Pension and Retiree Medical Benefits Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 11, 2022	Jun. 12, 2021	Jun. 11, 2022	Jun. 12, 2021	Dec. 25, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Settlement	$ 131
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.40%		3.40%		2.90%
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 115	$ 120	$ 229	$ 240
Defined Benefit Plan, Interest Cost	87	74	175	149
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(216)	(224)	(431)	(448)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(7)	(7)	(13)	(14)
Defined Benefit Plan, Amortization of Gain (Loss)	35	52	68	103
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		0		0
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits		(1)
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	3		9	5
Defined Benefit Plan, Other Cost (Credit)	33	(106)	(61)	(205)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	148	14	168	35
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	17	25	34	44
Defined Benefit Plan, Interest Cost	23	19	40	32
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(56)	(57)	(98)	(98)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	(1)	0	(1)
Defined Benefit Plan, Amortization of Gain (Loss)	7	19	12	32
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Curtailment	0	5	0	5
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	0	0
Defined Benefit Plan, Other Cost (Credit)	(26)	(15)	(46)	(30)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(9)	10	(12)	14
Retiree Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	9	7	17	15
Defined Benefit Plan, Interest Cost	4	4	8	7
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(4)	(3)	(7)	(7)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(2)	(3)	(4)	(5)
Defined Benefit Plan, Amortization of Gain (Loss)	(3)	(3)	(6)	(6)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), (Gain) Loss Due to Curtailment	0	0	(16)	0
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	0	0	0	0
Defined Benefit Plan, Other Cost (Credit)	(5)	(5)	(25)	(11)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	$ 4	$ 2	$ (8)	$ 4