Goodwill and Intangible Assets, Net

12 Months Ended

Mar. 31, 2016

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, 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
Goodwill acquired	21			—			21
Acquisition accounting, transfers and other adjustments	8			—			8
Goodwill disposed	(59		)	(27		)	(86		)
Foreign currency translation adjustments, net	23			3			26
Balance, March 31, 2016	$	7,987		$	1,799		$	9,786

As of March 31, 2016 and 2015, the accumulated goodwill impairment losses were $36 million in our Technology Solutions segment.

Information regarding intangible assets is as follows:



	March 31, 2016								March 31, 2015
(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	7	$	2,652	$	(1,324	)	$	1,328	$	2,683	$	(1,116	)	$	1,567
Service agreements	14	959		(269		)	690		957		(215		)	742
Pharmacy licenses	25	857		(121		)	736		874		(65		)	809
Trademarks and trade names	14	314		(96		)	218		315		(82		)	233
Technology	2	195		(182		)	13		213		(184		)	29
Other	3	163		(127		)	36		162		(101		)	61
Total		$	5,140	$	(2,119	)	$	3,021	$	5,204	$	(1,763	)	$	3,441

Amortization expense of intangible assets was $431 million, $494 million and $319 million for 2016, 2015 and 2014. Estimated annual amortization expense of intangible assets is as follows: $355 million, $337 million, $308 million, $281 million and $262 million for 2017 through 2021, and $1,478 million thereafter. All intangible assets were subject to amortization as of March 31, 2016 and 2015.

- 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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