Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

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
June 30, 2019
Customer related intangible assets	$	2,642	$	1,365	$	1,277
Acquired software and technology	591		505		86
Trade names	120		74		46
Capitalized software development costs	893		353		540
Purchased software	273		120		153
Total	$	4,519	$	2,417	$	2,102

(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
December 31, 2018
Customer related intangible assets	$	2,642	$	1,294	$	1,348
Acquired software and technology	591		490		101
Trade names	120		71		49
Capitalized software development costs	810		314		496
Purchased software	261		112		149
Total	$	4,424	$	2,281	$	2,143