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v3.25.3

U.S. and Europe Retrospective Responsibility Plans - Schedule of Changes in Preferred Stock and Right to Recover Covered Losses (Details) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) shares | Sep. 30, 2022 shares
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Balance as of beginning of period | $ 39,137 |  | $ 38,733 |  | $ 35,581 |  |
VE territory covered losses | (28) |  | (139) |  | (136) |  |
Recovery through conversion rate adjustments | 0 |  | (6) |  | 1 |  |
Balance as of end of period | 37,909 |  | 39,137 |  | 38,733 |  |
As-converted Value of Preferred Stock | 1,389 |  | 2,234 |  |  |  |
Book value of preferred stock | 745 |  | 1,031 |  |  |  |
Book Value of Preferred Stock, Total | 232 |  | 491 |  |  |  |
Less: right to recover for covered losses | (124) |  | (104) |  |  |  |
As-converted value of Preferred Stock, Total recovery for covered losses available | 1,265 |  | 2,130 |  |  |  |
Book value of Preferred of Stock, Total recovery for covered losses available | $ 108 |  | $ 387 |  |  |  |
Preferred stock, shares outstanding (in shares) | shares | 5 |  | 5 |  |  |  |
Share price (in dollars per share) | $ / shares | $ 341.38 |  | $ 274.95 |  |  |  |
Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Balance as of beginning of period | $ 1,031 | [1],[2] | $ 1,698 | [1],[3] | 2,324 | [3] |
Recovery through conversion rate adjustments | (8) |  | (181) |  | (30) |  |
Balance as of end of period | $ 745 | [2] | $ 1,031 | [1],[2] | $ 1,698 | [1],[3] |
Preferred stock, shares outstanding (in shares) | shares | 5 |  | 5 |  | 5 |  | 5
Right to Recover for Covered Losses |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Balance as of beginning of period | $ (104) |  | $ (140) |  | $ (35) |  |
VE territory covered losses | (28) |  | (139) |  | (136) |  |
Recovery through conversion rate adjustments | 8 |  | 175 |  | 31 |  |
Anniversary Release | 0 |  | 0 |  |  |  |
Balance as of end of period | (124) |  | (104) |  | (140) |  |
Series B Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Recovery through conversion rate adjustments | 5 |  | 161 |  | 19 |  |
As-converted Value of Preferred Stock | 566 |  | 684 |  |  |  |
Book value of preferred stock | $ 67 |  | $ 104 |  |  |  |
Preferred stock, shares outstanding (in shares) | shares | 2 |  | 2 |  |  |  |
Preferred stock, conversion rate | 0.6690 |  | 1.0030 |  |  |  |
Series B Preferred Stock | Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Balance as of beginning of period | $ 104 |  | $ 441 |  |  |  |
VE territory covered losses | 0 |  | 0 |  |  |  |
Recovery through conversion rate adjustments | (5) |  | (161) |  |  |  |
Anniversary Release | (32) |  | (176) |  |  |  |
Balance as of end of period | 67 |  | 104 |  | 441 |  |
Series C Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Recovery through conversion rate adjustments | 3 |  | 20 |  | 11 |  |
As-converted Value of Preferred Stock | 823 |  | 1,550 |  |  |  |
Book value of preferred stock | $ 165 |  | $ 387 |  |  |  |
Preferred stock, shares outstanding (in shares) | shares | 3 |  | 3 |  |  |  |
Preferred stock, conversion rate | 0.7640 |  | 1.7860 |  |  |  |
Series C Preferred Stock | Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Balance as of beginning of period | $ 387 |  | $ 801 |  |  |  |
VE territory covered losses | 0 |  | 0 |  |  |  |
Recovery through conversion rate adjustments | (3) |  | (20) |  |  |  |
Anniversary Release | (219) |  | (394) |  |  |  |
Balance as of end of period | $ 165 |  | $ 387 |  | $ 801 |  |
[1] | As of September 30, 2024 and 2023, the book value of series A preferred stock was $540 million and $456 million, respectively. See Note 5—U.S. and Europe Retrospective Responsibility Plans for the book value of series B and C preferred stock.
[2] | As of September 30, 2025 and 2024, the book value of series A convertible participating preferred stock (series A preferred stock) was $513 million and $540 million, respectively. See Note 5—U.S. and Europe Retrospective Responsibility Plans for the book value of series B convertible participating preferred stock (series B preferred stock) and series C convertible participating preferred stock (series C preferred stock).
[3] | As of September 30, 2023 and 2022, the book value of series A preferred stock was $456 million and $1.0 billion, respectively. See Note 5—U.S. and Europe Retrospective Responsibility Plans for the book value of series B and C preferred stock.

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Balance Type: | na
Period Type: | instant

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- Definition Recovery Through Conversion Rate Adjustments + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition VE Covered Loss, Protection From The Plan Relating To Liabilities Where The Claim Relates To Inter-Regional Multilateral Interchange Fee Rates + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition VE Territory Covered Losses Incurred + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementEquityComponentsAxis=v_RighttoRecoverforCoveredLossesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Data Type: | na
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