v3.25.4
Cover
Feb. 11, 2026
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 11, 2026
Entity File Number 001-40274
Entity Registrant Name Jackson Financial Inc.
Entity Central Index Key 0001822993
Entity Tax Identification Number 98-0486152
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1 Corporate Way
Entity Address, City or Town Lansing
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48951
City Area Code 517
Local Phone Number 381-5500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, Par Value $0.01 Per Share
Trading Symbol JXN
Security Exchange Name NYSE
Depositary Shareseachrepresentinga 11000th Interestinashareof Fixed Rate Reset Noncumulative Perpetual Preferred Stock Series A [Member]  
Document Information [Line Items]  
Title of 12(b) Security Depositary Shares, each representing a 1/1,000th interest in a share of Fixed-Rate Reset Noncumulative Perpetual Preferred Stock, Series A
Trading Symbol JXN PRA
Security Exchange Name NYSE