CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net Sales	$ 34,392	$ 32,637	$ 36,709
Costs and Expenses [Abstract]
Cost of products and services sold	23,394	22,169	24,339
Selling, general and administrative expenses	4,798	4,772	5,519
Other (income) expense	(1,378)	(675)	(1,065)
Interest and other financial charges	343	359	357
Cost, operating and non-operating expenses	27,157	26,625	29,150
Income before taxes	7,235	6,012	7,559
Tax expense	1,625	1,147	1,329
Net income	5,610	4,865	6,230
Less: Net income attributable to the noncontrolling interest	68	86	87
Net income attributable to Honeywell	$ 5,542	$ 4,779	$ 6,143
Earnings per share of common stock - basic	$ 8.01	$ 6.79	$ 8.52
Earnings per share of common stock - assuming dilution	$ 7.91	$ 6.72	$ 8.41
Products [Member]
Income Statement [Abstract]
Net Sales	$ 25,643	$ 24,737	$ 27,629
Costs and Expenses [Abstract]
Cost of products and services sold	18,344	17,638	19,269
Services [Member]
Income Statement [Abstract]
Net Sales	8,749	7,900	9,080
Costs and Expenses [Abstract]
Cost of products and services sold	$ 5,050	$ 4,531	$ 5,070