pre-tax	(50)	(64)	(19)	15
Other comprehensive income (loss), tax (expense) benefit
Foreign currency translation adjustments, tax (expense) benefit	(46)	57	(27)	66
Cash flow hedges, tax (expense) benefit:
Unrealized gain (loss) on cash flow hedges, tax (expense) benefit	(1)		(1)
Reclassification to net income, tax (expense) benefit	(1)	0	(1)	(1)
Postretirement and postemployment benefits reclassification to net income, tax (expense) benefit:
Net experience loss, tax (expense) benefit	0	0	0	0
Other comprehensive income (loss), tax (expense) benefit	(48)	57	(29)	65
Other comprehensive income (loss), after tax:
Foreign currency translation adjustments, after-tax	(100)	(9)	(51)	76
Cash flow hedges, after tax
Unrealized gain (loss) on cash flow hedges, after-tax	2		2
Reclassification to net income, after-tax	1	2	3	3
Postretirement and postemployment benefits reclassification to net income, after-tax:
Net experience loss, after-tax	(1)	0	(2)	1
Other comprehensive income (loss)	(98)	(7)	(48)	80
Comprehensive income	501	276	995	629
Net income (loss) attributable to noncontrolling interests	3	$ 0	3	$ 0
Other comprehensive income (loss) attributable to noncontrolling interests	(4)		(4)
Comprehensive income attributable to Kellogg Company	$ 502		$ 996

Consolidated Statement of Equit

Consolidated Statement of Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common stock	Capital in excess of par value	Retained earnings	Treasury stock	Accumulated other comprehensive income (loss)	Total Kellogg Company equity	Non-controlling interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,907							$ 16
Balance at Dec. 31, 2016		$ 105	$ 806	$ 6,552	$ (3,997)	$ (1,575)	$ 1,891
Balance (in shares) at Dec. 31, 2016		420			69
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock repurchases (in shares)					7
Common stock repurchases	(516)				$ (516)		(516)
Net income	1,254			1,254			1,254	0
Dividends	(736)			(736)			(736)
Other comprehensive income (loss)	118					118	118	0
Stock compensation	66		66				66
Stock options exercised and other (in shares)		1			(1)
Stock options exercised and other	101		6	(1)	$ 96		101
Balance (in shares) at Dec. 30, 2017		421			75
Balance at Dec. 30, 2017	2,178	$ 105	878	7,069	$ (4,417)	(1,457)	2,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 2,194							16
Common stock repurchases (in shares)	1				1
Common stock repurchases	$ (50)				$ (50)		(50)
Net income	1,043			1,040			1,040	3
Acquisition of noncontrolling interest, net	552						0	552
Dividends	(375)			(374)			(374)	(1)
Other comprehensive income (loss)	(48)					(44)	(44)	(4)
Stock compensation	30		30				30
Stock options exercised and other (in shares)					(2)
Stock options exercised and other	58		(42)	8	$ 92		58
Balance (in shares) at Jun. 30, 2018		421			74
Balance at Jun. 30, 2018	2,838	$ 105	$ 866	$ 7,743	$ (4,375)	$ (1,501)	$ 2,838
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 3,404							$ 566

Consolidated Statement of Cash

Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Operating activities
Net income	$ 1,043	$ 549
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	234	240
Postretirement benefit plan expense (benefit)	(86)	(96)
Deferred income taxes	69	(66)
Stock compensation	30	36
Gain on unconsolidated entities, net	(200)	0
Other	(67)	36
Postretirement benefit plan contributions	(274)	(28)
Changes in operating assets and liabilities, net of acquisitions:
Trade receivables	(83)	(716)
Inventories	(38)	63
Accounts payable	64	70
All other current assets and liabilities	(245)	4
Net cash provided by (used in) operating activities	447	92
Investing activities
Additions to properties	(270)	(268)
Collections of deferred purchase price on securitized trade receivables	0	568
Acquisitions, net of cash acquired	(28)	4
Investments in unconsolidated entities	(388)	0
Acquisition of cost method investment	(4)	0
Other	29	(4)
Net cash provided by (used in) investing activities	(661)	300
Financing activities
Net issuances (reductions) of notes payable	(76)	287
Issuances of long-term debt	993	655
Reductions of long-term debt	(401)	(626)
Net issuances of common stock	70	65
Common stock repurchases	(50)	(390)
Cash dividends	(374)	(363)
Net cash provided by (used in) financing activities	162	(372)
Effect of exchange rate changes on cash and cash equivalents	28	34
Increase (decrease) in cash and cash equivalents	(24)	54
Cash and cash equivalents at beginning of period	281	280
Cash and cash equivalents at end of period	257	334
Supplemental cash flow disclosures
Interest paid	151	138
Income taxes paid	76	205
Supplemental cash flow disclosures of non-cash investing activities [Abstract]
Beneficial interests obtained in exchange for securitized trade receivables	0	566
Additions to properties included in accounts payable	$ 77	$ 82

Accounting Policies

Accounting Policies	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Accounting Policies	Accounting policies Basis of presentation The unaudited interim financial information of Kellogg Company (the Company) included in this report reflects all adjustments, all of which are of a normal and recurring nature, that management believes are necessary for a fair statement of the results of operations, comprehensive income, financial position, equity and cash flows for the periods presented. This interim information should be read in conjunction with the financial statements and accompanying footnotes within the Company’s 2017 Annual Report on Form 10-K. The condensed balance sheet information at December 30, 2017 was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States. The results of operations for the quarterly period ended June 30, 2018 are not necessarily indicative of the results to be expected for other interim periods or the full year. Accounts payable The Company has agreements with certain third parties to provide accounts payable tracking systems which facilitates participating suppliers’ ability to monitor and, if elected, sell payment obligations from the Company to designated third-party financial institutions. Participating suppliers may, at their sole discretion, make offers to sell one or more payment obligations of the Company prior to their scheduled due dates at a discounted price to participating financial institutions. The Company’s goal in entering into these agreements is to capture overall supplier savings, in the form of payment terms or vendor funding, created by facilitating suppliers’ ability to sell payment obligations, while providing them with greater working capital flexibility. We have no economic interest in the sale of these suppliers’ receivables and no direct financial relationship with the financial institutions concerning these services. The Company’s obligations to its suppliers, including amounts due and scheduled payment dates, are not impacted by suppliers’ decisions to sell amounts under these arrangements. However, the Company’s right to offset balances due from suppliers against payment obligations is restricted by this agreement for those payment obligations that have been sold by suppliers. As of June 30, 2018 , $834 million of the Company’s outstanding payment obligations had been placed in the accounts payable tracking system, and participating suppliers had sold $572 million of those payment obligations to participating financial institutions. As of December 30, 2017, $850 million of the Company’s outstanding payment obligations had been placed in the accounts payable tracking system, and participating suppliers had sold $674 million of those payment obligations to participating financial institutions. Revenue The Company recognizes revenue from the sale of food products which are sold to retailers through direct sales forces, broker and distributor arrangements. The Company also recognizes revenue from the license of our trademarks granted to third parties who uses these trademarks on their merchandise. Revenue from these licenses are not material to the Company. Revenue, which includes shipping and handling charges billed to the customer, is reported net of applicable discounts, returns, allowances, and various government withholding taxes. Contract balances where revenue is recognized in the current period that is not a result of current period performance is not material to the Company. The Company also does not incur costs to obtain or fulfill contracts. Performance obligations The Company recognizes revenue when (or as) performance obligations are satisfied by transferring control of the goods to customers. Control is transferred upon delivery of the goods to the customer. At the time of delivery, the customer is invoiced with payment terms which are commensurate with the customer’s credit profile. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. The Company assesses the goods and services promised in its customers’ purchase orders and identifies a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct. To identify the performance obligations, the Company considers all the goods or services promised, whether explicitly stated or implied based on customary business practices. For a purchase order that has more than one performance obligation, the Company allocates the total consideration to each distinct performance obligation on a relative standalone selling price basis. Significant Judgments The Company offers various forms of trade promotions and the methodologies for determining these provisions are dependent on local customer pricing and promotional practices, which range from contractually fixed percentage price reductions to provisions based on actual occurrence or performance. Where applicable, future provisions are estimated based on a combination of historical patterns and future expectations regarding specific in-market product performance. Our promotional activities are conducted either through the retail trade or directly with consumers and include activities such as in-store displays and events, feature price discounts, consumer coupons, contests and loyalty programs. The costs of these activities are generally recognized at the time the related revenue is recorded, which normally precedes the actual cash expenditure. The recognition of these costs therefore requires management judgment regarding the volume of promotional offers that will be redeemed by either the retail trade or consumer. These estimates are made using various techniques including historical data on performance of similar promotional programs. Differences between estimated expense and actual redemptions are normally insignificant and recognized as a change in management estimate in a subsequent period. Practical expedients The Company elected the following practical expedients in accordance with ASU 2014-09: • Significant financing component - The Company elected not to adjust the promised amount of consideration for the effects of a significant financing component as the Company expects, at contract inception, that the period between the transfer of a promised good or service to a customer and when the customer pays for that good or service will be one year or less. • Shipping and handling costs - The Company elected to account for shipping and handling activities that occur before the customer has obtained control of a good as fulfillment activities (i.e., an expense) rather than as a promised service. • Measurement of transaction price - The Company has elected to exclude from the measurement of transaction price all taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction and collected by the Company from a customer for sales taxes. New accounting standards Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities . In August 2017, the FASB issued an ASU intended to simplify hedge accounting by better aligning an entity’s financial reporting for hedging relationships with its risk management activities. The ASU also simplifies the application of the hedge accounting guidance. The new guidance is effective on January 1, 2019, with early adoption permitted. For cash flow hedges existing at the adoption date, the standard requires adoption on a modified retrospective basis with a cumulative-effect adjustment to the Consolidated Balance Sheet as of the beginning of the year of adoption. The amendments to presentation guidance and disclosure requirements are required to be adopted prospectively. The Company adopted the ASU in the first quarter of 2018. The impact of adoption was immaterial to the financial statements. Improving the Presentation of net Periodic Pension Cost and net Periodic Postretirement Benefit Cost. In March 2017, the FASB issued an ASU to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The ASU requires that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. The amendments in this ASU should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. The Company adopted the ASU in the first quarter of 2018. Simplifying the test for goodwill impairment. In January 2017, the FASB issued an ASU to simplify how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. The ASU is effective for an entity's annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The amendments in this ASU should be applied on a prospective basis. The Company adopted the ASU in the first quarter of 2018 with no impact. Statement of Cash Flows. In August 2016, the FASB issued an ASU to provide cash flow statement classification guidance for certain cash receipts and payments including (a) debt prepayment or extinguishment costs; (b) contingent consideration payments made after a business combination; (c) insurance settlement proceeds; (d) distributions from equity method investees; (e) beneficial interests in securitization transactions and (f) application of the predominance principle for cash receipts and payments with aspects of more than one class of cash flows. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. Early adoption is permitted, including adoption in an interim period, in which case adjustments should be reflected as of the beginning of the fiscal year that includes the interim period. The amendments in this ASU should be applied retrospectively. The Company adopted the new ASU in the first quarter of 2018. Recognition and measurement of financial assets and liabilities. In January 2016, the FASB issued an ASU which requires equity investments that are not accounted for under the equity method of accounting to be measured at fair value with changes recognized in net income and which updates certain presentation and disclosure requirements. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. Early adoption can be elected for all financial statements of fiscal years and interim periods that have not yet been issued or that have not yet been made available for issuance. Entities should apply the update by means of a cumulative-effect adjustment to the balance sheet as of the beginning of the fiscal year of adoption. The Company adopted the updated standard in the first quarter of 2018. The impact of adoption was immaterial to the financial statements. Revenue from contracts with customers. In May 2014, the FASB issued an ASU, as amended, which provides guidance for accounting for revenue from contracts with customers. The core principle of this ASU is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration the entity expects to be entitled to in exchange for those goods or services. To achieve that core principle, an entity would be required to apply the following five steps: 1) identify the contract(s) with a customer; 2) identify the performance obligations in the contract; 3) determine the transaction price; 4) allocate the transaction price to the performance obligations in the contract and 5) recognize revenue when (or as) the entity satisfies a performance obligation. The Company adopted the updated standard in the first quarter of 2018 using the full retrospective method and restated previously reported amounts. In connection with the adoption, the Company made reclassification of certain customer allowances. The adoption effects relate to the timing of recognition and classification of certain promotional allowances. The updated revenue standard also required additional disaggregated revenue disclosures. Refer to Impacts to Previously Reported Results below for the impact of adoption of the standard on our consolidated financial statements. Impacts to Previously Reported Results Adoption of the standards related to revenue recognition, pension and cash flow impacted our previously reported results as follows: As of December 30, 2017 Consolidated Balance Sheet Previously Reported Revenue Recognition ASU Restated Other assets $ 1,026 $ 1 $ 1,027 Other current liabilities $ 1,431 $ 43 $ 1,474 Deferred income taxes $ 363 $ (8 ) $ 355 Retained earnings $ 7,103 $ (34 ) $ 7,069 Quarter ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 3,187 $ (12 ) $ — $ 3,175 Cost of goods sold $ 1,922 $ (17 ) $ 45 $ 1,950 Selling, general and administrative expense $ 812 $ 4 $ 24 $ 840 Other income (expense), net $ (6 ) $ — $ 69 $ 63 Income taxes $ 102 $ — $ — $ 102 Net income $ 282 $ 1 $ — $ 283 Per share amounts: Basic earnings $ 0.81 $ — $ — $ 0.81 Diluted earnings $ 0.80 $ — $ — $ 0.80 Year-to-date period ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 6,441 $ (18 ) $ — $ 6,423 Cost of goods sold $ 3,972 $ (33 ) $ 99 $ 4,038 Selling, general and administrative expense $ 1,656 $ 9 $ 55 $ 1,720 Other income (expense), net $ (3 ) $ — $ 154 $ 151 Income taxes $ 144 $ 1 $ — $ 145 Net income $ 544 $ 5 $ — $ 549 Per share amounts: Basic earnings $ 1.56 $ 0.01 $ — $ 1.57 Diluted earnings $ 1.54 $ 0.02 $ — $ 1.56 Year-to-date period ended July 1, 2017 Consolidated Statement of Cash Flows Previously Reported Revenue Recognition ASU Cash Flow ASU Restated Net income $ 544 $ 5 $ — $ 549 Deferred income taxes $ (67 ) $ 1 $ — $ (66 ) Other $ 30 $ — $ 6 $ 36 Trade receivables $ (148 ) $ — $ (568 ) $ (716 ) All other current assets and liabilities, net $ 10 $ (6 ) $ — $ 4 Net cash provided by (used in) operating activities $ 654 $ — $ (562 ) $ 92 Collections of deferred purchase price on securitized trade receivables $ — $ — $ 568 $ 568 Investment in unconsolidated entities, net proceeds $ 6 $ — $ (6 ) $ — Net cash provided by (used in) investing activities $ (262 ) $ — $ 562 $ 300 Accounting standards to be adopted in future periods Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. In February 2018, the FASB issued an ASU permitting a company to reclassify the disproportionate income tax effects of the Tax Cuts and Jobs Act of 2017 on items within accumulated other comprehensive income (AOCI). The reclassification is optional. Regardless of whether or not a company opts to make the reclassification, the new guidance requires all companies to include certain disclosures in their financial statements. The guidance is effective for all fiscal years beginning after December 15, 2018. Early adoption is permitted. The Company is currently assessing when to adopt the ASU and the impact of adoption. Leases. In February 2016, the FASB issued an ASU which will require the recognition of lease assets and lease liabilities by lessees for all leases with terms greater than 12 months. The distinction between finance leases and operating leases will remain, with similar classification criteria as current GAAP to distinguish between capital and operating leases. The principal difference from current guidance is that the lease assets and lease liabilities arising from operating leases will be recognized on the Consolidated Balance Sheet. Lessor accounting remains substantially similar to current GAAP. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2018. Early adoption is permitted. The Company will adopt the ASU in the first quarter of 2019, and is currently evaluating the impact that implementing this ASU will have on its financial statements.

Sale of Accounts Receivable

Sale of Accounts Receivable	6 Months Ended
	Jun. 30, 2018
Transfers and Servicing of Financial Assets [Abstract]
Transfers and Servicing of Financial Assets [Text Block]	Sale of accounts receivable During 2016, The Company initiated a program in which a customer could extend their payment terms in exchange for the elimination of early payment discounts (Extended Terms Program). The Company has two Receivable Sales Agreements (Monetization Programs) and previously had a separate U.S. accounts receivable securitization program (Securitization Program), both described below, which are intended to directly offset the impact the Extended Terms Program would have on the days-sales-outstanding (DSO) metric that is critical to the effective management of the Company's accounts receivable balance and overall working capital. The Company terminated the Securitization Program at the end of 2017 and entered into the second monetization program during the quarter ended March 31, 2018. The impact on working capital of the Extended Terms Program is effectively offset by the Monetization and Securitization Programs . The Company has no retained interest in the receivables sold, however the Company does have collection and administrative responsibilities for the sold receivables. The Company has not recorded any servicing assets or liabilities as of June 30, 2018 and December 30, 2017 for these agreements as the fair value of these servicing arrangements as well as the fees earned were not material to the financial statements. Monetization Programs The Company has two Monetization Programs, for a discrete group of customers, to sell, on a revolving basis, certain trade accounts receivable invoices to third party financial institutions. Transfers under this agreement are accounted for as sales of receivables resulting in the receivables being de-recognized from the Consolidated Balance Sheet. The Monetization Programs provide for the continuing sale of certain receivables on a revolving basis until terminated by either party; however the maximum receivables that may be sold at any time is $1,033 million (increased from $988 million as of March 31, 2018, reflecting the execution of an amendment to the second monetization program on June 26, 2018). Accounts receivable sold of $936 million and $601 million remained outstanding under these arrangements as of June 30, 2018 and December 30, 2017 , respectively. The proceeds from these sales of receivables are included in cash from operating activities in the Consolidated Statement of Cash Flows. The recorded net loss on sale of receivables was $6 million and $12 million for the quarter and year-to-date periods ended June 30, 2018 , respectively and was $3 million and $5 million for the quarter and year-to-date periods ended July 1, 2017 , respectively. The recorded loss is included in Other income and expense. Securitization Program Between July 2016 and December 2017, the Company had a Securitization Program with a third party financial institution. Under the program, the Company received cash consideration of up to $600 million and a deferred purchase price asset for the remainder of the purchase price. Transfers under the Securitization Program were accounted for as sales of receivables resulting in the receivables being de-recognized from the Consolidated Balance Sheet. This Securitization Program utilized Kellogg Funding Company (Kellogg Funding), a wholly-owned subsidiary of the Company. Kellogg Funding's sole business consisted of the purchase of receivables, from its parent or other subsidiary and subsequent transfer of such receivables and related assets to financial institutions. Although Kellogg Funding is included in the Company's consolidated financial statements, it is a separate legal entity with separate creditors who will be entitled, upon its liquidation, to be satisfied out of Kellogg Funding assets prior to any assets or value in Kellogg Funding becoming available to the Company or its subsidiaries. The assets of Kellogg Funding are not available to pay creditors of the Company or its subsidiaries. The Securitization Program was structured to expire in July 2018, but was terminated at the end of 2017. In March 2018 the Company substantially replaced the securitization program with the second monetization program. Kellogg Funding had no creditors and held no assets at June 30, 2018. As of December 30, 2017 , approximately $433 million of accounts receivable sold to Kellogg Funding under the Securitization Program remained outstanding, for which the Company received net cash proceeds of approximately $412 million and a deferred purchase price asset of approximately $21 million . The portion of the purchase price for the receivables which is not paid in cash by the financial institutions is a deferred purchase price asset, which is paid to Kellogg Funding as payments on the receivables are collected from customers. The deferred purchase price asset represents a beneficial interest in the transferred financial assets and is recognized at fair value as part of the sale transaction. The deferred purchase price asset is included in Other current assets on the Consolidated Balance Sheet. Upon final settlement of the program in March 2018, the outstanding deferred purchase price asset of $21 million was exchanged for previously sold trade accounts receivable. The recorded net loss on sale of receivables for the year-to-date period ended July 1, 2017 is included in Other income and expense and is not material. Other programs Additionally, from time to time certain of the Company's foreign subsidiaries will transfer, without recourse, accounts receivable balances of certain customers to financial institutions. These transactions are accounted for as sales of the receivables resulting in the receivables being de-recognized from the Consolidated Balance Sheet. Accounts receivable sold of $26 million and $86 million remained outstanding under these programs as of June 30, 2018 and December 30, 2017 , respectively. The proceeds from these sales of receivables are included in cash from operating activities in the Consolidated Statement of Cash Flows. The recorded net loss on the sale of these receivables is included in Other income and expense and is not material.

