| Submission | Nov. 15, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001096343 |
| Registrant Name | MARKEL GROUP INC. |
| Form Type | S-8 |
| Submission Type | S-8 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Nov. 15, 2024 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common Shares, with no par value |
| Amount Registered | shares | 10,000 |
| Proposed Maximum Offering Price per Unit | 1,656.655 |
| Maximum Aggregate Offering Price | $ 16,566,550 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 2,536.34 |
| Offering Note | Note 1.a: Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the Securities Act), this registration statement on Form S-8 (the Registration Statement) also covers such indeterminate amount of additional securities that may be offered or sold pursuant to the terms of the Costa Farms, LLC 401(k) Plan that provide for a change in the amount or type of securities being offered or sold to prevent dilution as a result of stock splits, stock dividends or similar transactions. In addition, pursuant to Rule 416(c) under the Securities Act, this Registration Statement also covers an indeterminate amount of interests to be offered or sold pursuant to the employee benefit plan described above. Note 1.b: Proposed Maximum Offering Price per Unit is estimated pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, solely for the purpose of calculating the registration fee, based on the average of the high and low prices per share of the Registrant's Common Shares on the New York Stock Exchange as of a specified date (November 8, 2024) within five business days of the date of filing of this Registration Statement. |
| Fees Summary | Nov. 15, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 16,566,550 |
| Total Fee Amount | 2,536.34 |
| Total Offset Amount | 0 |
| Net Fee | $ 2,536.34 |
