Derivative Instruments and Fair Value Measurements (The Effect of Derivative Instruments on the Consolidated Statement of Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012	Jul. 02, 2011
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (17)	[1]	$ 3	[1]	$ (1)	$ 25
Fair Value Hedging [Member] | Foreign Currency Exchange Contracts [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(16)	[1]	3	[1]	(1)	25
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(1)	[1]	0	[1]
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	0		(46)		(8)	(35)
Gain (loss) reclassified from AOCI into income	(5)		3		(9)	11
Gain (loss) recognized in income	0	[1]	0	[1]	0	(1)
Cash Flow Hedging [Member] | Foreign Currency Exchange Contracts [Member] | Selling, General and Administrative Expense [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	1		(1)		1	(2)
Gain (loss) reclassified from AOCI into income	1		0		1	0
Gain (loss) recognized in income	0	[1]	0	[1]	0	0
Cash Flow Hedging [Member] | Foreign Currency Exchange Contracts [Member] | Cost of Goods Sold [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	1		(1)		(1)	(3)
Gain (loss) reclassified from AOCI into income	0		(1)		0	(3)
Gain (loss) recognized in income	0	[1]	0	[1]	0	(1)
Cash Flow Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	0		(12)		0	(13)
Gain (loss) reclassified from AOCI into income	1		1		2	2
Gain (loss) recognized in income	0	[1]	0	[1]	0	0
Cash Flow Hedging [Member] | Commodity Contracts [Member] | Cost of Goods Sold [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(2)		(32)		(8)	(17)
Gain (loss) reclassified from AOCI into income	(7)		3		(12)	12
Gain (loss) recognized in income	0	[1]	0	[1]	0	0
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	12		0		6	0
Net Investment Hedging [Member] | Foreign Currency Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	12		0		6	0
Not Designated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(27)		1		(1)	(2)
Not Designated [Member] | Foreign Currency Exchange Contracts [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0		1		0	1
Not Designated [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (27)		$ 0		$ (1)	$ (3)

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