Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

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 six months endedJune 30, 2018 (in millions):

Goodwill balance at December 31, 2017	$	12,216
Acquisitions	267
Foreign currency translation	(17		)
Other activity, net	18
Goodwill balance at June 30, 2018	$	12,484

The following is a summary of the activity in the other intangible assets balance for the six months endedJune 30, 2018 (in millions):

Other intangible assets balance at December 31, 2017	$	10,269
Acquisitions	136
Foreign currency translation	(22		)
Amortization of other intangible assets	(142		)
Other activity, net	(18		)
Other intangible assets balance at June 30, 2018	$	10,223