Medical Claims Liability - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
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| Insurance [Abstract] | ||
| Amounts recorded as an adjustment to premium revenues related to minimum HBR and return of premium programs | $ 67 | $ 202 |
| Short-duration insurance contracts, Incurred but not reported and expected development on reported claims | $ 10,480 | |
| X | ||||||||||
- Definition Amounts Recorded As An Adjustment To Premium Revenues Related To Minimum HBR and Return Of Premium Programs No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Undiscounted amount, after reinsurance, of incurred-but-not-reported (IBNR) liabilities plus expected development on reported claims, for claims and allocated claim adjustment expense for short-duration insurance contracts. Excludes unallocated claim adjustment expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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