GOODWILL AND INTANGIBLE ASSETS

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in goodwill for the six months ended June 30, 2015 and for the year ended December 31, 2014 are as follows:



	June 30, 2015			December 31, 2014
Balance, beginning of period	$	6,032		$	5,649
Goodwill acquired during the period	2			383
Reclassification to assets held for sale	(47		)	—
Balance, end of period	$	5,987		$	6,032

Principally all of the Company’s goodwill as of June 30, 2015 and December 31, 2014 is associated with its DIS business.

For the six months ended June 30, 2015, reclassification to assets held for sale was principally associated with Clinical Trials. For further details regarding assets held for sale, see Note 6.

For the year ended December 31, 2014, goodwill acquired was principally associated with the Solstas, Summit Health, and Steward acquisitions. Acquisitions during 2014 also resulted in $270 million of intangible assets, principally comprised of customer-related intangibles and trade names. For further details regarding the Company's 2014 acquisitions, see Note 5 to the consolidated financial statements in the Company's 2014 Annual Report on Form 10-K.

Intangible assets at June 30, 2015 and December 31, 2014 consisted of the following:



	Weighted Average Amortization Period (in years)	June 30, 2015							December 31, 2014
		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Amortizing intangible assets:
Customer-related intangibles	19	$	923	$	(278	)	$	645	$	929	$	(259	)	$	670
Non-compete agreements	5	6		(3		)	3		43		(37		)	6
Technology	14	117		(43		)	74		118		(38		)	80
Other	8	119		(64		)	55		152		(82		)	70
Total	17	1,165		(388		)	777		1,242		(416		)	826

Intangible assets not subject to amortization:
Trade names		244		—			244		244		—			244
Other		1		—			1		1		—			1
Total intangible assets		$	1,410	$	(388	)	$	1,022	$	1,487	$	(416	)	$	1,071

As of June 30, 2015, a fully amortized contractual non-compete agreement (cost of $37 million and accumulated amortization of $37 million) that expired was written-off.

Amortization expense related to intangible assets was $20 million and $25 million for the three months ended June 30, 2015 and 2014, respectively. For the six months ended June 30, 2015 and 2014, amortization expense related to intangible assets was $41 million and $47 million, respectively.

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of June 30, 2015 is as follows:



Year Ending December 31,
Remainder of 2015	$	39
2016	71
2017	67
2018	63
2019	62
2020	62
Thereafter	413
Total	$	777

- 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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