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		6 Months Ended
		Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		$ 2	$ 6	$ (24)	$ 12
Not Designated as Hedging Instrument | Foreign currency exchange contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(4)	(1)	(13)	(10)
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		(1)	0	(1)	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)	(8)	10
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		10	6	(3)	10
Not Designated as Hedging Instrument | Commodity contracts | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income		0	2	1	2
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	5	3	10	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	0
Fair Value Hedges | Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	[1]	5	3	10	9
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		1	(3)	1	(60)
Gain (loss) reclassified from AOCI into income		(3)	(6)	(4)	(8)
Gain (loss) recognized in income	[1]	0	(1)	0	(1)
Cash Flow Hedging | Foreign Exchange Contracts, One [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	(1)	0	9
Cash Flow Hedging | Foreign Exchange Contracts, One [Member] | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		0	0	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	(1)	0	(1)
Cash Flow Hedging | Foreign Exchange Contracts, Two [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI				0	0
Cash Flow Hedging | Foreign Exchange Contracts, Two [Member] | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income				0	0
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
Cash Flow Hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		1	(3)	1	(69)
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		(3)	(2)	(5)	(8)
Cash Flow Hedging | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		0	1	0	0
Cash Flow Hedging | Commodity contracts | COGS
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		0	(4)	0	(7)
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		(157)	45	(182)	(35)
Net Investment Hedging | Foreign currency denominated long-term debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		(157)	46	(182)	(12)
Net Investment Hedging | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in AOCI		$ 0	$ (1)	$ 0	$ (23)

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