CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenues	$ 4,502	$ 4,890
Costs of services (excludes depreciation and amortization and restructuring costs)	3,629	3,622
Selling, general, and administrative (excludes depreciation and amortization and restructuring costs)	539	507
Depreciation and amortization	492	470
Restructuring costs	72	142
Interest expense	106	91
Interest income	(23)	(30)
Other income, net	(88)	(118)
Total costs and expenses	4,727	4,684
(Loss) income before income taxes	(225)	206
Income tax (benefit) expense	(26)	38
Net (loss) income	(199)	168
Less: net income attributable to non-controlling interest, net of tax	6	5
Net (loss) income attributable to DXC common stockholders	$ (205)	$ 163
(Loss) income per common share:
Basic (in dollars per share)	$ (0.81)	$ 0.61
Diluted (in dollars per share)	$ (0.81)	$ 0.61