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Affordable Care Act - Net Receivables (Payables) for Each of the Ongoing Programs (Details) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
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Affordable Care Act [Abstract] |  |
Risk adjustment receivable | $ 463 | $ 340
Risk adjustment payable | (472) | (1,224)
Minimum medical loss ratio | (65) | (238)
Cost sharing reduction receivable | 92 | 101
Cost sharing reduction payable | $ (12) | $ (1)

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- Definition Affordable Care Act [Abstract] + References No definition available. + Details
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- Definition Affordable Care Act, Cost Sharing Reduction Receivable + References No definition available. + Details
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- Definition Affordable Care Act Cost Sharing Reductions, Payable + References No definition available. + Details
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- Definition Affordable Care Act, Minimum Medical Loss Ratio + References No definition available. + Details
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- Definition Affordable Care Act Reinsurance, Payable + References No definition available. + Details
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- Definition Affordable Care Act, Risk Adjustment Receivable + References No definition available. + Details
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