Restructuring, Separation, Transition and Other Costs (Schedule of the Restructuring and Separation Liabilities Summary) (Details) $ in Millions	3 Months Ended	6 Months Ended
	Sep. 29, 2017 USD ($)	Sep. 29, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring transition costs	$ 97	$ 185
Severance and termination benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring transition costs	12	39
Other exit and disposal costs
Restructuring Cost and Reserve [Line Items]
Restructuring transition costs	1	17
Asset write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring transition costs	8	9
Transition costs
Restructuring Cost and Reserve [Line Items]
Restructuring transition costs	76	120
Fiscal 2017 Plan:
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		46
Costs, Net of Adjustments		56
Cash Payments		(69)
Non-Cash Charges		(8)
Balance as of September 29, 2017	25	25
Cumulative Incurred to Date for FY17 Plan	211	211
Fiscal 2017 Plan: | Severance and termination benefit costs
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		20
Costs, Net of Adjustments		39
Cash Payments		(49)
Non-Cash Charges		0
Balance as of September 29, 2017	10	10
Cumulative Incurred to Date for FY17 Plan	115	115
Fiscal 2017 Plan: | Other exit and disposal costs
Restructuring Reserve [Roll Forward]
Balance as of March 31, 2017		26
Costs, Net of Adjustments		17
Cash Payments		(20)
Non-Cash Charges		(8)
Balance as of September 29, 2017	15	15
Cumulative Incurred to Date for FY17 Plan	$ 96	$ 96