Earnings Per Share (Schedule of Components of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Earnings Per Share [Abstract]
Net income	$ 156	$ 244	$ 273	$ 480
Net income per share — basic (in usd per share)	$ 0.23	$ 0.35	$ 0.40	$ 0.69
Net income per share — diluted (in usd per share)	$ 0.23	$ 0.35	$ 0.40	$ 0.69
Weighted-average shares outstanding — basic (in shares)	682	690	682	691
Dilutive potential shares from stock-based compensation (in shares)	5	6	7	6
Weighted-average shares outstanding - diluted (in shares)	687	696	689	697
Anti-dilutive effect of stock-based compensation (in shares)	11	1	6	2