Derivative Instruments and Fair Value Measurements - Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions		Sep. 26, 2020	Dec. 28, 2019
Derivatives, Fair Value [Line Items]
Current maturities of long-term debt		$ 1,417	$ 620
Long-term debt		7,000	7,195
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		494	493
Long-term debt		2,853	2,643
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	0
Long-term debt	[1]	23	19
Hedging adjustment | Discontinued Hedges | Interest rate contracts
Derivatives, Fair Value [Line Items]
Long-term debt		$ 14	$ 15

[1] The hedged long-term debt includes $14 million and $15 million of hedging adjustment on discontinued hedging relationships as of September 26, 2020 and December 28, 2019, respectively.