Schedule II - Valuation and Qualifying Accounts and Reserves

12 Months Ended

Dec. 31, 2021

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

Schedule II - Valuation and Qualifying Accounts and Reserves

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

YEARS ENDED DECEMBER 31, 2021, 2020 AND 2019

(Millions of Dollars)

			Additions				Deductions
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts		Charged to Costs and Expenses		Charged to Other Accounts		Balance  at End of Period
Year ended December 31, 2021:
Reserves deducted in the balance sheet from the assets to which they apply:
Allowance for doubtful accounts	$	34	$	16	$	4	$	—	$	10	$	44
Investments and long-term receivables reserve	5		—		—		—		1		4
Deferred tax valuation allowance:
Domestic	793		86		25		745		—		159
Foreign	3		—		—		—		—		3
Year ended December 31, 2020:
Reserves deducted in the balance sheet from the assets to which they apply:
Allowance for doubtful accounts	$	28	$	6	$	2	$	—	$	2	$	34
Investments and long-term receivables reserve	5		—		3		—		3		5
Deferred tax valuation allowance:
Domestic	560		240		2		—		9		793
Foreign	3		—		—		—		—		3
Year ended December 31, 2019:
Reserves deducted in the balance sheet from the assets to which they apply:
Allowance for doubtful accounts	$	29	$	—	$	—	$	—	$	1	$	28
Investments and long-term receivables reserve	5		—		—		—		—		5
Deferred tax valuation allowance:
Domestic	211		349		—		—		—		560
Foreign	3		—		—		—		—		3