Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Income Tax Disclosure [Abstract]
Reduction in provision related to certain foreign operations	$ 8		$ 8
Reduction in provision related to certain transaction costs	10
Reduction in effective tax rate resulting from settlements and lapses of statues of limitations		$ 2		$ 16
Decrease in unrecognized tax benefits is reasonably possible	$ 27		$ 27