CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock Par Value [Member]	Capital in Excess of Par Value [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss ("AOCI") [Member]	Treasury Stock [Member]	Stockholder's Equity [Member]	Noncontrolling Interest ("NCI") [Member]
Beginning Balance at Dec. 31, 2016	$ 1,595	$ 83	$ 1,862	$ (227)	$ (67)	$ (95)	$ 1,556	$ 39
Net income (loss)	178			179			179	(1)
Other comprehensive income (loss), net of tax	16				16		16
Common stock issued		15	(15)
Stock-based compensation charges	15		15				15
Purchase of treasury shares	(7)					(7)	(7)
Retirement of common stock			(6)			6
Purchase of shares from NCI	(8)		2				2	(10)
Ending Balance at Dec. 31, 2017	1,789	98	1,858	(48)	(51)	(96)	1,761	28
Adoption of ASC 606 at Dec. 31, 2017	20			20			20
Beginning Balance at Dec. 31, 2017	1,809	98	1,858	(28)	(51)	(96)	1,781	28
Net income (loss)	(2,678)			(2,687)			(2,687)	9
CB&I Combination	1,679	85	1,608				1,693	(14)
Other comprehensive income (loss), net of tax	(56)				(56)		(56)
Common stock issued		1	(1)
Stock-based compensation charges	44		44				44
Warrants	43		43				43
Accretion and dividends on redeemable preferred stock	(4)			(4)			(4)
Purchase of treasury shares	(14)					(14)	(14)
Retirement of common stock		(1)	(13)			14
Ending Balance at Dec. 31, 2018	823	183	3,539	(2,719)	(107)	(96)	800	23
Net income (loss)	(2,884)			(2,909)			(2,909)	25
Other comprehensive income (loss), net of tax	4				4		4
Common stock issued		13	(13)
Stock-based compensation charges	20		20				20
Warrants			5	(5)
Accretion and dividends on redeemable preferred stock	(60)			(60)			(60)
Conversion of non-controlling interest	(46)		2				2	$ (48)
Purchase of treasury shares	(4)					(4)	(4)
Retirement of common stock		(1)	(3)			4
Other	4	1	3				4
Ending Balance at Dec. 31, 2019	$ (2,143)	$ 196	$ 3,553	$ (5,693)	$ (103)	$ (96)	$ (2,143)