Partnerships and Joint Ventures - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities
Variable interest entity information
Investments in loss position, included in other accrued liabilities	$ 243	$ 240
Variable Interest Entity, Not Primary Beneficiary
Variable interest entity information
Net assets	42	33
Variable Interest Entity, Not Primary Beneficiary | Future funding commitment
Variable interest entity information
Commitment amount	57
Variable Interest Entity, Not Primary Beneficiary | Accounts and notes receivable, net
Variable interest entity information
Receivables related to work performed for unconsolidated partnerships and joint ventures	$ 208	$ 205