Derivative Instruments and Fair Value Measurements - Effect of Derivative Instruments on the Consolidated Statements of Income and Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		$ (47)	$ (60)	$ (36)	$ (71)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		5	0	6	0
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(3)	1	4	(1)
Not Designated as Hedging Instrument | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income				0	(4)
Not Designated as Hedging Instrument | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(47)	(61)	(45)	(66)
Not Designated as Hedging Instrument | Commodity contracts | SGA
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(2)	0	(1)	0
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	6	5	9	16
Fair Value Hedges | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	1	(4)	3
Fair Value Hedges | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	6	4	13	13
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		7	(2)	11	(26)
Gain (loss) reclassified from AOCI into income		7	0	14	11
Gain (loss) recognized in income	[1]	0	(1)	(2)	(3)
Cash Flow Hedging | Foreign currency exchange contracts, one
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		9	16	28	13
Cash Flow Hedging | Foreign currency exchange contracts, one | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		11	0	27	2
Cash Flow Hedging | Foreign currency exchange contracts, one | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	(1)	(2)	(3)
Cash Flow Hedging | Foreign currency exchange contracts, two
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	3	(6)	4
Cash Flow Hedging | Foreign currency exchange contracts, two | SGA
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		0	2	(2)	5
Cash Flow Hedging | Foreign currency exchange contracts, two | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	0	0	0
Cash Flow Hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(20)	(9)	(43)
Gain (loss) recognized in income	[1]	0	0	0	0
Cash Flow Hedging | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		(1)	0	(2)	9
Cash Flow Hedging | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		(2)	(1)	(2)	0
Cash Flow Hedging | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		(3)	(2)	(9)	(5)
Cash Flow Hedging | Commodity contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	0	0	0
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		(13)	42	30	47
Net Investment Hedging | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		$ (13)	$ 42	$ 30	$ 47

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