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Medical Claims Liability (Tables)
6 Months Ended
Jun. 30, 2023
Insurance [Abstract]  
Schedule of change in medical claims liability
The following table summarizes the change in medical claims liability for the six months ended June 30, 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 year40,622 10,083 8,857 773 60,335 
Prior years(1,153)(191)(208)(2)(1,554)
Total incurred39,469 9,892 8,649 771 58,781 
Paid related to:
Current year31,837 7,726 6,751 656 46,970 
Prior years7,890 2,357 1,282 137 11,666 
Total paid39,727 10,083 8,033 793 58,636 
Balance, June 30, 2023, net
10,988 3,240 2,518 118 16,864 
Plus: Reinsurance recoverable— 15 — 20 
Balance, June 30, 2023
$10,993 $3,240 $2,533 $118 $16,884 

The following table summarizes the change in medical claims liability for the six months ended June 30, 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 and divestitures— — — 249 249 
Incurred related to:
Current year37,803 9,918 7,001 1,457 56,179 
Prior years(770)(46)(198)(15)(1,029)
Total incurred37,033 9,872 6,803 1,442 55,150 
Paid related to:
Current year29,007 6,977 5,475 1,427 42,886 
Prior years6,808 1,784 1,489 80 10,161 
Total paid35,815 8,761 6,964 1,507 53,047 
Balance, June 30, 2022, net
11,040 3,397 1,853 282 16,572 
Plus: Reinsurance recoverable— — — 
Balance, June 30, 2022
$11,049 $3,397 $1,853 $282 $16,581