Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the net carrying amount of goodwill by reportable segment for the years ended December 31, 2016 and 2015, respectively, are as follows (in millions):



	Risk Solutions			HR Solutions			Total
Balance as of January 1, 2015	$	5,911		$	2,949		$	8,860
Goodwill related to current year acquisitions	2			16			18
Goodwill related to disposals	(1		)	(76		)	(77		)
Goodwill related to prior year acquisitions	—			—			—
Foreign currency translation	(319		)	(34		)	(353		)
Balance as of December 31, 2015	$	5,593		$	2,855		$	8,448
Goodwill related to current year acquisitions	632			10			642
Goodwill related to disposals	(8		)	(26		)	(34		)
Goodwill related to prior year acquisitions	4			—			4
Foreign currency translation	(268		)	(45		)	(313		)
Balance as of December 31, 2016	$	5,953		$	2,794		$	8,747

Other intangible assets by asset class are as follows (in millions):



	As of December 31
	2016						2015
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets with indefinite lives:
Tradenames	$	998	$	—	$	998	$	1,019	$	—	$	1,019
Intangible assets with finite lives:
Customer related and contract based	3,108		1,971		1,137		2,886		1,809		1,077
Technology and other	574		486		88		541		457		84
Total	$	4,680	$	2,457	$	2,223	$	4,446	$	2,266	$	2,180

Amortization expense from finite-lived intangible assets was $277 million, $314 million and $352 million during 2016, 2015 and 2014, respectively.

The estimated future amortization for finite-lived intangible assets as of December 31, 2016 is as follows (in millions):



	Risk Solutions		HR Solutions		Total
2017	$	123	$	136	$	259
2018	118		91		209
2019	107		73		180
2020	97		61		158
2021	66		53		119
Thereafter	239		61		300
Total	$	750	$	475	$	1,225

- 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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