Goodwill and Intangible Assets, Net

12 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill were as follows:



(In millions)	Distribution Solutions			Technology Solutions			Total
Balance, March 31, 2013	$	4,413		$	1,992		$	6,405
Goodwill acquired	3,649			—			3,649
Amount reclassified to assets held-for-sale	(1		)	(127		)	(128		)
Acquisition accounting, transfers and other adjustments	13			(12		)	1
Foreign currency translation adjustments, net	4			(4		)	—
Balance, March 31, 2014	$	8,078		$	1,849		$	9,927
Goodwill acquired	93			—			93
Amount reclassified to assets held-for-sale	(14		)	(1		)	(15		)
Acquisition accounting, transfers and other adjustments	625			—			625
Foreign currency translation adjustments, net	(788		)	(25		)	(813		)
Balance, March 31, 2015	$	7,994		$	1,823		$	9,817

As of March 31, 2015 and 2014, the accumulated goodwill impairment losses were $36 million in our Technology Solutions segment.

Information regarding intangible assets is as follows:



	March 31, 2015								March 31, 2014
(Dollars in millions)	Weighted Average Remaining Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer lists	8	$	2,683	$	(1,116	)	$	1,567	$	3,235	$	(863	)	$	2,372
Service agreements	15	957		(215		)	742		995		(173		)	822
Pharmacy licenses	26	874		(65		)	809		1,219		(11		)	1,208
Trademarks and trade names	15	315		(82		)	233		367		(59		)	308
Technology	3	213		(184		)	29		219		(173		)	46
Other	4	162		(101		)	61		166		(51		)	115
Total		$	5,204	$	(1,763	)	$	3,441	$	6,201	$	(1,330	)	$	4,871

Amortization expense of intangible assets was $494 million, $319 million and $215 million for 2015, 2014 and 2013. Estimated annual amortization expense of intangible assets is as follows: $419 million, $389 million, $360 million, $332 million and $303 million for 2016 through 2020, and $1,638 million thereafter. All intangible assets were subject to amortization as of March 31, 2015 and 2014.

- 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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