Goodwill and Other Intangible Assets

12 Months Ended

Apr. 25, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets, Net

The changes in the carrying amount of goodwill for fiscal years 2014 and 2013 are as follows:



(in millions)	Cardiac and Vascular Group			Restorative Therapies Group			Diabetes Group		Total
Balance as of April 27, 2012	$	2,636		$	5,954		$	1,344	$	9,934
Goodwill as a result of acquisitions	—			414			—		414
Other adjustments, net	—			3			—		3
Currency adjustment, net	(12		)	(10		)	—		(22		)
Balance as of April 26, 2013	$	2,624		$	6,361		$	1,344	$	10,329
Goodwill as a result of acquisitions	279			—			—		279
Other adjustments, net	(8		)	7			—		(1		)
Currency adjustment, net	(14		)	—			—		(14		)
Balance as of April 25, 2014	$	2,881		$	6,368		$	1,344	$	10,593

Balances of other intangible assets, net, for fiscal years 2014 and 2013 are as follows:



(in millions)	Purchased Technology and Patents			Trademarks and Tradenames			Acquired IPR&D		Other			Total
Other intangible assets as of April 25, 2014
Original cost	$	3,857		$	408		$	119	$	200		$	4,584
Accumulated amortization	(1,878		)	(332		)	—		(88		)	(2,298		)
Carrying value	$	1,979		$	76		$	119	$	112		$	2,286
Weighted average original life (in years)	12.7			11.8			N/A		8.7
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
Weighted average original life (in years)	12.5			11.8			N/A		8.8

Amortization expense for fiscal years 2014, 2013, and 2012 was $349 million, $331 million, and $335 million, respectively.

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	Amortization Expense
2015	$	338
2016	326
2017	304
2018	289
2019	244
Thereafter	666
	$	2,167

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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