Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedules of intangible assets and goodwill

The following is a summary of the activity in the goodwill balance for the years ended December 31, 2016 and 2015 (in millions):

Goodwill balance at January 1, 2015	$	8,535
Acquisitions	3,589
Foreign currency translation	(39		)
Other activity, net	(6		)
Goodwill balance at December 31, 2015	12,079
Acquisitions	307
Foreign currency translation	(135		)
Other activity, net	40
Goodwill balance at December 31, 2016	$	12,291

The following is a summary of the activity in the other intangible assets balance for the years ended December 31, 2016 and 2015 (in millions):

Other intangible assets balance at January 1, 2015	$	7,780
Acquisitions	3,163
Foreign currency translation	(25		)
Amortization of other intangible assets	(160		)
Other intangible assets balance at December 31, 2015	10,758
Acquisitions	180
Foreign currency translation	(155		)
Creditex customer relationship intangible asset impairment	(33		)
Amortization of other intangible assets	(323		)
Other activity, net	(7		)
Other intangible assets balance at December 31, 2016	$	10,420

Other intangible assets and the related accumulated amortization consisted of the following as of December 31, 2016 and 2015 (in millions, except years):

	As of December 31,						Useful Life (Years)
	2016			2015
Customer relationships	$	4,063		$	3,952		3 to 25
Technology	438			391			2.5 to 11
Trading products with finite lives	237			237			20
Russell licensing rights	184			184			10
Data/databases	145			76			4 to 10
Market data provider relationships	11			11			20
Non-compete agreements	38			37			1 to 5
Other	31			53			1 to 5
	5,147			4,941
Less accumulated amortization	(1,220		)	(703		)
Total finite-lived intangible assets, net	3,927			4,238
Exchange registrations, licenses and contracts with indefinite lives	6,083			6,086
Trade names and trademarks with indefinite lives	294			297
In-process research and development	108			129
Other	8			8
Total indefinite-lived intangible assets	6,493			6,520
Total other intangible assets, net	$	10,420		$	10,758

Intangible assets, expected future amortization expense

expect future amortization expense from the finite-lived intangible assets as of December 31, 2016 to be as follows (in millions):

2017	$	270
2018	257
2019	250
2020	212
2021	199
Thereafter	2,739
	$	3,927