Segment Reporting - Operating Information by Segment (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	[1]	$ 2,137	$ 1,735	$ 4,348	$ 2,343
Operating (loss) income	[2]	(61)	49	(48)	113
Depreciation and amortization		61	58	137	80
Capital expenditures	[3]	15	24	33	43
Total assets		9,998		9,998		$ 9,440
NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		74		96
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	[2]	85	206	279	348
Operating Segments [Member] | NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		1,259	995	2,639	1,093
Operating (loss) income	[2]	15	49	88	51
Depreciation and amortization		14	9	31	16
Capital expenditures	[3]	2		5	2
Total assets		3,489		3,489		3,257
Operating Segments [Member] | EARC [Member]
Segment Reporting Information [Line Items]
Revenues		192	58	340	74
Operating (loss) income	[2]	4	(8)	11	(11)
Depreciation and amortization		3	3	7	3
Capital expenditures	[3]	1		1
Total assets		1,238		1,238		1,169
Operating Segments [Member] | MENA [Member]
Segment Reporting Information [Line Items]
Revenues		399	469	779	814
Operating (loss) income	[2]	29	97	95	167
Depreciation and amortization		13	10	25	16
Capital expenditures	[3]	4	4	8	7
Total assets		1,583		1,583		1,472
Operating Segments [Member] | APAC [Member]
Segment Reporting Information [Line Items]
Revenues		133	108	288	257
Operating (loss) income	[2]	2	43	15	116
Depreciation and amortization		2	2	7	9
Capital expenditures	[3]		2	5	5
Total assets		1,200		1,200		1,147
Operating Segments [Member] | Technology [Member]
Segment Reporting Information [Line Items]
Revenues		154	105	302	105
Operating (loss) income	[2]	35	25	70	25
Depreciation and amortization		18	14	37	14
Total assets		2,726		2,726		2,752
Corporate [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	[2]	(146)	(157)	(327)	(235)
Depreciation and amortization		11	20	30	22
Capital expenditures	[3]	8	$ 18	14	$ 29
Total assets	[4]	$ (238)		$ (238)		$ (357)

[1] Intercompany amounts have been eliminated in consolidation.

[2] (1)    NCSA operating results for the three and six months ended June 30, 2019 included $101 million loss on the sale of APP, discussed in Note 4, Disposition of Alloy Piping Products, LLC. Corporate operating results for the three and six months ended June 30, 2019 included:   • $20 million and $89 million of restructuring and integration costs, respectively; and   • $11 million and $15 million of transaction costs, respectively. Corporate operating results for the six months ended June 30, 2018 included:   • $63 million and $75 million of restructuring and integration costs, respectively; and   • $37 million and $40 million of transaction costs, respectively. See Note 11, Restructuring and Integration Costs and Transaction Costs, for further discussion.

[3] Capital expenditures reported represent cash purchases. At June 30, 2019 and 2018, we had approximately $47 million and $14 million, respectively, of accrued and unpaid capital expenditures reported in property, plant and equipment and accrued liabilities.

[4] Corporate assets at June 30, 2019 and December 31, 2018 include negative cash balances associated with our international cash pooling program.