Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2019

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

Valuation and Qualifying Accounts

Schedule II

Valuation and Qualifying Accounts

(In millions)

			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts(1)		Deductions		Balance at End of Period
Valuation account for accounts receivable:
Year ended December 31, 2019	$	3	$	—	$	—	$	1	$	2
Year ended December 31, 2018	3		1		—		1		3
Year ended December 31, 2017	3		1		—		1		3
Valuation account for deferred tax assets:
Year ended December 31, 2019	$	56	$	6	$	375	$	16	$	421
Year ended December 31, 2018	134		—		—		78		56
Year ended December 31, 2017	47		91		—		4		134

(1) This amount relates to our 2019 Luxembourg reorganization activities, which resulted in the realization of deferred tax liabilities related to depreciation and amortization and a corresponding increase in valuation allowances, with no net impact to our provision for income taxes. See Note 16, Income Taxes in the Notes to Consolidated Financial Statements for further information.

See accompanying report of independent registered public accounting firm.