CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statement of Operations
Net Sales	$ 8,473	$ 7,797	$ 25,735	$ 23,737
Costs, expenses and other
Cost of products and services sold	5,746	5,383	17,458	16,193
Selling, general and administrative expenses	1,152	1,103	3,595	3,524
Other (income) expense	(215)	62	(1,023)	(546)
Interest and other financial charges	90	101	263	264
Cost, operating and non-operating expenses	6,773	6,649	20,293	19,435
Income before taxes	1,700	1,148	5,442	4,302
Tax expense (benefit)	427	367	1,274	816
Net income	1,273	781	4,168	3,486
Less: Net income attributable to the noncontrolling interest	16	23	54	66
Net income attributable to Honeywell	$ 1,257	$ 758	$ 4,114	$ 3,420
Earnings per share of common stock - basic (in dollars per share)	$ 1.82	$ 1.08	$ 5.93	$ 4.85
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 1.80	$ 1.07	$ 5.86	$ 4.81
Products [Member]
Consolidated Statement of Operations
Net Sales	$ 6,233	$ 5,885	$ 19,281	$ 17,933
Costs, expenses and other
Cost of products and services sold	4,463	4,315	13,748	12,852
Services [Member]
Consolidated Statement of Operations
Net Sales	2,240	1,912	6,454	5,804
Costs, expenses and other
Cost of products and services sold	$ 1,283	$ 1,068	$ 3,710	$ 3,341