Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Apr. 03, 2015
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ (236)	$ (821)	$ 109
Income from discontinued operations, net of tax	130	3,309	769
Net income (loss)	$ (106)	$ 2,488	$ 878
Income (loss) per share - basic:
Continuing operations (in usd per share)	$ (0.38)	$ (1.23)	$ 0.16
Discontinued operations (in usd per share)	0.21	4.94	1.12
Net income per share - basic (in usd per share)	(0.17)	3.71	1.27
Income (loss) per share - diluted:
Continuing operations (in usd per share)	(0.38)	(1.23)	0.16
Discontinued operations (in usd per share)	0.21	4.94	1.10
Net income per share - diluted (in usd per share)	$ (0.17)	$ 3.71	$ 1.26
Weighted-average shares outstanding — basic (in shares)	618	670	689
Dilutive potential shares from stock-based compensation (in shares)	0	0	7
Weighted-average shares outstanding - diluted (in shares)	618	670	696