REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation Of Revenue [Table Text Block]

	Years Ended December 31,
	2020		2019		2018
Aerospace
Commercial Aviation Original Equipment	$	1,932	$	2,997	$	2,833
Commercial Aviation Aftermarket	3,786		5,731		5,373
Defense and Space	5,826		5,326		4,665
Transportation Systems	—		—		2,622
	11,544		14,054		15,493
Honeywell Building Technologies
Homes Products and Software	—		—		1,732
Distribution (ADI)	—		—		2,196
Products	2,995		3,314		2,953
Building Solutions	2,194		2,403		2,417
	5,189		5,717		9,298
Performance Materials and Technologies
UOP	2,177		2,890		2,845
Process Solutions	4,590		5,146		4,981
Specialty Products	1,075		1,062		1,134
Fluorine Products	1,581		1,736		1,714
	9,423		10,834		10,674
Safety and Productivity Solutions
Safety and Retail	2,414		2,215		2,278
Productivity Solutions and Services	1,256		1,270		1,540
Warehouse and Workflow Solutions	2,018		1,771		1,662
Sensing & Internet-of-Things (IoT)	793		848		857
	6,481		6,104		6,337
Net sales	$	32,637	$	36,709	$	41,802

	Years Ended December 31,
	2020		2019		2018
Products, transferred point in time	61	%	61	%	67	%
Products, transferred over time	15		14		12
Net product sales	76		75		79
Services, transferred point in time	8		9		7
Services, transferred over time	16		16		14
Net service sales	24		25		21
Net sales	100	%	100	%	100	%

Contract with Customer, Asset and Liability [Table Text Block]

	2020		2019
Contract assets—January 1	$	1,602	$	1,548
Contract assets—December 31	1,618		1,602
Change in contract assets—increase (decrease)	$	16	$	54
Contract liabilities—January 1	$	(3,501)	$	(3,378)
Contract liabilities—December 31	(4,033)		(3,501)
Change in contract liabilities—(increase) decrease	$	(532)	$	(123)
Net change	$	(516)	$	(69)

Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table Text Block]

	December 31, 2020
Aerospace	$	9,493
Honeywell Building Technologies	5,924
Performance Materials and Technologies	6,704
Safety and Productivity Solutions	4,255
	$	26,376