v3.25.2
Segment Information - Segment Reconciliation (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
segment
Jun. 30, 2024
USD ($)
Segment Reporting [Abstract]        
Number of reportable segments | segment     3  
Segment Reporting Information [Line Items]        
Total Revenue $ 1,204 $ 1,405 $ 2,397 $ 2,763
Other Expense (3) 2 (16) 0
Depreciation and Amortization (64) (86) (126) (171)
Share-based Compensation (9) (12) (16) (25)
Gain on Sale of Business 70 0 70 0
Restructuring Charges (11) (5) (40) (8)
Other (Charges) Credits, Net (3) 2 (16)  
Operating Income 237 264 379 497
Operating Segments | DRE        
Segment Reporting Information [Line Items]        
Total Revenue 335 427 685 849
Direct Costs (220) (241) (446) (480)
Other Expense (46) (56) (96) (109)
Adjusted EBITDA 69 130 143 260
Depreciation and Amortization (21) (27) (40) (55)
Restructuring Charges (1) (2) (9) (2)
Operating Segments | WCC        
Segment Reporting Information [Line Items]        
Total Revenue 456 504 897 962
Direct Costs (279) (297) (537) (573)
Other Expense (59) (62) (114) (124)
Adjusted EBITDA 118 145 246 265
Depreciation and Amortization (12) (25) (24) (48)
Restructuring Charges (1) 0 (8) (1)
Operating Segments | PRI        
Segment Reporting Information [Line Items]        
Total Revenue 327 369 661 717
Direct Costs (220) (236) (450) (467)
Other Expense (44) (48) (86) (92)
Adjusted EBITDA 63 85 125 158
Depreciation and Amortization (18) (24) (36) (46)
Restructuring Charges 0 (3) (8) (4)
All Other        
Segment Reporting Information [Line Items]        
Total Revenue 86 105 154 235
Adjusted EBITDA 19 23 23 50
Corporate        
Segment Reporting Information [Line Items]        
Adjusted EBITDA $ (15) $ (18) $ (30) $ (32)