Goodwill and Intangible Assets - Textual Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Impairment of goodwill
Date of annual goodwill impairment test	October 1
Amount of goodwill impaired	$ 0	$ 0	$ 0
Trade names (1)
Impairment of goodwill
Amount of goodwill impaired	$ 0