Employee Benefit Plans (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Apr. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Benefit Obligation:
Plan amendment	$ 72
Change in Plan Assets:
Employer contributions		$ 102
Amounts Recognized in the Consolidated Balance Sheets:
Pension and other benefit liabilities		(1,216)	$ (1,175)
Post-retirement medical benefits		(171)	(184)
Pension Plan
Change in Benefit Obligation:
Benefit obligation - beginning		6,585
Benefit obligation - ending		6,956	6,585
Change in Plan Assets:
Fair value of plan assets - beginning		6,112
Employer contributions		81
Fair value of plan assets - ending		6,190	6,112
Net funded status		(766)	(473)
Pension Plan | United States
Change in Benefit Obligation:
Benefit obligation - beginning		2,345	3,372
Service cost		0	1	$ 2
Interest cost (income)		116	(65)	80
Plan participants' contributions		0	0
Actuarial loss (gain)		75	(643)
Currency exchange rate changes		0	0
Plan amendment		0	0
Plan curtailments		0	0
Benefits paid/settlements		(147)	(320)
Other		0	0
Benefit obligation - ending		2,389	2,345	3,372
Change in Plan Assets:
Fair value of plan assets - beginning		1,518	2,544
Actual return on plan assets		104	(730)
Employer contributions		53	24
Plan participants' contributions		0	0
Currency exchange rate changes		0	0
Benefits paid/settlements		(147)	(320)
Other		0	0
Fair value of plan assets - ending		1,528	1,518	2,544
Net funded status		(861)	(827)
Amounts Recognized in the Consolidated Balance Sheets:
Other long-term assets		0	0
Accrued compensation and benefit costs		(24)	(24)
Pension and other benefit liabilities		(837)	(803)
Post-retirement medical benefits		0	0
Net Amounts Recognized		(861)	(827)
Accumulated Benefit Obligation		2,389	2,345
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Net actuarial loss (gain)		731	692
Prior service cost (credit)		0	0
Total loss (gain) - Pre-tax		731	692
Pension Plan | Non-U.S.
Change in Benefit Obligation:
Benefit obligation - beginning		4,240	6,543
Service cost		5	16	20
Interest cost (income)		188	123	88
Plan participants' contributions		1	2
Actuarial loss (gain)		165	(1,697)
Currency exchange rate changes		205	(534)
Plan amendment		36	72
Plan curtailments		0	(20)
Benefits paid/settlements		(273)	(265)
Other		0	0
Benefit obligation - ending		4,567	4,240	6,543
Change in Plan Assets:
Fair value of plan assets - beginning		4,594	7,252
Actual return on plan assets		89	(1,865)
Employer contributions		28	81
Plan participants' contributions		1	2
Currency exchange rate changes		223	(609)
Benefits paid/settlements		(273)	(265)
Other		0	(2)
Fair value of plan assets - ending		4,662	4,594	7,252
Net funded status		95	354
Amounts Recognized in the Consolidated Balance Sheets:
Other long-term assets		423	667
Accrued compensation and benefit costs		(20)	(19)
Pension and other benefit liabilities		(308)	(294)
Post-retirement medical benefits		0	0
Net Amounts Recognized		95	354
Accumulated Benefit Obligation		4,526	4,194
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Net actuarial loss (gain)		1,551	1,202
Prior service cost (credit)		134	99
Total loss (gain) - Pre-tax		1,685	1,301
Retiree Health
Change in Benefit Obligation:
Benefit obligation - beginning		209	303
Service cost		1	1	2
Interest cost (income)		10	8	8
Plan participants' contributions		7	9
Actuarial loss (gain)		(5)	(59)
Currency exchange rate changes		2	(7)
Plan amendment		(3)	(26)
Plan curtailments		0	0
Benefits paid/settlements		(28)	(27)
Other		0	7
Benefit obligation - ending		193	209	303
Change in Plan Assets:
Fair value of plan assets - beginning		0	0
Actual return on plan assets		0	0
Employer contributions		21	19
Plan participants' contributions		7	8
Currency exchange rate changes		0	0
Benefits paid/settlements		(28)	(27)
Other		0	0
Fair value of plan assets - ending		0	0	$ 0
Net funded status		(193)	(209)
Amounts Recognized in the Consolidated Balance Sheets:
Other long-term assets		0	0
Accrued compensation and benefit costs		(22)	(25)
Pension and other benefit liabilities		0	0
Post-retirement medical benefits		(171)	(184)
Net Amounts Recognized		(193)	(209)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Net actuarial loss (gain)		(73)	(79)
Prior service cost (credit)		(82)	(94)
Total loss (gain) - Pre-tax		$ (155)	$ (173)