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RESTRUCTURING AND OTHER COSTS - TOTAL RESTRUCTURING COSTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | $ 123 | $ 128 | $ 262
Restructuring and other costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | 123 | 128 | 262
Restructuring and other costs | Cost of products sold |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | 44 | 25 | 21
Restructuring and other costs | Selling, general and administrative expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | 2 | 23 | 15
Restructuring and other costs | Other Restructuring Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | 77 | 81 | 226
Restructuring and other costs | Other income and expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges | $ 0 | $ (1) | $ 0

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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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