XML 53 R42.htm IDEA: XBRL DOCUMENT v3.24.3
Investments - Amortized Cost and Fair Value by Maturity Dates (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Amortized Cost    
Within one year $ 628 $ 1,280
Total 628 1,280
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract]    
Within one year 628 1,280
Total $ 628 $ 1,280