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RESTRUCTURING, INTEGRATION, SEPARATION AND IPO COSTS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Cost-rationalization and integration initiatives |  |  |  |
Separation and IPO-related costs included in selling, general and administrative expenses | $ 715 | $ 661 | $ 2,151 | $ 1,959
Restructuring and Integration Costs |  |  |  |
Cost-rationalization and integration initiatives |  |  |  |
Costs incurred |  |  | 37 | 28
Separation and IPO Costs |  |  |  |
Cost-rationalization and integration initiatives |  |  |  |
Restructuring, integration, separation, and IPO costs |  |  | 3 | 30
Separation and IPO-related costs included in selling, general and administrative expenses |  |  | $ 18 | $ 84

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