Employee Benefit Plans - Amounts Recognized in Balance Sheet and Assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent liabilities	$ (1,009)	$ (1,074)
Pension Benefits | U.S.
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	0	0
Current liabilities	(16)	(28)
Noncurrent liabilities	(203)	(271)
Total recognized	$ (219)	$ (299)
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	5.35%	5.65%
Rate of compensation increase	5.00%	5.00%
Interest crediting rate for applicable benefits	4.20%	3.55%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	5.65%	3.85%
Expected return on plan assets	5.30%	3.90%
Rate of compensation increase	5.00%	4.00%
Interest crediting rate for applicable benefits	3.55%	2.50%
Pension Benefits | Int’l.
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	$ 491	$ 373
Current liabilities	(9)	(10)
Noncurrent liabilities	(263)	(260)
Total recognized	$ 219	$ 103
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.10%	4.20%
Rate of compensation increase	3.65%	3.65%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	4.20%	2.15%
Expected return on plan assets	5.20%	2.85%
Rate of compensation increase	3.65%	3.40%
Other Benefits
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	$ 0	$ 0
Current liabilities	(24)	(32)
Noncurrent liabilities	(83)	(70)
Total recognized	$ (107)	$ (102)
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	5.30%	5.65%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	5.65%	2.65%