SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2019

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS [Abstract]

Schedule II Valuation and Qualifying Accounts Receivable

Schedule II — Valuation and Qualifying Accounts

Receivables Valuation and Qualifying Accounts

			Additions
Description	Balance Beginning of Year		Charged to Costs and Expense		Charged to Other Accounts			Deductions			Balance at End of Period
	(In millions)
Reserves for doubtful accounts:
Year ended December 31, 2019	$	8	$	2	$	—		$	1		$	9
Year ended December 31, 2018	$	14	$	2	$	—		$	8		$	8
Year ended December 31, 2017	$	9	$	9	$	—		$	4		$	14
Deferred tax valuation allowance:
Year ended December 31, 2019	$	73	$	4	$	1		$	(13	)	$	65
Year ended December 31, 2018	$	77	$	6	$	(4	)	$	(6	)	$	73
Year ended December 31, 2017	$	71	$	16	$	(2	)	$	(8	)	$	77