CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 42	$ 103
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments, net of tax expense (benefit) of $0 and $5	34	(176)
Cash flow hedges adjustments, net of tax expense (benefit) of $1 and $(1)	3	0
Pension and other post-retirement benefit plans, net of tax:
Amortization of prior service cost, net of tax benefit of $0 and $4	(2)	(2)
Pension and other post-retirement benefit plans, net of tax	(2)	(2)
Other comprehensive income (loss), net of taxes	35	(178)
Comprehensive income (loss)	77	(75)
Less: comprehensive income attributable to non-controlling interest	6	1
Comprehensive income (loss) attributable to DXC common stockholders	$ 71	$ (76)