XML 42 R32.htm IDEA: XBRL DOCUMENT v3.25.1
Medical Costs Payable (Narrative) (Details) - USD ($)
$ in Billions
Mar. 31, 2025
Dec. 31, 2024
Insurance [Abstract]    
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Amount $ 25.9 $ 23.7