CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income		$ 466	$ 779	$ 991	$ 1,217
Other comprehensive (loss) income, net of taxes:
Foreign currency translation adjustments, net of tax	[1]	(64)	(47)	(472)	62
Cash flow hedges adjustments, net of tax	[2]	14	5	(16)	0
Available-for-sale securities, net of tax		0	0	(1)	0
Pension and other post-retirement benefit plans, net of tax:
Prior service cost, net of tax	[3]	(23)	0	(23)	0
Amortization of prior service cost, net of tax	[4]	(4)	(3)	(10)	(10)
Pension and other post-retirement benefit plans, net of tax		(27)	(3)	(33)	(10)
Other comprehensive (loss) income, net of taxes		(77)	(45)	(522)	52
Comprehensive income		389	734	469	1,269
Less: comprehensive income attributable to non-controlling interest		9	6	8	34
Comprehensive income attributable to DXC common stockholders		$ 380	$ 728	$ 461	$ 1,235

[1] There was no tax expense related to foreign currency translation adjustments during three and nine months ended December 31, 2018. Tax expense related to foreign currency translation adjustments was $14 and $77 for the three and nine months ended December 31, 2017, respectively.

[2] Tax expense (benefit) related to cash flow hedge adjustments was $5 and $(5) for the three and nine months ended December 31, 2018, respectively. Tax expense related to cash flow hedge adjustments was $3 and $0 for the three and nine months ended December 31, 2017, respectively.

[3] Tax benefit related to prior service costs was $5 and $5 for the three and nine months ended December 31, 2018, respectively.

[4] Tax benefit related to amortization of prior service costs was $0 and $1 for the three and nine months ended December 31, 2018, respectively, and $2 and $3 for the three and nine months ended December 31, 2017, respectively.