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SUPPLEMENTAL CASH FLOW AND OTHER DATA | 12 Months Ended
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Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract] |
SUPPLEMENTAL CASH FLOW AND OTHER DATA | SUPPLEMENTAL CASH FLOW AND OTHER DATA Supplemental cash flow and other data for the years ended December 31, 2023, 2022 and 2021 was as follows:
| 2023 |  | 2022 |  | 2021
Depreciation expense | $ | 331 |  |  | $ | 317 |  |  | $ | 305 |
Amortization expense | 108 |  |  | 120 |  |  | 103 |
Depreciation and amortization expense | $ | 439 |  |  | $ | 437 |  |  | $ | 408 |
Interest expense | $ | (163) |  |  | $ | (148) |  |  | $ | (152) |
Interest income | 11 |  |  | 10 |  |  | 1 |
Interest expense, net | $ | (152) |  |  | $ | (138) |  |  | $ | (151) |
Interest paid | $ | 134 |  |  | $ | 156 |  |  | $ | 159 |
Income taxes paid | $ | 317 |  |  | $ | 283 |  |  | $ | 709 |
Accounts payable associated with capital expenditures | $ | 42 |  |  | $ | 38 |  |  | $ | 26 |
Accounts payable associated with purchases of treasury stock | $ | 1 |  |  | $ | — |  |  | $ | 23 |
Dividend payable | $ | 79 |  |  | $ | 74 |  |  | $ | 74 |
Dividends received from equity method investees | $ | 26 |  |  | $ | 61 |  |  | $ | 60 |
Businesses acquired: |  |  |  |  |
Fair value of assets acquired | $ | 734 |  |  | $ | 182 |  |  | $ | 364 |
Fair value of liabilities assumed | 34 |  |  | 16 |  |  | 18 |
Fair value of net assets acquired | 700 |  |  | 166 |  |  | 346 |
Merger consideration payable | (88) |  |  | (18) |  |  | (15) |
Cash paid for business acquisitions | 612 |  |  | 148 |  |  | 331 |
Less: Cash acquired | 1 |  |  | 4 |  |  | — |
Business acquisitions, net of cash acquired | $ | 611 |  |  | $ | 144 |  |  | $ | 331 |
|  |  |  | 2023 |  | 2022 |  | 2021
Leases: |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  |  |  | $ | 192 |  |  | $ | 185 |  |  | $ | 185 |
Operating cash flows from finance leases |  |  |  | $ | — |  |  | $ | 1 |  |  | $ | 2 |
Financing cash flows from finance leases |  |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 2 |
Leased assets obtained in exchange for new operating lease liabilities |  |  |  | $ | 181 |  |  | $ | 154 |  |  | $ | 150 |
During the years ended December 31, 2023, 2022 and 2021, costs associated with donations, contributions, and other financial support through Quest for Health Equity, the Company's initiative with the Quest Diagnostics Foundation to reduce health disparities in underserved communities, were $— million, $93 million and $16 million, respectively. Such amounts are included in selling, general and administrative expenses in the Company's consolidated statement of operations. Costs incurred during the year ended December 31, 2022 will be donated and contributed over several years.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//230/tableOfContent + Details
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- References No definition available. + Details
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