CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 68	$ 73	$ (62)	$ 128
OCI, net of tax:
Foreign currency translation adjustment	19	(33)	65	(4)
Ownership share of equity method investees’ OCI	(3)	17	(4)	18
Other	1	(1)	2	(2)
Total OCI, net of tax	17	(17)	63	12
Comprehensive income	85	56	1	140
Less: Comprehensive income (loss) attributable to NCI	7	8	(16)	15
Comprehensive income attributable to Fluor	$ 78	$ 48	$ 17	$ 125