CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Stock in Treasury [Member]	Total CSC Equity [Member]	Non-Controlling Interest [Member]
Balance at Apr. 01, 2011	$ 3,662	$ 163	$ 2,120	$ 1,418	$ 306	$ (385)	$ 3,622	$ 40
Balance (in shares) at Apr. 01, 2011		162,873,000
Net income (loss) attributable to CSC common stockholders	(616)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(602)			(616)			(616)	14
Total other comprehensive income gain, Net of Tax	(128)				(128)		(128)
Stock-based compensation expense	36		36				36
Acquisition of treasury stock	(5)					(5)	(5)
Stock option exercises and other common stock transactions (in shares)		847,000
Stock option exercises and other common stock transactions	13	1	12				13
Cash dividends declared	(124)			(124)			(124)
Noncontrolling interest distributions and other	(18)			(10)			0	(18)
Balance at Mar. 30, 2012	2,834	164	2,168	668	188	(390)	2,798	36
Balance (in shares) at Mar. 30, 2012		163,720,000
Net income (loss) attributable to CSC common stockholders	760
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	779			760			760	19
Total other comprehensive income gain, Net of Tax	(80)				(80)		(80)
Stock-based compensation expense	48		48				48
Acquisition of treasury stock	(11)					(11)	(11)
Repurchase of common stock (in shares)		(6,708,000)
Repurchase of common stock	(305)	(7)	(94)	(204)			(305)
Stock option exercises and other common stock transactions (in shares)		1,972,000
Stock option exercises and other common stock transactions	47	2	45				47
Cash dividends declared	(123)			(123)			(123)
Noncontrolling interest distributions and other	(29)							(29)
Balance at Mar. 29, 2013	3,160	159	2,167	1,101	108	(401)	3,134	26
Balance (in shares) at Mar. 29, 2013		158,984,000
Net income (loss) attributable to CSC common stockholders	947			947
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	968						947	21
Total other comprehensive income gain, Net of Tax	183				183		183
Stock-based compensation expense	71		71				71
Acquisition of treasury stock	(17)					(17)	(17)
Repurchase of common stock (in shares)		(9,773,000)
Repurchase of common stock	(505)	(10)	(145)	(350)			(505)
Stock option exercises and other common stock transactions (in shares)		5,510,000
Stock option exercises and other common stock transactions	217	6	211				217
Cash dividends declared	(118)			(118)			(118)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	9						0	9
Noncontrolling interest distributions and other	(24)			12	12		0	(24)
Balance at Mar. 28, 2014	$ 3,944	$ 155	$ 2,304	$ 1,592	$ 279	$ (418)	$ 3,912	$ 32
Balance (in shares) at Mar. 28, 2014		154,721,000