GOODWILL AND OTHER INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for our reportable segments for the three months ended March 31, 2018 were as follows:



	Retail		Group and Specialty		Healthcare Services		Total
	(in millions)
Balance at January 1, 2018	$	1,059	$	261	$	1,961	$	3,281
Acquisitions	360		—		119		479
Balance at March 31, 2018	$	1,419	$	261	$	2,080	$	3,760

The following table presents details of our other intangible assets included in other long-term assets in the accompanying condensed consolidated balance sheets at March 31, 2018 and December 31, 2017.



		March 31, 2018						December 31, 2017
	Weighted Average Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
		($ in millions)
Other intangible assets:
Customer contracts/ relationships	9.6 years	$	646	$	414	$	232	$	566	$	401	$	165
Trade names and technology	6.5 years	83		78		5		104		84		20
Provider contracts	11.9 years	68		32		36		68		30		38
Noncompetes and other	8.1 years	32		29		3		32		29		3
Total other intangible assets	9.4 years	$	829	$	553	$	276	$	770	$	544	$	226

For the three months ended March 31, 2018 and 2017, amortization expense for other intangible assets was approximately $30 million and $18 million, respectively. Amortization expense for the three months ended March 31, 2018 included $12 million associated with the write-off of a trade name value reflecting the re-branding of certain provider assets. The following table presents our estimate of amortization expense for 2018 and each of the five next succeeding years:



	(in millions)
For the years ending December 31,
2018	$	84
2019	63
2020	61
2021	27
2022	24
2023	16

- 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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