XML 61 R51.htm IDEA: XBRL DOCUMENT v3.24.3
Investments - Other Segments and Holding Company (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Schedule of Investments          
Investments $ 2,585   $ 2,585   $ 3,012
Other Segments and Holding Company          
Schedule of Investments          
Investments 109   109   114
Portion of unrealized (losses) gains that relates to equity securities still held 0 $ 0 0 $ 0  
Equity method investments | Other Segments and Holding Company          
Schedule of Investments          
Investments 95   95   100
Held to maturity debt investments measured at amortized cost | Other Segments and Holding Company          
Schedule of Investments          
Investments 11   11   11
Other investments measured at fair value | Other Segments and Holding Company          
Schedule of Investments          
Investments $ 3   $ 3   $ 3