Goodwill

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2016 and 2015 were as follows:

	2016			2015
	(in millions)
Beginning balance	$	1,891		$	1,522
Additions	8			458
Foreign currency translation	(143		)	(89		)
Ending balance	$	1,756		$	1,891

The Company had no accumulated impairment losses for goodwill at December 31, 2016 or 2015. Based on annual impairment testing, the Company’s goodwill is not impaired.