CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)	3 Months Ended
	Jul. 01, 2016	Jul. 03, 2015
Income Statement [Abstract]
Revenues	$ 1,930,000,000	$ 1,804,000,000	[1]
Costs of services (excludes depreciation and amortization and restructuring costs)	1,421,000,000	1,272,000,000	[1]
Selling, general and administrative (excludes depreciation and amortization and restructuring costs)	305,000,000	271,000,000	[1]
Depreciation and amortization	166,000,000	174,000,000	[1]
Restructuring costs	57,000,000	0
Interest expense	25,000,000	30,000,000	[1]
Interest income	(10,000,000)	(11,000,000)	[1]
Other expense (income), net	2,000,000	(4,000,000)	[1]
Total costs and expenses	1,966,000,000	1,732,000,000	[1]
(Loss) income from continuing operations, before taxes	(36,000,000)	72,000,000	[1]
Income tax (benefit) expense	(16,000,000)	7,000,000	[1]
(Loss) income from continuing operations	(20,000,000)	65,000,000	[1]
Income from discontinued operations, net of taxes	0	102,000,000	[1]
Net (loss) income	(20,000,000)	167,000,000	[1],[2]
Less: net income attributable to noncontrolling interest, net of tax	1,000,000	4,000,000	[1]
Net (loss) income attributable to CSC common stockholders	$ (21,000,000)	$ 163,000,000	[1]
(Loss) earnings per common share - Basic:
Continuing operations (in dollars per share)	$ (0.15)	$ 0.47	[1]
Discontinued operations (in dollars per share)	0.00	0.71	[1]
Earnings per common share - basic (in dollars per share)	(0.15)	1.18	[1]
(Loss) earnings per common share - Diluted:
Continuing operations (in dollars per share)	(0.15)	0.46	[1]
Discontinued operations (in dollars per share)	0.00	0.69	[1]
Earnings per common share - diluted (in dollars per share)	(0.15)	1.15	[1]
Cash dividend per common share (in dollars per share)	$ 0.14	$ 0.23	[1]

[1] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes, for the adoption of ASU 2016-09 related to employee stock-based compensation and to give effect to discontinued operations. See Note 19 Reconciliation of Previously Reported Amounts.

[2] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes and for the adoption of ASU 2016-09 related to employee stock-based compensation. See Note 19 Reconciliation of Previously Reported Amounts.