VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2021

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

VALUATION AND QUALIFYING ACCOUNTS

VALUATION AND QUALIFYING ACCOUNTS

Accounts receivable allowances represent estimates for uncollectible accounts. The valuation allowance on deferred tax assets relates to foreign net operating tax losses for which realization is uncertain. Below is a summary of activity:

Year Ended December 31,	Balance at Beginning of the Year		Adoption of New Expected Credit Losses Accounting Standard		Charged to costs and expenses		Deductions (1)		Balance at End of the Year
2021
Allowances for credit losses	$	(34)	$	—	$	(13)	$	15	$	(32)
Deferred tax assets—valuation allowance	$	(15)	$	—	$	(4)	$	1	$	(18)
2020
Allowances for credit losses	$	(20)	$	(2)	$	(26)	$	14	$	(34)
Deferred tax assets—valuation allowance	$	(9)	$	—	$	(6)	$	—	$	(15)
2019
Allowances for credit losses	$	(20)	$	—	$	(10)	$	10	$	(20)
Deferred tax assets—valuation allowance	$	(5)	$	—	$	(4)	$	—	$	(9)

(1)Reflects write-off of uncollectible accounts receivable or expiration of foreign net operating tax losses.