v3.26.1
Investments - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
May 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Net Investment Income [Line Items]        
Payments to acquire investments $ 19,444 $ 21,581    
Proceeds from investments 25,090 18,847    
Credit guarantees        
Net Investment Income [Line Items]        
Guarantor obligations, current carrying value 34   $ 500 $ 14
Time Deposits        
Net Investment Income [Line Items]        
Payments to acquire investments 19,090 21,245    
Proceeds from investments $ 24,790 $ 18,540    
United Launch Alliance (ULA) | Boeing Company        
Net Investment Income [Line Items]        
Investment, membership interest ownership percentage 0.50      
United Launch Alliance (ULA) | Lockheed Martin Corporation (Lockheed)        
Net Investment Income [Line Items]        
Investment, membership interest ownership percentage 0.50