Health Care Costs Payable - Incurred and Paid Health Care Claims Development (Details) - Health Insurance Product Line - USD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Claims Development [Line Items] | ||
| Incurred Health Care Claims, Net of Reinsurance | $ 191,017 | |
| Cumulative Paid Health Care Claims, Net of Reinsurance | 178,199 | |
| All outstanding liabilities for health care costs payable prior to 2023, net of reinsurance | 128 | |
| Total outstanding liabilities for health care costs payable, net of reinsurance | 12,946 | |
| 2023 | ||
| Claims Development [Line Items] | ||
| Incurred Health Care Claims, Net of Reinsurance | 81,559 | $ 82,362 |
| Cumulative Paid Health Care Claims, Net of Reinsurance | 81,044 | $ 72,175 |
| 2024 | ||
| Claims Development [Line Items] | ||
| Incurred Health Care Claims, Net of Reinsurance | 109,458 | |
| Cumulative Paid Health Care Claims, Net of Reinsurance | $ 97,155 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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