Acquisitions, West Africa Inves

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets	6 Months Ended
	Jun. 30, 2018
Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets [Abstract]
Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets	Acquisitions, West Africa investments, goodwill and other intangible assets Multipro acquisition On May 2, 2018, the Company (i) acquired an incremental 1% ownership interest in Multipro, a leading distributor of a variety of food products in Nigeria and Ghana, and (ii) exercised its call option (Purchase Option) to acquire a 50% interest in Tolaram Africa Foods, PTE LTD (TAF), a holding company with a 49% equity interest in an affiliated food manufacturer, resulting in the Company having a 24.5% interest in the affiliated food manufacturer. The aggregate cash consideration paid was approximately $419 million and was funded through cash on hand and short-term borrowings, which was refinanced with long-term borrowings in May 2018. As part of the consideration for the acquisition, an escrow established in connection with the original Multipro investment in 2015, which represented a significant portion of the amount paid for the Company’s initial investment, was released by the Company. The amount paid to exercise the Purchase Option is subject to certain working capital and net debt adjustments based on the actual working capital and net debt existing on the exercise date compared to targeted amounts. As a result of the Company’s incremental ownership interest in Multipro and concurrent changes to the shareholders' agreement, the Company now has a 51% controlling interest in and began consolidating Multipro. Accordingly, the acquisition was accounted for as a business combination and the assets and liabilities of Multipro were included in the June 30, 2018 Consolidated Balance Sheet and the results of its operations have been included in the Consolidated Statement of Income subsequent to the acquisition date. The aggregate of the consideration paid and the fair value of previously held equity interest totaled $626 million , or $617 million net of cash acquired. The Multipro investment was previously accounted for under the equity method of accounting and the Company recorded our share of equity income or loss from Multipro within Earnings (loss) from unconsolidated entities. In connection with the business combination, the Company recognized a one-time, non-cash gain on the disposition of our previously held equity interest in Multipro of $245 million , which is included within Earnings (loss) from unconsolidated entities. The assets and liabilities are included in the Consolidated Balance Sheet as of June 30, 2018 within the Asia-Pacific reporting segment. The acquired assets and assumed liabilities include the following: (millions) May 2, 2018 Current assets $ 118 Property 41 Goodwill 616 Intangible assets subject to amortization, primarily customer relationships 425 Intangible assets not subject to amortization, primarily distribution rights 373 Deferred tax liability (256 ) Other liabilities (148 ) Noncontrolling interest (552 ) $ 617 The amounts in the above table represent the preliminary allocation of purchase price and are subject to revision when valuations are finalized for intangible assets, which are expected in 2018. The goodwill from the acquisition is not expected to be deductible for income tax purposes. Multipro contributed net revenues of $129 million and net earnings of $2 million since the acquisition, including transaction fees and integration costs. The unaudited pro forma historical net sales, as if Multipro had been acquired at the beginning of 2017 are estimated as follows: Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Net sales $ 3,433 $ 3,326 $ 7,043 $ 6,739 The impact of the business combination as if Multipro had been acquired at the beginning of 2017, on the unaudited pro forma historical net income and net income attributable to Kellogg Company, exclusive of the non-cash $245 million gain on the disposition of the equity interest, was immaterial. Investment in TAF The investment in TAF is accounted for under the equity method of accounting with the Company’s share of equity income or loss being recognized within Earnings (loss) from unconsolidated entities. The $458 million aggregate of the consideration paid upon exercise and the historical cost value of the Put Option was compared to the estimated fair value of the Company’s ownership percentage of TAF and the Company recognized a one-time, non-cash loss of $45 million within Earnings (loss) from unconsolidated entities, which represents an other than temporary excess of cost over fair value of the investment. The difference between the carrying amount of TAF and the underlying equity in net assets is primarily attributable to brand and customer list intangible assets, a portion of which is being amortized over future periods, and goodwill. RXBAR acquisition In October 2017, the Company completed its acquisition of Chicago Bar Co., LLC, the manufacturer of RXBAR, for $600 million , or $596 million net of cash and cash equivalents. The purchase price was subject to certain working capital adjustments based on the actual working capital on the acquisition date compared to targeted amounts. These adjustments were finalized during the quarter ended March 31, 2018 and resulted in a purchase price reduction of $1 million . The acquisition was accounted for under the purchase price method and was financed with short-term borrowings. For the year-to-date period ended June 30, 2018, the acquisition added net sales in the Company's North America Other reporting segment totaling $110 million and net earnings totaling $6 million , respectively. The assets and liabilities are included in the Consolidated Balance Sheet as of June 30, 2018 within the North America Other reporting segment. The acquired assets and assumed liabilities include the following: (millions) October 27, 2017 Current assets $ 42 Goodwill 373 Intangible assets, primarily indefinite-lived brands 203 Current liabilities (23 ) $ 595 The amounts in the above table represent the final allocation of purchase price as of June 30, 2018, which resulted in a $2 million increase in amortizable intangible assets with a corresponding reduction of goodwill during the first quarter of 2018. Goodwill and Intangible Assets Changes in the carrying amount of goodwill, intangible assets subject to amortization, consisting primarily of customer lists, and indefinite-lived intangible assets, consisting of brands and distribution agreements, are presented in the following tables: Carrying amount of goodwill (millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 3,568 $ 131 $ 82 $ 836 $ 414 $ 244 $ 229 $ 5,504 Additions — — — — — — 616 616 Purchase price allocation adjustment — — — (1 ) — — — (1 ) Purchase price adjustment — — — (1 ) — — — (1 ) Currency translation adjustment — — — (2 ) (12 ) (25 ) (7 ) (46 ) June 30, 2018 $ 3,568 $ 131 $ 82 $ 832 $ 402 $ 219 $ 838 $ 6,072 Intangible assets subject to amortization Gross carrying amount (millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 42 $ 8 $ — $ 22 $ 45 $ 74 $ 10 $ 201 Additions — — — — — — 425 425 Purchase price allocation adjustment — — — 2 — — — 2 Currency translation adjustment — — — — (1 ) (10 ) (3 ) (14 ) June 30, 2018 $ 42 $ 8 $ — $ 24 $ 44 $ 64 $ 432 $ 614 Accumulated Amortization December 30, 2017 $ 22 $ 8 $ — $ 5 $ 18 $ 10 $ 4 $ 67 Amortization 2 — — 1 1 2 3 9 Currency translation adjustment — — — — — (1 ) — (1 ) June 30, 2018 $ 24 $ 8 $ — $ 6 $ 19 $ 11 $ 7 $ 75 Intangible assets subject to amortization, net December 30, 2017 $ 20 $ — $ — $ 17 $ 27 $ 64 $ 6 $ 134 Additions — — — — — — 425 425 Purchase price allocation adjustment — — — 2 — — — 2 Amortization (2 ) — — (1 ) (1 ) (2 ) (3 ) (9 ) Currency translation adjustment — — — — (1 ) (9 ) (3 ) (13 ) June 30, 2018 $ 18 $ — $ — $ 18 $ 25 $ 53 $ 425 $ 539 For intangible assets in the preceding table, amortization was $9 million and $4 million for the year-to-date periods ended June 30, 2018 and July 1, 2017 , respectively. The currently estimated aggregate annual amortization expense for full-year 2018 is approximately $23 million . Intangible assets not subject to amortization (millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 1,625 $ — $ — $ 360 $ 434 $ 86 $ — $ 2,505 Additions — — — — — — 373 373 Currency translation adjustment — — — — (10 ) (13 ) (3 ) (26 ) June 30, 2018 $ 1,625 $ — $ — $ 360 $ 424 $ 73 $ 370 $ 2,852

Restructuring and Cost Reductio

Restructuring and Cost Reduction Activities	6 Months Ended
	Jun. 30, 2018
Restructuring and Related Activities [Abstract]
Restructuring and Cost Reduction Activities	Restructuring and cost reduction activities The Company views its restructuring and cost reduction activities as part of its operating principles to provide greater visibility in achieving its long-term profit growth targets. Initiatives undertaken are currently expected to recover cash implementation costs within a five -year period of completion. Upon completion (or as each major stage is completed in the case of multi-year programs), the project begins to deliver cash savings and/or reduced depreciation. Total Projects During the quarter ended June 30, 2018 , the Company recorded total net charges of $5 million across all restructuring and cost reduction activities. The charges were comprised of $(4) million net gain recorded in cost of goods sold (COGS) and a $9 million expense recorded in selling, general and administrative (SG&A) expense. During the year-to-date period ended June 30, 2018 , the Company recorded total charges of $25 million across all restructuring and cost reduction activities. The charges were comprised of $9 million recorded in COGS and $16 million recorded in SG&A expense. During the quarter ended July 1, 2017 , the Company recorded total charges of $96 million across all restructuring and cost reduction activities. The charges were comprised of $24 million recorded in COGS, $75 million recorded in SG&A expense and $(3) million net gain recorded in other (income) expense, net (OIE). During the year-to-date period ended July 1, 2017 , the Company recorded total charges of $238 million across all restructuring and cost reduction activities. The charges were comprised of $37 million recorded in COGS, $200 million recorded in SG&A expense and $1 million recorded in OIE. Project K Project K is expected to continue generating savings that may be invested in key strategic areas of focus for the business or utilized to achieve our growth initiatives. Since inception, Project K has reduced the Company’s cost structure, and is expected to provide enduring benefits, including an optimized supply chain infrastructure, an efficient global business services model, a global focus on categories, increased agility from a more efficient organization design, and improved effectiveness in go-to-market models. These benefits are intended to strengthen existing businesses in core markets, increase growth in developing and emerging markets, and drive an increased level of value-added innovation. The Company currently anticipates that the program will result in total pre-tax charges, once all phases are approved and implemented, on the lower end of a range of $1.5 to $1.6 billion , with after-tax cash costs, including incremental capital investments, estimated to be approximately $1.1 billion . Based on current estimates and actual charges to date, the Company expects the total project charges will consist of asset-related costs of approximately $500 million which will consist primarily of asset impairments, accelerated depreciation and other exit-related costs; employee-related costs of approximately $500 million which will include severance, pension and other termination benefits; and other costs of approximately $600 million which consists primarily of charges related to the design and implementation of global business capabilities and a more efficient go-to-market model. The Company currently expects that total pre-tax charges related to Project K will impact reportable segments as follows: U.S. Snacks (approximately 34% ), U.S. Morning Foods (approximately 17% ), U.S. Specialty Channels (approximately 1% ), North America Other (approximately 13% ), Europe (approximately 22% ), Latin America (approximately 2% ), Asia-Pacific (approximately 6% ), and Corporate (approximately 5% ). Since the inception of Project K, the Company has recognized charges of $1,402 million that have been attributed to the program. The charges consist of $6 million recorded as a reduction of revenue, $803 million recorded in COGS, $730 million recorded in SG&A, and ( $137 million ) recorded in OIE. The tables below provide the details for charges incurred during the quarters and year-to-date periods ended June 30, 2018 and July 1, 2017 and program costs to date for programs currently active as of June 30, 2018 . Quarter ended Year-to-date period ended Program costs to date (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 June 30, 2018 Employee related costs $ 1 $ 28 $ 5 $ 135 $ 539 Pension curtailment (gain) loss, net — (3 ) — 1 (137 ) Asset related costs (14 ) 20 (10 ) 30 259 Asset impairment — — — — 155 Other costs 18 51 30 72 586 Total $ 5 $ 96 $ 25 $ 238 $ 1,402 Quarter ended Year-to-date period ended Program costs to date (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 June 30, 2018 U.S. Snacks $ 3 $ 79 9 $ 199 $ 512 U.S. Morning Foods 10 1 12 2 263 U.S. Specialty Channels — 1 — 1 21 North America Other (1 ) 2 1 9 141 Europe (13 ) 2 (6 ) 8 324 Latin America 2 3 4 4 31 Asia Pacific 3 3 3 4 90 Corporate 1 5 2 11 20 Total $ 5 $ 96 $ 25 $ 238 $ 1,402 Employee related costs consist primarily of severance and related benefits. Pension curtailment (gain) loss consists of curtailment gains or losses that resulted from project initiatives. Asset related costs consist primarily of accelerated depreciation. During the quarter ended June 30, 2018, a gain was recognized related to the sale of a manufacturing facility in Europe that was previously impacted as part of Project K. Asset impairments were recorded for fixed assets that were determined to be impaired and were written down to their estimated fair value. Other costs consist of lease termination costs as well as third-party incremental costs related to the development and implementation of global business capabilities and a more efficient go-to-market model. At June 30, 2018 total project reserves were $76 million , related to severance payments and other costs of which a substantial portion will be paid in 2018 and 2019. The following table provides details for exit cost reserves. Employee Related Costs Pension curtailment (gain) loss, net Asset Impairment Asset Related Costs Other Costs Total Liability as of December 31, 2017 $ 97 $ — $ — $ — $ 63 $ 160 2018 restructuring charges 5 — — (10 ) 30 25 Cash payments (43 ) — — — (76 ) (119 ) Non-cash charges and other — — — 10 — 10 Liability as of June 30, 2018 $ 59 $ — $ — $ — $ 17 $ 76

Equity

Equity	6 Months Ended
	Jun. 30, 2018
Equity [Abstract]
Equity	Equity Earnings per share Basic earnings per share is determined by dividing net income by the weighted average number of common shares outstanding during the period. Diluted earnings per share is similarly determined, except that the denominator is increased to include the number of additional common shares that would have been outstanding if all dilutive potential common shares had been issued. Dilutive potential common shares consist principally of employee stock options issued by the Company, restricted stock units, and to a lesser extent, certain contingently issuable performance shares. Basic earnings per share is reconciled to diluted earnings per share in the following table. There were 9 million and 6 million anti-dilutive potential common shares excluded from the reconciliation for the quarter and year-to-date periods ended June 30, 2018 , respectively. There were 5 million anti-dilutive potential common shares excluded from the reconciliation for the quarter and year-to-date periods ended July 1, 2017 , respectively. Quarters ended June 30, 2018 and July 1, 2017 : (millions, except per share data) Net income Average shares outstanding Earnings per share 2018 Basic $ 596 347 $ 1.72 Dilutive potential common shares 1 (0.01 ) Diluted $ 596 348 $ 1.71 2017 Basic $ 283 349 $ 0.81 Dilutive potential common shares 3 (0.01 ) Diluted $ 283 352 $ 0.80 Year-to-date periods ended June 30, 2018 and July 1, 2017 : (millions, except per share data) Net income Average shares outstanding Earnings per share 2018 Basic $ 1,040 346 $ 3.00 Dilutive potential common shares 2 (0.01 ) Diluted $ 1,040 348 $ 2.99 2017 Basic $ 549 350 $ 1.57 Dilutive potential common shares 3 (0.01 ) Diluted $ 549 353 $ 1.56 In December 2017, the board of directors approved a new authorization to repurchase up to $1.5 billion of our common stock beginning in January 2018 through December 2019. As of June 30, 2018 , $1.45 billion remains available under the authorization. During the year-to-date period ended June 30, 2018 , the Company repurchased less than 1 million shares of common stock for a total of $50 million . During the year-to-date period ended July 1, 2017 , the Company repurchased 6 million shares of common stock for a total of $435 million , of which $390 million was paid and $45 million was payable at July 1, 2017 . Comprehensive income Comprehensive income includes net income and all other changes in equity during a period except those resulting from investments by or distributions to shareholders. Other comprehensive income consists of foreign currency translation adjustments, fair value adjustments associated with cash flow hedges and adjustments for net experience losses and prior service cost related to employee benefit plans, net of related tax effects. Reclassifications out of AOCI for the quarter and year-to-date periods ended June 30, 2018 and July 1, 2017 , consisted of the following: (millions) Details about AOCI components Amount reclassified from AOCI Line item impacted within Income Statement Quarter ended June 30, 2018 Year-to-date period ended June 30, 2018 (Gains) losses on cash flow hedges: Foreign currency exchange contracts $ — $ — COGS Interest rate contracts 2 4 Interest expense $ 2 $ 4 Total before tax (1 ) (1 ) Tax expense (benefit) $ 1 $ 3 Net of tax Amortization of postretirement and postemployment benefits: Net experience loss $ (1 ) $ (2 ) OIE $ (1 ) $ (2 ) Total before tax — — Tax expense (benefit) $ (1 ) $ (2 ) Net of tax Total reclassifications $ — $ 1 Net of tax (millions) Details about AOCI components Amount reclassified from AOCI Line item impacted within Income Statement Quarter ended July 1, 2017 Year-to-date period ended July 1, 2017 (Gains) losses on cash flow hedges: Foreign currency exchange contracts $ — $ (1 ) COGS Foreign currency exchange contracts — — SGA Interest rate contracts 2 5 Interest expense Commodity contracts — — COGS $ 2 $ 4 Total before tax — (1 ) Tax expense (benefit) $ 2 $ 3 Net of tax Amortization of postretirement and postemployment benefits: Net experience loss $ — $ 1 See Note 8 for further details Prior service cost — — See Note 8 for further details $ — $ 1 Total before tax — — Tax expense (benefit) $ — $ 1 Net of tax Total reclassifications $ 2 $ 4 Net of tax Accumulated other comprehensive income (loss), net of tax, as of June 30, 2018 and December 30, 2017 consisted of the following: (millions) June 30, December 30, 2017 Foreign currency translation adjustments $ (1,473 ) $ (1,426 ) Cash flow hedges — unrealized net gain (loss) (56 ) (61 ) Postretirement and postemployment benefits: Net experience loss 32 34 Prior service cost (4 ) (4 ) Total accumulated other comprehensive income (loss) $ (1,501 ) $ (1,457 )

