Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2016	Oct. 02, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 2,032	$ 2,965	[1]
Balance	2,325	3,053	[1]
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(399)	(316)
Current-period other comprehensive loss, net of taxes	(6)	(57)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	0	0
Balance	(405)	(373)
Cash Flow Hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(1)	(2)
Current-period other comprehensive loss, net of taxes	9	(12)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	0	0
Balance	8	(14)
Pension and Other Post-retirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	289	339
Current-period other comprehensive loss, net of taxes	0	(1)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	(7)	(12)
Balance	282	326
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(111)	21
Current-period other comprehensive loss, net of taxes	3	(70)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	(7)	(12)
Balance	(115)	$ (61)
Transfer to CSRA
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ (31)

[1] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes and for the adoption of ASU 2016-09 related to employee stock-based compensation as described in Note 19 - Reconciliation of Previously Reported Amounts.