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RESTRUCTURING AND OTHER EXIT COSTS (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) country
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other exit costs | $ 0 | $ 41 | $ 9 | $ 75 |
Cash payments for restructuring |  |  | 37 |  |
Noncash restructuring expenses and other adjustments |  |  | 5 |  |
Restructuring And Related Cost Expected Cost Remaining for 2021 | 7 |  | 7 |  |
Restructuring And Related Cost Expected Cost Remaining for Period after 2021 | 4 |  | 4 |  |
Minimum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of countries in which the entity commenced restructuring actions | country |  |  |  |  | 60
Accrued expenses and other current liabilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 4 |  | $ 4 |  | $ 37

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