Income Taxes Deferred tax assets and deferred tax liabilities (Details) - USD ($) $ in Millions	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Deferred Income Tax [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 0	$ 0
Deferred Tax Liabilities Us State Income Taxes	48	34
Deferred Tax Assets Advertising And Promotion Related	13	17
Deferred Tax Assets Wages And Payroll Taxes	26	42
Deferred Tax Assets, Inventory	20	28
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	154	403
Tax benefits of carryforwards	239	181
Deferred Tax Assets, Hedging Transactions	42	0
Deferred Tax Liabilities, Hedging Transactions	0	51
Deferred Tax Liabilities, Property, Plant and Equipment	208	318
Deferred Tax Liabilities, Intangible Assets	332	602
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	25	38
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	33	41
Deferred Tax Assets, Other	71	31
Deferred Tax Assets, Gross	623	781
Deferred Tax Liabilities, Gross	588	1,005
Deferred Tax Liabilities, Net	(118)	(355)
Deferred Tax Assets, Valuation Allowance	(153)	(131)	$ (63)	$ (51)
Deferred Tax Assets, Net of Valuation Allowance	470	650
Other Assets [Member]
Deferred Income Tax [Line Items]
Deferred Tax Assets, Net	245	170
Other Liabilities [Member]
Deferred Income Tax [Line Items]
Deferred Tax Liabilities, Net	$ (363)	$ (525)