CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Income Statement [Abstract]
Revenues	$ 2,712	$ 3,080	$ 5,473	$ 6,317
Costs of services (excludes depreciation and amortization and restructuring costs)	1,970	2,207	3,996	4,571
Selling, general and administrative (excludes restructuring costs)	286	346	570	690
Depreciation and amortization	203	252	410	524
Restructuring costs	6	(7)	6	3
Separation and merger costs	46	0	64	0
Interest expense	35	36	70	75
Interest income	(7)	(5)	(18)	(10)
Other (income) expense, net	(3)	6	(29)	5
Total costs and expenses	2,536	2,835	5,069	5,858
Income from continuing operations, before taxes	176	245	404	459
Income tax (benefit) expense	3	68	67	123
Income from continuing operations	173	177	337	336
Loss from discontinued operations, net of taxes	0	(21)	0	(29)
Net income	173	156	337	307
Less: net income attributable to noncontrolling interest, net of tax	6	5	10	10
Net income attributable to CSC common stockholders	$ 167	$ 151	$ 327	$ 297
Earnings (loss) per common share - Basic:
Continuing operations (in dollars per share)	$ 1.21	$ 1.20	$ 2.37	$ 2.26
Discontinued operations (in dollars per share)	0.00	(0.15)	0.00	(0.20)
Basic EPS (in dollars per share)	1.21	1.05	2.37	2.06
Earnings (loss) per common share - Diluted:
Continuing operations (in dollars per share)	1.19	1.18	2.32	2.22
Discontinued operations (in dollars per share)	0.00	(0.14)	0.00	(0.20)
Diluted EPS (in dollars per share)	1.19	1.04	2.32	2.02
Cash dividend per common share (in dollars per share)	$ 0.23	$ 0.23	$ 0.46	$ 0.46