v3.26.1
Segment Information - Narrative (Details) - segment
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]        
Number of reportable segments     3  
UHC | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk, percentage 37.00% 38.00% 39.00% 36.00%
Humana | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk, percentage 13.00% 12.00% 14.00% 13.00%
Aetna | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk, percentage 13.00% 15.00% 12.00% 16.00%