Quarterly report pursuant to Section 13 or 15(d)

Medical Claims Liability - Schedule of Change in Medical Claims Liability (Details)

v3.22.2.2
Medical Claims Liability - Schedule of Change in Medical Claims Liability (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]    
Balance, January 1 $ 14,243 $ 12,438
Less: Reinsurance recoverable 23 23
Balance, January 1, net 14,220 12,415
Acquisitions and divestitures 249 0
Incurred related to:    
Current year 84,457 74,736
Prior years (1,196) (1,526)
Total incurred 83,261 73,210
Paid related to:    
Current year 70,305 62,205
Prior years 10,968 9,344
Total paid 81,273 71,549
Balance, September 30, net 16,457 14,076
Plus: Reinsurance recoverable 8 23
Balance, September 30 $ 16,465 $ 14,099