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DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Change in balance of the recovery credit unsatisfied performance obligation
The change in the balance of the Recovery Credit unsatisfied performance obligation was as follows:
(in millions)20212020
Balance at beginning of period$92 $— 
(+) Accruals17 128 
(-) Distributions to clients(86)(36)
Balance at end of period$23 $92 
Capitalized contract cost The below table summarizes the amounts capitalized and amortized during the years ended December 31, 2021, 2020 and 2019:
Year Ended December 31,
(in millions)202120202019
Deferred commission expense:
Capitalized$28 $29 $45 
Amortized25 19 10