Segment Reporting - Operating Information by Segment (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	[1]	$ 2,211	$ 608
Operating (loss) income		13	65
Depreciation and amortization		76	23
Capital expenditures	[2]	18	18
Total assets		10,029		$ 9,440
NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		22
APAC [Member]
Segment Reporting Information [Line Items]
Revenues			66
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		194	142
Operating Segments [Member] | NCSA [Member]
Segment Reporting Information [Line Items]
Revenues		1,380	98
Operating (loss) income		73	2
Depreciation and amortization		17	7
Capital expenditures	[2]	3	2
Total assets		3,596		3,257
Operating Segments [Member] | EARC [Member]
Segment Reporting Information [Line Items]
Revenues		148	16
Operating (loss) income		7	(3)
Depreciation and amortization		4
Total assets		1,221		1,169
Operating Segments [Member] | MENA [Member]
Segment Reporting Information [Line Items]
Revenues		380	345
Operating (loss) income		66	70
Depreciation and amortization		12	6
Capital expenditures	[2]	4	3
Total assets		1,565		1,472
Operating Segments [Member] | APAC [Member]
Segment Reporting Information [Line Items]
Revenues		155	149
Operating (loss) income		13	73
Depreciation and amortization		5	7
Capital expenditures	[2]	5	3
Total assets		1,198		1,147
Operating Segments [Member] | Technology [Member]
Segment Reporting Information [Line Items]
Revenues		148
Operating (loss) income		35
Depreciation and amortization		19
Total assets		2,757		2,752
Corporate [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	[3]	(181)	(77)
Depreciation and amortization		19	3
Capital expenditures	[2]	6	$ 10
Total assets	[4]	$ (308)		$ (357)

[1] Intercompany amounts have been eliminated in consolidation.

[2] Capital expenditures reported represent cash purchases. At March 31, 2019 and 2018, we had approximately $19 million and $10 million, respectively, of accrued and unpaid capital expenditures reported in PP&E and accrued liabilities.

[3] Corporate operating results for the three months ended March 31, 2019 include $69 million and $4 million of restructuring and integration costs and transaction costs, respectively. Corporate operating results for the three months ended March 31, 2018 include $12 million and $3 million of restructuring and integration costs and transaction costs, respectively. See Note 10, Restructuring and Integration Costs and Transaction Costs, for further discussion.

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