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, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Expense on defined contribution plan			$ 138	$ 145	$ 115
Plan amendments	$ 527
Amortization period of deferred reduction to retirement benefits payable	4 years 6 months
Amortization of benefits modification					90
US Retiree Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Plan amendments						$ 101
Amortization period of deferred reduction to retirement benefits payable						4 years
Amortization of benefits modification			24	24	$ 24
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]
Plan amendments			16	4
Total accumulated benefit obligation			1,152	1,256
Employer contributions			43
Healthcare
Defined Benefit Plan Disclosure [Line Items]
Plan amendments			1	1
Employer contributions			19
Other
Defined Benefit Plan Disclosure [Line Items]
Plan amendments			(2)	$ 0
Employer contributions			$ 6