v3.26.1
Investments - Other Segments and Holding Company (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Schedule of Investments      
Investments $ 1,638   $ 2,251
Other Segments and Holding Company      
Schedule of Investments      
Investments 108   105
Portion of unrealized (losses) gains that related to equity securities still held 0 $ 0  
Equity method investments | Other Segments and Holding Company      
Schedule of Investments      
Investments 94   91
Held to maturity debt investments measured at amortized cost | Other Segments and Holding Company      
Schedule of Investments      
Investments 11   11
Other investments measured at fair value | Other Segments and Holding Company      
Schedule of Investments      
Investments $ 3   $ 3