Debt

Debt	6 Months Ended
	Jun. 30, 2018
Debt Disclosure [Abstract]
Debt	Debt The following table presents the components of notes payable at June 30, 2018 and December 30, 2017 : June 30, 2018 December 30, 2017 (millions) Principal amount Effective interest rate Principal amount Effective interest rate (a) U.S. commercial paper $ 197 2.26 % $ 196 1.76 % Europe commercial paper — — % 96 (0.32 )% Bank borrowings 127 78 Total $ 324 $ 370 (a) Negative effective interest rates on certain borrowings in Europe are the result of efforts by the European Central Bank to stimulate the economy in the eurozone. In May 2018, the Company issued $600 million of ten-year 4.30% Senior Notes due 2028 and $400 million of three-year 3.25% Senior Notes due 2021, resulting in aggregate net proceeds after debt discount of $994 million . The proceeds from these Notes were used for general corporate purposes, including the repayment of the Company's $400 million , seven-year 3.25% U.S. Dollar Notes due 2018 at maturity, and the repayment of a portion of the Company's commercial paper borrowings used to finance the acquisition of ownership interests in TAF and Multipro. The Notes contain customary covenants that limit the ability of the Company and its restricted subsidiaries (as defined) to incur certain liens or enter into certain sale and lease-back transactions, as well as a change of control provision. In May 2017, the Company issued €600 million (approximately $685 million USD at July 1, 2017, which reflects the discount and translation adjustments) of five-year 0.80% Euro Notes due 2022, resulting in aggregate net proceeds after debt discount of $656 million . The proceeds from these Notes were used for general corporate purposes, including, together with cash on hand and additional commercial paper borrowings, repayment of the Company's $400 million , five-year 1.75% U.S. Dollar Notes due 2017 at maturity. The Notes contain customary covenants that limit the ability of the Company and its restricted subsidiaries (as defined) to incur certain liens or enter into certain sale and lease-back transactions, as well as a change of control provision. The Notes were designated as a net investment hedge of the Company's investment in its Europe subsidiary when issued. During the second quarter of 2017, the Company repaid its Cdn.$300 million three year 2.05% Canadian Dollar Notes. The Company has entered into interest rate swaps with notional amounts totaling $1.5 billion , which effectively converts a portion of the associated U.S. Dollar Notes and Euro Notes from fixed rate to floating rate obligations. These derivative instruments are designated as fair value hedges. The effective interest rates on debt obligations resulting from the Company’s interest rate swaps as of June 30, 2018 were as follows: (a) ten-year 4.15% U.S. Dollar Notes due 2019 – 3.50% ; (b) ten-year 4.00% U.S. Dollar Notes due 2020 – 3.39% ; (c) ten-year 3.125% U.S. Dollar Notes due 2022 – 3.87% ; (d) ten-year 2.75% U.S. Dollar Notes due 2023 – 4.00% ; (e) seven-year 2.65% U.S. Dollar Notes due 2023 – 3.42% ; (f) eight-year 1.00% Euro Notes due 2024 – 0.72% ; (g) ten-year 1.25% Euro Notes due 2025 - 1.30% and (h) ten-year 3.25% U.S. Notes due 2026 – 4.06% .

Stock Compensation

Stock Compensation	6 Months Ended
	Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock Compensation	Stock compensation The Company uses various equity-based compensation programs to provide long-term performance incentives for its global workforce. Currently, these incentives consist principally of stock options, restricted stock units, and to a lesser extent, executive performance shares and restricted stock grants. The Company also sponsors a discounted stock purchase plan in the United States and matching-grant programs in several international locations. Additionally, the Company awards restricted stock to its outside directors. The interim information below should be read in conjunction with the disclosures included within the stock compensation footnote of the Company’s 2017 Annual Report on Form 10-K. The Company classifies pre-tax stock compensation expense in COGS and SG&A expense principally within its Corporate segment. For the periods presented, compensation expense for all types of equity-based programs and the related income tax benefit recognized was as follows: Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Pre-tax compensation expense $ 16 $ 21 $ 33 $ 39 Related income tax benefit $ 4 $ 8 $ 8 $ 14 As of June 30, 2018 , total stock-based compensation cost related to non-vested awards not yet recognized was $112 million and the weighted-average period over which this amount is expected to be recognized was 2 years . Stock options During the year-to-date periods ended June 30, 2018 and July 1, 2017 , the Company granted non-qualified stock options to eligible employees as presented in the following activity tables. Terms of these grants and the Company’s methods for determining grant-date fair value of the awards were consistent with that described within the stock compensation footnote in the Company’s 2017 Annual Report on Form 10-K. Year-to-date period ended June 30, 2018 : Employee and director stock options Shares (millions) Weighted- average exercise price Weighted- average remaining contractual term (yrs.) Aggregate intrinsic value (millions) Outstanding, beginning of period 14 $ 64 Granted 3 70 Exercised (1 ) 57 Forfeitures and expirations (1 ) 70 Outstanding, end of period 15 $ 65 6.6 $ 92 Exercisable, end of period 11 $ 63 5.7 $ 91 Year-to-date period ended July 1, 2017 : Employee and director stock options Shares (millions) Weighted- average exercise price Weighted- average remaining contractual term (yrs.) Aggregate intrinsic value (millions) Outstanding, beginning of period 15 $ 62 Granted 2 73 Exercised (1 ) 57 Forfeitures and expirations — — Outstanding, end of period 16 $ 64 7.0 $ 109 Exercisable, end of period 11 $ 60 6.1 $ 104 The weighted-average grant date fair value of options granted was $10.00 per share and $10.14 per share for the year-to-date periods ended June 30, 2018 and July 1, 2017 , respectively. The fair value was estimated using the following assumptions: Weighted- average expected volatility Weighted- average expected term (years) Weighted- average risk-free interest rate Dividend yield Grants within the year-to-date period ended June 30, 2018: 18 % 6.6 2.82 % 3.00 % Grants within the year-to-date period ended July 1, 2017: 18 % 6.6 2.26 % 2.80 % The total intrinsic value of options exercised was $13 million and $17 million for the year-to-date periods ended June 30, 2018 and July 1, 2017 , respectively. Performance shares In the first quarter of 2018, the Company granted performance shares to a limited number of senior executive-level employees, which entitle these employees to receive a specified number of shares of the Company’s common stock upon vesting. The number of shares earned could range between 0% and 200% of the target amount depending upon performance achieved over the three year vesting period. The performance conditions of the award include adjusted net sales growth and total shareholder return (TSR) of the Company’s common stock relative to a select group of peer companies. A Monte Carlo valuation model was used to determine the fair value of the awards. The TSR performance metric is a market condition. Therefore, compensation cost of the TSR condition is fixed at the measurement date and is not revised based on actual performance. The TSR metric was valued as a multiplier of possible levels of adjusted net sales growth achievement. Compensation cost related to adjusted net sales growth performance is revised for changes in the expected outcome. The 2018 target grant currently corresponds to approximately 188,000 shares, with a grant-date fair value of $72 per share. Based on the market price of the Company’s common stock at June 30, 2018 , the maximum future value that could be awarded to employees on the vesting date for all outstanding performance share awards was as follows: (millions) June 30, 2018 2016 Award $ 18 2017 Award $ 16 2018 Award $ 26 The 2015 performance share award, payable in stock, was settled at 75% of target in February 2018 for a total dollar equivalent of $8 million . Other stock-based awards During the year-to-date period ended June 30, 2018 , the Company granted restricted stock units and a nominal number of restricted stock awards to eligible employees as presented in the following table. Terms of these grants and the Company’s method of determining grant-date fair value were consistent with that described within the stock compensation footnote in the Company’s 2017 Annual Report on Form 10-K. Year-to-date period ended June 30, 2018 : Employee restricted stock units Shares (thousands) Weighted-average grant-date fair value Non-vested, beginning of year 1,673 $ 65 Granted 697 63 Vested (416 ) 59 Forfeited (151 ) 63 Non-vested, end of period 1,803 $ 66 Year-to-date period ended July 1, 2017 : Employee restricted stock and restricted stock units Shares (thousands) Weighted-average grant-date fair value Non-vested, beginning of year 1,166 $ 63 Granted 654 67 Vested (35 ) 57 Forfeited (72 ) 65 Non-vested, end of period 1,713 $ 65

Employee Benefits

Employee Benefits	6 Months Ended
	Jun. 30, 2018
Retirement Benefits [Abstract]
Employee Benefits	Employee benefits The Company sponsors a number of U.S. and foreign pension plans as well as other nonpension postretirement and postemployment plans to provide various benefits for its employees. These plans are described within the footnotes to the Consolidated Financial Statements included in the Company’s 2017 Annual Report on Form 10-K. Components of Company plan benefit expense for the periods presented are included in the tables below. Pension Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 22 $ 25 $ 44 $ 50 Interest cost 41 42 83 83 Expected return on plan assets (90 ) (90 ) (182 ) (180 ) Amortization of unrecognized prior service cost 2 2 4 4 Recognized net (gain) loss (2 ) (2 ) (11 ) 1 Net periodic benefit cost (27 ) (23 ) (62 ) (42 ) Curtailment (gain) loss — (3 ) — (2 ) Total pension (income) expense $ (27 ) $ (26 ) $ (62 ) $ (44 ) Other nonpension postretirement Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 4 $ 4 $ 9 $ 9 Interest cost 9 9 18 18 Expected return on plan assets (23 ) (25 ) (47 ) (49 ) Amortization of unrecognized prior service (gain) (2 ) (2 ) (4 ) (4 ) Recognized net (gain) loss — — — (29 ) Net periodic benefit cost (12 ) (14 ) (24 ) (55 ) Curtailment loss — — — 3 Total postretirement benefit (income) expense $ (12 ) $ (14 ) $ (24 ) $ (52 ) Postemployment Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 1 $ 2 $ 2 $ 3 Interest cost — 1 — 2 Recognized net (gain) loss (1 ) — (2 ) 1 Total postemployment benefit expense $ — $ 3 $ — $ 6 During the year-to-date period ended June 30, 2018, the Company recognized a gain of $11 million related to the remeasurement of a U.S. pension plan as current year distributions are expected to exceed service and interest costs resulting in settlement accounting for that particular plan. The amount of the remeasurement gain recognized during the quarter was due primarily to a favorable change in the discount rate relative to prior year end. During the second quarter of 2017, the Company recognized a curtailment gain of $3 million within a pension plan in conjunction with Project K restructuring activity. The Company remeasured the benefit obligation for the impacted pension plan resulting in a mark-to-market gain of $2 million . The gain was due primarily to plan asset returns in excess of the expected rate of return. During the first quarter of 2017, the Company recognized curtailment losses of $1 million and $3 million within pension and nonpension postretirement plan, respectively, in conjunction with Project K restructuring activity. In addition, the Company remeasured the benefit obligation for impacted pension and nonpension postretirement plans. The remeasurement resulted in a mark-to-market loss of $3 million on a pension plan due primarily to a lower discount rate and a $29 million gain on a nonpension postretirement plan primarily due to plan asset investment returns slightly mitigated by the impact of a lower discount rate. Company contributions to employee benefit plans are summarized as follows: (millions) Pension Nonpension postretirement Total Quarter ended: June 30, 2018 $ 251 $ 4 $ 255 July 1, 2017 $ 2 $ 2 $ 4 Year-to-date period ended: June 30, 2018 $ 266 $ 8 $ 274 July 1, 2017 $ 23 $ 5 $ 28 Full year: Fiscal year 2018 (projected) $ 274 $ 13 $ 287 Fiscal year 2017 (actual) $ 31 $ 13 $ 44 During the second quarter of 2018, the Company made discretionary contributions to certain U.S. pension plans totaling $250 million . Plan funding strategies may be modified in response to management's evaluation of tax deductibility, market conditions, and competing investment alternatives. Additionally, during the first quarter of 2017, the Company recognized expense totaling $26 million related to the exit of several multi-employer plans associated with Project K restructuring activity. This amount represents management's best estimate, actual results could differ. The cash obligation is payable over a maximum 20 -year period; management has not determined the actual period over which the payments will be made.

Income Taxes

Income Taxes	6 Months Ended
	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Income taxes On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (Tax Act). The Tax Act makes broad and complex changes to the U.S. tax code including but not limited to, reducing the corporate tax rate from 35% to 21% , requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that may be electively paid over eight years, and accelerating first year expensing of certain capital expenditures. The SEC staff issued Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act (SAB 118), which provides guidance on accounting for the Tax Act’s impact. SAB 118 provides a measurement period, which in no case should extend beyond one year from the Tax Act enactment date, during which a company may complete the accounting for the impacts of the Tax Act under ASC Topic 740. Per SAB 118, the Company must reflect the income tax effects of the Tax Act in the reporting period in which the accounting under ASC Topic 740 is complete. To the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete, the Company can determine a reasonable estimate for those effects and record a provisional estimate in the financial statements in the first reporting period in which a reasonable estimate can be determined. If a Company cannot determine a provisional estimate to be included in the financial statements, the Company should continue to apply ASC 740 based on the provisions of the tax laws that were in effect immediately prior to the Tax Act being enacted. If a Company is unable to provide a reasonable estimate of the impacts of the Tax Act in a reporting period, a provisional amount must be recorded in the first reporting period in which a reasonable estimate can be determined. The transition tax is on previously untaxed accumulated and current earnings and profits of certain of our foreign subsidiaries. In order to determine the amount of the transition tax, the Company must determine, in addition to other factors, the amount of post-1986 earnings and profits (E&P) of the relevant subsidiaries, as well as the amount of non-U.S. income taxes paid on such earnings. E&P is similar to retained earnings of the subsidiary, but requires other adjustments to conform to U.S. tax rules. The Company's estimate was unchanged during the second quarter of 2018. The Company is awaiting further interpretative guidance, continuing to assess available tax methods and elections, and continuing to gather additional information in order to finalize calculations and complete the accounting for the transition tax liability. In addition to the transition tax, the Tax Act introduced a territorial tax system, which was effective beginning in 2018. The territorial tax system will impact the Company’s overall global capital and legal entity structure, working capital, and repatriation plan on a go-forward basis. In light of the territorial tax system, and other new international provisions within the Tax Act effective beginning in 2018, the Company is currently analyzing its global capital and legal entity structure, working capital requirements, and repatriation plans. Based on the Company's analysis of the territorial tax system and other new international tax provisions as of June 30, 2018 , the Company continues to support the assertion to indefinitely reinvest $2.6 billion of accumulated foreign earnings and profits in Europe and other non-U.S. jurisdictions. As a result, as a reasonable provisional estimate, the Company did not record any new deferred tax liabilities associated with the territorial tax system or any changes to the indefinite reinvestment assertion. Further, it is impracticable for the Company to estimate any future tax costs for any unrecognized deferred tax liabilities associated with its indefinite reinvestment assertion as of June 30, 2018 , because the actual tax liability, if any, would be dependent on complex analysis and calculations considering various tax laws, exchange rates, circumstances existing when a repatriation, sale, or liquidation occurs, or other factors. If there are any changes to our indefinite reinvestment assertion as a result of finalizing our assessment of the new Tax Act, the Company will adjust its provisional estimates, record, and disclose any tax impacts in the appropriate period, pursuant to SAB 118. The consolidated effective tax rate for the quarter ended June 30, 2018 was 15% as compared to 26% in the same quarter of the prior year. The effective tax rate for the second quarter benefited from the reduction of the U.S. corporate tax rate as well as a tax benefit of $31 million attributable to discretionary pension contributions made in the second quarter of 2018 totaling $250 million , which are designated as 2017 tax year contributions. The consolidated effective tax rate for the year-to-date periods ended June 30, 2018 and July 1, 2017 was 14% and 21% , respectively. The effective tax rate for the year-to-date period ended June 30, 2018 benefited from a discretionary pension contribution during the second quarter of 2018, a $44 million discrete tax benefit as a result of the remeasurement of deferred taxes following a legal entity restructuring in the first quarter of 2018, as well as the reduction in the U.S. corporate tax rate effective at the beginning of 2018. These impacts were mitigated somewhat by an increased weighting of taxable income in higher tax rate jurisdictions versus the prior year. The effective tax rate for the year-to-date period ended July 1, 2017 benefited from a deferred tax benefit of $38 million resulting from intercompany transfers of intellectual property. As of June 30, 2018 , the Company classified $8 million of unrecognized tax benefits as a net current liability. Management’s estimate of reasonably possible changes in unrecognized tax benefits during the next twelve months consists of the current liability balance expected to be settled within one year, offset by approximately $6 million of projected additions related primarily to ongoing intercompany transfer pricing activity. Management is currently unaware of any issues under review that could result in significant additional payments, accruals or other material deviation in this estimate. Following is a reconciliation of the Company’s total gross unrecognized tax benefits for the year-to-date period ended June 30, 2018 ; $45 million of this total represents the amount that, if recognized, would affect the Company’s effective income tax rate in future periods. (millions) December 30, 2017 $ 60 Tax positions related to current year: Additions 3 Reductions — Tax positions related to prior years: Additions 2 Reductions (6 ) Settlements (2 ) Lapse in statute of limitations — June 30, 2018 $ 57 The accrual balance for tax-related interest was approximately $25 million at June 30, 2018 .

