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Business Combinations - Schedule of The Provisional Fair Values Assigned To Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Sep. 01, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Assets acquired: |  |  |  |
Goodwill | $ 1,241 |  | $ 1,115 | $ 982
My Choice Wisconsin |  |  |  |
Assets acquired: |  |  |  |
Current assets |  | $ 96 |  |
Goodwill |  | 126 |  |
Intangible assets |  | 18 |  |
Other long-term assets |  | 7 |  |
Liabilities assumed: |  |  |  |
Medical claims and benefits payable |  | (96) |  |
Amounts due government agencies |  | (19) |  |
Accounts payable, accrued and other long-term liabilities |  | (58) |  |
Net consideration transferred |  | $ 74 |  |

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