REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 34,392,000,000	$ 32,637,000,000	$ 36,709,000,000
Disaggregation of revenue, timing of recognition - percentage	100.00%	100.00%	100.00%
Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 25,643,000,000	$ 24,737,000,000	$ 27,629,000,000
Disaggregation of revenue, timing of recognition - percentage	75.00%	76.00%	75.00%
Products [Member] | Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	58.00%	61.00%	61.00%
Products [Member] | Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	17.00%	15.00%	14.00%
Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 8,749,000,000	$ 7,900,000,000	$ 9,080,000,000
Disaggregation of revenue, timing of recognition - percentage	25.00%	24.00%	25.00%
Services [Member] | Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	8.00%	8.00%	9.00%
Services [Member] | Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	17.00%	16.00%	16.00%
Corporate and All Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0
Corporate and All Other [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue	11,026,000,000	11,544,000,000	14,054,000,000
Aerospace [Member] | Commercial Aviation Original Equipment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,720,000,000	1,940,000,000	2,999,000,000
Aerospace [Member] | Commercial Aviation Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,155,000,000	3,812,000,000	5,761,000,000
Aerospace [Member] | Defense and Space [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,151,000,000	5,792,000,000	5,294,000,000
Aerospace [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,158,000,000	7,194,000,000	8,766,000,000
Aerospace [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,868,000,000	4,350,000,000	5,288,000,000
Honeywell Building Technologies [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,539,000,000	5,189,000,000	5,717,000,000
Honeywell Building Technologies [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,243,000,000	2,971,000,000	3,293,000,000
Honeywell Building Technologies [Member] | Building Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,296,000,000	2,218,000,000	2,424,000,000
Honeywell Building Technologies [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,098,000,000	3,868,000,000	4,395,000,000
Honeywell Building Technologies [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,441,000,000	1,321,000,000	1,322,000,000
Performance Materials And Technologies [Member]
Disaggregation of Revenue [Line Items]
Revenue	10,013,000,000	9,423,000,000	10,834,000,000
Performance Materials And Technologies [Member] | UOP [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,348,000,000	2,177,000,000	2,890,000,000
Performance Materials And Technologies [Member] | Process Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,611,000,000	4,590,000,000	5,146,000,000
Performance Materials And Technologies [Member] | Specialty Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,054,000,000	2,656,000,000	2,798,000,000
Performance Materials And Technologies [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,008,000,000	7,548,000,000	8,732,000,000
Performance Materials And Technologies [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,005,000,000	1,875,000,000	2,102,000,000
Safety And Productivity Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,814,000,000	6,481,000,000	6,104,000,000
Safety And Productivity Solutions [Member] | Safety and Retail [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,387,000,000	2,414,000,000	2,215,000,000
Safety And Productivity Solutions [Member] | Productivity Solutions and Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,610,000,000	1,270,000,000	1,285,000,000
Safety And Productivity Solutions [Member] | Warehouse and Workflow Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,944,000,000	1,965,000,000	1,719,000,000
Safety And Productivity Solutions [Member] | Advanced Sensing Technologies
Disaggregation of Revenue [Line Items]
Revenue	873,000,000	832,000,000	885,000,000
Safety And Productivity Solutions [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,379,000,000	6,127,000,000	5,736,000,000
Safety And Productivity Solutions [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 435,000,000	$ 354,000,000	$ 368,000,000