Derivative Instruments and Fair

Derivative Instruments and Fair Value Measurements	6 Months Ended
	Jun. 30, 2018
Derivative Instruments and Fair Value Measurements [Abstract]
Derivative Instruments and Fair Value Measurements	Derivative instruments and fair value measurements The Company is exposed to certain market risks such as changes in interest rates, foreign currency exchange rates, and commodity prices, which exist as a part of its ongoing business operations. Management uses derivative and nonderivative financial instruments and commodity instruments, including futures, options, and swaps, where appropriate, to manage these risks. Instruments used as hedges must be effective at reducing the risk associated with the exposure being hedged. The Company designates derivatives and nonderivative hedging instruments as cash flow hedges, fair value hedges, net investment hedges, and uses other contracts to reduce volatility in interest rates, foreign currency and commodities. As a matter of policy, the Company does not engage in trading or speculative hedging transactions. Total notional amounts of the Company’s derivative instruments as of June 30, 2018 and December 30, 2017 were as follows: (millions) June 30, December 30, Foreign currency exchange contracts $ 1,518 $ 2,172 Cross-currency contracts 696 — Interest rate contracts 1,468 2,250 Commodity contracts 348 544 Total $ 4,030 $ 4,966 Following is a description of each category in the fair value hierarchy and the financial assets and liabilities of the Company that were included in each category at June 30, 2018 and December 30, 2017 , measured on a recurring basis. Level 1 – Financial assets and liabilities whose values are based on unadjusted quoted prices for identical assets or liabilities in an active market. For the Company, level 1 financial assets and liabilities consist primarily of commodity derivative contracts. Level 2 – Financial assets and liabilities whose values are based on quoted prices in markets that are not active or model inputs that are observable either directly or indirectly for substantially the full term of the asset or liability. For the Company, level 2 financial assets and liabilities consist of interest rate swaps, cross-currency swaps and over-the-counter commodity and currency contracts. The Company’s calculation of the fair value of interest rate swaps is derived from a discounted cash flow analysis based on the terms of the contract and the interest rate curve. Over-the-counter commodity derivatives are valued using an income approach based on the commodity index prices less the contract rate multiplied by the notional amount. Foreign currency contracts are valued using an income approach based on forward rates less the contract rate multiplied by the notional amount. The Company’s calculation of the fair value of level 2 financial assets and liabilities takes into consideration the risk of nonperformance, including counterparty credit risk. Level 3 – Financial assets and liabilities whose values are based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. These inputs reflect management’s own assumptions about the assumptions a market participant would use in pricing the asset or liability. The Company did not have any level 3 financial assets or liabilities as of June 30, 2018 or December 30, 2017 . The following table presents assets and liabilities that were measured at fair value in the Consolidated Balance Sheet on a recurring basis as of June 30, 2018 and December 30, 2017 : Derivatives designated as hedging instruments June 30, 2018 December 30, 2017 (millions) Level 1 Level 2 Total Level 1 Level 2 Total Assets: Cross-currency contracts Other current assets $ — $ 27 $ 27 $ — $ — $ — Interest rate contracts: Other assets (a) — 4 4 — — — Total assets $ — $ 31 $ 31 $ — $ — $ — Liabilities: Interest rate contracts: Other liabilities (a) — (29 ) (29 ) — (54 ) (54 ) Total liabilities $ — $ (29 ) $ (29 ) $ — $ (54 ) $ (54 ) (a) The fair value of the related hedged portion of the Company's long-term debt, a level 2 liability, was $1.5 billion and $2.3 billion as of June 30, 2018 and December 30, 2017 , respectively. Derivatives not designated as hedging instruments June 30, 2018 December 30, 2017 (millions) Level 1 Level 2 Total Level 1 Level 2 Total Assets: Foreign currency exchange contracts: Other current assets $ — $ 26 $ 26 $ — $ 10 $ 10 Commodity contracts: Other current assets 3 — 3 6 — 6 Total assets $ 3 $ 26 $ 29 $ 6 $ 10 $ 16 Liabilities: Foreign currency exchange contracts: Other current liabilities $ — $ (14 ) $ (14 ) $ — $ (14 ) $ (14 ) Commodity contracts: Other current liabilities (10 ) — (10 ) $ (7 ) $ — $ (7 ) Total liabilities $ (10 ) $ (14 ) $ (24 ) $ (7 ) $ (14 ) $ (21 ) The Company has designated its outstanding foreign currency denominated long-term debt as a net investment hedge of a portion of the Company’s investment in its subsidiaries’ foreign currency denominated net assets. The carrying value of this debt was approximately $2.7 billion as of June 30, 2018 and December 30, 2017 . The following amounts were recorded on the Consolidated Balance Sheet related to cumulative basis adjustments for existing fair value hedges as of June 30, 2018 and December 30, 2017 . (millions) Line Item in the Consolidated Balance Sheet in which the hedged item is included Carrying amount of the hedged liabilities Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities (a) June 30, December 30, June 30, December 30, Interest rate contracts Current maturities of long-term debt $ — $ 402 $ — $ 2 Interest rate contracts Long-term debt $ 3,357 $ 3,481 $ (45 ) $ (22 ) (a) The current maturities of hedged long-term debt includes $2 million of hedging adjustment on discontinued hedging relationships as of December 30, 2017 . The hedged long-term debt includes $(19) million and $32 million of hedging adjustment on discontinued hedging relationships as of June 30, 2018 and December 30, 2017 , respectively. The Company has elected to not offset the fair values of derivative assets and liabilities executed with the same counterparty that are generally subject to enforceable netting agreements. However, if the Company were to offset and record the asset and liability balances of derivatives on a net basis, the amounts presented in the Consolidated Balance Sheet as of June 30, 2018 and December 30, 2017 would be adjusted as detailed in the following table: As of June 30 , 2018 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 60 $ (28 ) $ — $ 32 Total liability derivatives $ (53 ) $ 28 $ 25 $ — As of December 30, 2017 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 16 $ (15 ) $ — $ 1 Total liability derivatives $ (75 ) $ 15 $ 37 $ (23 ) The effect of derivative instruments on the Consolidated Statements of Income and Comprehensive Income for the quarters ended June 30, 2018 and July 1, 2017 was as follows: Derivatives and non-derivatives in net investment hedging relationships (millions) Gain (loss) recognized in AOCI Gain (loss) excluded from assessment of hedge effectiveness Location of gain (loss) in income of excluded component June 30, July 1, June 30, July 1, Foreign currency denominated long-term debt $ 146 $ (157 ) $ — $ — Cross-currency contracts 35 — $ 3 — Other income (expense), net Total $ 181 $ (157 ) $ 3 $ — Derivatives not designated as hedging instruments (millions) Location of gain (loss) recognized in income Gain (loss) recognized in income June 30, July 1, Foreign currency exchange contracts COGS $ 4 $ (4 ) Foreign currency exchange contracts Other income (expense), net — (3 ) Foreign currency exchange contracts SG&A — (1 ) Commodity contracts COGS (8 ) 10 Total $ (4 ) $ 2 The effect of derivative instruments on the Consolidated Statements of Income and Comprehensive Income for the year-to-date periods ended June 30, 2018 and July 1, 2017 was as follows: Derivatives and non-derivatives in net investment hedging relationships (millions) Gain (loss) recognized in AOCI Gain (loss) excluded from assessment of hedge effectiveness Location of gain (loss) in income of excluded component June 30, July 1, June 30, July 1, Foreign currency denominated long-term debt $ 73 $ (182 ) $ — $ — Cross-currency contracts 27 — 6 — Other income (expense), net Total $ 100 $ (182 ) $ 6 $ — Derivatives not designated as hedging instruments (millions) Location of gain (loss) recognized in income Gain (loss) recognized in income June 30, July 1, Foreign currency exchange contracts COGS $ 7 $ (13 ) Foreign currency exchange contracts Other income (expense), net (4 ) (8 ) Foreign currency exchange contracts SGA 1 (1 ) Commodity contracts COGS (3 ) (3 ) Commodity contracts SGA — 1 Total $ 1 $ (24 ) The effect of fair value and cash flow hedge accounting on the Consolidated Income Statement for the quarters ended June 30, 2018 and July 1, 2017 : June 30, 2018 July 1, 2017 (millions) Interest Expense Interest Expense Total amounts of income and expense line items presented in the Consolidated Income Statement in which the effects of fair value or cash flow hedges are recorded $ 72 $ 63 Gain (loss) on fair value hedging relationships: Interest contracts: Hedged items (7 ) (3 ) Derivatives designated as hedging instruments 7 8 Gain (loss) on cash flow hedging relationships: Interest contracts: Amount of gain (loss) reclassified from AOCI into income (2 ) (3 ) Foreign exchange contracts: Amount of gain (loss) reclassified from AOCI into income — — The effect of fair value and cash flow hedge accounting on the Consolidated Income Statement for the year-to-date periods ended June 30, 2018 and July 1, 2017 : June 30, 2018 July 1, 2017 (millions) Interest Expense COGS Interest Expense Total amounts of income and expense line items presented in the Consolidated Income Statement in which the effects of fair value or cash flow hedges are recorded $ 141 $ 4,038 $ 124 Gain (loss) on fair value hedging relationships: Interest contracts: Hedged items 25 — 6 Derivatives designated as hedging instruments (21 ) — 4 Gain (loss) on cash flow hedging relationships: Interest contracts: Amount of gain (loss) reclassified from AOCI into income (4 ) — (5 ) Foreign exchange contracts: Amount of gain (loss) reclassified from AOCI into income — 1 — During the next 12 months, the Company expects $7 million of net deferred losses reported in AOCI at June 30, 2018 to be reclassified to income, assuming market rates remain constant through contract maturities. Certain of the Company’s derivative instruments contain provisions requiring the Company to post collateral on those derivative instruments that are in a liability position if the Company’s credit rating is at or below BB+ (S&P), or Baa1 (Moody’s). The fair value of all derivative instruments with credit-risk-related contingent features in a liability position on June 30, 2018 was $15 million . If the credit-risk-related contingent features were triggered as of June 30, 2018 , the Company would be required to post additional collateral of $10 million . In addition, certain derivative instruments contain provisions that would be triggered in the event the Company defaults on its debt agreements. There were no collateral posting as of June 30, 2018 triggered by credit-risk-related contingent features. Financial instruments The carrying values of the Company’s short-term items, including cash, cash equivalents, accounts receivable, accounts payable, notes payable and current maturities of long-term debt approximate fair value. The fair value of the Company’s long-term debt, which are level 2 liabilities, is calculated based on broker quotes. The fair value and carrying value of the Company's long-term debt was $8.9 billion and $8.7 billion , respectively, as of June 30, 2018 . Counterparty credit risk concentration and collateral requirements The Company is exposed to credit loss in the event of nonperformance by counterparties on derivative financial and commodity contracts. Management believes a concentration of credit risk with respect to derivative counterparties is limited due to the credit ratings and use of master netting and reciprocal collateralization agreements with the counterparties and the use of exchange-traded commodity contracts. Master netting agreements apply in situations where the Company executes multiple contracts with the same counterparty. Certain counterparties represent a concentration of credit risk to the Company. If those counterparties fail to perform according to the terms of derivative contracts, this would result in a loss to the Company. As of June 30, 2018 , the Company was not in a significant net asset position with any counterparties with which a master netting agreement would apply. For certain derivative contracts, reciprocal collateralization agreements with counterparties call for the posting of collateral in the form of cash, treasury securities or letters of credit if a fair value loss position to the Company or its counterparties exceeds a certain amount. In addition, the Company is required to maintain cash margin accounts in connection with its open positions for exchange-traded commodity derivative instruments executed with the counterparty that are subject to enforceable netting agreements. As of June 30, 2018 , the Company posted $5 million related to reciprocal collateralization agreements. As of June 30, 2018 the Company posted $17 million in margin deposits for exchange-traded commodity derivative instruments, which was reflected as an increase in accounts receivable, net on the Consolidated Balance Sheet. Management believes concentrations of credit risk with respect to accounts receivable is limited due to the generally high credit quality of the Company’s major customers, as well as the large number and geographic dispersion of smaller customers. However, the Company conducts a disproportionate amount of business with a small number of large multinational grocery retailers, with the five largest accounts encompassing approximately 22% of consolidated trade receivables at June 30, 2018 .

Reportable Segments

Reportable Segments	6 Months Ended
	Jun. 30, 2018
Segment Reporting [Abstract]
Reportable Segments	Reportable segments Kellogg Company is the world’s leading producer of cereal, second largest producer of cookies and crackers, and a leading producer of savory snacks and frozen foods. Additional product offerings include toaster pastries, cereal bars, fruit-flavored snacks, veggie foods and noodles. Kellogg products are manufactured and marketed globally. Principal markets for these products include the United States and United Kingdom. The Company manages its operations through ten operating segments that are based on product category or geographic location. These operating segments are evaluated for similarity with regards to economic characteristics, products, production processes, types or classes of customers, distribution methods and regulatory environments to determine if they can be aggregated into reportable segments. The reportable segments are discussed in greater detail below. The U.S. Snacks operating segment includes cookies, crackers, cereal bars, savory snacks and fruit-flavored snacks. U.S. Morning Foods includes primarily cereal and toaster pastries. U.S. Specialty Channels primarily represents food away from home channels, including food service, convenience, vending, Girl Scouts and food manufacturing. The food service business is mostly non-commercial, serving institutions such as schools and hospitals. The convenience business includes traditional convenience stores as well as alternate retail outlets. North America Other includes the U.S. Frozen, Kashi, Canada, and RXBAR operating segments. As these operating segments are not considered economically similar enough to aggregate with other operating segments and are immaterial for separate disclosure, they have been grouped together as a single reportable segment. The three remaining reportable segments are based on geographic location – Europe which consists principally of European countries, the Middle east and Northern Africa; Latin America which consists of Central and South America and includes Mexico; and Asia Pacific which consists of Sub-Saharan Africa, Australia and other Asian and Pacific markets. The measurement of reportable segment results is based on segment operating profit which is generally consistent with the presentation of operating profit in the Consolidated Statement of Income. Intercompany transactions between operating segments were insignificant in all periods presented. Certain immaterial reclassifications have been made to the prior year amounts to conform with current year presentation. Quarter ended Year-to-date period ended (millions) June 30, July 1, June 30, July 1, Net sales U.S. Snacks $ 745 $ 815 $ 1,507 $ 1,610 U.S. Morning Foods 643 664 1,334 1,372 U.S. Specialty Channels 277 275 675 668 North America Other 462 390 941 782 Europe 621 567 1,208 1,080 Latin America 239 232 471 452 Asia Pacific 373 232 625 459 Consolidated $ 3,360 $ 3,175 $ 6,761 $ 6,423 Operating profit U.S. Snacks $ 111 $ 29 $ 213 $ (7 ) U.S. Morning Foods 138 170 288 327 U.S. Specialty Channels 60 70 140 166 North America Other 76 59 143 108 Europe 97 77 171 143 Latin America 20 26 42 59 Asia Pacific 28 18 55 40 Total Reportable Segments 530 449 1,052 836 Corporate (56 ) (64 ) (68 ) (171 ) Consolidated $ 474 $ 385 $ 984 $ 665 Supplemental product information is provided below for net sales to external customers: Quarter ended Year-to-date period ended (millions) June 30, July 1, June 30, July 1, Snacks $ 1,684 $ 1,635 $ 3,458 $ 3,351 Cereal 1,304 1,305 2,655 2,603 Frozen and other 372 235 648 469 Consolidated $ 3,360 $ 3,175 $ 6,761 $ 6,423

Supplemental Financial Statemen

Supplemental Financial Statement Data Supplemental Financial Statement Data	6 Months Ended
	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Balance Sheet Disclosures [Text Block]	Supplemental Financial Statement Data Consolidated Balance Sheet (millions) June 30, 2018 (unaudited) December 30, 2017 Trade receivables $ 1,339 $ 1,250 Allowance for doubtful accounts (10 ) (10 ) Refundable income taxes 18 23 Other receivables 183 126 Accounts receivable, net $ 1,530 $ 1,389 Raw materials and supplies $ 337 $ 333 Finished goods and materials in process 954 884 Inventories $ 1,291 $ 1,217 Property $ 9,063 $ 9,366 Accumulated depreciation (5,425 ) (5,650 ) Property, net $ 3,638 $ 3,716 Pension $ 290 $ 252 Deferred income taxes 242 246 Other 580 529 Other assets $ 1,112 $ 1,027 Accrued income taxes $ 32 $ 30 Accrued salaries and wages 225 311 Accrued advertising and promotion 570 582 Other 502 551 Other current liabilities $ 1,329 $ 1,474 Income taxes payable $ 182 $ 192 Nonpension postretirement benefits 39 40 Other 327 373 Other liabilities $ 548 $ 605

Accounting Policies (Policies)

Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Basis of presentation	Basis of presentation The unaudited interim financial information of Kellogg Company (the Company) included in this report reflects all adjustments, all of which are of a normal and recurring nature, that management believes are necessary for a fair statement of the results of operations, comprehensive income, financial position, equity and cash flows for the periods presented. This interim information should be read in conjunction with the financial statements and accompanying footnotes within the Company’s 2017 Annual Report on Form 10-K. The condensed balance sheet information at December 30, 2017 was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States. The results of operations for the quarterly period ended June 30, 2018 are not necessarily indicative of the results to be expected for other interim periods or the full year.
Accounts payable	Accounts payable The Company has agreements with certain third parties to provide accounts payable tracking systems which facilitates participating suppliers’ ability to monitor and, if elected, sell payment obligations from the Company to designated third-party financial institutions. Participating suppliers may, at their sole discretion, make offers to sell one or more payment obligations of the Company prior to their scheduled due dates at a discounted price to participating financial institutions. The Company’s goal in entering into these agreements is to capture overall supplier savings, in the form of payment terms or vendor funding, created by facilitating suppliers’ ability to sell payment obligations, while providing them with greater working capital flexibility. We have no economic interest in the sale of these suppliers’ receivables and no direct financial relationship with the financial institutions concerning these services. The Company’s obligations to its suppliers, including amounts due and scheduled payment dates, are not impacted by suppliers’ decisions to sell amounts under these arrangements. However, the Company’s right to offset balances due from suppliers against payment obligations is restricted by this agreement for those payment obligations that have been sold by suppliers.
Revenue Recognition, Policy [Policy Text Block]	Revenue The Company recognizes revenue from the sale of food products which are sold to retailers through direct sales forces, broker and distributor arrangements. The Company also recognizes revenue from the license of our trademarks granted to third parties who uses these trademarks on their merchandise. Revenue from these licenses are not material to the Company. Revenue, which includes shipping and handling charges billed to the customer, is reported net of applicable discounts, returns, allowances, and various government withholding taxes. Contract balances where revenue is recognized in the current period that is not a result of current period performance is not material to the Company. The Company also does not incur costs to obtain or fulfill contracts. Performance obligations The Company recognizes revenue when (or as) performance obligations are satisfied by transferring control of the goods to customers. Control is transferred upon delivery of the goods to the customer. At the time of delivery, the customer is invoiced with payment terms which are commensurate with the customer’s credit profile. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. The Company assesses the goods and services promised in its customers’ purchase orders and identifies a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct. To identify the performance obligations, the Company considers all the goods or services promised, whether explicitly stated or implied based on customary business practices. For a purchase order that has more than one performance obligation, the Company allocates the total consideration to each distinct performance obligation on a relative standalone selling price basis. Significant Judgments The Company offers various forms of trade promotions and the methodologies for determining these provisions are dependent on local customer pricing and promotional practices, which range from contractually fixed percentage price reductions to provisions based on actual occurrence or performance. Where applicable, future provisions are estimated based on a combination of historical patterns and future expectations regarding specific in-market product performance. Our promotional activities are conducted either through the retail trade or directly with consumers and include activities such as in-store displays and events, feature price discounts, consumer coupons, contests and loyalty programs. The costs of these activities are generally recognized at the time the related revenue is recorded, which normally precedes the actual cash expenditure. The recognition of these costs therefore requires management judgment regarding the volume of promotional offers that will be redeemed by either the retail trade or consumer. These estimates are made using various techniques including historical data on performance of similar promotional programs. Differences between estimated expense and actual redemptions are normally insignificant and recognized as a change in management estimate in a subsequent period. Practical expedients The Company elected the following practical expedients in accordance with ASU 2014-09: • Significant financing component - The Company elected not to adjust the promised amount of consideration for the effects of a significant financing component as the Company expects, at contract inception, that the period between the transfer of a promised good or service to a customer and when the customer pays for that good or service will be one year or less. • Shipping and handling costs - The Company elected to account for shipping and handling activities that occur before the customer has obtained control of a good as fulfillment activities (i.e., an expense) rather than as a promised service. • Measurement of transaction price - The Company has elected to exclude from the measurement of transaction price all taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction and collected by the Company from a customer for sales taxes.
New accounting standards adopted and accounting standards to be adopted in future periods	New accounting standards Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities . In August 2017, the FASB issued an ASU intended to simplify hedge accounting by better aligning an entity’s financial reporting for hedging relationships with its risk management activities. The ASU also simplifies the application of the hedge accounting guidance. The new guidance is effective on January 1, 2019, with early adoption permitted. For cash flow hedges existing at the adoption date, the standard requires adoption on a modified retrospective basis with a cumulative-effect adjustment to the Consolidated Balance Sheet as of the beginning of the year of adoption. The amendments to presentation guidance and disclosure requirements are required to be adopted prospectively. The Company adopted the ASU in the first quarter of 2018. The impact of adoption was immaterial to the financial statements. Improving the Presentation of net Periodic Pension Cost and net Periodic Postretirement Benefit Cost. In March 2017, the FASB issued an ASU to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The ASU requires that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. The amendments in this ASU should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. The Company adopted the ASU in the first quarter of 2018. Simplifying the test for goodwill impairment. In January 2017, the FASB issued an ASU to simplify how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. The ASU is effective for an entity's annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The amendments in this ASU should be applied on a prospective basis. The Company adopted the ASU in the first quarter of 2018 with no impact. Statement of Cash Flows. In August 2016, the FASB issued an ASU to provide cash flow statement classification guidance for certain cash receipts and payments including (a) debt prepayment or extinguishment costs; (b) contingent consideration payments made after a business combination; (c) insurance settlement proceeds; (d) distributions from equity method investees; (e) beneficial interests in securitization transactions and (f) application of the predominance principle for cash receipts and payments with aspects of more than one class of cash flows. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. Early adoption is permitted, including adoption in an interim period, in which case adjustments should be reflected as of the beginning of the fiscal year that includes the interim period. The amendments in this ASU should be applied retrospectively. The Company adopted the new ASU in the first quarter of 2018. Recognition and measurement of financial assets and liabilities. In January 2016, the FASB issued an ASU which requires equity investments that are not accounted for under the equity method of accounting to be measured at fair value with changes recognized in net income and which updates certain presentation and disclosure requirements. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. Early adoption can be elected for all financial statements of fiscal years and interim periods that have not yet been issued or that have not yet been made available for issuance. Entities should apply the update by means of a cumulative-effect adjustment to the balance sheet as of the beginning of the fiscal year of adoption. The Company adopted the updated standard in the first quarter of 2018. The impact of adoption was immaterial to the financial statements. Revenue from contracts with customers. In May 2014, the FASB issued an ASU, as amended, which provides guidance for accounting for revenue from contracts with customers. The core principle of this ASU is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration the entity expects to be entitled to in exchange for those goods or services. To achieve that core principle, an entity would be required to apply the following five steps: 1) identify the contract(s) with a customer; 2) identify the performance obligations in the contract; 3) determine the transaction price; 4) allocate the transaction price to the performance obligations in the contract and 5) recognize revenue when (or as) the entity satisfies a performance obligation. The Company adopted the updated standard in the first quarter of 2018 using the full retrospective method and restated previously reported amounts. In connection with the adoption, the Company made reclassification of certain customer allowances. The adoption effects relate to the timing of recognition and classification of certain promotional allowances. The updated revenue standard also required additional disaggregated revenue disclosures. Refer to Impacts to Previously Reported Results below for the impact of adoption of the standard on our consolidated financial statements. Impacts to Previously Reported Results Adoption of the standards related to revenue recognition, pension and cash flow impacted our previously reported results as follows: As of December 30, 2017 Consolidated Balance Sheet Previously Reported Revenue Recognition ASU Restated Other assets $ 1,026 $ 1 $ 1,027 Other current liabilities $ 1,431 $ 43 $ 1,474 Deferred income taxes $ 363 $ (8 ) $ 355 Retained earnings $ 7,103 $ (34 ) $ 7,069 Quarter ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 3,187 $ (12 ) $ — $ 3,175 Cost of goods sold $ 1,922 $ (17 ) $ 45 $ 1,950 Selling, general and administrative expense $ 812 $ 4 $ 24 $ 840 Other income (expense), net $ (6 ) $ — $ 69 $ 63 Income taxes $ 102 $ — $ — $ 102 Net income $ 282 $ 1 $ — $ 283 Per share amounts: Basic earnings $ 0.81 $ — $ — $ 0.81 Diluted earnings $ 0.80 $ — $ — $ 0.80 Year-to-date period ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 6,441 $ (18 ) $ — $ 6,423 Cost of goods sold $ 3,972 $ (33 ) $ 99 $ 4,038 Selling, general and administrative expense $ 1,656 $ 9 $ 55 $ 1,720 Other income (expense), net $ (3 ) $ — $ 154 $ 151 Income taxes $ 144 $ 1 $ — $ 145 Net income $ 544 $ 5 $ — $ 549 Per share amounts: Basic earnings $ 1.56 $ 0.01 $ — $ 1.57 Diluted earnings $ 1.54 $ 0.02 $ — $ 1.56 Year-to-date period ended July 1, 2017 Consolidated Statement of Cash Flows Previously Reported Revenue Recognition ASU Cash Flow ASU Restated Net income $ 544 $ 5 $ — $ 549 Deferred income taxes $ (67 ) $ 1 $ — $ (66 ) Other $ 30 $ — $ 6 $ 36 Trade receivables $ (148 ) $ — $ (568 ) $ (716 ) All other current assets and liabilities, net $ 10 $ (6 ) $ — $ 4 Net cash provided by (used in) operating activities $ 654 $ — $ (562 ) $ 92 Collections of deferred purchase price on securitized trade receivables $ — $ — $ 568 $ 568 Investment in unconsolidated entities, net proceeds $ 6 $ — $ (6 ) $ — Net cash provided by (used in) investing activities $ (262 ) $ — $ 562 $ 300 Accounting standards to be adopted in future periods Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. In February 2018, the FASB issued an ASU permitting a company to reclassify the disproportionate income tax effects of the Tax Cuts and Jobs Act of 2017 on items within accumulated other comprehensive income (AOCI). The reclassification is optional. Regardless of whether or not a company opts to make the reclassification, the new guidance requires all companies to include certain disclosures in their financial statements. The guidance is effective for all fiscal years beginning after December 15, 2018. Early adoption is permitted. The Company is currently assessing when to adopt the ASU and the impact of adoption. Leases. In February 2016, the FASB issued an ASU which will require the recognition of lease assets and lease liabilities by lessees for all leases with terms greater than 12 months. The distinction between finance leases and operating leases will remain, with similar classification criteria as current GAAP to distinguish between capital and operating leases. The principal difference from current guidance is that the lease assets and lease liabilities arising from operating leases will be recognized on the Consolidated Balance Sheet. Lessor accounting remains substantially similar to current GAAP. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2018. Early adoption is permitted. The Company will adopt the ASU in the first quarter of 2019, and is currently evaluating the impact that implementing this ASU will have on its financial statements.

Accounting Policies Accounting

Accounting Policies Accounting Policies (Tables)	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]	Impacts to Previously Reported Results Adoption of the standards related to revenue recognition, pension and cash flow impacted our previously reported results as follows: As of December 30, 2017 Consolidated Balance Sheet Previously Reported Revenue Recognition ASU Restated Other assets $ 1,026 $ 1 $ 1,027 Other current liabilities $ 1,431 $ 43 $ 1,474 Deferred income taxes $ 363 $ (8 ) $ 355 Retained earnings $ 7,103 $ (34 ) $ 7,069 Quarter ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 3,187 $ (12 ) $ — $ 3,175 Cost of goods sold $ 1,922 $ (17 ) $ 45 $ 1,950 Selling, general and administrative expense $ 812 $ 4 $ 24 $ 840 Other income (expense), net $ (6 ) $ — $ 69 $ 63 Income taxes $ 102 $ — $ — $ 102 Net income $ 282 $ 1 $ — $ 283 Per share amounts: Basic earnings $ 0.81 $ — $ — $ 0.81 Diluted earnings $ 0.80 $ — $ — $ 0.80 Year-to-date period ended July 1, 2017 Consolidated Statement of Income Previously Reported Revenue Recognition ASU Pension ASU Restated Net sales $ 6,441 $ (18 ) $ — $ 6,423 Cost of goods sold $ 3,972 $ (33 ) $ 99 $ 4,038 Selling, general and administrative expense $ 1,656 $ 9 $ 55 $ 1,720 Other income (expense), net $ (3 ) $ — $ 154 $ 151 Income taxes $ 144 $ 1 $ — $ 145 Net income $ 544 $ 5 $ — $ 549 Per share amounts: Basic earnings $ 1.56 $ 0.01 $ — $ 1.57 Diluted earnings $ 1.54 $ 0.02 $ — $ 1.56 Year-to-date period ended July 1, 2017 Consolidated Statement of Cash Flows Previously Reported Revenue Recognition ASU Cash Flow ASU Restated Net income $ 544 $ 5 $ — $ 549 Deferred income taxes $ (67 ) $ 1 $ — $ (66 ) Other $ 30 $ — $ 6 $ 36 Trade receivables $ (148 ) $ — $ (568 ) $ (716 ) All other current assets and liabilities, net $ 10 $ (6 ) $ — $ 4 Net cash provided by (used in) operating activities $ 654 $ — $ (562 ) $ 92 Collections of deferred purchase price on securitized trade receivables $ — $ — $ 568 $ 568 Investment in unconsolidated entities, net proceeds $ 6 $ — $ (6 ) $ — Net cash provided by (used in) investing activities $ (262 ) $ — $ 562 $ 300

Acquisitions, West Africa Inv22

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2018
Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table Text Block]	The assets and liabilities are included in the Consolidated Balance Sheet as of June 30, 2018 within the Asia-Pacific reporting segment. The acquired assets and assumed liabilities include the following: (millions) May 2, 2018 Current assets $ 118 Property 41 Goodwill 616 Intangible assets subject to amortization, primarily customer relationships 425 Intangible assets not subject to amortization, primarily distribution rights 373 Deferred tax liability (256 ) Other liabilities (148 ) Noncontrolling interest (552 ) $ 617 The assets and liabilities are included in the Consolidated Balance Sheet as of June 30, 2018 within the North America Other reporting segment. The acquired assets and assumed liabilities include the following: (millions) October 27, 2017 Current assets $ 42 Goodwill 373 Intangible assets, primarily indefinite-lived brands 203 Current liabilities (23 ) $ 595
Business Acquisition, Pro Forma Information [Table Text Block]	The unaudited pro forma historical net sales, as if Multipro had been acquired at the beginning of 2017 are estimated as follows: Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Net sales $ 3,433 $ 3,326 $ 7,043 $ 6,739
Carrying Amount of Goodwill	(millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 3,568 $ 131 $ 82 $ 836 $ 414 $ 244 $ 229 $ 5,504 Additions — — — — — — 616 616 Purchase price allocation adjustment — — — (1 ) — — — (1 ) Purchase price adjustment — — — (1 ) — — — (1 ) Currency translation adjustment — — — (2 ) (12 ) (25 ) (7 ) (46 ) June 30, 2018 $ 3,568 $ 131 $ 82 $ 832 $ 402 $ 219 $ 838 $ 6,072
Intangible Assets Subject to Amortization	Gross carrying amount (millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 42 $ 8 $ — $ 22 $ 45 $ 74 $ 10 $ 201 Additions — — — — — — 425 425 Purchase price allocation adjustment — — — 2 — — — 2 Currency translation adjustment — — — — (1 ) (10 ) (3 ) (14 ) June 30, 2018 $ 42 $ 8 $ — $ 24 $ 44 $ 64 $ 432 $ 614 Accumulated Amortization December 30, 2017 $ 22 $ 8 $ — $ 5 $ 18 $ 10 $ 4 $ 67 Amortization 2 — — 1 1 2 3 9 Currency translation adjustment — — — — — (1 ) — (1 ) June 30, 2018 $ 24 $ 8 $ — $ 6 $ 19 $ 11 $ 7 $ 75 Intangible assets subject to amortization, net December 30, 2017 $ 20 $ — $ — $ 17 $ 27 $ 64 $ 6 $ 134 Additions — — — — — — 425 425 Purchase price allocation adjustment — — — 2 — — — 2 Amortization (2 ) — — (1 ) (1 ) (2 ) (3 ) (9 ) Currency translation adjustment — — — — (1 ) (9 ) (3 ) (13 ) June 30, 2018 $ 18 $ — $ — $ 18 $ 25 $ 53 $ 425 $ 539
Intangible Assets Not Subject to Amortization	(millions) U.S. Snacks U.S. Morning Foods U.S. Specialty Channels North America Other Europe Latin America Asia Pacific Consoli- dated December 30, 2017 $ 1,625 $ — $ — $ 360 $ 434 $ 86 $ — $ 2,505 Additions — — — — — — 373 373 Currency translation adjustment — — — — (10 ) (13 ) (3 ) (26 ) June 30, 2018 $ 1,625 $ — $ — $ 360 $ 424 $ 73 $ 370 $ 2,852

Restructuring and Cost Reduct23

Restructuring and Cost Reduction Activities (Tables)	6 Months Ended
	Jun. 30, 2018
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Cost Reduction Activities	Quarter ended Year-to-date period ended Program costs to date (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 June 30, 2018 Employee related costs $ 1 $ 28 $ 5 $ 135 $ 539 Pension curtailment (gain) loss, net — (3 ) — 1 (137 ) Asset related costs (14 ) 20 (10 ) 30 259 Asset impairment — — — — 155 Other costs 18 51 30 72 586 Total $ 5 $ 96 $ 25 $ 238 $ 1,402 Quarter ended Year-to-date period ended Program costs to date (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 June 30, 2018 U.S. Snacks $ 3 $ 79 9 $ 199 $ 512 U.S. Morning Foods 10 1 12 2 263 U.S. Specialty Channels — 1 — 1 21 North America Other (1 ) 2 1 9 141 Europe (13 ) 2 (6 ) 8 324 Latin America 2 3 4 4 31 Asia Pacific 3 3 3 4 90 Corporate 1 5 2 11 20 Total $ 5 $ 96 $ 25 $ 238 $ 1,402
Schedule of Exit Cost Reserves	Employee Related Costs Pension curtailment (gain) loss, net Asset Impairment Asset Related Costs Other Costs Total Liability as of December 31, 2017 $ 97 $ — $ — $ — $ 63 $ 160 2018 restructuring charges 5 — — (10 ) 30 25 Cash payments (43 ) — — — (76 ) (119 ) Non-cash charges and other — — — 10 — 10 Liability as of June 30, 2018 $ 59 $ — $ — $ — $ 17 $ 76

Equity (Tables)

Equity (Tables)	6 Months Ended
	Jun. 30, 2018
Equity [Abstract]
Schedule of Earnings Per Share	Quarters ended June 30, 2018 and July 1, 2017 : (millions, except per share data) Net income Average shares outstanding Earnings per share 2018 Basic $ 596 347 $ 1.72 Dilutive potential common shares 1 (0.01 ) Diluted $ 596 348 $ 1.71 2017 Basic $ 283 349 $ 0.81 Dilutive potential common shares 3 (0.01 ) Diluted $ 283 352 $ 0.80 Year-to-date periods ended June 30, 2018 and July 1, 2017 : (millions, except per share data) Net income Average shares outstanding Earnings per share 2018 Basic $ 1,040 346 $ 3.00 Dilutive potential common shares 2 (0.01 ) Diluted $ 1,040 348 $ 2.99 2017 Basic $ 549 350 $ 1.57 Dilutive potential common shares 3 (0.01 ) Diluted $ 549 353 $ 1.56
Reclassifications Out of AOCI	Reclassifications out of AOCI for the quarter and year-to-date periods ended June 30, 2018 and July 1, 2017 , consisted of the following: (millions) Details about AOCI components Amount reclassified from AOCI Line item impacted within Income Statement Quarter ended June 30, 2018 Year-to-date period ended June 30, 2018 (Gains) losses on cash flow hedges: Foreign currency exchange contracts $ — $ — COGS Interest rate contracts 2 4 Interest expense $ 2 $ 4 Total before tax (1 ) (1 ) Tax expense (benefit) $ 1 $ 3 Net of tax Amortization of postretirement and postemployment benefits: Net experience loss $ (1 ) $ (2 ) OIE $ (1 ) $ (2 ) Total before tax — — Tax expense (benefit) $ (1 ) $ (2 ) Net of tax Total reclassifications $ — $ 1 Net of tax (millions) Details about AOCI components Amount reclassified from AOCI Line item impacted within Income Statement Quarter ended July 1, 2017 Year-to-date period ended July 1, 2017 (Gains) losses on cash flow hedges: Foreign currency exchange contracts $ — $ (1 ) COGS Foreign currency exchange contracts — — SGA Interest rate contracts 2 5 Interest expense Commodity contracts — — COGS $ 2 $ 4 Total before tax — (1 ) Tax expense (benefit) $ 2 $ 3 Net of tax Amortization of postretirement and postemployment benefits: Net experience loss $ — $ 1 See Note 8 for further details Prior service cost — — See Note 8 for further details $ — $ 1 Total before tax — — Tax expense (benefit) $ — $ 1 Net of tax Total reclassifications $ 2 $ 4 Net of tax
Summary of Accumulated Other Comprehensive Income (Loss)	(millions) June 30, December 30, 2017 Foreign currency translation adjustments $ (1,473 ) $ (1,426 ) Cash flow hedges — unrealized net gain (loss) (56 ) (61 ) Postretirement and postemployment benefits: Net experience loss 32 34 Prior service cost (4 ) (4 ) Total accumulated other comprehensive income (loss) $ (1,501 ) $ (1,457 )

Debt (Tables)

Debt (Tables)	6 Months Ended
	Jun. 30, 2018
Debt Disclosure [Abstract]
Components of Notes Payable	June 30, 2018 December 30, 2017 (millions) Principal amount Effective interest rate Principal amount Effective interest rate (a) U.S. commercial paper $ 197 2.26 % $ 196 1.76 % Europe commercial paper — — % 96 (0.32 )% Bank borrowings 127 78 Total $ 324 $ 370 (a) Negative effective interest rates on certain borrowings in Europe are the result of efforts by the European Central Bank to stimulate the economy in the eurozone.

