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Health Care Costs Payable | 12 Months Ended
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Dec. 31, 2023
Health Care and Other Insurance Liabilities [Abstract] |
Health Care Costs Payable | Health Care Costs Payable The following is information about incurred and cumulative paid health care claims development as of December 31, 2023, net of reinsurance, and the total IBNR liabilities plus expected development on reported claims included within the net incurred claims amounts. See Note 1 ‘‘Significant Accounting Policies’’ for information on how the Company estimates IBNR reserves and health care costs payable as well as changes to those methodologies, if any. The Company’s estimate of IBNR liabilities is primarily based on trend and completion factors. Claim frequency is not used in the calculation of the Company’s liability. In addition, it is impracticable to disclose claim frequency information for health care claims due to the Company’s inability to gather consistent claim frequency information across its multiple claims processing systems. Any claim frequency count disclosure would not be comparable across the Company’s different claim processing systems and would not be consistent from period to period based on the volume of claims processed through each system. As a result, health care claim count frequency is not included in the disclosures below. The information about incurred and paid health care claims development for the year ended December 31, 2022 is presented as required unaudited supplemental information.
In millions | Incurred Health Care Claims, Net of Reinsurance For the Years Ended December 31,
Date of Service | 2022 |  | 2023
| (Unaudited) |  |
2022 | $ | 69,185 |  |  | $ | 68,540 |
2023 |  |  | 82,362 |
| Total |  | $ | 150,902 |
In millions | Cumulative Paid Health Care Claims, Net of Reinsurance For the Years Ended December 31,
Date of Service | 2022 |  | 2023
| (Unaudited) |  |
2022 | $ | 59,570 |  |  | $ | 68,363 |
2023 |  |  | 72,175 |
| Total |  | $ | 140,538 |
All outstanding liabilities for health care costs payable prior to 2022, net of reinsurance |  | 171 |
Total outstanding liabilities for health care costs payable, net of reinsurance |  | $ | 10,535 |
At December 31, 2023, the Company’s liabilities for IBNR plus expected development on reported claims totaled approximately $8.7 billion. Substantially all of the Company’s liabilities for IBNR plus expected development on reported claims at December 31, 2023 related to the current calendar year. The reconciliation of the December 31, 2023 health care net incurred and paid claims development tables to the health care costs payable liability on the consolidated balance sheet were as follows:
In millions | December 31, 2023
Short-duration health care costs payable, net of reinsurance | $ | 10,535 |
Reinsurance recoverables | 5 |
Insurance lines other than short duration | 217 |
Other non-insurance health care costs payable | 1,292 |
Total health care costs payable | $ | 12,049 |
The following table shows the components of the change in health care costs payable during the years ended December 31, 2023, 2022 and 2021:
In millions | 2023 |  | 2022 |  | 2021
Health care costs payable, beginning of period | $ | 10,142 |  |  | $ | 8,678 |  |  | $ | 7,936 |
Less: Reinsurance recoverables | 5 |  |  | 8 |  |  | 10 |
Less: Impact of discount rate on long-duration insurance reserves (1) | 8 |  |  | — |  |  | — |
Health care costs payable, beginning of period, net | 10,129 |  |  | 8,670 |  |  | 7,926 |
Acquisition, net | 1,098 |  |  | — |  |  | — |
Add: Components of incurred health care costs |  |  |  |  |
Current year | 86,639 |  |  | 71,399 |  |  | 64,631 |
Prior years | (685) |  |  | (654) |  |  | (788) |
Total incurred health care costs (2) | 85,954 |  |  | 70,745 |  |  | 63,843 |
Less: Claims paid |  |  |  |  |
Current year | 75,529 |  |  | 61,640 |  |  | 56,323 |
Prior years | 9,585 |  |  | 7,646 |  |  | 6,792 |
Total claims paid | 85,114 |  |  | 69,286 |  |  | 63,115 |
Add: Premium deficiency reserve | — |  |  | — |  |  | 16 |
Health care costs payable, end of period, net | 12,067 |  |  | 10,129 |  |  | 8,670 |
Add: Reinsurance recoverables | 5 |  |  | 5 |  |  | 8 |
Add: Impact of discount rate on long-duration insurance reserves (1) | (23) |  |  | 8 |  |  | — |
Health care costs payable, end of period | $ | 12,049 |  |  | $ | 10,142 |  |  | $ | 8,678 |
_____________________________________ (1)Reflects the difference between the current discount rate and the locked-in discount rate on long-duration insurance reserves which is recorded within accumulated other comprehensive loss on the consolidated balance sheets. Refer to Note 1 ‘‘Significant Accounting Policies’’ for further information related to the adoption of the long-duration insurance contracts accounting standard. (2)Total incurred health care costs for the years ended December 31, 2023, 2022 and 2021 in the table above exclude $83 million, $79 million and $58 million, respectively, of benefit costs recorded in the Health Care Benefits segment that are included in other insurance liabilities on the consolidated balance sheets and $210 million, $249 million and $271 million, respectively, of benefit costs recorded in the Corporate/Other segment that are included in other insurance liabilities on the consolidated balance sheets. The incurred health care costs for the year ended December 31, 2021 also exclude $16 million for premium deficiency reserves related to the Company’s Medicaid products. The Company’s estimates of prior years’ health care costs payable decreased by $685 million, $654 million and $788 million in 2023, 2022 and 2021, respectively, because claims were settled for amounts less than originally estimated (i.e., the amount of claims incurred was lower than originally estimated), primarily due to lower health care cost trends as well as the actual claim submission time being faster than originally assumed (i.e., the Company’s completion factors were higher than originally assumed) in estimating health care costs payable at the end of the prior year. This development does not directly correspond to an increase in the Company’s operating results as these reductions were offset by estimated current period health care costs when the Company established the estimate of the current year health care costs payable.

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- Definition The entire disclosure for liabilities related to future policy benefits and unpaid claims and claim adjustments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//944-40/tableOfContent + Details
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