Income Taxes Deferred tax assets and deferred tax liabilities (Details) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Deferred Income Tax [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 0	$ 0
Deferred Tax Liabilities Us State Income Taxes	19	48
Deferred Tax Assets Advertising And Promotion Related	11	22
Deferred Tax Assets Wages And Payroll Taxes	20	26
Deferred Tax Assets, Inventory	14	20
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	132	154
Tax benefits of carryforwards	270	239
Deferred Tax Assets, Hedging Transactions	10	42
Deferred Tax Liabilities, Hedging Transactions	0	0
Deferred Tax Liabilities, Property, Plant and Equipment	220	208
Deferred Tax Liabilities, Intangible Assets	613	332
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	20	25
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	31	33
Deferred Tax Assets, Other	26	71
Deferred Tax Assets, Gross	534	632
Deferred Tax Liabilities, Gross	852	588
Deferred Tax Liabilities, Net	(484)	(109)
Deferred Tax Assets, Valuation Allowance	(166)	(153)	$ (131)	$ (63)
Deferred Tax Assets, Net of Valuation Allowance	368	479
Other Assets [Member]
Deferred Income Tax [Line Items]
Deferred Tax Assets, Net	246	246
Other liabilities
Deferred Income Tax [Line Items]
Deferred Tax Liabilities, Net	$ (730)	$ (355)