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
	Mar. 30, 2013		Mar. 31, 2012
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 4	[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	3	[1]	15	[1]
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	1	[1]	1	[1]
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	11		(8)
Gain (loss) reclassified from AOCI into income	0		(4)
Gain (loss) recognized in income	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		0
Gain (loss) reclassified from AOCI into income	0		0
Gain (loss) recognized in income	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	9		(2)
Gain (loss) reclassified from AOCI into income	2		0
Gain (loss) recognized in income	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		0
Gain (loss) reclassified from AOCI into income	1		1
Gain (loss) recognized in income	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	1		(6)
Gain (loss) reclassified from AOCI into income	(3)		(5)
Gain (loss) recognized in income	0	[1]	0	[1]
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	0		(6)
Net Investment Hedging [Member] | Foreign Currency Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	0		(6)
Not Designated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(16)		26
Not Designated [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0		26
Not Designated [Member] | Commodity Contracts [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (16)		$ 0

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