Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Dec. 30, 2016	Jan. 01, 2016		Dec. 30, 2016	Jan. 01, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance				$ 2,032	$ 2,965	[1]
Balance	$ 2,194	$ 2,233	[1]	2,194	2,233	[1]
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(405)	(373)		(399)	(316)
Current-period other comprehensive loss, net of taxes	(174)	(17)		(180)	(74)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	0	0		0	0
Balance	(579)	(390)		(579)	(390)
Cash Flow Hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	8	(14)		(1)	(2)
Current-period other comprehensive loss, net of taxes	6	7		15	(5)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	0	0		0	0
Balance	14	(7)		14	(7)
Pension and Other Post-Retirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	282	326		289	339
Current-period other comprehensive loss, net of taxes	0	0		0	(1)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	(3)	(4)		(10)	(16)
Balance	279	322		279	322
Transfer to CSRA
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance		0		31	0
Current-period other comprehensive loss, net of taxes		0			0
Amounts reclassified from accumulated other comprehensive loss, net of taxes		(31)			(31)
Balance		(31)			(31)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(115)	(61)		(111)	21
Current-period other comprehensive loss, net of taxes	(168)	(10)		(165)	(80)
Amounts reclassified from accumulated other comprehensive loss, net of taxes	(3)	(35)		(10)	(47)
Balance	$ (286)	$ (106)		$ (286)	$ (106)

[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 20 - Reconciliation of Previously Reported Amounts.