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v3.23.3

BUSINESS SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net revenues | 100.00% | 100.00% | 100.00% | 100.00%
Total net revenues | $ 2,295 | $ 2,486 | $ 6,964 | $ 7,550
Total operating income | 342 | 392 | 995 | 1,293
Non-operating expense, net | (43) | (41) | (102) | (167)
Income before income taxes and equity in earnings of equity method investees | 299 | 351 | 893 | 1,126
Income tax expense | (68) | (81) | (208) | (268)
Equity in earnings of equity method investees, net of taxes | 6 | 6 | 18 | 41
Net income | 237 | 276 | 703 | 899
Less: Net income attributable to noncontrolling interests | 12 | 20 | 41 | 54
Net income attributable to Quest Diagnostics | $ 225 | $ 256 | $ 662 | $ 845
Total net revenues, percent | 100.00% | 100.00% | 100.00% | 100.00%
Routine clinical testing services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues, percent | 51.00% | 45.00% | 50.00% | 43.00%
COVID-19 Testing Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues, percent | 1.00% | 13.00% | 3.00% | 17.00%
Gene-based and esoteric testing services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues, percent | 39.00% | 33.00% | 38.00% | 31.00%
Anatomic pathology testing services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues, percent | 6.00% | 6.00% | 6.00% | 6.00%
All other services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues, percent | 3.00% | 3.00% | 3.00% | 3.00%
DIS business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net revenues | 97.00% | 97.00% | 97.00% | 97.00%
Total net revenues | $ 2,228 | $ 2,419 | $ 6,755 | $ 7,344
Total operating income | $ 392 | $ 441 | $ 1,176 | $ 1,445
DIS business | Minimum |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Percentage of net revenues | 95.00% | 95.00% | 95.00% | 95.00%
All other operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net revenues | $ 67 | $ 67 | $ 209 | $ 206
Total operating income | 8 | 3 | 26 | 16
General corporate activities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating income | $ (58) | $ (52) | $ (207) | $ (168)

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