v3.26.1
Investments - Schedule of Fair Values by Classification (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Total interest-bearing securities $ 13,415 $ 8,525
Available-for-sale investments    
Debt Securities, Available-for-sale [Line Items]    
Cash and cash equivalents 13,415 8,525
Total interest-bearing securities $ 13,415 $ 8,525