XML 94 R76.htm IDEA: XBRL DOCUMENT v3.24.0.1
BENEFITS PAYABLE - Narrative (Details)
claim in Millions, $ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
claim
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Claims Development [Line Items]      
Total IBNR | $ $ 6,600 $ 5,700  
Favorable medical claims reserve development related to prior fiscal years | $ $ 872 $ 415 $ 825
2023 Claims Incurred Year      
Claims Development [Line Items]      
Cumulative number of reported claims 200.0    
2022 Claims Incurred Year      
Claims Development [Line Items]      
Cumulative number of reported claims 182.4    
2021 Claims Incurred Year      
Claims Development [Line Items]      
Cumulative number of reported claims 173.7