Medical Costs Payable (Tables)

9 Months Ended

Sep. 30, 2021

Insurance [Abstract]

Schedule of Liability for Unpaid Claims and Claims Adjustment Expense

The following table shows the components of the change in medical costs payable for the nine months ended September 30:

(in millions)	2021		2020
Medical costs payable, beginning of period	$	21,872	$	21,690
Acquisitions	88		186
Reported medical costs:
Current year	140,052		118,114
Prior years	(1,300)		(800)
Total reported medical costs	138,752		117,314
Medical payments:
Payments for current year	(116,135)		(98,548)
Payments for prior years	(18,659)		(19,475)
Total medical payments	(134,794)		(118,023)
Medical costs payable, end of period	$	25,918	$	21,167