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Legal Matters (Tables) | 6 Months Ended
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Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Accrued Litigation for Both Covered and Non-Covered Litigation | The following table summarizes the activity related to accrued litigation:
| Six Months Ended March 31,
| 2026 |  | 2025
| (in millions)
Balance as of beginning of period | $ | 3,033 |  |  | $ | 1,727 |
Provision for uncovered legal matters | 143 |  |  | 25 |
Provision for covered legal matters | 915 |  |  | 1,034 |
Payments for legal matters | (3,110) |  |  | (710) |
Balance as of end of period | $ | 981 |  |  | $ | 2,076 |
The following table summarizes the accrual activity related to U.S. covered litigation:
| Six Months Ended March 31,
| 2026 |  | 2025
| (in millions)
Balance as of beginning of period | $ | 2,698 |  |  | $ | 1,537 |
Provision for interchange multidistrict litigation | 894 |  |  | 1,019 |
Payments for U.S. covered litigation | (2,977) |  |  | (580) |
Balance as of end of period | $ | 615 |  |  | $ | 1,976 |
The following table summarizes the accrual activity related to VE territory covered litigation:
| Six Months Ended March 31,
| 2026 |  | 2025
| (in millions)
Balance as of beginning of period | $ | 9 |  |  | $ | 72 |
Provision for VE territory covered litigation | 21 |  |  | 15 |
Payments for VE territory covered litigation | (9) |  |  | (24) |
Balance as of end of period | $ | 21 |  |  | $ | 63 |

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