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Business Combinations - Narrative (Details) - ConnectiCare - USD ($) $ in Millions |  | 9 Months Ended
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Feb. 01, 2025 | Sep. 30, 2025
Business Combination, Contingent Consideration [Line Items] |  |
Issued and outstanding capital stock acquisition, percentage | 100.00% |
Cash paid for acquisition | $ 350 |
Acquisition costs |  | $ 3

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