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Significant Accounting Policies - Amounts Due To Government Agencies (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Medicaid program: |  |
Minimum MLR and profit sharing | $ 136 | $ 92
Other | 83 | 95
Medicare program: |  |
Risk adjustment and Part D risk sharing | 38 | 14
Minimum MLR and profit sharing | 35 | 36
Other | 30 | 21
Marketplace program: |  |
Risk adjustment | 265 | 368
Minimum MLR | 33 | 15
Other | 20 | 23
Amounts due government agencies | $ 640 | $ 664

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