Derivative Instruments and Fair Value Measurements Schedule of Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 30, 2017	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net amount of assets presented in the balance sheet	$ 16	$ 41
Financial instruments, gross amount not offset in balance sheet	(15)	(24)
Cash collateral posted, gross amount not offset in balance sheet	0	0
Net amount, assets derivatives	1	17
Net amounts of liabilities presented in balance sheet	(75)	(83)
Financial instruments, gross amount not offset in balance sheet	15	24
Cash collateral received, gross amount not offset in balance sheet	37	48
Net amount, liabilities derivatives	$ (23)	$ (11)