CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2011	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012
Income Statement [Abstract]
Revenues		$ 12,998	$ 14,195	$ 14,673
Costs of services (excludes depreciation and amortization, settlement charge, and restructuring costs of $70 (2014), $238 (2013), and $137 (2012))		9,272	11,293	12,643
Costs of services - settlement charge (excludes amount charged to revenue of $42)	227	0	0	227
Selling, general and administrative (excludes restructuring costs of $6 (2014), $26 (2013), and $3 (2012))		1,220	1,197	1,145
Depreciation and amortization		1,018	1,070	1,139
Goodwill impairment		0	0	232
Restructuring costs		76	264	140
Interest expense		147	183	171
Interest income		(16)	(22)	(38)
Other expense (income), net		18	(25)	6
Total costs and expenses		11,735	13,960	15,665
Income (loss) from continuing operations before taxes		1,263	235	(992)
Tax expense (benefit) on income		383	(62)	(228)
Income (loss) from continuing operations		880	297	(764)
Income from discontinued operations, net of taxes		88	482	162
Net income (loss)		968	779	(602)
Less:
Net income attributable to noncontrolling interest, net of tax		21	19	14
Net income (loss) attributable to CSC common stockholders		$ 947	$ 760	$ (616)
Earnings (loss) per common share - Basic:
Continuing operations (in dollars per share)		$ 5.81	$ 1.80	$ (5.02)
Discontinued operations (in dollars per share)		$ 0.60	$ 3.12	$ 1.05
Basic EPS (in dollars per share)		$ 6.41	$ 4.92	$ (3.97)
Earnings (loss) per common share - Diluted:
Continuing operations (in dollars per share)		$ 5.70	$ 1.79	$ (5.02)
Discontinued operations (in dollars per share)		$ 0.58	$ 3.10	$ 1.05
Diluted EPS (in dollars per share)		$ 6.28	$ 4.89	$ (3.97)
Cash dividend per common share (in dollars per share)		$ 0.8	$ 0.8	$ 0.8