Equity Reclassifications Out of AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
COGS	$ (8,821)	$ (8,155)	$ (8,131)
SGA	(3,020)	(3,312)	(3,351)
Interest expense	(287)	(256)	(406)
Net experience loss, pre-tax	(5)	0	3
Prior service cost	0	1	5
Total before tax	1,329	1,657	934
Tax (expense) benefit	(181)	(410)	(235)
Venezuela deconsolidation loss related to CTA, net of tax	0	0	63
Net income	1,344	1,254	700
Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Venezuela deconsolidation loss related to CTA, net of tax	0	0	63
Net income	2	7	74
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total before tax	8	9	11
Tax (expense) benefit	(2)	(3)	(6)
Net income	6	6	5
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS	0	(1)	(14)
SGA	0	0	(1)
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	8	10	13
Reclassification out of Accumulated Other Comprehensive Income | (Gains) losses on cash flow hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
COGS	0	0	13
Reclassification out of Accumulated Other Comprehensive Income | Amortization of postretirement and postemployment benefits
Derivative Instruments, Gain (Loss) [Line Items]
Net experience loss, pre-tax	(5)	0	3
Prior service cost	0	1	5
Total before tax	(5)	1	8
Tax (expense) benefit	1	0	(2)
Net income	$ (4)	$ 1	$ 6