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Segment Information Segment Information - Narrative (Details) - segment
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Number of reportable segments 4    
Revenue Benchmark | Customer Concentration Risk | Health Benefits      
Segment Reporting Information [Line Items]      
Concentration risk 32.00% 31.00% 29.00%