Stockholders' Equity (Summary of Dividends Declared and Paid) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016
Stockholders' Equity Note [Abstract]
Dividends declared and paid	$ 47	$ 46	$ 139	$ 139
Dividend equivalents paid	2	7	24	34
Total dividends and dividend equivalents paid	$ 49	$ 53	$ 163	$ 173
Cash dividends declared per common share (in usd per share)	$ 0.075	$ 0.075	$ 0.225	$ 0.225