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OTHER ITEMS IMPACTING COMPARABILITY - Schedule of Other Items Impacting Comparability (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Other Income and Expenses [Abstract] |  |  |
Acquisition costs | $ 7 | $ 2 | $ 6
FMS U.K. business exit | 0 | (32) | (82)
Currency translation adjustment loss | 0 | 188 | 0
Other, net | 6 | (1) | (7)
Other items impacting comparability, net | $ 13 | $ 157 | $ (83)
Number of segments | segment | 3 |  |

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