Medical Claims Payable - Schedule of Reconciliation of Net Incurred Medical Claims to Benefit Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Insurance [Abstract] | ||||
| Net incurred medical claims with medical claims payable | $ 70,242 | $ 67,917 | ||
| Performance-based risk arrangements without medical claims payable | 306 | 2,108 | ||
| Total net incurred medical claims | 70,548 | 70,025 | ||
| Quality improvement and other claims expense | 2,091 | 1,993 | ||
| Benefit expense | $ 37,024 | $ 36,706 | $ 72,639 | $ 72,018 |
| X | ||||||||||
- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims, Payable No definition available.
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- Definition Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims, Performance-based Arrangements, without Medical Claims Payable No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of operating expense classified as other, disclosed in supplementary insurance information. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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