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Business Combinations - Estimated Fair Values of Aggregate Assets and Liabilities Acquired (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Fair Value Of Assets And Liabilities Statement [Line Items] |  |
Cash paid | $ 145 |
Other payable | 14 |
Recorded earn-out payable | 28 | $ 51
Total consideration | 187 |
Maximum potential earn-out payable | 54 |
Allocation of purchase price: |  |
Cash and equivalents | 6 |
Fiduciary cash | 21 |
Fiduciary receivables | 1 |
Other current assets | 7 |
Goodwill | 127 |
Other assets | 2 |
Total assets acquired | 224 |
Fiduciary liabilities | (22) |
Other current liabilities | (2) |
Deferred income tax, net | 7 |
Total liabilities assumed | (31) |
Acquired non-controlling interest | (6) |
Net assets acquired | 187 |
Purchased Customer Accounts and Other |  |
Allocation of purchase price: |  |
Intangible assets | $ 60 |

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