| Submission | Jan. 29, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0000927628 |
| Registrant Name | CAPITAL ONE FINANCIAL CORPORATION |
| Registration File Number | 333-277813 |
| Form Type | S-3 |
| Submission Type | 424B2 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Jan. 29, 2025 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | 6.183% Fixed-to-Floating Rate Subordinated Notes due 2036 |
| Amount Registered | shares | 1,750,000,000 |
| Proposed Maximum Offering Price per Unit | 1 |
| Maximum Aggregate Offering Price | $ 1,750,000,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 267,925 |
| Offering Note | (1) The prospectus supplement to which this Exhibit is attached is a final prospectus for the related offering. The maximum aggregate amount of that offering is $1,750,000,000. |
| Fees Summary | Jan. 29, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,750,000,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 267,925 |
| Total Offset Amount | 0 |
| Net Fee | $ 267,925 |
