Stockholder's Equity (Accumlated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Net of Tax Amount			$ (105)	$ (83)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax			(6)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax			0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax			(6)
Net actuarial gain (loss), Before Tax Amount				2
Net actuarial gain (loss), Tax (Expense)/Benefit				0
Net actuarial gain (loss), Net of Tax Amount				2
Foreign currency exchange rate changes, Before Tax Amount				(1)
Foreign currency exchange rate changes, Tax (Expense)/Benefit				0
Foreign currency exchange rate changes, Net of Tax Amount				(1)
Total pension and other post-retirement benefit plans, Before Tax Amount			(4)	0
Total pension and other post-retirement benefit plans, Tax (Expense)/Benefit			0	0
Total pension and other post-retirement benefit plans, Net of Tax Amount	(3)	1	(4)	0
Total other comprehensive income (loss), Before Tax Amount	(141)	3	(108)	(82)
Total other comprehensive income (loss), Tax (Expense)/Benefit	0	(3)	(1)	(2)
Other comprehensive (loss), net of taxes	(141)	0	(109)	(84)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period			279	108
Current-period other comprehensive (loss) income, net of taxes			(105)	(83)
Amounts reclassified from accumulated other comprehensive loss, net of taxes			7	(10)
Balance at end of period	181	15	181	15
Accumulated Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Before Tax Amount	(133)	2	(98)	(82)
Foreign currency translation adjustments, Tax (Expense)/Benefit	0	(3)	(1)	(2)
Foreign currency translation adjustments, Net of Tax Amount	(133)	(1)	(99)	(84)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Current-period other comprehensive (loss) income, net of taxes	(133)	(1)	(99)	(84)
Cash Flow Hedge
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Net of Tax Amount			(6)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(5)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	(5)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period			0
Current-period other comprehensive (loss) income, net of taxes			(6)
Balance at end of period	(6)		(6)
Accumulated Defined Benefit Plans Adjustment, Net Transition Asset (Obligation) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of transition obligation, Before Tax Amount	1		1
Amortization of transition obligation, Tax (Expense)/Benefit	0		0
Amortization of transition obligation, Net of Tax Amount	1		1
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net actuarial gain (loss), Before Tax Amount		2
Net actuarial gain (loss), Tax (Expense)/Benefit		0
Net actuarial gain (loss), Net of Tax Amount		2
Amortization of prior service (credit) / cost, Before Tax Amount	(4)		(5)	(1)
Amortization of prior service (credit) / cost, Tax (Expense)/Benefit	0		0	0
Amortization of prior service (credit) / cost, Net of Tax Amount	(4)		(5)	(1)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Net of Tax Amount			(99)	(84)
Foreign currency exchange rate changes, Before Tax Amount		(1)
Foreign currency exchange rate changes, Tax (Expense)/Benefit		0
Foreign currency exchange rate changes, Net of Tax Amount		(1)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period			(6)	74
Current-period other comprehensive (loss) income, net of taxes			(99)	(84)
Amounts reclassified from accumulated other comprehensive loss, net of taxes			0	0
Balance at end of period	(105)	(10)	(105)	(10)
Other Pension and Other Post-retirement Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, Net of Tax Amount			0	1
Total pension and other post-retirement benefit plans, Before Tax Amount	3	(1)
Total pension and other post-retirement benefit plans, Tax (Expense)/Benefit	0	0
Total pension and other post-retirement benefit plans, Net of Tax Amount	3	(1)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period			285	34
Current-period other comprehensive (loss) income, net of taxes			0	1
Amounts reclassified from accumulated other comprehensive loss, net of taxes			7	(10)
Balance at end of period	$ 292	$ 25	$ 292	$ 25