v3.25.1
Document and Entity Information
Jun. 11, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 11, 2025
Entity File Number 001-36129
Entity Registrant Name ONEMAIN HOLDINGS, INC.
Entity Central Index Key 0001584207
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 27-3379612
Entity Address, Address Line One 601 N.W. Second Street
Entity Address, City or Town Evansville
Entity Address, State or Province IN
Entity Address, Postal Zip Code 47708
City Area Code 812
Local Phone Number 424-8031
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol OMF
Security Exchange Name NYSE
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false