Goodwill and Other Intangible Assets, Net (Tables)

3 Months Ended

Jul. 26, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the three months ended July 26, 2013 are as follows:

(in millions)	Cardiac and Vascular Group		Restorative Therapies Group		Diabetes Group		Total
Balance as of April 26, 2013	$	2,624	$	6,361	$	1,344	$	10,329
Currency adjustment, net	—		4		—		4
Balance as of July 26, 2013	$	2,624	$	6,365	$	1,344	$	10,333

Schedule of Finite-Lived Intangible Assets by Major Class

Balances of intangible assets, net, excluding goodwill, as of July 26, 2013 and April 26, 2013 are as follows:

(in millions)	Purchased Technology and Patents			Trademarks and Tradenames			Acquired IPR&D		Other			Total
Other intangible assets as of July 26, 2013:
Original cost	$	3,900		$	408		$	365	$	112		$	4,785
Accumulated amortization	(1,764		)	(323		)	—		(78		)	(2,165		)
Carrying value	$	2,136		$	85		$	365	$	34		$	2,620
Other intangible assets as of April 26, 2013:
Original cost	$	3,896		$	408		$	363	$	104		$	4,771
Accumulated amortization	(1,702		)	(320		)	—		(76		)	(2,098		)
Carrying value	$	2,194		$	88		$	363	$	28		$	2,673

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated aggregate amortization expense based on the current carrying value of amortizable intangible assets, excluding any possible future amortization associated with acquired IPR&D, which has not met technological feasibility, is as follows:

(in millions) Fiscal Year	Estimated Amortization Expense
Remaining 2014	$	252
2015	321
2016	309
2017	287
2018	271
2019	226
Thereafter	589
Total estimated amortization expense	$	2,255