CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Jan. 02, 2015	Dec. 27, 2013	Jan. 02, 2015	Dec. 27, 2013
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (313)us-gaap_ProfitLoss	$ 276us-gaap_ProfitLoss	$ (6)us-gaap_ProfitLoss	$ 695us-gaap_ProfitLoss
Other comprehensive (loss) income, net of taxes:
Foreign currency translation	(90)	(9)	(189)	(93)
Foreign currency forward contracts	(2)	0	(8)	0
Pension and other post-retirement benefit plans	52	260	48	260
Other comprehensive (loss) income, net of taxes	(40)	251	(149)	167
Comprehensive (loss) income	(353)	527	(155)	862
Less: comprehensive income attributable to noncontrolling interest, net of taxes	1	5	11	27
Comprehensive (loss) income attributable to CSC common stockholders	$ (354)us-gaap_ComprehensiveIncomeNetOfTax	$ 522us-gaap_ComprehensiveIncomeNetOfTax	$ (166)us-gaap_ComprehensiveIncomeNetOfTax	$ 835us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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