CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Dec. 31, 2017	Dec. 30, 2016	Dec. 31, 2017	Dec. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income		$ 779	$ 37	$ 1,217	$ 38
Other comprehensive income, net of taxes:
Foreign currency translation adjustments, net of tax	[1]	(47)	(174)	62	(180)
Cash flow hedges adjustments, net of tax	[2]	5	6	0	15
Pension and other post-retirement benefit plans, net of tax:
Amortization of prior service cost, net of tax	[3]	(3)	(3)	(10)	(10)
Pension and other post-retirement benefit plans, net of tax		(3)	(3)	(10)	(10)
Other comprehensive income (loss), net of taxes		(45)	(171)	52	(175)
Comprehensive income (loss)		734	(134)	1,269	(137)
Less: comprehensive income attributable to non-controlling interest		6	6	34	13
Comprehensive income (loss) attributable to DXC common stockholders		$ 728	$ (140)	$ 1,235	$ (150)

[1] Tax expense related to foreign currency translation adjustments was $14 and $77, respectively, for the three and nine months ended December 31, 2017, and $0 and $1 for the three and nine months ended December 30, 2016, respectively.

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

[3] Tax benefit related to amortization of prior service costs was $2 and $3, respectively, for the three and nine months ended December 31, 2017, and $2 and $5 for the three and nine months ended December 30, 2016.