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v3.25.1

BUSINESS SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Percentage of net revenues | 100.00% | 100.00%
Total net revenues | $ 2,652 | $ 2,366
Segment operating income | 346 | 300
Non-operating expense, net | (70) | (34)
Income before income taxes and equity in earnings of equity method investees | 276 | 266
Income tax expense | (59) | (66)
Equity in earnings of equity method investees, net of taxes | 18 | 8
Net income | 235 | 208
Less: Net income attributable to noncontrolling interests | 15 | 14
Net income attributable to Quest Diagnostics | 220 | 194
Depreciation and amortization | $ 140 | $ 116
DIS business |  |
Segment Reporting Information [Line Items] |  |
Percentage of net revenues | 98.00% | 97.00%
Total net revenues | $ 2,589 | $ 2,298
Less: Other segment items | 2,175 | 1,925
Segment operating income | 414 | 373
Depreciation and amortization | 97 | 84
All other operating segments |  |
Segment Reporting Information [Line Items] |  |
Total net revenues | 63 | 68
Segment operating income | 8 | 9
Depreciation and amortization | 4 | 3
General corporate activities |  |
Segment Reporting Information [Line Items] |  |
Segment operating income | (76) | (82)
Depreciation and amortization | $ 39 | $ 29
Minimum | DIS business |  |
Segment Reporting Information [Line Items] |  |
Percentage of net revenues | 95.00% | 95.00%

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