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Partnerships and Joint Ventures (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
SACYR | Discontinued Operations, Disposed of by Sale | Urban Solutions
Variable interest entity information
Loss on sale of investment	$ 11	$ 20
Variable Interest Entity, Not Primary Beneficiary
Variable interest entity information
Net carrying value of the unconsolidated VIEs	30		$ 33
Variable Interest Entity, Not Primary Beneficiary | Future funding commitment
Variable interest entity information
Commitment amount	58
Accrued liabilities
Variable interest entity information
Investments in loss position, included in other accrued liabilities	271		240
Accounts and notes receivable, net | Variable Interest Entity, Not Primary Beneficiary
Variable interest entity information
Receivables related to work performed for unconsolidated partnerships and joint ventures	$ 191		$ 205

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