Pension and Retiree Medical Benefits Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	Sep. 05, 2020	Sep. 07, 2019	Sep. 05, 2020	Sep. 07, 2019
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer, Discretionary			$ 325	$ 150
Defined Benefit Plan, Service Cost	$ 100	$ 87	300	263
Defined Benefit Plan, Interest Cost	100	125	300	376
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(214)	(205)	(643)	(617)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	3	2	8	7
Defined Benefit Plan, Amortization of Gain (Loss)	45	37	136	111
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	15	0	15
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	1	5	8	0
Defined Benefit Plan, Other Cost (Credit)	(65)	(21)	(191)	(108)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	35	66	109	155
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer, Discretionary			14	17
Defined Benefit Plan, Service Cost	22	18	59	49
Defined Benefit Plan, Interest Cost	21	24	58	64
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(52)	(46)	(138)	(124)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	0	0	0
Defined Benefit Plan, Amortization of Gain (Loss)	16	8	42	21
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	3	0	3
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	0	0
Defined Benefit Plan, Other Cost (Credit)	(15)	(11)	(38)	(36)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	7	7	21	13
Retiree Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	6	5	17	16
Defined Benefit Plan, Interest Cost	6	9	17	25
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(3)	(4)	(11)	(12)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(3)	(4)	(8)	(13)
Defined Benefit Plan, Amortization of Gain (Loss)	(6)	(7)	(16)	(19)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	0	0	0
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	0	0
Defined Benefit Plan, Other Cost (Credit)	(6)	(6)	(18)	(19)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 0	$ (1)	$ (1)	$ (3)