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. 27, 2014		Sep. 28, 2013		Sep. 27, 2014		Sep. 28, 2013
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 5	[1]	$ (4)	[1]	$ 16	[1]	$ 0	[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	1	[1]	(1)	[1]	3	[1]	2	[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]	(3)	[1]	13	[1]	(2)	[1]
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(2)		(7)		(26)		5
Gain (loss) reclassified from AOCI into income	0		2		11		4
Gain (loss) recognized in income	(1)	[1]	0	[1]	(3)	[1]	0	[1]
Cash Flow Hedging [Member] | Foreign Currency Exchange Contracts [Member] | Selling General and Administrative Expenses [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	3		(3)		4		(2)
Gain (loss) reclassified from AOCI into income	2		1		5		1
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	16		(4)		13		8
Gain (loss) reclassified from AOCI into income	0		2		2		7
Gain (loss) recognized in income	(1)	[1]	0	[1]	(3)	[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	(20)		0		(43)		0
Gain (loss) reclassified from AOCI into income	0		1		9		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	(1)		0		0		(1)
Gain (loss) reclassified from AOCI into income	(2)		(2)		(5)		(7)
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 AOCI	42		0		47		0
Net Investment Hedging [Member] | Foreign Currency Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	42		0		47		0
Not Designated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(60)		(1)		(71)		(24)
Not Designated [Member] | Foreign Currency Exchange Contracts [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	1		1		(1)		0
Not Designated [Member] | Foreign Currency Exchange Contracts [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	0		0		0		2
Not Designated [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income					(4)		0
Not Designated [Member] | Commodity Contracts [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ (61)		$ (2)		$ (66)		$ (26)

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