Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The majority of these charges were recorded during the fourth quarter (unaudited) as noted below:

Impact on loss from continuing operations before taxes	Twelve Months Ended			Quarter Ended
(Amounts in millions)	March 30, 2012			March 30, 2012
Net unfavorable changes in estimated profitability of fixed price contracts(1)	$	(231	)	$	(99	)
Impairments of assets	(156		)	(112		)
Total	$	(387	)	$	(211	)

Loss (income) from continuingoperations, before taxes, included the following adjustments on long term contracts accounted for under the percentage-of-completion method for the fiscal years presented:

	Twelve Months Ended
(Amounts in millions)	March 30, 2012			April 1, 2011			April 2, 2010
Gross favorable	$	58		$	53		$	44
Gross unfavorable (1)	(289		)	(130		)	(4		)
Total net adjustments	$	(231	)	$	(77	)	$	40

Depreciation And Amortization Schedule Of Estimated Useful Lives By Asset [Table Text Block]

The Company’s depreciation and amortization policies are as follows:

Property and Equipment:
Buildings	Up to 40 years
Computers and related equipment	3 to 5 years
Furniture and other equipment	2 to 10 years
Leasehold improvements	Shorter of lease term or useful life
Software	2 to 10 years
Outsourcing contract costs	Contract life, excluding option years
Credit information files	10 to 20 years
Customer related intangibles	Expected customer service life
Acquired contract related intangibles	Contract life and first contract renewal, where applicable

Stock-based compensation expense recognized by line item detail

The Company recognized stock-based compensation expense for fiscal 2012, fiscal 2011, and fiscal 2010 as follows:

	Twelve Months Ended
(Amounts in millions)	March 30, 2012		April 1, 2011		April 2, 2010
Cost of services	$	15	$	12	$	15
Selling, general and administrative	21		44		49
Total	$	36	$	56	$	64
Total, net of tax	$	23	$	35	$	40

Weighted average assumptions used to calculate compensation expense

The weighted average grant date fair values of stock options granted during fiscal 2012, fiscal 2011, and fiscal 2010 were $10.17, $12.95, and $15.15 per share, respectively. In calculating the compensation expense for its stock incentive plans, the Company used the following weighted average assumptions:

	Fiscal Year
	2012		2011		2010
Risk-free interest rate	1.80	%	2.37	%	2.20	%
Expected volatility	31	%	28	%	41	%
Expected term (in years)	6.11		5.85		4.14
Dividend yield	1.79	%	1.17	%	—

Cash payments for interest on indebtedness and for taxes, supplemental information on cash flow

Cash payments for interest on indebtedness and cash payments for taxes on income are as follows:

	Twelve Months Ended
(Amounts in millions)	March 30, 2012		April 1, 2011		April 2, 2010
Interest	$	177	$	173	$	270
Taxes on income, net of refunds	139		219		345

Non-cash investing activities

Non-cash investing activities include the following:

	Twelve Months Ended
(Amounts in millions)	March 30, 2012		April 1, 2011		April 2, 2010
Capital expenditures in accounts payable and accrued expenses	$	47	$	122	$	59
Capital expenditures through capital lease obligations	270		289		51
Assets acquired under long-term financing	32		115		—

Schedule of earnings per share

Basic earnings (loss) per common share (EPS) are computed using the weighted average number of common shares outstanding during the period. Diluted earnings (loss) per share reflect the incremental shares issuable upon the assumed exercise of stock options and equity awards.

	Twelve Months Ended
(Amounts in millions, except per-share data)	March 30, 2012			April 1, 2011		April 2, 2010
Net (loss) income attributable to CSC common shareholders:
From continuing operations	$	(4,243	)	$	706	$	816
From discontinued operations	1			34		1
	$	(4,242	)	$	740	$	817
Common share information:
Weighted average common shares outstanding for basic EPS	155.012			154.488		152.462
Dilutive effect of stock options and equity awards	—			2.117		2.292
Shares for diluted earnings (loss) per share	155.012			156.605		154.754
Earnings (loss) per share – basic and diluted:
Basic EPS:
Continuing operations	$	(27.38	)	$	4.57	$	5.35
Discontinued operations	0.01			0.22		0.01
Total	$	(27.37	)	$	4.79	$	5.36
Diluted EPS:
Continuing operations	$	(27.38	)	$	4.51	$	5.27
Discontinued operations	0.01			0.22		0.01
Total	$	(27.37	)	$	4.73	$	5.28