Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets by class

Intangible assets consisted of the following:

(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
March 31, 2017
Customer related intangible assets	$	2,213	$	1,074	$	1,139
Acquired software and technology	525		439		86
Trade names	117		59		58
Capitalized software development costs	675		246		429
Purchased software	225		99		126
Total	$	3,755	$	1,917	$	1,838

(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
December 31, 2016
Customer related intangible assets	$	2,200	$	1,043	$	1,157
Acquired software and technology	507		432		75
Trade names	117		57		60
Capitalized software development costs	641		233		408
Purchased software	230		97		133
Total	$	3,695	$	1,862	$	1,833