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v3.25.2

Corporate Investments and Funds Held For Clients - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | $ 33,777,700,000 | $ 31,207,500,000
Client fund obligation repayment period | 1 year |
Client funds obligations | $ 31,343,300,000 | 39,503,900,000
Funds held for clients held-in grantor trust | $ 27,355,200,000 |
Client funds investments with original maturities | 90 days |
Asset Backed Auto Loan Receivables |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | $ 824,800,000 |
Fixed Rate Credit Card |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 549,300,000 |
Asset-Backed Securities, Device Payment Plan Agreement Receivables |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 254,800,000 |
Federal Farm Credit Banks |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 922,100,000 |
Federal Home Loan Banks |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 267,200,000 |
Municipal Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 536,000,000.0 |
Debt Security, Corporate, Non-US |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 550,800,000 |
Commercial Mortgage-Backed Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 438,600,000 | $ 500,800,000
Supranational Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 230,300,000 |
Fair Value, Inputs, Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | 0 |
Fair Value, Inputs, Level 3 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale | $ 0 |

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