Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount

No definition available.

Name:	csc_CumulativeQuantifyingMisstatementInCurrentYearFinancialStatementsAmount
Namespace Prefix:	csc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Quantifying Misstatement in Current Year Financial Statements, Amount, Net of Tax, Including Discrete Tax Benefits

+ References

No definition available.

+ Details

Name:	csc_QuantifyingMisstatementInCurrentYearFinancialStatementsAmountNetOfTaxIncludingDiscreteTaxBenefits
Namespace Prefix:	csc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Quantifying Misstatement in Current Year Financial Statements, Income Tax Expense (Benefit)

+ References

No definition available.

+ Details

Name:	csc_QuantifyingMisstatementinCurrentYearFinancialStatementsIncomeTaxExpenseBenefit
Namespace Prefix:	csc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

+ Details

Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6515339

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

+ Details

Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.19)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.18)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.22)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

+ Details

Name:	us-gaap_NetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Investigations and Out of Period Adjustments (Textual) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Income from continuing operations before taxes	$ 245	$ 239	$ 459	$ 473
Net income attributable to CSC common stockholders	151	232	297	406
Taxes on income	68	77	123	150
Adjustment Increase/(Decrease)
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Income from continuing operations before taxes	4	31	(12)	13
Net income attributable to CSC common stockholders	(2)	38	(7)	36
Taxes on income	4	(5)	(3)	(20)
Fiscal 2014 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		11		2
Quantifying Misstatement in Current Year Financial Statements, Amount, Net of Tax, Including Discrete Tax Benefits		11		22
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Revenues and Costs
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		17
Quantifying Misstatement in Current Year Financial Statements, Amount, Net of Tax, Including Discrete Tax Benefits		20
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Selling, General and Administrative Expenses
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		1
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Selling, General and Administrative Expenses \| Adjustments Decrease
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		3
Fiscal 2014 Adjustments \| Discrete Tax Benefits
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Quantifying Misstatement in Current Year Financial Statements, Income Tax Expense (Benefit)		9		11
Fiscal 2014 Adjustments \| Uncertain Tax Positions, Tax Restructuring
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Quantifying Misstatement in Current Year Financial Statements, Income Tax Expense (Benefit)				10
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Cost of Sales
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		13
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Prepaid and Accrual Balances
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		6
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Deferred Costs \| Adjustments Decrease
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		4
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Revenues Accounted for Under Percentage of Completion
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		3
Fiscal 2014 Adjustments \| Adjustments for Inappropriately Recognized Capitalization Costs
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		1
Taxes on income		8
Fiscal 2014 Adjustments \| GBS and GIS Segments [Member] \| Adjustments Increase
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		3		11
Fiscal 2014 Adjustments \| GBS \| Adjustments for Inappropriately Recognized Revenues and Costs
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		9
Fiscal 2014 Adjustments \| GBS \| Adjustment for Understated Payroll and Related Expense
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount		$ 1