Equity Reclassifications Out of AOCI (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Derivative Instruments, Gain (Loss) [Line Items]
COGS		$ (8,259)	$ (8,844)	$ (9,517)
SGA		(3,360)	(3,590)	(4,039)
Interest expense		(406)	(227)	(209)
Net experience loss, pre-tax		3	3	3
Prior service cost		5	9	10
Total before tax		927	773	825
Tax (expense) benefit		(233)	(159)	(186)
Venezuela deconsolidation loss related to CTA, net of tax		63	0	0
Net income		695	614	633
Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Venezuela deconsolidation loss related to CTA, net of tax		63	0	0
Net income		74	(12)	1
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total before tax		11	(23)	(10)
Tax (expense) benefit		(6)	3	2
Net income		5	(20)	(8)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS		(14)	(40)	(5)
SGA		(1)	2	(3)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense		13	3	(9)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS		13	12	7
Reclassification out of Accumulated Other Comprehensive Income | Amortization of postretirement and postemployment benefits
Derivative Instruments, Gain (Loss) [Line Items]
Net experience loss, pre-tax	[1]	3	3	3
Prior service cost	[1]	5	9	10
Total before tax		8	12	13
Tax (expense) benefit		(2)	(4)	(4)
Net income		$ 6	$ 8	$ 9

[1] See Note 10 and Note 11 for further details.