Employee Benefit Plans and Postretirement Benefits - Additional Information (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Apr. 16, 2018	Aug. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Expense on defined contribution plan			$ 145	$ 115	$ 97
Plan amendments	$ 527
Amortization period of deferred reduction to retirement benefits payable	4 years 6 months
Amortization of benefits modification				90	119
US Retiree Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Plan amendments				$ 100
Amortization period of deferred reduction to retirement benefits payable				4 years
Amortization of benefits modification			24	$ 24	6
RHRA Benefit
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, increase (decrease) for assets transferred to (from) plan		$ (27)
Pre-tax non-cash settlement charge		$ 3
Pension
Defined Benefit Plan Disclosure [Line Items]
Pre-tax non-cash settlement charge			2	(3)	0
Plan amendments			4	0
Total accumulated benefit obligation			1,256	1,156
Employer contributions			46
Healthcare
Defined Benefit Plan Disclosure [Line Items]
Pre-tax non-cash settlement charge			0	3	0
Plan amendments			1	(6)
Employer contributions			16
Other
Defined Benefit Plan Disclosure [Line Items]
Pre-tax non-cash settlement charge			(1)	1	$ 2
Plan amendments			0	$ 0
Employer contributions			$ 9