| Submission | Jan. 10, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0000092122 |
| Registrant Name | SOUTHERN CO |
| Registration File Number | 333-277138 |
| Form Type | S-3 |
| Submission Type | 424B2 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Jan. 10, 2025 USD ($) |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | Series 2025A 6.50% Junior Subordinated Notes due March 15, 2085 |
| Maximum Aggregate Offering Price | $ 575,000,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 88,032.50 |
| Offering Note | (1) This "Calculation of Filing Fee Tables" shall be deemed to update the "Calculation of Filing Fee Tables" in The Southern Company's Registration Statement on Form S-3 (File No. 333-277138) in accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended. (2) Includes $75,000,000 principal amount of Series 2025A 6.50% Junior Subordinated Notes due March 15, 2085 which the underwriters have the option to purchase to cover over-allotments, if any. |
| Fees Summary | Jan. 10, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 575,000,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 88,032.50 |
| Total Offset Amount | $ 0 |
| Narrative Disclosure | |
| Net Fee | $ 88,032.50 |
| Narrative - Max Aggregate Offering Price | $ 575,000,000 |
| Final Prospectus | true |