Stock Compensation (Tables)

Stock Compensation (Tables)	6 Months Ended
	Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Compensation Expense for Equity-Based Programs and Related Income Tax Benefits	Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Pre-tax compensation expense $ 16 $ 21 $ 33 $ 39 Related income tax benefit $ 4 $ 8 $ 8 $ 14
Summary of Stock Option Activity	Year-to-date period ended June 30, 2018 : Employee and director stock options Shares (millions) Weighted- average exercise price Weighted- average remaining contractual term (yrs.) Aggregate intrinsic value (millions) Outstanding, beginning of period 14 $ 64 Granted 3 70 Exercised (1 ) 57 Forfeitures and expirations (1 ) 70 Outstanding, end of period 15 $ 65 6.6 $ 92 Exercisable, end of period 11 $ 63 5.7 $ 91 Year-to-date period ended July 1, 2017 : Employee and director stock options Shares (millions) Weighted- average exercise price Weighted- average remaining contractual term (yrs.) Aggregate intrinsic value (millions) Outstanding, beginning of period 15 $ 62 Granted 2 73 Exercised (1 ) 57 Forfeitures and expirations — — Outstanding, end of period 16 $ 64 7.0 $ 109 Exercisable, end of period 11 $ 60 6.1 $ 104
Schedule of Fair Value Assumptions	Weighted- average expected volatility Weighted- average expected term (years) Weighted- average risk-free interest rate Dividend yield Grants within the year-to-date period ended June 30, 2018: 18 % 6.6 2.82 % 3.00 % Grants within the year-to-date period ended July 1, 2017: 18 % 6.6 2.26 % 2.80 %
Maximum Future Value of Performance Shares	(millions) June 30, 2018 2016 Award $ 18 2017 Award $ 16 2018 Award $ 26
Schedule of Restricted Stock Activity	Year-to-date period ended June 30, 2018 : Employee restricted stock units Shares (thousands) Weighted-average grant-date fair value Non-vested, beginning of year 1,673 $ 65 Granted 697 63 Vested (416 ) 59 Forfeited (151 ) 63 Non-vested, end of period 1,803 $ 66 Year-to-date period ended July 1, 2017 : Employee restricted stock and restricted stock units Shares (thousands) Weighted-average grant-date fair value Non-vested, beginning of year 1,166 $ 63 Granted 654 67 Vested (35 ) 57 Forfeited (72 ) 65 Non-vested, end of period 1,713 $ 65

Employee Benefits (Tables)

Employee Benefits (Tables)	6 Months Ended
	Jun. 30, 2018
Retirement Benefits [Abstract]
Components of Plan Benefit Expense	Pension Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 22 $ 25 $ 44 $ 50 Interest cost 41 42 83 83 Expected return on plan assets (90 ) (90 ) (182 ) (180 ) Amortization of unrecognized prior service cost 2 2 4 4 Recognized net (gain) loss (2 ) (2 ) (11 ) 1 Net periodic benefit cost (27 ) (23 ) (62 ) (42 ) Curtailment (gain) loss — (3 ) — (2 ) Total pension (income) expense $ (27 ) $ (26 ) $ (62 ) $ (44 ) Other nonpension postretirement Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 4 $ 4 $ 9 $ 9 Interest cost 9 9 18 18 Expected return on plan assets (23 ) (25 ) (47 ) (49 ) Amortization of unrecognized prior service (gain) (2 ) (2 ) (4 ) (4 ) Recognized net (gain) loss — — — (29 ) Net periodic benefit cost (12 ) (14 ) (24 ) (55 ) Curtailment loss — — — 3 Total postretirement benefit (income) expense $ (12 ) $ (14 ) $ (24 ) $ (52 ) Postemployment Quarter ended Year-to-date period ended (millions) June 30, 2018 July 1, 2017 June 30, 2018 July 1, 2017 Service cost $ 1 $ 2 $ 2 $ 3 Interest cost — 1 — 2 Recognized net (gain) loss (1 ) — (2 ) 1 Total postemployment benefit expense $ — $ 3 $ — $ 6
Contributions to Employee Benefit Plans	(millions) Pension Nonpension postretirement Total Quarter ended: June 30, 2018 $ 251 $ 4 $ 255 July 1, 2017 $ 2 $ 2 $ 4 Year-to-date period ended: June 30, 2018 $ 266 $ 8 $ 274 July 1, 2017 $ 23 $ 5 $ 28 Full year: Fiscal year 2018 (projected) $ 274 $ 13 $ 287 Fiscal year 2017 (actual) $ 31 $ 13 $ 44

Income Taxes (Tables)

Income Taxes (Tables)	6 Months Ended
	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Reconciliation of Total Gross Unrecognized Tax Benefits	(millions) December 30, 2017 $ 60 Tax positions related to current year: Additions 3 Reductions — Tax positions related to prior years: Additions 2 Reductions (6 ) Settlements (2 ) Lapse in statute of limitations — June 30, 2018 $ 57

Derivative Instruments and Fa29

Derivative Instruments and Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2018
Derivative Instruments and Fair Value Measurements [Abstract]
Schedule of Total Notional Amounts of Derivative Instruments	(millions) June 30, December 30, Foreign currency exchange contracts $ 1,518 $ 2,172 Cross-currency contracts 696 — Interest rate contracts 1,468 2,250 Commodity contracts 348 544 Total $ 4,030 $ 4,966
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	The following table presents assets and liabilities that were measured at fair value in the Consolidated Balance Sheet on a recurring basis as of June 30, 2018 and December 30, 2017 : Derivatives designated as hedging instruments June 30, 2018 December 30, 2017 (millions) Level 1 Level 2 Total Level 1 Level 2 Total Assets: Cross-currency contracts Other current assets $ — $ 27 $ 27 $ — $ — $ — Interest rate contracts: Other assets (a) — 4 4 — — — Total assets $ — $ 31 $ 31 $ — $ — $ — Liabilities: Interest rate contracts: Other liabilities (a) — (29 ) (29 ) — (54 ) (54 ) Total liabilities $ — $ (29 ) $ (29 ) $ — $ (54 ) $ (54 ) (a) The fair value of the related hedged portion of the Company's long-term debt, a level 2 liability, was $1.5 billion and $2.3 billion as of June 30, 2018 and December 30, 2017 , respectively. Derivatives not designated as hedging instruments June 30, 2018 December 30, 2017 (millions) Level 1 Level 2 Total Level 1 Level 2 Total Assets: Foreign currency exchange contracts: Other current assets $ — $ 26 $ 26 $ — $ 10 $ 10 Commodity contracts: Other current assets 3 — 3 6 — 6 Total assets $ 3 $ 26 $ 29 $ 6 $ 10 $ 16 Liabilities: Foreign currency exchange contracts: Other current liabilities $ — $ (14 ) $ (14 ) $ — $ (14 ) $ (14 ) Commodity contracts: Other current liabilities (10 ) — (10 ) $ (7 ) $ — $ (7 ) Total liabilities $ (10 ) $ (14 ) $ (24 ) $ (7 ) $ (14 ) $ (21 )
Schedule of Derivative Instruments in Statement of Financial Position Fair Value	The following amounts were recorded on the Consolidated Balance Sheet related to cumulative basis adjustments for existing fair value hedges as of June 30, 2018 and December 30, 2017 . (millions) Line Item in the Consolidated Balance Sheet in which the hedged item is included Carrying amount of the hedged liabilities Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities (a) June 30, December 30, June 30, December 30, Interest rate contracts Current maturities of long-term debt $ — $ 402 $ — $ 2 Interest rate contracts Long-term debt $ 3,357 $ 3,481 $ (45 ) $ (22 ) (a) The current maturities of hedged long-term debt includes $2 million of hedging adjustment on discontinued hedging relationships as of December 30, 2017 . The hedged long-term debt includes $(19) million and $32 million of hedging adjustment on discontinued hedging relationships as of June 30, 2018 and December 30, 2017 , respectively.
Schedule of Offsetting Assets	As of June 30 , 2018 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 60 $ (28 ) $ — $ 32 Total liability derivatives $ (53 ) $ 28 $ 25 $ — As of December 30, 2017 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 16 $ (15 ) $ — $ 1 Total liability derivatives $ (75 ) $ 15 $ 37 $ (23 )
Schedule of Offsetting Liabilities	As of June 30 , 2018 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 60 $ (28 ) $ — $ 32 Total liability derivatives $ (53 ) $ 28 $ 25 $ — As of December 30, 2017 : Gross Amounts Not Offset in the Consolidated Balance Sheet Amounts Presented in the Consolidated Balance Sheet Financial Instruments Cash Collateral Received/ Posted Net Amount Total asset derivatives $ 16 $ (15 ) $ — $ 1 Total liability derivatives $ (75 ) $ 15 $ 37 $ (23 )
Schedule of the Effect of Derivative Instruments on the Consolidated Statements of Income and Comprehensive Income	The effect of derivative instruments on the Consolidated Statements of Income and Comprehensive Income for the quarters ended June 30, 2018 and July 1, 2017 was as follows: Derivatives and non-derivatives in net investment hedging relationships (millions) Gain (loss) recognized in AOCI Gain (loss) excluded from assessment of hedge effectiveness Location of gain (loss) in income of excluded component June 30, July 1, June 30, July 1, Foreign currency denominated long-term debt $ 146 $ (157 ) $ — $ — Cross-currency contracts 35 — $ 3 — Other income (expense), net Total $ 181 $ (157 ) $ 3 $ — Derivatives not designated as hedging instruments (millions) Location of gain (loss) recognized in income Gain (loss) recognized in income June 30, July 1, Foreign currency exchange contracts COGS $ 4 $ (4 ) Foreign currency exchange contracts Other income (expense), net — (3 ) Foreign currency exchange contracts SG&A — (1 ) Commodity contracts COGS (8 ) 10 Total $ (4 ) $ 2 The effect of derivative instruments on the Consolidated Statements of Income and Comprehensive Income for the year-to-date periods ended June 30, 2018 and July 1, 2017 was as follows: Derivatives and non-derivatives in net investment hedging relationships (millions) Gain (loss) recognized in AOCI Gain (loss) excluded from assessment of hedge effectiveness Location of gain (loss) in income of excluded component June 30, July 1, June 30, July 1, Foreign currency denominated long-term debt $ 73 $ (182 ) $ — $ — Cross-currency contracts 27 — 6 — Other income (expense), net Total $ 100 $ (182 ) $ 6 $ — Derivatives not designated as hedging instruments (millions) Location of gain (loss) recognized in income Gain (loss) recognized in income June 30, July 1, Foreign currency exchange contracts COGS $ 7 $ (13 ) Foreign currency exchange contracts Other income (expense), net (4 ) (8 ) Foreign currency exchange contracts SGA 1 (1 ) Commodity contracts COGS (3 ) (3 ) Commodity contracts SGA — 1 Total $ 1 $ (24 ) The effect of fair value and cash flow hedge accounting on the Consolidated Income Statement for the quarters ended June 30, 2018 and July 1, 2017 : June 30, 2018 July 1, 2017 (millions) Interest Expense Interest Expense Total amounts of income and expense line items presented in the Consolidated Income Statement in which the effects of fair value or cash flow hedges are recorded $ 72 $ 63 Gain (loss) on fair value hedging relationships: Interest contracts: Hedged items (7 ) (3 ) Derivatives designated as hedging instruments 7 8 Gain (loss) on cash flow hedging relationships: Interest contracts: Amount of gain (loss) reclassified from AOCI into income (2 ) (3 ) Foreign exchange contracts: Amount of gain (loss) reclassified from AOCI into income — — The effect of fair value and cash flow hedge accounting on the Consolidated Income Statement for the year-to-date periods ended June 30, 2018 and July 1, 2017 : June 30, 2018 July 1, 2017 (millions) Interest Expense COGS Interest Expense Total amounts of income and expense line items presented in the Consolidated Income Statement in which the effects of fair value or cash flow hedges are recorded $ 141 $ 4,038 $ 124 Gain (loss) on fair value hedging relationships: Interest contracts: Hedged items 25 — 6 Derivatives designated as hedging instruments (21 ) — 4 Gain (loss) on cash flow hedging relationships: Interest contracts: Amount of gain (loss) reclassified from AOCI into income (4 ) — (5 ) Foreign exchange contracts: Amount of gain (loss) reclassified from AOCI into income — 1 —

Reportable Segments (Tables)

Reportable Segments (Tables)	6 Months Ended
	Jun. 30, 2018
Segment Reporting [Abstract]
Schedule of Reportable Segment Information	Quarter ended Year-to-date period ended (millions) June 30, July 1, June 30, July 1, Net sales U.S. Snacks $ 745 $ 815 $ 1,507 $ 1,610 U.S. Morning Foods 643 664 1,334 1,372 U.S. Specialty Channels 277 275 675 668 North America Other 462 390 941 782 Europe 621 567 1,208 1,080 Latin America 239 232 471 452 Asia Pacific 373 232 625 459 Consolidated $ 3,360 $ 3,175 $ 6,761 $ 6,423 Operating profit U.S. Snacks $ 111 $ 29 $ 213 $ (7 ) U.S. Morning Foods 138 170 288 327 U.S. Specialty Channels 60 70 140 166 North America Other 76 59 143 108 Europe 97 77 171 143 Latin America 20 26 42 59 Asia Pacific 28 18 55 40 Total Reportable Segments 530 449 1,052 836 Corporate (56 ) (64 ) (68 ) (171 ) Consolidated $ 474 $ 385 $ 984 $ 665
Revenue from External Customers by Products and Services	Supplemental product information is provided below for net sales to external customers: Quarter ended Year-to-date period ended (millions) June 30, July 1, June 30, July 1, Snacks $ 1,684 $ 1,635 $ 3,458 $ 3,351 Cereal 1,304 1,305 2,655 2,603 Frozen and other 372 235 648 469 Consolidated $ 3,360 $ 3,175 $ 6,761 $ 6,423

Supplemental Financial Statem31

Supplemental Financial Statement Data Supplemental Financial Statement Data (Tables)	6 Months Ended
	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Financial Data Consolidated Balance Sheet [Table Text Block]	Consolidated Balance Sheet (millions) June 30, 2018 (unaudited) December 30, 2017 Trade receivables $ 1,339 $ 1,250 Allowance for doubtful accounts (10 ) (10 ) Refundable income taxes 18 23 Other receivables 183 126 Accounts receivable, net $ 1,530 $ 1,389 Raw materials and supplies $ 337 $ 333 Finished goods and materials in process 954 884 Inventories $ 1,291 $ 1,217 Property $ 9,063 $ 9,366 Accumulated depreciation (5,425 ) (5,650 ) Property, net $ 3,638 $ 3,716 Pension $ 290 $ 252 Deferred income taxes 242 246 Other 580 529 Other assets $ 1,112 $ 1,027 Accrued income taxes $ 32 $ 30 Accrued salaries and wages 225 311 Accrued advertising and promotion 570 582 Other 502 551 Other current liabilities $ 1,329 $ 1,474 Income taxes payable $ 182 $ 192 Nonpension postretirement benefits 39 40 Other 327 373 Other liabilities $ 548 $ 605

Accounting Policies - Narrative

Accounting Policies - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Impact of new accounting standards
Obligations placed in accounts payable tracking system	$ 834	$ 850
Obligations sold by participating suppliers	$ 572	$ 674

Accounting Policies Impacts of

Accounting Policies Impacts of Adoption of Standards Related to Revenue Recognition, Leases and Cash Flow to Previously Reported Results (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Consolidated Balance Sheet
Other assets	$ 1,112		$ 1,112		$ 1,027
Other current liabilities	1,329		1,329		1,474
Deferred income taxes	714		714		355
Retained earnings	7,743		7,743		7,069
Consolidated Statement of Income
Net sales	3,360	$ 3,175	6,761	$ 6,423
Cost of goods sold	2,151	1,950	4,300	4,038
Selling, general and administrative expense	735	840	1,477	1,720
Other income (expense), net	69	63	139	151
Income taxes	70	102	137	145
Net income attributable to Kellogg Company	$ 596	$ 283	$ 1,040	$ 549
Per share amounts:
Basic earnings (in dollars per share)	$ 1.72	$ 0.81	$ 3	$ 1.57
Diluted earnings (in dollars per share)	$ 1.71	$ 0.80	$ 2.99	$ 1.56
Consolidated Statement of Cash Flows
Net income	$ 599	$ 283	$ 1,043	$ 549	1,254
Deferred income taxes			69	(66)
Trade receivables			(83)	(716)
Other			(67)	36
All other current assets and liabilities			(245)	4
Net cash provided by (used in) operating activities			447	92
Collections of deferred purchase price on securitized trade receivables			0	568
Investment in unconsolidated entities, net proceeds				0
Net cash provided by (used in) investing activities			$ (661)	300
As previously reported
Consolidated Balance Sheet
Other assets					1,026
Other current liabilities					1,431
Deferred income taxes					363
Retained earnings					7,103
Consolidated Statement of Income
Net sales		3,187		6,441
Cost of goods sold		1,922		3,972
Selling, general and administrative expense		812		1,656
Other income (expense), net		(6)		(3)
Income taxes		102		144
Net income attributable to Kellogg Company		$ 282		$ 544
Per share amounts:
Basic earnings (in dollars per share)		$ 0.81		$ 1.56
Diluted earnings (in dollars per share)		$ 0.80		$ 1.54
Consolidated Statement of Cash Flows
Net income				$ 544
Deferred income taxes				(67)
Trade receivables				(148)
Other				30
All other current assets and liabilities				10
Net cash provided by (used in) operating activities				654
Collections of deferred purchase price on securitized trade receivables				0
Investment in unconsolidated entities, net proceeds				6
Net cash provided by (used in) investing activities				(262)
Revenue recognition ASU
Consolidated Balance Sheet
Other assets					1
Other current liabilities					43
Deferred income taxes					(8)
Retained earnings					$ (34)
Consolidated Statement of Income
Net sales		$ (12)		(18)
Cost of goods sold		(17)		(33)
Selling, general and administrative expense		4		9
Other income (expense), net		0		0
Income taxes		0		1
Net income attributable to Kellogg Company		$ 1		$ 5
Per share amounts:
Basic earnings (in dollars per share)		$ 0		$ 0.01
Diluted earnings (in dollars per share)		$ 0		$ 0.02
Consolidated Statement of Cash Flows
Net income				$ 5
Deferred income taxes				1
Trade receivables				0
Other				0
All other current assets and liabilities				(6)
Net cash provided by (used in) operating activities				0
Collections of deferred purchase price on securitized trade receivables				0
Investment in unconsolidated entities, net proceeds				0
Net cash provided by (used in) investing activities				0
Pension ASU
Consolidated Statement of Income
Net sales		$ 0		0
Cost of goods sold		45		99
Selling, general and administrative expense		24		55
Other income (expense), net		69		154
Income taxes		0		0
Net income attributable to Kellogg Company		$ 0		$ 0
Per share amounts:
Basic earnings (in dollars per share)		$ 0		$ 0
Diluted earnings (in dollars per share)		$ 0		$ 0
Cash Flow ASU
Consolidated Statement of Cash Flows
Net income				$ 0
Deferred income taxes				0
Trade receivables				(568)
Other				6
All other current assets and liabilities				0
Net cash provided by (used in) operating activities				(562)
Collections of deferred purchase price on securitized trade receivables				568
Investment in unconsolidated entities, net proceeds				(6)
Net cash provided by (used in) investing activities				$ 562

Sale of Accounts Receivable - N

Sale of Accounts Receivable - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017	Jul. 31, 2016
Receivables Sales Agreement
Transfer of Financial Assets Accounted for as Sales [Line Items]
Gain (Loss) on Sale of Accounts Receivable	$ (6)		$ (3)	$ (12)	$ (5)
Receivables Sales Agreement | Maximum [Member]
Transfer of Financial Assets Accounted for as Sales [Line Items]
Transfers of Accounts Receivable Agreements	1,033	$ 988		1,033
Receivables Sales Agreement | Sold And Outstanding
Transfer of Financial Assets Accounted for as Sales [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized	936			936		$ 601
Kellogg Funding Company Program
Transfer of Financial Assets Accounted for as Sales [Line Items]
Cash Proceeds Received for Assets Derecognized						412
Deferred Purchase Price		$ 21				21
Kellogg Funding Company Program | Maximum [Member]
Transfer of Financial Assets Accounted for as Sales [Line Items]
Transfers of Accounts Receivable Agreements							$ 600
Kellogg Funding Company Program | Sold And Outstanding
Transfer of Financial Assets Accounted for as Sales [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized						433
Kellogg Foreign Subsidiaries Other Program
Transfer of Financial Assets Accounted for as Sales [Line Items]
Transfers of Accounts Receivable Agreements	$ 26			$ 26		$ 86

