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Health Care Costs Payable | 3 Months Ended
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Mar. 31, 2019
Health Care and Other Insurance Liabilities [Abstract] |
Short-Duration Insurance and Deposit Contracts [Text Block] | Health Care Costs Payable Prior to the Aetna Acquisition, the Company’s health care costs payable balance was immaterial and related to unpaid pharmacy claims for its SilverScript PDP. Accordingly, the Company has not included disclosures for health care costs payable for periods prior to the Aetna Acquisition Date. The following table shows the components of the change in health care costs payable during the three months ended March 31, 2019:
In millions |  |
Health care costs payable, beginning of the period |  | $ | 6,147 |
Less: Reinsurance recoverables |  | 4 |
Health care costs payable, beginning of the period, net |  | 6,143 |
Add: Components of incurred health care costs |  |
Current year |  | 13,804 |
Prior years |  | (446 | )
Total incurred health care costs (1) |  | 13,358 |
Less: Claims paid |  |
Current year |  | 8,004 |
Prior years |  | 4,812 |
Total claims paid |  | 12,816 |
Add: Premium deficiency reserve |  | 11 |
Health care costs payable, end of period, net |  | 6,696 |
Add: Reinsurance recoverables |  | 5 |
Health care costs payable, end of period |  | $ | 6,701 |
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(1) | Total incurred health care costs during the three months ended March 31, 2019 in the table above exclude (i) $11 million related to a premium deficiency reserve for the 2019 coverage year related to the Company’s Medicaid products, (ii) $10 million of benefit costs recorded in the Health Care Benefits segment that are included in other insurance liabilities on the unaudited condensed consolidated balance sheet and (iii) $80 million of benefit costs recorded in the Corporate/Other segment that are included in other insurance liabilities on the unaudited condensed consolidated balance sheet.
The Company’s estimates of prior years’ health care costs payable decreased by $446 million in the three months ended March 31, 2019, 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. At March 31, 2019, the Company’s liabilities for the ultimate cost of (i) services rendered to members but not yet reported to the Company and (ii) claims which have been reported to the Company but not yet paid (collectively, “IBNR”) plus expected development on reported claims totaled approximately $5.1 billion. The majority of the Company’s liabilities for IBNR plus expected development on reported claims at March 31, 2019 related to the current year.

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- Definition Health Care and Other Insurance Liabilities [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for insurance products considered to be short-duration contracts because the contract provides insurance protection for a fixed period of short duration and enables the insurer to cancel the contract or to adjust the provisions of the contract at the end of any contract period, such as adjusting the amount of premiums charged or coverage provided, and on contracts on which amounts are paid but insurance risk is not transferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -URI http://asc.fasb.org/topic&trid=2303980 + Details
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