Derivative Instruments and Fair Value Measurements The Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 02, 2016	Jan. 03, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months		$ 14
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income	[1]	16	$ 20
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		8	(35)
Gain (Loss) Reclassified from AOCI into Income		23	10
Gain (Loss) Recognized in Income	[1]	(3)	(4)
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		(44)	(81)
Foreign Exchange Contract [Member] | COGS [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		16	0
Foreign Exchange Contract [Member] | Other Income (Expense), Net [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income	[1]	(4)	3
Foreign Exchange Contract [Member] | Other Income (Expense), Net [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		8	1
Foreign Exchange Contracts, One [Member] | COGS [Member] | Other Income (Expense), Net [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		26	34
Gain (Loss) Reclassified from AOCI into Income		40	5
Gain (Loss) Recognized in Income	[1]	(3)	(4)
Foreign Exchange Contracts, Two [Member] | SGA [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		(6)	4
Gain (Loss) Reclassified from AOCI into Income		(2)	3
Interest rate contracts | Interest Expense [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income	[1]	20	17
Interest rate contracts | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		(9)	(69)
Gain (Loss) Reclassified from AOCI into Income		(3)	9
Interest rate contracts | Interest Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		0	(4)
Commodity contracts | COGS [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		(3)	(4)
Gain (Loss) Reclassified from AOCI into Income		(12)	(7)
Commodity contracts | COGS [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		(63)	(73)
Commodity contracts | SGA [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income		(5)	(5)
Foreign Currency Denominated Long Term Debt [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCI		$ 70	$ 86

[1] Includes the ineffective portion and amount excluded from effectiveness testing.