| Document and Entity Information | Feb. 17, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 17, 2023 |
| Entity File Number | 001-41504 |
| Entity Registrant Name | Corebridge Financial, Inc. |
| Entity Central Index Key | 0001889539 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 95-4715639 |
| Entity Address, Address Line One | 2919 Allen Parkway |
| Entity Address, Address Line Two | Woodson Tower |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77019 |
| City Area Code | 1-877 |
| Local Phone Number | 375-2422 |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | CRBG |
| 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 |
