Pension and Retiree Medical Benefits - Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 17, 2023	Jun. 11, 2022	Jun. 17, 2023	Jun. 11, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Settlement		$ (131)		$ (131)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Curtailment				(16)
Domestic Plan
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 75	115	$ 151	229
Defined Benefit Plan, Interest Cost	137	87	274	175
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(196)	(216)	(393)	(431)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(6)	(7)	(12)	(13)
Defined Benefit Plan, Amortization of Gain (Loss)	16	35	32	68
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Settlement	0	131	0	131
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits			(1)
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	3		9
Defined Benefit Plan, Other Cost (Credit)	(49)	33	(100)	(61)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	26	148	51	168
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	10	17	18	34
Defined Benefit Plan, Interest Cost	34	23	59	40
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(46)	(56)	(81)	(98)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	0	0	0
Defined Benefit Plan, Amortization of Gain (Loss)	3	7	5	12
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Curtailment	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)	(9)	(26)	(17)	(46)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	1	(9)	1	(12)
Retiree Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	7	9	13	17
Defined Benefit Plan, Interest Cost	9	4	17	8
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(3)	(4)	(6)	(7)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(2)	(2)	(3)	(4)
Defined Benefit Plan, Amortization of Gain (Loss)	(6)	(3)	(12)	(6)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Curtailment	0	0	0	(16)
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	0	0
Defined Benefit Plan, Other Cost (Credit)	(2)	(5)	(4)	(25)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	$ 5	$ 4	$ 9	$ (8)