Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the net carrying amount of goodwill by operating segment

The changes in the net carrying amount of goodwill for the six months ended June 30, 2017 are as follows (in millions):

Balance as of January 1, 2017	$	7,410
Goodwill related to current year acquisitions	119
Goodwill related to disposals	(1		)
Goodwill related to prior year acquisitions	24
Foreign currency translation	193
Balance as of June 30, 2017	$	7,745

Schedule of other intangible assets by asset class

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

	June 30, 2017						December 31, 2016
	Gross Carrying Amount		Accumulated Amortization and Impairment		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization and Impairment		Net Carrying Amount
Customer related and contract based	2,050		1,307		743		2,023		1,198		825
Tradenames(1)	$	1,037	$	423	$	614	$	1,027	$	7	$	1,020
Technology and other(1)	366		321		45		347		302		45
Total	$	3,453	$	2,051	$	1,402	$	3,397	$	1,507	$	1,890

Schedule of estimated future amortization expense on intangible assets

The estimated future amortization for finite lived intangible assets as of June 30, 2017 is as follows (in millions):

	As of June 30, 2017
Remainder of 2017	$	206
2018	370
2019	351
2020	192
2021	83
Thereafter	200
Total	$	1,402