REPOSITIONING AND OTHER CHARGES - Pretax Impact of Total net Repositioning and Other Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	$ 100	$ 96	$ 714	$ 338
Corporate and All Other
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	22	48	174	126
Aerospace | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	(2)	(2)	34	55
Honeywell Building Technologies | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	10	5	47	9
Performance Materials and Technologies | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	15	5	262	12
Safety and Productivity Solutions | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	$ 55	$ 40	$ 197	$ 136