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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation - Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2024
Discontinued Operations, Disposed of by Sale | Kidney Care | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Agreed purchase price | $ 3,800 |  |
Proceeds from divestiture of businesses | 3,710 |  |
Proceeds | $ 3,400 |  |
Hurricane |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Hurricane Helene Costs |  | $ 110 |
Tangible asset write-off |  | $ 44 |
Remediation, unused facility, freight, and other costs |  |  | $ 317
Insurance Recoveries |  |  | $ 251

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