REPOSITIONING AND OTHER CHARGES - Pretax Impact of Total net Repositioning and Other Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	$ 227	$ 101	$ 614	$ 242
Corporate and All Other
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	86	32	152	78
Aerospace | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	15	9	36	57
Honeywell Building Technologies | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	23	(1)	37	4
Performance Materials and Technologies | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	88	2	247	7
Safety and Productivity Solutions | Operating Segments
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning charges	$ 15	$ 59	$ 142	$ 96