Supplementary Information (Supplemental Cash Flow Information) (Details) - USD ($) $ in Millions	6 Months Ended
	Oct. 04, 2019	Sep. 28, 2018
Supplementary Information [Abstract]
Income taxes paid, net of refunds	$ 165	$ 57
Interest expense paid	86	93
Cash paid for amounts included in the measurement of operating lease liabilities	31	0
Non-cash operating activities:
Operating lease assets obtained in exchange for operating lease liabilities	13	0
Non-cash investing activities:
Purchases of property and equipment in current liabilities	$ 11	$ 29