Segment Reporting - Revenue and Operating Results from Continuing Operations (Detail) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues		$ 1,906	$ 2,063
Goodwill impairment		(91)		$ (3,500)
Operating (loss) income		(1,051)	(25)
NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		2	22
EARC [Member]
Segment Reporting Information [Line Items]
Goodwill impairment		(91)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income (loss), prior to goodwill impairment		4	159
Goodwill impairment	[1]	(91)
Operating (loss) income		(87)	159
Operating Segments [Member] | NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		834	1,225
Operating income (loss), prior to goodwill impairment		15	63
Operating Segments [Member] | EARC [Member]
Segment Reporting Information [Line Items]
Revenues		214	139
Operating income (loss), prior to goodwill impairment		(9)	6
Operating Segments [Member] | MENA [Member]
Segment Reporting Information [Line Items]
Revenues		423	353
Operating income (loss), prior to goodwill impairment		(19)	65
Operating Segments [Member] | APAC [Member]
Segment Reporting Information [Line Items]
Revenues		227	130
Operating income (loss), prior to goodwill impairment		5	12
Operating Segments [Member] | Storage Solutions [Member]
Segment Reporting Information [Line Items]
Revenues		208	216
Operating income (loss), prior to goodwill impairment		12	13
Corporate [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	[2]	$ (964)	$ (184)

[1] ⁽¹⁾In the first quarter of 2020, we recognized $91 million of goodwill impairment associated with our EARC reporting segment, as discussed in Note 8, Goodwill and Other Intangible Assets.

[2] ⁽²⁾In the first quarter of 2020, in our Corporate results we recognized approximately $884 million impairment charge associated primarily with our vessels and fabrication yards, as discussed in Note 15, Fair Value Measurements.