Retirement Benefits - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation plan, employer percentage of matching	4.00%
Deferred compensation plan, maximum employer contribution for board officers	$ 50,000
Defined contribution plan, expenses for material defined contribution plans	45,000,000	$ 43,000,000	$ 36,000,000
Defined contribution plan, discretionary matching contributions made during period	$ 0	$ 0	$ 0
Pension Benefit Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Years of service required	1 year
Discount rate	5.01%	5.20%	2.98%
Company contributions	$ 3,000,000	$ 3,000,000
Net periodic pension cost	(81,000,000)	(64,000,000)	$ (50,000,000)
Actuarial present value of the future death benefits	$ 3,928,000,000	$ 3,809,000,000	$ 5,140,000,000
Pension Benefit Plans | Non U.S.
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.30%	4.60%	1.82%
Company contributions	$ 9,000,000	$ 8,000,000
Net periodic pension cost	(16,000,000)	(51,000,000)	$ (64,000,000)
Actuarial present value of the future death benefits	$ 1,347,000,000	$ 1,207,000,000	1,935,000,000
Postretirement Health Care Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Retirement age	65 years
Maximum annual participant subsidy (per participant)	$ 560
Discount rate	4.92%	5.10%
Company contributions	$ 0	$ 0
Net periodic pension cost	(3,000,000)	(6,000,000)	(12,000,000)
Actuarial present value of the future death benefits	96,000,000	103,000,000	78,000,000
Split-dollar Life Insurance Arrangement
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension cost	5,000,000	5,000,000	$ 5,000,000
Actuarial present value of the future death benefits	$ 52,000,000	$ 54,000,000