Net Income (Loss) Per Share (Schedule of Components of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ (69)	$ 53	$ (3)	$ 78
Income (loss) from discontinued operations, net of tax	(75)	103	(6)	195
Net income (loss)	$ (144)	$ 156	$ (9)	$ 273
Income (loss) per share - basic:
Continuing operations (in usd per share)	$ (0.11)	$ 0.08	$ 0.00	$ 0.11
Discontinued operations (in usd per share)	(0.12)	0.15	(0.01)	0.29
Net income (loss) per share — basic (in usd per share)	(0.23)	0.23	(0.01)	0.40
Income (loss) per share - diluted:
Continuing operations (in usd per share)	(0.11)	0.08	0.00	0.11
Discontinued operations (in usd per share)	(0.12)	0.15	(0.01)	0.28
Net income (loss) per share — diluted (in usd per share)	$ (0.23)	$ 0.23	$ (0.01)	$ 0.40
Weighted-average shares outstanding — basic (in shares)	620	682	617	682
Dilutive potential shares (in shares)	0	5	0	7
Weighted-average shares outstanding - diluted (in shares)	620	687	617	689
Anti-dilutive potential shares (in shares)			139	11