Acquisitions, West Africa Inv35

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	May 02, 2018	May 31, 2018	Oct. 31, 2017	Jun. 30, 2018	Mar. 31, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Business Acquisition [Line Items]
Purchase price adjustment							$ (1)
Amortization							9	$ 4
Equity Method Investment, Realized Gain (Loss) on Disposal							200	0
Net sales				$ 3,360		$ 3,175	6,761	6,423
Net income attributable to Kellogg Company				596		283	1,040	549
Operating profit				474		385	984	665
Tolaram Africa Foods (TAF) PTE LTD
Business Acquisition [Line Items]
Equity method investment, ownership percentage	50.00%
Payments to acquire business, gross	$ 419
Equity method investment aggregate cost	458
Equity Method Investment, Other than Temporary Impairment	$ 45
TAF Investment in Affiliated Food Manufacturer
Business Acquisition [Line Items]
Equity method investment, ownership percentage	49.00%
Affiliated Food Manufacturer
Business Acquisition [Line Items]
Equity method investment, ownership percentage	24.50%
Multipro
Business Acquisition [Line Items]
Equity method investment incremental ownership percentage change	1.00%
Business Acquisition, Pro Forma Revenue				$ 3,433		$ 3,326	7,043	$ 6,739
Equity method investment, ownership percentage	51.00%
Business combination fair value of equity interest		$ 626
Business combination fair value of equity interest, net of cash acquired		$ 617
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 245
RXBAR
Business Acquisition [Line Items]
Payments to acquire business, net of cash			$ 596
Payments to acquire business, gross			$ 600
Purchase price adjustment					$ (1)
Asia Pacific
Business Acquisition [Line Items]
Purchase price adjustment							0
Amortization							3
Asia Pacific | Multipro
Business Acquisition [Line Items]
Net sales							129
Net income attributable to Kellogg Company							2
North America Other
Business Acquisition [Line Items]
Purchase price adjustment							(1)
Amortization							1
North America Other | RXBAR
Business Acquisition [Line Items]
Net sales							110
Net income attributable to Kellogg Company							$ 6

Acquistions, West Africa Invest

Acquistions, West Africa Investments, Goodwill and Other Intangible Assets Schedule of Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2018	May 02, 2018	Dec. 30, 2017	Oct. 27, 2017
Business Acquisition [Line Items]
Goodwill	$ 6,072		$ 5,504
Multipro
Business Acquisition [Line Items]
Current Assets		$ 118
Property		41
Goodwill		616
Intangible assets subject to amortization, primarily distribution rights		425
Intangible assets not subject to amortization, primarily customer relationships		373
Current liabilities		(148)
Deferred tax liability		(256)
Noncontrolling interest		(552)
Total acquired assets, goodwill and assumed liabilities, net		$ 617
RXBAR
Business Acquisition [Line Items]
Current Assets				$ 42
Goodwill	(2)			373
Intangible Assets	$ 2			203
Current liabilities				(23)
Total acquired assets, goodwill and assumed liabilities, net				$ 595

Acquisitions, West Africa Inv37

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets - Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018USD ($)
Change in carrying amount of goodwill
Beginning Balance	$ 5,504
Additions	616
Purchase price allocation adjustment	(1)
Purchase price adjustment	(1)
Currency translation adjustment	(46)
Ending Balance	6,072
U.S. Snacks
Change in carrying amount of goodwill
Beginning Balance	3,568
Additions	0
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	0
Ending Balance	3,568
U.S. Morning Foods
Change in carrying amount of goodwill
Beginning Balance	131
Additions	0
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	0
Ending Balance	131
U.S. Specialty Channels
Change in carrying amount of goodwill
Beginning Balance	82
Additions	0
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	0
Ending Balance	82
North America Other
Change in carrying amount of goodwill
Beginning Balance	836
Additions	0
Purchase price allocation adjustment	(1)
Purchase price adjustment	(1)
Currency translation adjustment	(2)
Ending Balance	832
Europe
Change in carrying amount of goodwill
Beginning Balance	414
Additions	0
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	(12)
Ending Balance	402
Latin America
Change in carrying amount of goodwill
Beginning Balance	244
Additions	0
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	(25)
Ending Balance	219
Asia Pacific
Change in carrying amount of goodwill
Beginning Balance	229
Additions	616
Purchase price allocation adjustment	0
Purchase price adjustment	0
Currency translation adjustment	(7)
Ending Balance	$ 838

Acquisitions, West Africa Inv38

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 201
Additions	425
Purchase price allocation adjustment	2
Currency translation adjustment	(14)
Gross carrying amount, ending balance	614
Accumulated amortization, beginning balance	67
Amortization	9	$ 4
Currency translation adjustment	(1)
Accumulated amortization, ending balance	75
Intangible assets subject to amortization net, beginning balance	134
Additions	425
Purchase price allocation adjustment	2
Amortization	(9)
Currency translation adjustment	(13)
Intangible assets subject to amortization net, ending balance	539
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	23
U.S. Snacks
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	42
Additions	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	42
Accumulated amortization, beginning balance	22
Amortization	2
Currency translation adjustment	0
Accumulated amortization, ending balance	24
Intangible assets subject to amortization net, beginning balance	20
Additions	0
Purchase price allocation adjustment	0
Amortization	(2)
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	18
U.S. Morning Foods
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	8
Additions	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	8
Accumulated amortization, beginning balance	8
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	8
Intangible assets subject to amortization net, beginning balance	0
Additions	0
Purchase price allocation adjustment	0
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	0
U.S. Specialty Channels
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Additions	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	0
Accumulated amortization, beginning balance	0
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	0
Additions	0
Purchase price allocation adjustment	0
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	0
North America Other
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	22
Additions	0
Purchase price allocation adjustment	2
Currency translation adjustment	0
Gross carrying amount, ending balance	24
Accumulated amortization, beginning balance	5
Amortization	1
Currency translation adjustment	0
Accumulated amortization, ending balance	6
Intangible assets subject to amortization net, beginning balance	17
Additions	0
Purchase price allocation adjustment	2
Amortization	(1)
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	18
Europe
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	45
Additions	0
Purchase price allocation adjustment	0
Currency translation adjustment	(1)
Gross carrying amount, ending balance	44
Accumulated amortization, beginning balance	18
Amortization	1
Currency translation adjustment	0
Accumulated amortization, ending balance	19
Intangible assets subject to amortization net, beginning balance	27
Additions	0
Purchase price allocation adjustment	0
Amortization	(1)
Currency translation adjustment	(1)
Intangible assets subject to amortization net, ending balance	25
Latin America
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	74
Additions	0
Purchase price allocation adjustment	0
Currency translation adjustment	(10)
Gross carrying amount, ending balance	64
Accumulated amortization, beginning balance	10
Amortization	2
Currency translation adjustment	(1)
Accumulated amortization, ending balance	11
Intangible assets subject to amortization net, beginning balance	64
Additions	0
Purchase price allocation adjustment	0
Amortization	(2)
Currency translation adjustment	(9)
Intangible assets subject to amortization net, ending balance	53
Asia Pacific
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	10
Additions	425
Purchase price allocation adjustment	0
Currency translation adjustment	(3)
Gross carrying amount, ending balance	432
Accumulated amortization, beginning balance	4
Amortization	3
Currency translation adjustment	0
Accumulated amortization, ending balance	7
Intangible assets subject to amortization net, beginning balance	6
Additions	425
Purchase price allocation adjustment	0
Amortization	(3)
Currency translation adjustment	(3)
Intangible assets subject to amortization net, ending balance	$ 425

Acquisitions, West Africa Inv39

Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets - Intangible Assets Not Subject to Amortization (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	$ 2,505
Purchase price allocation adjustment	373
Currency translation adjustment	(26)
Intangible assets not subject to amortization, ending balance	2,852
U.S. Snacks
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	1,625
Purchase price allocation adjustment	0
Currency translation adjustment	0
Intangible assets not subject to amortization, ending balance	1,625
U.S. Morning Foods
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Intangible assets not subject to amortization, ending balance	0
U.S. Specialty Channels
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Intangible assets not subject to amortization, ending balance	0
North America Other
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	360
Purchase price allocation adjustment	0
Currency translation adjustment	0
Intangible assets not subject to amortization, ending balance	360
Europe
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	434
Purchase price allocation adjustment	0
Currency translation adjustment	(10)
Intangible assets not subject to amortization, ending balance	424
Latin America
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	86
Purchase price allocation adjustment	0
Currency translation adjustment	(13)
Intangible assets not subject to amortization, ending balance	73
Asia Pacific
Indefinite-lived Intangible Assets [Roll Forward]
Intangible assets not subject to amortization, beginning balance	0
Purchase price allocation adjustment	373
Currency translation adjustment	(3)
Intangible assets not subject to amortization, ending balance	$ 370

Restructuring and Cost Reduct40

Restructuring and Cost Reduction Activities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and related activities cash implementation costs recovery time frame			5 years
Restructuring and related costs since inception of program	$ 1,402		$ 1,402
Restructuring charges	5	$ 96	25	$ 238
Exit cost reserves	76		76		$ 160
COGS
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(4)	24	9	37
Selling General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	9	75	16	200
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(3)		1
Employee related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	539		539
Restructuring charges	1	28	5	135
Exit cost reserves	59		59		97
Asset related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	259		259
Restructuring charges	(14)	20	(10)	30
Exit cost reserves	0		0		0
Asset impairment
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	155		155
Restructuring charges	0	0	0	0
Exit cost reserves	0		0		0
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	586		586
Restructuring charges	18	51	30	72
Exit cost reserves	17		17		$ 63
Project K [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	1,402		1,402
Project K [Member] | Revenue
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	6		6
Project K [Member] | COGS
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	803		803
Project K [Member] | Selling General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	730		730
Project K [Member] | Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	(137)		(137)
Project K [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost	1,500		1,500
Project K [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost	1,600		1,600
Estimated after-tax cash costs for program, including incremental capital investments			$ 1,100
Project K [Member] | U.S. Snacks
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			34.00%
Project K [Member] | U.S. Morning Foods
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			17.00%
Project K [Member] | U.S. Specialty Channels
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			1.00%
Project K [Member] | North America Other
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			13.00%
Project K [Member] | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			22.00%
Project K [Member] | Latin America
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			2.00%
Project K [Member] | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			6.00%
Project K [Member] | Employee related costs | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost	500		$ 500
Project K [Member] | Asset related costs | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost	500		500
Project K [Member] | Other costs | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost	600		600
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs since inception of program	20		20
Restructuring charges	$ 1	$ 5	$ 2	$ 11
Corporate | Project K [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost allocation			5.00%

Restructuring and Cost Reduct41

Restructuring and Cost Reduction Activities - Schedule of Restructuring and Cost Reduction Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5	$ 96	$ 25	$ 238
Program costs to date	1,402		1,402
Employee related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1	28	5	135
Program costs to date	539		539
Pension curtailment (gain) loss, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	(3)	0	1
Program costs to date	(137)		(137)
Asset impairment
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	0	0
Program costs to date	155		155
Asset related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(14)	20	(10)	30
Program costs to date	259		259
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	18	51	30	72
Program costs to date	586		586
Operating Segments | U.S. Snacks
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3	79	9	199
Program costs to date	512		512
Operating Segments | U.S. Morning Foods
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10	1	12	2
Program costs to date	263		263
Operating Segments | U.S. Specialty Channels
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	1	0	1
Program costs to date	21		21
Operating Segments | North America Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(1)	2	1	9
Program costs to date	141		141
Operating Segments | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(13)	2	(6)	8
Program costs to date	324		324
Operating Segments | Latin America
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	3	4	4
Program costs to date	31		31
Operating Segments | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3	3	3	4
Program costs to date	90		90
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1	$ 5	2	$ 11
Program costs to date	$ 20		$ 20

Restructuring and Cost Reduct42

Restructuring and Cost Reduction Activities - Restructuring and Cost Reduction Reserves Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Restructuring Reserve [Roll Forward]
Liability, beginning balance			$ 160
Restructuring charges	$ 5	$ 96	25	$ 238
Cash payments			(119)
Restructuring Reserve, Accrual Adjustment			10
Liability, ending balance	76		76
Employee related costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance			97
Restructuring charges	1	28	5	135
Cash payments			(43)
Restructuring Reserve, Accrual Adjustment			0
Liability, ending balance	59		59
Pension curtailment (gain) loss, net
Restructuring Reserve [Roll Forward]
Liability, beginning balance			0
Restructuring charges	0	(3)	0	1
Cash payments			0
Restructuring Reserve, Accrual Adjustment			0
Liability, ending balance	0		0
Asset impairment
Restructuring Reserve [Roll Forward]
Liability, beginning balance			0
Restructuring charges	0	0	0	0
Cash payments			0
Restructuring Reserve, Accrual Adjustment			0
Liability, ending balance	0		0
Asset related costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance			0
Restructuring charges	(14)	20	(10)	30
Cash payments			0
Restructuring Reserve, Accrual Adjustment			10
Liability, ending balance	0		0
Other costs
Restructuring Reserve [Roll Forward]
Liability, beginning balance			63
Restructuring charges	18	$ 51	30	$ 72
Cash payments			(76)
Restructuring Reserve, Accrual Adjustment			0
Liability, ending balance	$ 17		$ 17

Equity - Narrative (Details)

Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Equity, Class of Treasury Stock [Line Items]
Anti-dilutive potential common shares excluded from reconciliation	9	5	6	5
Common stock repurchased (in shares)			1	6
Common stock repurchased			$ 50	$ 435	$ 516
Common stock repurchases - cash paid			$ 50	390
Accrued Liabilities		$ 45		$ 45
Treasury stock
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)			1		7
Common stock repurchased			$ 50		$ 516
December 2017 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					$ 1,500
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 1,450		$ 1,450

Equity - Schedule of Earnings P

Equity - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Equity [Abstract]
Net Income, Basic	$ 596	$ 283	$ 1,040	$ 549
Average shares outstanding, Basic (in shares)	347	349	346	350
Earnings per share, Basic (in dollars per share)	$ 1.72	$ 0.81	$ 3	$ 1.57
Average shares outstanding, Dilutive potential common shares (in shares)	1	3	2	3
Earnings per share, Dilutive potential common shares (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Net Income, Diluted	$ 596	$ 283	$ 1,040	$ 549
Average shares outstanding, Diluted (in shares)	348	352	348	353
Earnings per share, Diluted (in dollars per share)	$ 1.71	$ 0.80	$ 2.99	$ 1.56

Equity - Reclassifications Out

Equity - Reclassifications Out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]
COGS	$ 2,151	$ 1,950	$ 4,300	$ 4,038
SG&A	(735)	(840)	(1,477)	(1,720)
Interest expense	72	63	141	124
Net experience loss	1	0	2	(1)
Total before tax	471	385	982	692
Tax expense (benefit)	(70)	(102)	(137)	(145)
Net income	599	283	1,043	549	$ 1,254
Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Net income	0	2	1	4
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total before tax	2	2	4	4
Tax expense (benefit)	(1)	0	(1)	(1)
Net income	1	2	3	3
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS	0	0	0	(1)
SG&A		0		0
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	2	2	4	5
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS		0		0
Reclassification out of Accumulated Other Comprehensive Income | Amortization of postretirement and postemployment benefits
Derivative Instruments, Gain (Loss) [Line Items]
Net experience loss		0		1
Prior service cost		0		0
Total before tax	(1)	0	(2)	1
Tax expense (benefit)	0	0	0	0
Net income	(1)	$ 0	(2)	$ 1
Reclassification out of Accumulated Other Comprehensive Income | Amortization of postretirement and postemployment benefits | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Net experience loss	$ (1)		$ (2)

Equity - Summary of Accumulated

Equity - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments	$ (1,473)	$ (1,426)
Cash flow hedges — unrealized net gain (loss)	(56)	(61)
Postretirement and postemployment benefits:
Net experience loss	32	34
Prior service cost	(4)	(4)
Total accumulated other comprehensive income (loss)	$ (1,501)	$ (1,457)

Debt - Components of Notes Paya

Debt - Components of Notes Payable (Details) - USD ($) $ in Millions		Jun. 30, 2018	Dec. 30, 2017
Short-term Debt [Line Items]
Principal amount		$ 324	$ 370
U.S. commercial paper
Short-term Debt [Line Items]
Principal amount		$ 197	$ 196
Effective interest rate		2.26%	1.76%
Europe commercial paper
Short-term Debt [Line Items]
Principal amount		$ 0	$ 96
Effective interest rate	[1]	0.00%	(0.32%)
Bank borrowings
Short-term Debt [Line Items]
Principal amount		$ 127	$ 78
[1]	Negative effective interest rates on certain borrowings in Europe are the result of efforts by the European Central Bank to stimulate the economy in the eurozone.

