Derivative Instruments and Fair Value Measurements Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions		Dec. 29, 2018	Dec. 30, 2017
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt		$ 510	$ 409
Long-term debt		8,207	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		503	402
Long-term debt		3,354	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]	3	2
Long-term debt	[1]	(18)	(22)
Cumulative fair value adjustment | Discontinued hedging | Interest rate contracts
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt		3	2
Long-term debt		$ (12)	$ 32

[1] The current maturities of hedged long-term debt includes $3 million and $2 million of hedging adjustment on discontinued hedging relationships as of December 29, 2018 and December 30, 2017. The hedged long-term debt includes $(12) million and $32 million of hedging adjustment on discontinued hedging relationships as of December 29, 2018 and December 30, 2017, respectively.