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Description of Business and Significant Accounting Policies - (Tables)
3 Months Ended
Mar. 31, 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:
March 31, 2022
(in millions)Three Months Ended
Balance at beginning of period$23 
(-) Distributions to clients(13)
Balance at end of period$10