Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 30, 2016	Aug. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Fair Value Disclosure	$ 3,400	$ 3,300
Long-term Debt and Capital Lease Obligations, Including Current Maturities	3,272	3,287
Asset Derivatives | Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (in percentage)			1.08%
Derivative Liability, Notional Amount	$ 1,200		$ 1,200
Asset Derivatives | Designated as Hedging Instrument | Notes Which Mature In December 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (in percentage)	4.45%
Derivative Liability, Notional Amount	$ 450
Carrying value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	31	29
Notes Receivable, Fair Value Disclosure	91
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	$ 31	$ 29