Stockholders' Equity (Details) - USD ($)		12 Months Ended
	Nov. 30, 2015	Apr. 01, 2016		Apr. 03, 2015		Mar. 28, 2014		May 31, 2014	Apr. 30, 2014
Treasury Stock Transactions [Abstract]
Common Stock, dividends, (in usd per share)	$ 10.50
Cash dividend per common share (in dollars per share)		$ 2.99	[1]	$ 0.92	[2]	$ 0.8	[2]
Dividends declared		$ 421,000,000		$ 131,000,000		$ 118,000,000
Dividends declared not paid		$ 19,000,000		$ 32,000,000		$ 29,000,000
Common Stock
Stock Repurchase Program [Abstract]
Share repurchase program								$ 1,500,000,000.0	$ 1,000,000,000
Common Stock | Shares Repurchased From Employees Related To Stock Option Plans [Member]
Treasury Stock Transactions [Abstract]
Accepted common stock in lieu of cash in connection with exercise of stock options (in shares)		48,416		121,350		168,739
Accepted common stock in lieu of cash in connection with the tax withholdings associated with the vesting and release of common stock (in shares)		716,999		330,037		160,753
Computer Sciences Corporation
Treasury Stock Transactions [Abstract]
Common Stock, dividends, (in usd per share)	2.25
CSRA
Treasury Stock Transactions [Abstract]
Common Stock, dividends, (in usd per share)	$ 8.25

[1] Due to the adoption of ASU 2016-09 certain balances related to excess tax benefits from stock compensation were adjusted prospectively as described in Note 1.

[2] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes as described in Note 1 and to give effect to discontinued operations as described in Note 4.