Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jan. 27, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

	Cardiac and		Restorative
(in millions)	Vascular Group		Therapies Group		Total
Balance as of April 29, 2011	$	2,662	$	6,858	$	9,520
Goodwill as a result of acquisitions		-		399		399
Purchase accounting adjustments, net		6		32		38
Currency adjustment, net		(40)		(2)		(42)
Balance as of January 27, 2012	$	2,628	$	7,287	$	9,915

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 January 27, 2012:
Original cost	$	3,609	$	373	$	369	$	147	$	4,498
Accumulated amortization		(1,378)		(306)		-		(101)		(1,785)
Carrying value	$	2,231	$	67	$	369	$	46	$	2,713
Amortizable intangible assets as of April 29, 2011:
Original cost	$	3,509	$	373	$	338	$	149	$	4,369
Accumulated amortization		(1,261)		(290)		-		(93)		(1,644)
Carrying value	$	2,248	$	83	$	338	$	56	$	2,725

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

(in millions)	Estimated
Fiscal Year	Amortization Expense
Remaining 2012	$	83
2013		319
2014		310
2015		293
2016		281
Thereafter		1,058
Total estimated amortization expense	$	2,344