Earnings Per Share (Schedule of Components of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 01, 2016	Jan. 02, 2015
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ 114	$ (25)	$ 192	$ 54
Income (loss) from discontinued operations, net of income taxes	56	247	251	648
Net income	$ 170	$ 222	$ 443	$ 702
Net income (loss) per share - basic:
Continuing operations (in usd per share)	$ 0.17	$ (0.04)	$ 0.28	$ 0.08
Discontinued operations (in usd per share)	0.08	0.36	0.37	0.94
Net income per share — basic (in usd per share)	0.26	0.32	0.65	1.02
Net income (loss) per share - diluted:
Continuing operations (in usd per share)	0.17	(0.04)	0.28	0.08
Discontinued operations (in usd per share)	0.08	0.36	0.37	0.93
Net income per share — diluted (in usd per share)	$ 0.25	$ 0.32	$ 0.65	$ 1.01
Weighted-average shares outstanding — basic (in shares)	665	689	677	690
Dilutive potential shares from stock-based compensation (in shares)	6	0	6	7
Weighted-average shares outstanding - diluted (in shares)	671	689	683	697
Anti-dilutive potential shares	6	32	6	1