Quarterly report pursuant to Section 13 or 15(d)

Medical Claims Liability - Narrative (Details)

v3.21.2
Medical Claims Liability - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Insurance [Abstract]    
Amounts recorded as an adjustment to premium revenues related to minimum HBR and return of premium programs $ 350 $ 46
Short-duration insurance contracts, Incurred but not reported and expected development on reported claims $ 8,636