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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Cash and cash equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| December 31,
| 2021 |  | 2020 |  | 2019
| (In millions)
Cash and cash equivalents | $ | 4,438 |  |  | $ | 4,154 |  |  | $ | 2,452 |
Restricted cash and cash equivalents | 68 |  |  | 69 |  |  | 56 |
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,506 |  |  | $ | 4,223 |  |  | $ | 2,508 |
Restricted cash and cash equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| December 31,
| 2021 |  | 2020 |  | 2019
| (In millions)
Cash and cash equivalents | $ | 4,438 |  |  | $ | 4,154 |  |  | $ | 2,452 |
Restricted cash and cash equivalents | 68 |  |  | 69 |  |  | 56 |
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,506 |  |  | $ | 4,223 |  |  | $ | 2,508 |
Schedule of receivables |
| December 31,
| 2021 |  | 2020
| (In millions)
Government receivables | $ | 1,566 |  |  | $ | 969 |
Pharmacy rebate receivables | 276 |  |  | 178 |
Health insurer fee reimbursement receivables | — |  |  | 104 |
Other | 335 |  |  | 255 |
Magellan Complete Care acquisition opening balance | — |  |  | 166 |
Total | $ | 2,177 |  |  | $ | 1,672 |
Amounts due to government agencies | Liabilities accrued for premiums to be returned under such provisions are reported in the aggregate as “Amounts due government agencies” in the accompanying consolidated balance sheets. Categorized by program, such amounts due government agencies included the following:
| December 31,
| 2021 |  | 2020
| (In millions)
Medicaid program: |  |  |
Minimum MLR and profit sharing | $ | 1,016 |  |  | $ | 513 |
Other | 263 |  |  | 76 |
Medicare program: |  |  |
Risk adjustment and Part D risk sharing | 89 |  |  | 45 |
Minimum MLR and profit sharing | 101 |  |  | 62 |
Other | 35 |  |  | 30 |
Marketplace program: |  |  |
Risk adjustment | 902 |  |  | 326 |
Minimum MLR | 18 |  |  | 37 |
Other | 48 |  |  | 21 |
Magellan Complete Care acquisition opening balance | — |  |  | 143 |
Total amounts due government agencies | $ | 2,472 |  |  | $ | 1,253 |
Summarized premium revenue | The following table summarizes premium revenue by state health plan for the periods presented:
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
| Amount |  | % of Total |  | Amount |  | % of Total |  | Amount |  | % of Total
| (Dollars in millions)
California | $ | 2,402 |  |  | 8.9 | % |  | $ | 2,109 |  |  | 11.5 | % |  | $ | 2,266 |  |  | 14.0 | %
Florida | 970 |  |  | 3.6 |  |  | 643 |  |  | 3.5 |  |  | 734 |  |  | 4.5 |
Illinois | 1,860 |  |  | 6.9 |  |  | 1,328 |  |  | 7.3 |  |  | 1,002 |  |  | 6.2 |
Kentucky | 1,977 |  |  | 7.4 |  |  | 654 |  |  | 3.6 |  |  | — |  |  | — |
Michigan | 1,915 |  |  | 7.1 |  |  | 1,587 |  |  | 8.7 |  |  | 1,624 |  |  | 10.0 |
New York | 1,429 |  |  | 5.3 |  |  | 309 |  |  | 1.7 |  |  | 179 |  |  | 1.1 |
Ohio | 3,172 |  |  | 11.8 |  |  | 2,962 |  |  | 16.2 |  |  | 2,553 |  |  | 15.8 |
Texas | 3,959 |  |  | 14.8 |  |  | 3,085 |  |  | 16.9 |  |  | 2,991 |  |  | 18.5 |
Washington | 4,420 |  |  | 16.5 |  |  | 3,169 |  |  | 17.3 |  |  | 2,695 |  |  | 16.6 |
Other (1) | 4,751 |  |  | 17.7 |  |  | 2,453 |  |  | 13.3 |  |  | 2,164 |  |  | 13.3 |
Total | $ | 26,855 |  |  | 100.0 | % |  | $ | 18,299 |  |  | 100.0 | % |  | $ | 16,208 |  |  | 100.0 | %
_______________________ (1)“Other” includes the Idaho, Mississippi, New Mexico, Puerto Rico, South Carolina, Utah and Wisconsin health plans, which were individually immaterial to our consolidated results of operations.

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