Debt - Narrative (Details)

Debt - Narrative (Details) € in Millions, $ in Millions, $ in Millions	1 Months Ended		3 Months Ended		6 Months Ended
	May 31, 2018USD ($)	May 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jul. 01, 2017USD ($)	Jun. 30, 2018USD ($)	Jul. 01, 2017USD ($)	Dec. 30, 2017USD ($)	Jul. 01, 2017CAD ($)	May 31, 2017EUR (€)
Debt Instrument [Line Items]
Proceeds from debt, net of issuance costs	$ 994
Interest Expense, Debt			$ 72	$ 63	$ 141	$ 124
Notional amounts of interest rate swaps			4,030		4,030		$ 4,966
US Dollar Interest Rate Swap [Member]
Debt Instrument [Line Items]
Notional amounts of interest rate swaps			$ 1,500		$ 1,500
4.30% U.S. Dollar Notes Due 2028
Debt Instrument [Line Items]
Debt instrument, face amount	$ 600
Debt instrument, stated interest rate	4.30%
3.25% U.S. Dollar Notes Due 2021
Debt Instrument [Line Items]
Debt instrument, face amount	$ 400
Debt instrument, stated interest rate	3.25%
3.25% U.S. Dollar Notes Due 2018
Debt Instrument [Line Items]
Debt instrument, face amount	$ 400
Debt instrument, stated interest rate	3.25%
0.80% Euro Notes Due 2022
Debt Instrument [Line Items]
Debt instrument, face amount				$ 685		$ 685			€ 600
Proceeds from debt, net of issuance costs		$ 656
Debt instrument, stated interest rate		0.80%							0.80%
1.75% U.S. Dollar Notes Due 2017
Debt Instrument [Line Items]
Debt instrument, face amount		$ 400
Debt instrument, stated interest rate		1.75%							1.75%
2.05% Canadian Dollar Notes Due 2017
Debt Instrument [Line Items]
Debt instrument, face amount								$ 300
Debt instrument, stated interest rate				2.05%		2.05%		2.05%
Notes Payable, Other Payables | 4.30% U.S. Dollar Notes Due 2028
Debt Instrument [Line Items]
Debt instrument term	10 years
Notes Payable, Other Payables | 3.25% U.S. Dollar Notes Due 2021
Debt Instrument [Line Items]
Debt instrument term	3 years
Notes Payable, Other Payables | 3.25% U.S. Dollar Notes Due 2018
Debt Instrument [Line Items]
Debt instrument term					7 years
Notes Payable, Other Payables | 0.80% Euro Notes Due 2022
Debt Instrument [Line Items]
Debt instrument term					5 years
Notes Payable, Other Payables | 1.75% U.S. Dollar Notes Due 2017
Debt Instrument [Line Items]
Debt instrument term						5 years
Notes Payable, Other Payables | 2.05% Canadian Dollar Notes Due 2017
Debt Instrument [Line Items]
Debt instrument term						3 years
Notes Payable, Other Payables | 4.15% U.S. Dollar Notes Due 2019
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			4.15%		4.15%
Effective interest rate			3.50%		3.50%
Notes Payable, Other Payables | 4.0% U.S. Dollar Notes Due 2020
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			4.00%		4.00%
Effective interest rate			3.39%		3.39%
Notes Payable, Other Payables | 3.125% U.S. Dollar Notes Due 2022
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			3.13%		3.13%
Effective interest rate			3.87%		3.87%
Notes Payable, Other Payables | 2.75% U.S. Dollar Notes Due 2023
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			2.75%		2.75%
Effective interest rate			4.00%		4.00%
Notes Payable, Other Payables | 2.65% U.S. Dollar Note Due 2023
Debt Instrument [Line Items]
Debt instrument term					7 years
Debt instrument, stated interest rate			2.65%		2.65%
Effective interest rate			3.42%		3.42%
Notes Payable, Other Payables | 1.00% Euro Notes Due 2024
Debt Instrument [Line Items]
Debt instrument term					8 years
Debt instrument, stated interest rate			1.00%		1.00%
Effective interest rate			0.72%		0.72%
Notes Payable, Other Payables | 1.25% Euro Notes Due 2025
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			1.25%		1.25%
Effective interest rate			1.30%		1.30%
Notes Payable, Other Payables | 3.25% U.S. Dollar Notes Due 2026
Debt Instrument [Line Items]
Debt instrument term					10 years
Debt instrument, stated interest rate			3.25%		3.25%
Effective interest rate			4.06%		4.06%

Stock Compensation - Compensati

Stock Compensation - Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation cost not yet recognized	$ 112		$ 112
Stock-based compensation cost, period of recognition			2 years
Selling General and Administrative Expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	16	$ 21	$ 33	$ 39
Related income tax benefit	$ 4	$ 8	$ 8	$ 14

Stock Compensation - Stock Opti

Stock Compensation - Stock Options (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	14	15
Granted (in shares)	3	2
Exercised (in shares)	(1)	(1)
Forfeitures and expirations (in shares)	(1)	0
Outstanding, end of period (in shares)	15	16
Exercisable, end of period (in shares)	11	11
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, beginning of period, weighted-average exercise price (in dollars per share)	$ 64	$ 62
Granted, weighted-average exercise price (in dollars per share)	70	73
Exercised, weighted-average exercise price (in dollars per share)	57	57
Forfeitures and expirations, weighted-average exercise price (in dollars per share)	70	0
Outstanding, end of period, weighted-average exercise price (in dollars per share)	65	64
Exercisable, end of period, weighted-average exercise price (in dollars per share)	$ 63	$ 60
Outstanding, end of period, weighted-average remaining contractual term	6 years 7 months 6 days	7 years
Exercisable, end of period, weighted-average remaining contractual term	5 years 8 months 12 days	6 years 1 month 6 days
Outstanding, end of period, aggregate intrinsic value	$ 92	$ 109
Exercisable, end of period, aggregate intrinsic value	$ 91	$ 104
Weighted-average fair value of options granted (in dollars per share)	$ 10	$ 10.14

Stock Compensation - Schedule o

Stock Compensation - Schedule of Fair Value Assumptions (Details) - Stock Options - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted- average expected volatility	18.00%	18.00%
Weighted- average expected term (years)	6 years 7 months 6 days	6 years 7 months 6 days
Weighted- average risk-free interest rate	2.82%	2.26%
Dividend yield	3.00%	2.80%
Total intrinsic value of options exercised	$ 13	$ 17

Stock Compensation - Performanc

Stock Compensation - Performance Shares (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Feb. 28, 2018	Mar. 31, 2018	Jun. 30, 2018
2016 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum fair value of performance shares			$ 18
2017 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum fair value of performance shares			16
2018 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Performance shares target grant distribution (in shares)		188,000
Grant-date fair value of shares that correspond with target grants		$ 72
Maximum fair value of performance shares			$ 26
2015 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance shares that may be earned upon performance	75.00%
Performance share award settlement	$ 8
Minimum [Member] | 2018 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance shares that may be earned upon performance		0.00%
Maximum [Member] | 2018 Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance shares that may be earned upon performance		200.00%

Stock Compensation - Restricted

Stock Compensation - Restricted Stock (Details) - Restricted Stock and Restricted Stock Units - $ / shares shares in Thousands	6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested, beginning of year (in shares)	1,673	1,166
Granted (in shares)	697	654
Vested (in shares)	(416)	(35)
Forfeited (in shares)	(151)	(72)
Non-vested, end of year (in shares)	1,803	1,713
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Non-vested, beginning of year, weighted-average grant-date fair value (in dollars per share)	$ 65	$ 63
Granted, weighted-average grant-date fair value (in dollars per share)	63	67
Vested, weighted-average grant-date fair value (in dollars per share)	59	57
Forfeited, weighted-average grant-date fair value (in dollars per share)	63	65
Non-vested, end of year, weighted-average grant-date fair value (in dollars per share)	$ 66	$ 65

Employee Benefits - Components

Employee Benefits - Components of Plan Benefit Expense (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Apr. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 22	$ 25		$ 44	$ 50
Interest cost	41	42		83	83
Expected return on plan assets	(90)	(90)		(182)	(180)
Amortization of unrecognized prior service (gain)	2	2		4	4
Recognized net (gain) loss	(2)	(2)	$ 3	(11)	1
Net periodic benefit cost	(27)	(23)		(62)	(42)
Curtailment (gain) loss	0	(3)	1	0	(2)
Total plan benefit (income) expense	(27)	(26)		(62)	(44)
Other Nonpension Postretirement
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	4		9	9
Interest cost	9	9		18	18
Expected return on plan assets	(23)	(25)		(47)	(49)
Amortization of unrecognized prior service (gain)	(2)	(2)		(4)	(4)
Recognized net (gain) loss	0	0	(29)	0	(29)
Net periodic benefit cost	(12)	(14)		(24)	(55)
Curtailment (gain) loss	0	0	$ 3	0	3
Total plan benefit (income) expense	(12)	(14)		(24)	(52)
Postemployment
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	2		2	3
Interest cost	0	1		0	2
Recognized net (gain) loss	(1)	0		(2)	1
Total plan benefit (income) expense	$ 0	$ 3		$ 0	$ 6

Employee Benefits - Contributio

Employee Benefits - Contributions to Employee Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Restructuring charges	$ 5	$ 96	$ 25	$ 238
Employer contributions to employee benefit plans	255	4	274	28	$ 44
Total current year projected employer contributions	287		287
Employer discretionary contribution amount	250
Pension
Defined Benefit Plan Disclosure [Line Items]
Employer contributions to employee benefit plans	251	2	266	23	31
Total current year projected employer contributions	274		274
Employer discretionary contribution amount		250
Nonpension postretirement
Defined Benefit Plan Disclosure [Line Items]
Employer contributions to employee benefit plans	4	2	8	5	$ 13
Total current year projected employer contributions	13		13
Employee related costs
Defined Benefit Plan Disclosure [Line Items]
Restructuring charges	$ 1	28	$ 5	$ 135
Employee related costs | Multiemployer Plans
Defined Benefit Plan Disclosure [Line Items]
Restructuring charges		$ 26
Cash Obligation Period		20 years

Income Taxes - Narrative (Detai

Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017	Dec. 22, 2017
Income Tax Contingency [Line Items]
U.S. Federal Corporate Tax Rate prior to Tax Cuts and Jobs Act of 2017						35.00%
U.S. Federal Corporate Tax Rate after Tax Cuts and Jobs Act of 2017						21.00%
Effective income tax rate	15.00%	26.00%	14.00%	21.00%
Tax benefit attributable to discretionary pension contribution	$ 31
Employer discretionary contribution amount	250
Discrete tax benefit	44
Undistributed earnings of foreign subsidiaries	2,600		$ 2,600
Reductions Credited To Income Tax Expense		$ 38
Unrecognized tax benefits	57		57		$ 60
Unrecognized tax benefits that would affect the effective income tax rate	45		45
Tax-related interest and penalties accrual	25		25
Other current liabilities
Income Tax Contingency [Line Items]
Unrecognized tax benefits	8		8
Projected additions to unrecognized tax benefits	$ 6		$ 6

Income Taxes - Reconciliation o

Income Taxes - Reconciliation of Total Gross Unrecognized Tax Benefits (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018USD ($)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 60
Additions, current year	3
Reductions, current year	0
Additions, prior years	2
Reductions, prior years	(6)
Settlements	(2)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	0
Ending balance	$ 57

Derivative Instruments and Fa58

Derivative Instruments and Fair Value Measurements - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018USD ($)
Derivative [Line Items]
Net deferred losses reported in AOCI to be reclassified into income in the next twelve months	$ (7)
Fair value of derivative instruments with credit-risk-related contingent features in a liability position	15
Additional collateral required to be posted if the credit risk related contingent features were triggered	10
Collateral posted	0
Accounts Receivable, Net
Derivative [Line Items]
Collateral posted	5
Accounts Receivable, Net | Exchange-traded commodity
Derivative [Line Items]
Margin deposits	$ 17
Five Largest Accounts | Customer Concentration Risk | Accounts Receivable, Net
Derivative [Line Items]
Concentration percentage	22.00%

Derivative Instruments and Fa59

Derivative Instruments and Fair Value Measurements - Schedule of Total Notional Amounts of Derivative Instruments(Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	$ 4,030	$ 4,966
Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	1,518	2,172
Cross Currency Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	696	0
Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	1,468	2,250
Commodity contracts
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	$ 348	$ 544

Derivative Instruments and Fa60

Derivative Instruments and Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions		Jun. 30, 2018	Dec. 30, 2017
Derivatives, Fair Value [Line Items]
Fair Value Of Related Hedge Portion Of Long Term Debt		$ 1,500	$ 2,300
Long-term debt total, carrying value		8,700
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		31	0
Liabilities		(29)	(54)
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		29	16
Liabilities		(24)	(21)
Level 1 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		0	0
Liabilities		0	0
Level 1 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		3	6
Liabilities		(10)	(7)
Level 2 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		31	0
Liabilities		(29)	(54)
Level 2 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		26	10
Liabilities		(14)	(14)
Foreign currency exchange contracts | Other current assets | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		27	0
Foreign currency exchange contracts | Other current assets | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		26	10
Foreign currency exchange contracts | Other current assets | Level 1 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		0	0
Foreign currency exchange contracts | Other current assets | Level 1 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		0	0
Foreign currency exchange contracts | Other current assets | Level 2 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		27	0
Foreign currency exchange contracts | Other current assets | Level 2 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		26	10
Foreign currency exchange contracts | Other current liabilities | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		(14)	(14)
Foreign currency exchange contracts | Other current liabilities | Level 1 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		0	0
Foreign currency exchange contracts | Other current liabilities | Level 2 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		(14)	(14)
Interest rate contracts | Other assets | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		4	0
Interest rate contracts | Other assets | Level 1 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		0	0
Interest rate contracts | Other assets | Level 2 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets	[1]	4	0
Interest rate contracts | Other liabilities | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		(29)	(54)
Interest rate contracts | Other liabilities | Level 1 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		0	0
Interest rate contracts | Other liabilities | Level 2 | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities	[1]	(29)	(54)
Commodity contracts | Other current assets | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		3	6
Commodity contracts | Other current assets | Level 1 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		3	6
Commodity contracts | Other current assets | Level 2 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Assets		0	0
Commodity contracts | Other current liabilities | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		(10)	(7)
Commodity contracts | Other current liabilities | Level 1 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		(10)	(7)
Commodity contracts | Other current liabilities | Level 2 | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities		0	0
Net Investment Hedging
Derivatives, Fair Value [Line Items]
Long-term debt total, carrying value		$ 2,700	$ 2,700
[1]	The fair value of the related hedged portion of the Company's long-term debt, a level 2 liability, was $1.5 billion and $2.3 billion as of June 30, 2018 and December 30, 2017, respectively.

Derivative Instruments and Fa61

Derivative Instruments and Fair Value Measurements Derivative Instruments and Fair Value Measurements - Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions		Jun. 30, 2018	Dec. 30, 2017
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt		$ 7	$ 409
Long-term debt		8,737	7,836
Carrying amount of hedged liability | Fair Value Hedges | Interest rate contracts | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt		0	402
Long-term debt		3,357	3,481
Cumulative fair value adjustment | Fair Value Hedges | Interest rate contracts | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt	[1]	0	2
Long-term debt	[1]	(45)	(22)
Hedging adjustment | Discontinued Hedges | Interest rate contracts
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt			2
Long-term debt		$ (19)	$ 32
[1]	The current maturities of hedged long-term debt includes $2 million of hedging adjustment on discontinued hedging relationships as of December 30, 2017. The hedged long-term debt includes $(19) million and $32 million of hedging adjustment on discontinued hedging relationships as of June 30, 2018 and December 30, 2017, respectively.

Derivative Instruments and Fa62

Derivative Instruments and Fair Value Measurements - Schedule of Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Offsetting [Abstract]
Asset derivatives, Amounts Presented in the Consolidated Balance Sheet	$ 60	$ 16
Asset derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	(28)	(15)
Asset derivatives, Cash Collateral Posted, Gross Amounts Not Offset in the Consolidated Balance Sheet	0	0
Asset derivatives, Net Amount	32	1
Liability derivatives, Amounts Presented in the Consolidated Balance Sheet	(53)	(75)
Liability derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	28	15
Liability derivatives, Cash Collateral Received, Gross Amounts Not Offset in the Consolidated Balance Sheet	25	37
Liability derivatives, net amount	$ 0	$ (23)

Derivative Instruments and Fa63

Derivative Instruments and Fair Value Measurements - Effect of Derivative Instruments on the Consolidated Statements of Income and Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (4)	$ 2	$ 1	$ (24)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	4	(4)	7	(13)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0	(1)	1	(1)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0	(3)	(4)	(8)
Not Designated as Hedging Instrument | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(8)	10	(3)	(3)
Not Designated as Hedging Instrument | Commodity contracts | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income			0	1
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	181	(157)	100	(182)
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	3	0	6	0
Net Investment Hedging | Foreign currency denominated long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	146	(157)	73	(182)
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	0	0	0	0
Net Investment Hedging | Cross Currency Interest Rate Contract [Member] | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	35	0	27	0
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net	$ 3	$ 0	$ 6	$ 0

Derivative Instruments and Fa64

Derivative Instruments and Fair Value Measurements Derivative Instruments and Fair Value Measurements - Schedule of Effect of Fair Value and Cash Flow Hedge Accounting on Consolidated Statement of Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Cost of goods sold	$ 2,151	$ 1,950	$ 4,300	$ 4,038
Interest Expense, Debt	72	63	141	124
Foreign currency exchange contracts | COGS | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income				1
Foreign currency exchange contracts | Interest expense | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income	0	0	0	0
Interest rate contracts | COGS | Designated as Hedging Instrument | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items				0
Derivatives designated as hedging instruments				0
Interest rate contracts | COGS | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income				0
Interest rate contracts | Interest expense | Designated as Hedging Instrument | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items	(7)	(3)	25	6
Derivatives designated as hedging instruments	7	8	(21)	4
Interest rate contracts | Interest expense | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income	$ (2)	$ (3)	$ (4)	$ (5)

Derivative Instruments and Fa65

Derivative Instruments and Fair Value Measurements - Schedule of Fair Value of Long-term Debt (Details) $ in Millions	Jun. 30, 2018USD ($)
Derivative Instruments and Fair Value Measurements [Abstract]
Long-term debt, fair value	$ 8,900
Long-term debt total, carrying value	$ 8,700

Reportable Segments (Details)

Reportable Segments (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018USD ($)	Jul. 01, 2017USD ($)	Jun. 30, 2018USD ($)	Jul. 01, 2017USD ($)
Segment Reporting Information [Line Items]
Number of operating segments			10
Number of remaining reportable segments based on geographical locations			3
Net sales	$ 3,360	$ 3,175	$ 6,761	$ 6,423
Operating profit	474	385	984	665
Operating Segments
Segment Reporting Information [Line Items]
Operating profit	530	449	1,052	836
Operating Segments | U.S. Snacks
Segment Reporting Information [Line Items]
Net sales	745	815	1,507	1,610
Operating profit	111	29	213	(7)
Operating Segments | U.S. Morning Foods
Segment Reporting Information [Line Items]
Net sales	643	664	1,334	1,372
Operating profit	138	170	288	327
Operating Segments | U.S. Specialty Channels
Segment Reporting Information [Line Items]
Net sales	277	275	675	668
Operating profit	60	70	140	166
Operating Segments | North America Other
Segment Reporting Information [Line Items]
Net sales	462	390	941	782
Operating profit	76	59	143	108
Operating Segments | Europe
Segment Reporting Information [Line Items]
Net sales	621	567	1,208	1,080
Operating profit	97	77	171	143
Operating Segments | Latin America
Segment Reporting Information [Line Items]
Net sales	239	232	471	452
Operating profit	20	26	42	59
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Net sales	373	232	625	459
Operating profit	28	18	55	40
Corporate
Segment Reporting Information [Line Items]
Operating profit	$ (56)	$ (64)	$ (68)	$ (171)

Reportable Segments Reportable

Reportable Segments Reportable Segments Supplemental Product Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Segment Reporting Information [Line Items]
Net sales	$ 3,360	$ 3,175	$ 6,761	$ 6,423
Snacks
Segment Reporting Information [Line Items]
Net sales	1,684	1,635	3,458	3,351
Cereal
Segment Reporting Information [Line Items]
Net sales	1,304	1,305	2,655	2,603
Frozen and other
Segment Reporting Information [Line Items]
Net sales	$ 372	$ 235	$ 648	$ 469

Supplemental Financial Statem68

Supplemental Financial Statement Data Consolidated Balance Sheet (Unaudited) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Trade receivables	$ 1,339	$ 1,250
Allowance for doubtful accounts	(10)	(10)
Redundable income taxes	18	23
Other receivables	183	126
Accounts receivable, net	1,530	1,389
Raw materials and supplies	337	333
Finished goods and materials in process	954	884
Inventories	1,291	1,217
Property	9,063	9,366
Accumulated depreciation	(5,425)	(5,650)
Property, net	3,638	3,716
Pension	290	252
Deferred income taxes	242	246
Other	580	529
Other assets	1,112	1,027
Accrued income taxes	32	30
Accrued salaries and wages	225	311
Accrued advertising and promotion	570	582
Other	502	551
Other current liabilities	1,329	1,474
Income taxes payable	182	192
Nonpension postretirement benefits	39	40
Other	327	373
Other liabilities	$ 548	$ 605