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. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		$ (12)	$ (47)	$ 0	$ (36)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		3	5	(7)	6
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(1)	(3)	9	4
Not Designated as Hedging Instrument | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income				0	0
Not Designated as Hedging Instrument | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(14)	(47)	(4)	(45)
Not Designated as Hedging Instrument | Commodity contracts | SGA
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		0	(2)	2	(1)
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	6	6	15	9
Fair Value Hedges | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]			0	(4)
Fair Value Hedges | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	6	6	15	13
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		3	7	(57)	11
Gain (loss) reclassified from AOCI into income		0	7	(8)	14
Gain (loss) recognized in income	[1]	(1)	0	(2)	(2)
Cash Flow Hedging | Foreign Exchange Contracts, One [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		1	9	10	28
Cash Flow Hedging | Foreign Exchange Contracts, One [Member] | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		4	11	11	27
Cash Flow Hedging | Foreign Exchange Contracts, One [Member] | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	(1)	0	(2)	(2)
Cash Flow Hedging | Foreign Exchange Contracts, Two [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		1	0	1	(6)
Cash Flow Hedging | Foreign Exchange Contracts, Two [Member] | SGA
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		1	0	1	(2)
Cash Flow Hedging | Foreign Exchange Contracts, Two [Member] | 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		1	0	(68)	(9)
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		(2)	(1)	(10)	(2)
Cash Flow Hedging | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(2)	0	(2)
Cash Flow Hedging | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		(3)	(3)	(10)	(9)
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		(19)	(13)	(54)	30
Net Investment Hedging | Foreign currency denominated long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		$ (19)	$ (13)	(31)	30
Net Investment Hedging | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI				$ (23)	$ 0

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