Goodwill (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Rollforward

	September 30,
(In millions)	2020		2019
Beginning balance as of January 1, gross	$	95	$	97
Less: accumulated impairments	—		—
Beginning balance, net	95		97
Dispositions	—		(2)
Impairment	(95)		—
Ending balance as of September 30, net	$	—	$	95