v3.26.3
REVENUE RECOGNITION (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Percentage of net revenues 100.00% 100.00% 100.00% 100.00%  
Net accounts receivable 100.00%   100.00%   100.00%
DIS business          
Segment Reporting [Line Items]          
Percentage of net revenues 98.00% 98.00% 98.00% 98.00%  
Net accounts receivable 98.00%   98.00%   98.00%
DIS business | Healthcare Insurers          
Segment Reporting [Line Items]          
Percentage of net revenues 37.00% 39.00% 37.00% 39.00%  
Net accounts receivable 23.00%   23.00%   27.00%
DIS business | Healthcare Insurers | Fee-for-service          
Segment Reporting [Line Items]          
Percentage of net revenues 35.00% 37.00% 34.00% 36.00%  
DIS business | Healthcare Insurers | Capitated          
Segment Reporting [Line Items]          
Percentage of net revenues 2.00% 2.00% 3.00% 3.00%  
DIS business | Government payers (principally fee-for-service)          
Segment Reporting [Line Items]          
Percentage of net revenues 16.00% 16.00% 16.00% 16.00%  
Net accounts receivable 8.00%   8.00%   8.00%
DIS business | Client Payers          
Segment Reporting [Line Items]          
Percentage of net revenues 33.00% 31.00% 32.00% 31.00%  
Net accounts receivable 48.00%   48.00%   43.00%
DIS business | Patients (including coinsurance and deductible responsibilities)          
Segment Reporting [Line Items]          
Percentage of net revenues 12.00% 12.00% 13.00% 12.00%  
Net accounts receivable 19.00%   19.00%   20.00%
DIS business | Minimum          
Segment Reporting [Line Items]          
Percentage of net revenues 95.00% 95.00% 95.00% 95.00%  
All other operating segments | DS Businesses          
Segment Reporting [Line Items]          
Percentage of net revenues 2.00% 2.00% 2.00% 2.00%  
Net accounts receivable 2.00%   2.00%   2.00%