CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 40	$ (130)
OCI, net of tax:
Foreign currency translation adjustment	(45)	46
Ownership share of equity method investees’ OCI	(1)	(1)
Other	(4)	1
Total OCI, net of tax	(50)	46
Comprehensive income (loss)	(10)	(84)
Less: Comprehensive income (loss) attributable to NCI	(19)	(23)
Comprehensive income (loss) attributable to Fluor	$ 9	$ (61)