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REPOSITIONING AND OTHER CHARGES 3 (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | $ 575 | $ 546 | $ 1,091
Corporate [Member] |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | 110 | 241 | 502
Aerospace [Member] |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | 157 | 33 | 154
Honeywell Building Technologies [Member] |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | 100 | 108 | 111
Performance Materials And Technologies [Member] |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | 167 | 93 | 191
Safety And Productivity Solutions [Member] |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |
Total net repositioning charges | $ 41 | $ 71 | $ 133

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- Definition Net total Increase or Decrease in the accrual for restructuring and other costs, including asbestos litigation charges - net of insurance and environmental remediation activities, during the reporting period. + References No definition available. + Details
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