v3.25.0.1
Health Care Costs Payable - Liability for Unpaid Claims and Claims Adjustment Expense (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Reinsurance recoverables $ 81 $ 5    
Other non-insurance health care costs payable 1,755      
Total health care costs payable 15,064 $ 12,049    
Health Insurance Product Line        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Total outstanding liabilities for health care costs payable, net of reinsurance 12,946      
Reinsurance recoverables 81   $ 5 $ 8
Insurance lines other than short duration $ 282