Fair Value Measurements (Narrative) (Details) - USD ($)	9 Months Ended
	Dec. 30, 2016	Apr. 01, 2016
Fair Value Disclosures [Abstract]
Transfers between fair value measurement levels	$ 0
Level 2:
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value of debt	$ 7,200,000,000	$ 2,300,000,000