SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(In millions)

Column A	Column B		Column C					Column D			Column E
Description	Balance at Beginning of Period		Provision/reversals Charged to Costs & Expenses			Charged to Other Accounts		Deductions			Balance at End of Period
Allowance for doubtful accounts
Year ended December 31, 2019	$	14	$	4		$	—	$	—		$	18
Year ended December 31, 2018	$	12	$	2		$	—	$	—		$	14
Year ended December 31, 2017	$	19	$	(6	)	$	—	$	(1	)	$	12
Deferred tax valuation allowance
Year ended December 31, 2019	$	39	$	6		$	—	$	—		$	45
Year ended December 31, 2018	$	32	$	7		$	—	$	—		$	39
Year ended December 31, 2017	$	26	$	6		$	—	$	—		$	32