v3.25.2
Policyholders' Account Balances (Narrative) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Jun. 30, 2024
Policyholder Account Balance [Line Items]    
Policyholders’ account balances $ 180,931 $ 154,991
FANIP | Medium-term Notes    
Policyholder Account Balance [Line Items]    
Capacity 15,000  
Debt Instrument, Face Amount $ 4,742 3,474
FANIP | Medium-term Notes | Minimum    
Policyholder Account Balance [Line Items]    
Interest rate 0.00%  
Maturities 0 days  
FANIP | Medium-term Notes | Maximum    
Policyholder Account Balance [Line Items]    
Maturities 10 years  
FANIP | Commercial paper    
Policyholder Account Balance [Line Items]    
Capacity $ 6,000  
Debt Instrument, Face Amount $ 2,834 1,994
FANIP | Commercial paper | Minimum    
Policyholder Account Balance [Line Items]    
Interest rate 0.00%  
Maturities 0 days  
FANIP | Commercial paper | Maximum    
Policyholder Account Balance [Line Items]    
Interest rate 5.60%  
Maturities 10 years  
FANIP | Retail Note liability    
Policyholder Account Balance [Line Items]    
Debt Instrument, Face Amount $ 257 0
FHLBNY | Secured Debt    
Policyholder Account Balance [Line Items]    
Maturities 7 years  
Debt Instrument, Face Amount $ 2,628 2,628
FHLBNY | Secured Debt | Minimum    
Policyholder Account Balance [Line Items]    
Interest rate 1.925%  
FHLBNY | Secured Debt | Maximum    
Policyholder Account Balance [Line Items]    
Interest rate 4.51%  
Institutional Retirement Strategies, C&O And International Businesses    
Policyholder Account Balance [Line Items]    
Policyholders’ account balances $ 7,801 $ 5,436