Equity Reclassifications Out of AOCI (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Derivative Instruments, Gain (Loss) [Line Items]
COGS		$ (7,901)	$ (8,259)	$ (8,844)
SGA		(3,076)	(3,360)	(3,590)
Interest expense		(256)	(406)	(227)
Net experience loss, pre-tax		0	3	3
Prior service cost		1	5	9
Total before tax		1,674	927	773
Tax (expense) benefit		(412)	(233)	(159)
Venezuela deconsolidation loss related to CTA, net of tax		0	63	0
Net income		1,269	695	614
Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Venezuela deconsolidation loss related to CTA, net of tax		0	63	0
Net income		7	74	(12)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total before tax		9	11	(23)
Tax (expense) benefit		(3)	(6)	3
Net income		6	5	(20)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS		(1)	(14)	(40)
SGA		0	(1)	2
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense		10	13	3
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS		0	13	12
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]	0	3	3
Prior service cost	[1]	1	5	9
Total before tax		1	8	12
Tax (expense) benefit		0	(2)	(4)
Net income		$ 1	$ 6	$ 8

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