Goodwill

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

Goodwill was $1,607 million at both December 31, 2018 and 2017, respectively. Goodwill for these periods reflects accumulated impairment losses of $670 million, which were recognized in prior periods.

During the third quarter of 2018, we completed our annual impairment test of goodwill and determined that the fair value of all of our reporting units exceeded their respective carrying amounts.