Supplemental Financial Information (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	3 Months Ended	6 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013	Nov. 05, 2014 Common Stock Subsequent Event	Oct. 03, 2014 Reclassification out of Accumulated Other Comprehensive Income	Oct. 03, 2014 Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cash dividends declared per common share	$ 0.15	$ 0.15	$ 0.30	$ 0.30	$ 0.15
Dividends paid, net	$ 104		$ 207	$ 210
Dividends payable, date declared					Nov. 05, 2014
Dividends payable, date to be paid					Dec. 17, 2014
Dividends payable, date of record					Nov. 24, 2014
Net income	$ 244	$ 241	$ 480	$ 398		$ 0	$ 0