| Submission | Aug. 15, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0000025598 |
| Registrant Name | ONEMAIN FINANCE CORP |
| Registration File Number | 333-274956-01 |
| Form Type | S-3 |
| Submission Type | 424B5 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Aug. 15, 2024 USD ($) shares |
| Offering: 1 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | 7.125% Senior Notes due 2031 |
| Amount Registered | shares | 750,000,000 |
| Maximum Aggregate Offering Price | $ 750,000,000 |
| Fee Rate | 0.01476% |
| Amount of Registration Fee | $ 110,700 |
| Offering Note | (1) Guarantee of OneMain Finance Corporation's 7.125% Senior Notes due 2031 by its direct parent company OneMain Holdings, Inc. Pursuant to Rule 457(n) under the Securities Act of 1933, as amended (the ''Securities Act''), no separate fee is payable with respect to the guarantee. |
| Offering: 2 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Guarantee of 7.125% Senior Notes due 2031 |
| Fee Rate | 0.01476% |
| Offering Note | (1) Guarantee of OneMain Finance Corporation's 7.125% Senior Notes due 2031 by its direct parent company OneMain Holdings, Inc. Pursuant to Rule 457(n) under the Securities Act of 1933, as amended (the ''Securities Act''), no separate fee is payable with respect to the guarantee. |
| Fees Summary | Aug. 15, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 750,000,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 110,700 |
| Total Offset Amount | 0 |
| Net Fee | $ 110,700 |
| Final Prospectus | false |
