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Description of Business and Significant Accounting Policies - (Tables)
6 Months Ended
Jun. 30, 2022
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, included in client deposits and other client liabilities on the balance sheet was as follows:
June 30, 2022
(in millions)Three Months EndedSix Months Ended
Balance at beginning of period$10 $23 
(+) Accruals — 
(-) Distributions to clients(9)(22)
Balance at end of period$1 $