Pension and Retiree Medical Benefits Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	Sep. 08, 2018	Sep. 09, 2017	Sep. 08, 2018	Sep. 09, 2017
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 99	$ 93	$ 298	$ 278
Defined Benefit Plan, Interest Cost	111	108	333	324
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(218)	(196)	(653)	(588)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	1		2	1
Defined Benefit Plan, Amortization of Gain (Loss)	41	29	124	85
Defined Benefit Plan Period Gross	34	34	104	100
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	7	0	7	0
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits		2	3	4
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	41	36	114	104
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	23	21	63	58
Defined Benefit Plan, Interest Cost	23	21	63	57
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(50)	(42)	(134)	(112)
Defined Benefit Plan, Amortization of Gain (Loss)	12	12	31	33
Defined Benefit Plan Period Gross	8	12	23	36
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	2	2	2	2
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	1
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	10	14	26	38
Retiree Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	7	6	22	19
Defined Benefit Plan, Interest Cost	8	8	24	25
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(4)	(5)	(13)	(15)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(5)	(5)	(14)	(17)
Defined Benefit Plan, Amortization of Gain (Loss)	(2)	(3)	(7)	(9)
Defined Benefit Plan Period Gross	4	1	12	3
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	0	0	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 4	$ 1	$ 12	$ 3