| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 549a | 686a |
| Accounts receivable, net of allowance for credit losses | 1,304a | 1,210a |
| Inventories | 188a | 190a |
| Prepaid expenses and other current assets | 351a | 286a |
| Total current assets | 2,392a | 2,372a |
| Property, plant and equipment, net | 2,113a | 1,816a |
| Operating lease right-of-use assets | 651a | 602a |
| Goodwill | 8,856a | 7,733a |
| Intangible assets, net | 1,763a | 1,166a |
| Investments in equity method investees | 123a | 135a |
| Other assets | 255a | 198a |
| Total assets | 16,153a | 14,022a |
| Liabilities and stockholders’ equity | — | — |
| Current liabilities | — | — |
| Accounts payable and accrued expenses | 1,394a | 1,359a |
| Current portion of long-term debt | 602a | 303a |
| Current portion of long-term operating lease liabilities | 173a | 153a |
| Total current liabilities | 2,169a | 1,815a |
| Long-term debt | 5,615a | 4,410a |
| Long-term operating lease liabilities | 535a | 503a |
| Other liabilities | 938a | 876a |
| Redeemable noncontrolling interest | 83a | 76a |
| Stockholders’ equity | — | — |
| Quest Diagnostics stockholders’ equity | — | — |
| Common stock | 2a | 2a |
| Additional paid-in capital | 2,361a | 2,320a |
| Retained earnings | 9,360a | 8,825a |
| Accumulated other comprehensive loss | -88a | -14a |
| Treasury stock, at cost | -4,857a | -4,826a |
| Total Quest Diagnostics stockholders’ equity | 6,778a | 6,307a |
| Noncontrolling interests | 35a | 35a |
| Total stockholders’ equity | 6,813a | 6,342a |
| Total liabilities and stockholders’ equity | 16,153a | 14,022a |