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BUSINESS ACQUISITIONS - Consideration Paid (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Business Acquisition [Line Items] |  |
Goodwill | $ 8,605 | $ 7,733
Acquisitions During Period |  |
Business Acquisition [Line Items] |  |
Cash and cash equivalents | 50 |
Accounts receivable | 30 |
Other current assets | 25 |
Property, plant and equipment | 259 |
Finance lease assets (recorded in property, plant and equipment) | 17 |
Operating lease right-of-use assets | 84 |
Goodwill | 872 |
Intangible assets | 641 |
Other assets | 36 |
Total assets acquired | 2,014 |
Accounts payable and accrued expenses | 67 |
Current portion of long-term operating lease liabilities | 21 |
Finance lease liabilities (recorded in long-term debt) | 17 |
Long-term operating lease liabilities | 63 |
Other liabilities | 15 |
Total liabilities assumed | 183 |
Net assets acquired | 1,831 |
LifeLabs Inc. |  |
Business Acquisition [Line Items] |  |
Cash and cash equivalents | 50 |
Accounts receivable | 30 |
Other current assets | 23 |
Property, plant and equipment | 255 |
Finance lease assets (recorded in property, plant and equipment) | 0 |
Operating lease right-of-use assets | 67 |
Goodwill | 300 |
Intangible assets | 434 |
Other assets | 36 |
Total assets acquired | 1,195 |
Accounts payable and accrued expenses | 67 |
Current portion of long-term operating lease liabilities | 17 |
Finance lease liabilities (recorded in long-term debt) | 0 |
Long-term operating lease liabilities | 50 |
Other liabilities | 8 |
Total liabilities assumed | 142 |
Net assets acquired | 1,053 |
Laboratory Business of Three Physician Groups in New York |  |
Business Acquisition [Line Items] |  |
Cash and cash equivalents | 0 |
Accounts receivable | 0 |
Other current assets | 0 |
Property, plant and equipment | 0 |
Finance lease assets (recorded in property, plant and equipment) | 0 |
Operating lease right-of-use assets | 0 |
Goodwill | 243 |
Intangible assets | 57 |
Other assets | 0 |
Total assets acquired | 300 |
Accounts payable and accrued expenses | 0 |
Current portion of long-term operating lease liabilities | 0 |
Finance lease liabilities (recorded in long-term debt) | 0 |
Long-term operating lease liabilities | 0 |
Other liabilities | 0 |
Total liabilities assumed | 0 |
Net assets acquired | 300 |
Select Assets of the Outreach Laboratory Services Business of Allina Health |  |
Business Acquisition [Line Items] |  |
Cash and cash equivalents | 0 |
Accounts receivable | 0 |
Other current assets | 0 |
Property, plant and equipment | 0 |
Finance lease assets (recorded in property, plant and equipment) | 0 |
Operating lease right-of-use assets | 0 |
Goodwill | 175 |
Intangible assets | 55 |
Other assets | 0 |
Total assets acquired | 230 |
Accounts payable and accrued expenses | 0 |
Current portion of long-term operating lease liabilities | 0 |
Finance lease liabilities (recorded in long-term debt) | 0 |
Long-term operating lease liabilities | 0 |
Other liabilities | 0 |
Total liabilities assumed | 0 |
Net assets acquired | 230 |
Other Acquisitions |  |
Business Acquisition [Line Items] |  |
Cash and cash equivalents | 0 |
Accounts receivable | 0 |
Other current assets | 2 |
Property, plant and equipment | 4 |
Finance lease assets (recorded in property, plant and equipment) | 17 |
Operating lease right-of-use assets | 17 |
Goodwill | 154 |
Intangible assets | 95 |
Other assets | 0 |
Total assets acquired | 289 |
Accounts payable and accrued expenses | 0 |
Current portion of long-term operating lease liabilities | 4 |
Finance lease liabilities (recorded in long-term debt) | 17 |
Long-term operating lease liabilities | 13 |
Other liabilities | 7 |
Total liabilities assumed | 41 |
Net assets acquired | $ 248 |

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