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Medical Claims and Benefits Payable - Medical Claims and Future Benefits (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
Fee-for-service claims incurred but not paid (“IBNP”) | $ 1,647 | $ 1,406 | $ 1,562 |
Pharmacy payable | 157 | 126 | 115 |
Capitation payable | 70 | 55 | 52 |
Other | 528 | 267 | 232 |
Total | 2,696 | 1,854 | 1,961 | $ 2,192
Magellan Complete Care |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |
Total | $ 294 | $ 0 | $ 0 |

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- Definition Capitation Claims Payable + References No definition available. + Details
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- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Paid (IBNP), Fee-for-service Claims, Amount + References No definition available. + Details
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- Definition Other Claims Payable + References No definition available. + Details
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- Definition Pharmacy Claims Payable + References No definition available. + Details
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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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