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Medical Costs Payable, Incurred and Paid Medical Cost Development (Details) - Health Insurance Product Line [Member] - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Net Incurred Medical Costs	$ 399,659
Net Cumulative Medical Payments	(370,993)
Net remaining outstanding liabilities prior to 2021	390
Total Medical costs payable	29,056
Short-duration Insurance Contracts, Accident Year 2021 [Member]
Net Incurred Medical Costs	188,407	$ 188,631
Net Cumulative Medical Payments	(186,944)	$ (165,524)
Short-duration Insurance Contracts, Accident Year 2022 [Member]
Net Incurred Medical Costs	211,252
Net Cumulative Medical Payments	$ (184,049)

X

- Definition

Amount, after reinsurance, of paid claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

+ References

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-Publisher FASB
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-SubTopic 40
-Section 50
-Paragraph 4B
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- Definition

Undiscounted amount, after reinsurance, of incurred claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

+ References

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- Definition

Undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

+ References

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- Definition

Undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts for accident years not separately presented in claim development information. Excludes unallocated claim adjustment expense.

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