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
		Apr. 01, 2017	Apr. 02, 2016
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		$ (26)	$ 6
Not Designated as Hedging Instrument | Foreign currency exchange contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(9)	(9)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(5)	11
Not Designated as Hedging Instrument | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(13)	4
Not Designated as Hedging Instrument | Commodity contracts | SGA
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		1	0
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	5	6
Fair Value Hedges | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	5	6
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(57)
Gain (loss) reclassified from AOCI into income		(1)	(2)
Gain (loss) recognized in income	[1]	0	0
Cash Flow Hedging | Foreign Exchange Contracts, One [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	10
Cash Flow Hedging | Foreign Exchange Contracts, One [Member] | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		1	7
Cash Flow Hedging | Foreign Exchange Contracts, One [Member] | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	0
Cash Flow Hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(66)
Gain (loss) recognized in income	[1]	0	0
Cash Flow Hedging | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		(2)	(6)
Cash Flow Hedging | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(1)
Cash Flow Hedging | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		0	(3)
Cash Flow Hedging | Commodity contracts | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	0	0
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		(25)	(80)
Net Investment Hedging | Foreign currency denominated long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		(25)	(58)
Net Investment Hedging | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		$ 0	$ (22)

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