Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Oct. 26, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

	Cardiac and		Restorative
(in millions)	Vascular Group		Therapies Group		Total
Balance as of April 27, 2012	$	2,636	$	7,298	$	9,934
Goodwill as a result of acquisitions		-		12		12
Purchase accounting adjustments, net		-		1		1
Currency adjustment, net		(1)		(2)		(3)
Balance as of October 26, 2012	$	2,635	$	7,309	$	9,944

Schedule of Finite-Lived Intangible Assets by Major Class

	Purchased		Trademarks
	Technology and		and		Acquired
(in millions)	Patents		Tradenames		IPR&D		Other		Total
Amortizable intangible assets as of October 26, 2012:
Original cost	$	3,591	$	373	$	368	$	147	$	4,479
Accumulated amortization		(1,555)		(314)		-		(110)		(1,979)
Carrying value	$	2,036	$	59	$	368	$	37	$	2,500
Amortizable intangible assets as of April 27, 2012:
Original cost	$	3,604	$	373	$	370	$	148	$	4,495
Accumulated amortization		(1,440)		(307)		-		(101)		(1,848)
Carrying value	$	2,164	$	66	$	370	$	47	$	2,647

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

(in millions)	Estimated
Fiscal Year	Amortization Expense
Remaining 2013	$	163
2014		306
2015		289
2016		276
2017		255
2018		239
Thereafter		604
Total estimated amortization expense	$	2,132