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, 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 (loss) income	34			35			35	(1)
Other comprehensive loss, net of tax	(1)				(1)		(1)
Common stock issued		1	(1)
Stock-based compensation charges	3		3				3
Purchase of treasury shares	(7)					(7)	(7)
Retirement of common stock		(1)	(6)			7
Ending Balance at Mar. 31, 2018	1,838	98	1,854	7	(52)	(96)	1,811	27
Beginning 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 (loss) income	79
Other comprehensive loss, net of tax					(24)
Ending Balance at Jun. 30, 2018	3,566	183	3,480	54	(75)	(96)	3,546	20
Beginning Balance at Mar. 31, 2018	1,838	98	1,854	7	(52)	(96)	1,811	27
Net (loss) income	45			47			47	(2)
Other comprehensive loss, net of tax	(23)				(23)		(23)
CB&I combination	1,688	85	1,608				1,693	(5)
Stock-based compensation charges	25		25				25
Purchase of treasury shares	(7)					(7)	(7)
Retirement of common stock			(7)			7
Ending Balance at Jun. 30, 2018	3,566	183	3,480	54	(75)	(96)	3,546	20
Beginning Balance at Dec. 31, 2018	823	183	3,539	(2,719)	(107)	(96)	800	23
Net (loss) income	(57)			(56)			(56)	(1)
Other comprehensive loss, net of tax	(58)				(58)		(58)
Common stock issued		2	(2)
Stock-based compensation charges	6		6				6
Accretion and dividends on redeemable preferred stock	(14)			(14)			(14)
Conversion of noncontrolling interest	(24)		2				2	(26)
Purchase of treasury shares	(4)					(4)	(4)
Retirement of common stock		(1)	(3)			4
Other	3		3				3
Ending Balance at Mar. 31, 2019	675	184	3,545	(2,789)	(165)	(96)	679	(4)
Beginning Balance at Dec. 31, 2018	823	183	3,539	(2,719)	(107)	(96)	800	23
Net (loss) income	(171)
Other comprehensive loss, net of tax					(74)
Ending Balance at Jun. 30, 2019	537	185	3,549	(2,935)	(181)	(96)	522	15
Beginning Balance at Mar. 31, 2019	675	184	3,545	(2,789)	(165)	(96)	679	(4)
Net (loss) income	(114)			(132)			(132)	18
Other comprehensive loss, net of tax	(16)				(16)		(16)
Common stock issued		1	(1)
Stock-based compensation charges	5		5				5
Accretion and dividends on redeemable preferred stock	(14)			(14)			(14)
Other	1							1
Ending Balance at Jun. 30, 2019	$ 537	$ 185	$ 3,549	$ (2,935)	$ (181)	$ (96)	$ 522	$ 15