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REPOSITIONING AND OTHER CHARGES 3 (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | $ 96 | $ 144 | $ 338 | $ 486
Corporate |  |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | 48 | 33 | 126 | 77
Aerospace |  |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | (2) | 33 | 55 | 151
Honeywell Building Technologies |  |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | 5 | 29 | 9 | 87
Performance Materials and Technologies |  |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | 5 | 34 | 12 | 139
Safety and Productivity Solutions |  |  |  |
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] |  |  |  |
Total net repositioning charges | $ 40 | $ 15 | $ 136 | $ 32

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