CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) - USD ($) $ in Millions		Total		Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive (Loss) Income	Treasury Stock		Total DXC Equity	Non- Controlling Interest
Balance (in shares) (As Previously Reported) at Apr. 01, 2016				148,747,000
Balance (in shares) at Apr. 01, 2016				148,747,000
Balance (As Previously Reported) at Apr. 01, 2016		$ 2,032		$ 149	$ 2,439	$ 33	$ (111)	$ (485)		$ 2,025	$ 7
Balance (Recapitalization adjustment) at Apr. 01, 2016	[1]	0		(147)	147
Balance at Apr. 01, 2016		2,032		$ 2	2,586	33	(111)	(485)		2,025	7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)		(20)				(21)				(21)	1
Other comprehensive income		(58)					(58)			(58)
Share-based compensation expense		14			14					14
Acquisition of treasury stock		(6)						(6)		(6)
Stock option exercises and other common stock transactions (in shares)				2,079,000
Stock option exercises and other common stock transactions		36			36					36
Dividends declared		(20)				(20)				(20)
Non-controlling interest distributions and other		(7)									(7)
Non-controlling interest from acquisition		260									260
Divestiture of NPS		(2)				(2)				(2)
Balance (in shares) at Jul. 01, 2016				150,826,000
Balance at Jul. 01, 2016		$ 2,229		$ 2	2,636	(10)	(169)	(491)		1,968	261
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares		0
Balance (in shares) (As Previously Reported) at Mar. 31, 2017				151,932,000
Balance (in shares) (Recapitalization adjustment) at Mar. 31, 2017	[1]			(10,633,000)
Balance (in shares) at Mar. 31, 2017				141,299,000
Balance (As Previously Reported) at Mar. 31, 2017		$ 2,166		$ 152	2,565	(170)	(162)	(497)	[2]	1,888	278
Balance (Recapitalization adjustment) at Mar. 31, 2017	[1]	0		(151)	(346)			497	[2]
Balance at Mar. 31, 2017		2,166	[3]	$ 1	2,219	(170)	(162)	0	[2]	1,888	278
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Business acquired in purchase, net of issuance costs (in shares)	[4]			141,741,000
Business acquired in purchase, net of issuance costs	[4]	9,911		$ 2	9,848					9,850	61
Net Income (loss)		173				159				159	14
Other comprehensive income		147					169			169	(22)
Share-based compensation expense		40			40					40
Acquisition of treasury stock		(53)						(53)	[2]	(53)
Share repurchase program (in shares)				(250,000)
Share repurchase program		(19)			(10)	(9)				(19)
Stock option exercises and other common stock transactions (in shares)				2,526,000
Stock option exercises and other common stock transactions		25			25					25
Dividends declared		(54)				(54)				(54)
Non-controlling interest distributions and other		9									9
Balance (in shares) at Jun. 30, 2017				285,316,000
Balance at Jun. 30, 2017		$ 12,345		$ 3	$ 12,122	$ (74)	$ 7	$ (53)	[2]	$ 12,005	$ 340
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares		658,819

[1] Certain prior year amounts were adjusted to retroactively reflect the legal capital of DXC.

[2] 658,819 treasury shares as of June 30, 2017

[3] Certain prior year amounts were adjusted to retroactively reflect the legal capital of DXC.

[4] See Note 3: "Acquisitions"