Derivative Instruments and Fair Value Measurements - Schedule of Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Jul. 04, 2015	Jan. 03, 2015
Offsetting [Abstract]
Asset derivatives, Amounts Presented in the Consolidated Balance Sheet	$ 62	$ 43
Asset derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	(38)	(29)
Asset derivatives, Cash Collateral Posted, Gross Amounts Not Offset in the Consolidated Balance Sheet	0	0
Asset derivatives, Net Amount	24	14
Liability derivatives, Amounts Presented in the Consolidated Balance Sheet	(59)	(88)
Liability derivatives, Financial Instruments, Gross Amounts Not Offset in the Consolidated Balance Sheet	38	29
Liability derivatives, Cash Collateral Received, Gross Amounts Not Offset in the Consolidated Balance Sheet	11	50
Liability derivatives, net amount	$ (10)	$ (9)