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. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 6	[1]	$ 0	[1]	$ 11	[1]	$ 4	[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]	0	[1]	2	[1]	3	[1]
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	5	[1]	0	[1]	9	[1]	1	[1]
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	(23)		1		(24)		12
Gain (loss) reclassified from AOCI into income	1		2		11		2
Gain (loss) recognized in income	(2)	[1]	0	[1]	(2)	[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	1		0		1		1
Gain (loss) reclassified from AOCI into income	2		0		3		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	(8)		3		(3)		12
Gain (loss) reclassified from AOCI into income	1		3		2		5
Gain (loss) recognized in income	(2)	[1]	0	[1]	(2)	[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	(16)		0		(23)		0
Gain (loss) reclassified from AOCI into income	0		1		9		2
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	0		(2)		1		(1)
Gain (loss) reclassified from AOCI into income	(2)		(2)		(3)		(5)
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	3		0
Net Investment Hedging [Member] | Foreign Currency Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI	3		0
Not Designated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(19)		(7)		(11)		(23)
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)		0		(2)		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		1		0		1
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	$ (18)		$ (8)		$ (5)		$ (24)

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