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Medical Claims Liability - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Insurance [Abstract]
Amounts recorded as an adjustment to premium revenues related to minimum HBR and return of premium programs	$ 198	$ 492	$ 86

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- Definition

Amounts recorded as an adjustment to premium revenues related to minimum HBR and return of premium programs

+ References

No definition available.

+ Details

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Period Type:	duration

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- References

No definition available.

+ Details

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