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				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 6	[1]	$ (9)	[1]	$ 5	[1]	$ 16	[1]
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	2	[1]	(9)	[1]	1	[1]	16	[1]
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	4	[1]	0	[1]	4	[1]	0	[1]
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(1)		(1)		(9)		(36)
Gain (loss) reclassified from AOCI into income	(3)		(1)		(12)		10
Gain (loss) recognized in income	0	[1]	(1)	[1]	0	[1]	(2)	[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	0		2		1		0
Gain (loss) reclassified from AOCI into income	1		0		2		0
Gain (loss) recognized in income	0	[1]	0	[1]	0	[1]	0	[1]
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	(4)		5		(5)		2
Gain (loss) reclassified from AOCI into income	(1)		(1)		(1)		(4)
Gain (loss) recognized in income	0	[1]	(1)	[1]	0	[1]	(2)	[1]
Cash Flow Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	0		0		0		(13)
Gain (loss) reclassified from AOCI into income	1		1		3		3
Gain (loss) recognized in income	0	[1]	0	[1]	0	[1]	0	[1]
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	3		(8)		(5)		(25)
Gain (loss) reclassified from AOCI into income	(4)		(1)		(16)		11
Gain (loss) recognized in income	0	[1]	0	[1]	0	[1]	0	[1]
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(1)		0		5		0
Net Investment Hedging [Member] | Foreign Currency Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(1)		0		5		0
Not Designated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(3)		1		(4)		(1)
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)
Not Designated [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0		2		(1)		(1)
Not Designated [Member] | Commodity Contracts [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (3)		$ 0		$ (3)		$ 0

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