Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accrued liabilities not currently deductible:
Employee compensation and benefits	$ 105	$ 107
Project and non-project reserves	20	33
Net operating loss carryforward	399	397
Tax basis of investment in excess of book basis, net	123	66
U.S. foreign tax credit carryforward	611	567
AOCI	42	21
Other	115	57
Total deferred tax assets	1,415	1,248
Valuation allowance	(1,340)	(1,211)
Deferred tax assets, net	75	37
Deferred tax liabilities:
Book basis of property and equipment in excess of tax basis	(19)	(10)
Dividend withholding on unremitted non-U.S. earnings	(60)	(46)
Other	(15)	(20)
Total deferred tax liabilities	(94)	(76)
Deferred tax liabilities, net of deferred tax assets	$ (19)	$ (39)