| Net revenues | 9,872a | 9,252a | 9,883a |
| Operating costs and expenses and other operating income | — | — | — |
| Cost of services | -6,628a | -6,199a | -6,450a |
| Selling, general and administrative | -1,770a | -1,642a | -1,874a |
| Amortization of intangible assets | -127a | -108a | -120a |
| Other operating expense, net | -1a | -41a | -11a |
| Total operating costs and expenses, net | -8,526a | -7,990a | -8,455a |
| Operating income | 1,346a | 1,262a | 1,428a |
| Other income (expense) | — | — | — |
| Interest expense, net | -201a | -152a | -138a |
| Other income (expense), net | 30a | 20a | -55a |
| Total non-operating expense, net | -171a | -132a | -193a |
| Income before income taxes and equity in earnings of equity method investees | 1,175a | 1,130a | 1,235a |
| Income tax expense | -273a | -248a | -264a |
| Equity in earnings of equity method investees, net of taxes | 19a | 26a | 44a |
| Net income | 921a | 908a | 1,015a |
| Less: Net income attributable to noncontrolling interests | 50a | 54a | 69a |
| Net income attributable to Quest Diagnostics | 871a | 854a | 946a |