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Medical Claims Liability (Tables)
3 Months Ended
Mar. 31, 2023
Insurance [Abstract]  
Schedule of change in medical claims liability
The following table summarizes the change in medical claims liability for the three months ended March 31, 2023 ($ in millions):
 MedicaidMedicareCommercialOtherConsolidated Total
Balance, January 1, 2023$11,253 $3,431 $1,921 $140 $16,745 
Less: Reinsurance recoverable— 19 — 26 
Balance, January 1, 2023, net11,246 3,431 1,902 140 16,719 
Incurred related to:
Current year20,813 5,163 4,177 418 30,571 
Prior years(803)(155)(172)(7)(1,137)
Total incurred20,010 5,008 4,005 411 29,434 
Paid related to:
Current year12,679 2,988 2,541 294 18,502 
Prior years6,834 2,145 1,063 132 10,174 
Total paid19,513 5,133 3,604 426 28,676 
Balance, March 31, 2023, net
11,743 3,306 2,303 125 17,477 
Plus: Reinsurance recoverable— 18 — 27 
Balance, March 31, 2023
$11,752 $3,306 $2,321 $125 $17,504 

The following table summarizes the change in medical claims liability for the three months ended March 31, 2022 ($ in millions):
 MedicaidMedicareCommercialOtherConsolidated Total
Balance, January 1, 2022$9,845 $2,286 $2,014 $98 $14,243 
Less: Reinsurance recoverable23 — — — 23 
Balance, January 1, 2022, net9,822 2,286 2,014 98 14,220 
Acquisitions— — — 249 249 
Incurred related to:
Current year19,289 5,098 3,423 751 28,561 
Prior years(514)(52)(149)(8)(723)
Total incurred18,775 5,046 3,274 743 27,838 
Paid related to:
Current year12,022 2,674 2,012 690 17,398 
Prior years5,643 1,624 1,319 76 8,662 
Total paid17,665 4,298 3,331 766 26,060 
Balance, March 31, 2022, net
10,932 3,034 1,957 324 16,247 
Plus: Reinsurance recoverable12 — — — 12 
Balance, March 31, 2022
$10,944 $3,034 $1,957 $324 $16,259