Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
	Oct. 02, 2015	Oct. 03, 2014
Cash payments for interest and income taxes [Abstract]
Interest	$ 67	$ 74
Taxes on income, net of refunds	38	96
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Capital expenditures in accounts payable and accrued expenses	58	43
Capital expenditures through capital lease obligations	24	4
Assets acquired under long-term financing	0	70
Common share dividends declared, but not yet paid (non-cash)	$ 32	$ 32