CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 30, 2011
Income Statement [Abstract]
Revenues	$ 3,854	$ 3,966	$ 7,811	$ 7,999
Cost of services (excludes depreciation and amortization, settlement charge and restructuring costs ($56 and $83 for the second quarter and first six months of fiscal 2013))	2,994	3,283	6,247	6,648
Cost of services – settlement charge (excludes amount charged to revenue of $42 (fiscal 2012))	0	227	0	227
Selling, general and administrative (excludes restructuring costs ($2 for both the second quarter and first six months of fiscal 2013))	301	307	592	571
Depreciation and amortization	273	290	536	568
Goodwill impairment	0	2,685	0	2,685
Restructuring costs	58	0	85	0
Interest expense	45	46	90	88
Interest income	(5)	(12)	(10)	(24)
Other (income) expense, net	(14)	(6)	(5)	(11)
Total costs and expenses	3,652	6,820	7,535	10,752
Income (loss) from continuing operations before taxes	202	(2,854)	276	(2,753)
Taxes on income	64	12	96	(73)
Income (loss) from continuing operations	138	(2,866)	180	(2,680)
Loss from discontinued operations, net of taxes	0	0	0	(1)
Net income (loss)	138	(2,866)	180	(2,681)
Less:
Net income attributable to noncontrolling interest, net of tax	8	11	10	13
Net income (loss) attributable to CSC common shareholders	$ 130	$ (2,877)	$ 170	$ (2,694)
Earnings per common share - Basic:
Continuing operations	$ 0.84	$ (18.56)	$ 1.09	$ (17.38)
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Basic EPS (in dollars per share)	$ 0.84	$ (18.56)	$ 1.09	$ (17.39)
Earnings per common share - Diluted:
Continuing operations (in dollars per share)	$ 0.83	$ (18.56)	$ 1.09	$ (17.38)
Discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Diluted EPS (in dollars per share)	$ 0.83	$ (18.56)	$ 1.09	$ (17.39)
Cash dividend per common share	$ 0.20	$ 0.20	$ 0.40	$ 0.40