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Significant Accounting Policies - Amounts Due To Government Agencies (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
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 | 0 | 143
Total amounts due government agencies | $ 2,472 | $ 1,253

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