Derivative Instruments and Fair Value Measurements Derivative Instruments and Fair Value Measurements - Schedule of Effect of Fair Value and Cash Flow Hedge Accounting on Consolidated Statement of Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Cost of goods sold	$ 2,149	$ 2,088
Interest Expense, Debt	69	61
Foreign currency exchange contracts | COGS | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		1
Foreign currency exchange contracts | Interest expense | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income	0	0
Interest rate contracts | COGS | Designated as Hedging Instrument | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items		0
Derivatives designated as hedging instruments		0
Interest rate contracts | COGS | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income		0
Interest rate contracts | Interest expense | Designated as Hedging Instrument | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items	32	9
Derivatives designated as hedging instruments	(28)	(4)
Interest rate contracts | Interest expense | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI into income	$ (2)	$ (2)