Derivative Instruments and Fair Value Measurements Total Notional Amounts of the Company's Derivative Instruments (Details) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Derivative [Line Items]
Notional amount of derivatives	$ 1,680	$ 4,214
Foreign Exchange Contract [Member]
Derivative [Line Items]
Notional amount of derivatives	1,210	764
Interest rate contracts
Derivative [Line Items]
Notional amount of derivatives	0	2,958
Commodity contracts
Derivative [Line Items]
Notional amount of derivatives	$ 470	$ 492