Derivative Instruments and Fair Value Measurements Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions		Dec. 28, 2019	Dec. 29, 2018
Derivative [Line Items]
Fair Value Of Related Hedge Portion Of Long Term Debt		$ 700	$ 1,600
Designated as hedging instrument
Derivative [Line Items]
Assets		96	96
Liabilities		(4)	(22)
Designated as hedging instrument | Level 1 [Member]
Derivative [Line Items]
Assets		0	0
Liabilities		0	0
Designated as hedging instrument | Level 2 [Member]
Derivative [Line Items]
Assets		96	96
Liabilities		(4)	(22)
Designated as hedging instrument | Cross-currency contracts | Other Current Assets [Member]
Derivative [Line Items]
Assets		45	0
Designated as hedging instrument | Cross-currency contracts | Other Assets [Member]
Derivative [Line Items]
Assets		40	79
Designated as hedging instrument | Cross-currency contracts | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		0	0
Designated as hedging instrument | Cross-currency contracts | Level 1 [Member] | Other Assets [Member]
Derivative [Line Items]
Assets		0	0
Designated as hedging instrument | Cross-currency contracts | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		45	0
Designated as hedging instrument | Cross-currency contracts | Level 2 [Member] | Other Assets [Member]
Derivative [Line Items]
Assets		40	79
Designated as hedging instrument | Interest rate contracts | Other Current Assets [Member]
Derivative [Line Items]
Assets	[1]	7	0
Designated as hedging instrument | Interest rate contracts | Other Assets [Member]
Derivative [Line Items]
Assets	[1]	4	17
Designated as hedging instrument | Interest rate contracts | Other current liabilities
Derivative [Line Items]
Liabilities	[1]	(4)	0
Designated as hedging instrument | Interest rate contracts | Other liabilities
Derivative [Line Items]
Liabilities	[1]	0	(22)
Designated as hedging instrument | Interest rate contracts | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets	[1]	0	0
Designated as hedging instrument | Interest rate contracts | Level 1 [Member] | Other Assets [Member]
Derivative [Line Items]
Assets	[1]	0	0
Designated as hedging instrument | Interest rate contracts | Level 1 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities	[1]	0	0
Designated as hedging instrument | Interest rate contracts | Level 1 [Member] | Other liabilities
Derivative [Line Items]
Liabilities	[1]	0	0
Designated as hedging instrument | Interest rate contracts | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets	[1]	7	0
Designated as hedging instrument | Interest rate contracts | Level 2 [Member] | Other Assets [Member]
Derivative [Line Items]
Assets	[1]	4	17
Designated as hedging instrument | Interest rate contracts | Level 2 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities	[1]	(4)	0
Designated as hedging instrument | Interest rate contracts | Level 2 [Member] | Other liabilities
Derivative [Line Items]
Liabilities	[1]	0	(22)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Assets		21	6
Liabilities		(32)	(13)
Not Designated as Hedging Instrument [Member] | Level 1 [Member]
Derivative [Line Items]
Assets		9	3
Liabilities		(1)	(9)
Not Designated as Hedging Instrument [Member] | Level 2 [Member]
Derivative [Line Items]
Assets		12	3
Liabilities		(31)	(4)
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Other Current Assets [Member]
Derivative [Line Items]
Assets		12	3
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Other current liabilities
Derivative [Line Items]
Liabilities		(18)	(4)
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		0	0
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Level 1 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities		0	0
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		12	3
Not Designated as Hedging Instrument [Member] | Foreign currency exchange contracts | Level 2 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities		(18)	(4)
Not Designated as Hedging Instrument [Member] | Interest rate contracts | Other liabilities
Derivative [Line Items]
Liabilities		(13)	0
Not Designated as Hedging Instrument [Member] | Interest rate contracts | Level 1 [Member] | Other liabilities
Derivative [Line Items]
Liabilities		0	0
Not Designated as Hedging Instrument [Member] | Interest rate contracts | Level 2 [Member] | Other liabilities
Derivative [Line Items]
Liabilities		(13)	0
Not Designated as Hedging Instrument [Member] | Commodity contracts | Other Current Assets [Member]
Derivative [Line Items]
Assets		9	3
Not Designated as Hedging Instrument [Member] | Commodity contracts | Other current liabilities
Derivative [Line Items]
Liabilities		(1)	(9)
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		9	3
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 1 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities		(1)	(9)
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Assets		0	0
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 2 [Member] | Other current liabilities
Derivative [Line Items]
Liabilities		$ 0	$ 0

[1] The fair value of the related hedged portion of the Company’s long-term debt, a level 2 liability, was $0.7 billion and $1.6 billion as of December 28, 2019 and December 29, 2018, respectively.