Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Rollforward

	March 31,
(In millions)	2020			2019
Beginning balance, gross	$	95		$	95
Less: accumulated impairments	—			—
Beginning balance, net	95			95
Impairment	(95		)	—
Ending balance, net	$	—		$	95