Financial Instruments (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 28, 2013		Sep. 29, 2012		Sep. 28, 2013		Sep. 29, 2012
Total gain (loss) recognized in OCI on derivative instruments
Gain Loss Recognized In Other Comprehensive Income	$ (7)		$ (6)		$ (9)		$ 14
Designated Cash Flow Hedge [Member]
Total gain (loss) recognized in OCI on derivative instruments
Gain Loss Recognized In Other Comprehensive Income	(8)		(2)		(9)		4
Reclassification of hedge gain (loss) from accumulated OCI into income
Gains (losses) for total designated hedges reclassified from AOCI to earnings	0		8		5		13
Net Investment Hedging [Member]
Total gain (loss) recognized in OCI on derivative instruments
Gain Loss Recognized In Other Comprehensive Income	1	[1]	(4)	[1]	0	[1]	10	[1]
FC- Inventory purchases [Member] | Designated Cash Flow Hedge [Member]
Total gain (loss) recognized in OCI on derivative instruments
Gain Loss Recognized In Other Comprehensive Income	(7)		(1)		(8)		8
Reclassification of hedge gain (loss) from accumulated OCI into income
Gains (losses) for total designated hedges reclassified from AOCI to earnings	1		8		6		11
FC-Other [Member] | Designated Cash Flow Hedge [Member]
Total gain (loss) recognized in OCI on derivative instruments
Gain Loss Recognized In Other Comprehensive Income	(1)		(1)		(1)		(4)
Reclassification of hedge gain (loss) from accumulated OCI into income
Gains (losses) for total designated hedges reclassified from AOCI to earnings	$ (1)		$ 0		$ (1)		$ 2

[1] Amounts would be recognized as a gain (loss) on the sale or liquidation of the hedged net investment.