Restructuring, Transition and Other Costs (Schedule of the Restructuring and Separation Liabilities Summary) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 29, 2017 USD ($)	Dec. 29, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	$ 93	$ 278
Severance and termination benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	11	50
Other exit and disposal costs (benefit)
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	(2)	15
Asset write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	9	18
Transition costs
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	75	195
Fiscal 2017 Plan:
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		46
Costs, Net of Adjustments		65
Cash Payments		(80)
Non-Cash Charges		(7)
Balance as of December 29, 2017	24	24
Cumulative Incurred to Date	220	220
Fiscal 2017 Plan: | Severance and termination benefit costs
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		20
Costs, Net of Adjustments		50
Cash Payments		(58)
Non-Cash Charges		0
Balance as of December 29, 2017	12	12
Cumulative Incurred to Date	126	126
Fiscal 2017 Plan: | Other exit and disposal costs (benefit)
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		26
Costs, Net of Adjustments		15
Cash Payments		(22)
Non-Cash Charges		(7)
Balance as of December 29, 2017	12	12
Cumulative Incurred to Date	$ 94	$ 94