CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 5,610,000,000	$ 4,865,000,000	$ 6,230,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	302,000,000	(211,000,000)	143,000,000
Actuarial gains (losses) recognized	256,000,000	91,000,000	162,000,000
Prior service credit (cost) recognized	7,000,000	47,000,000	1,000,000
Prior service credit recognized during year	(87,000,000)	(82,000,000)	(79,000,000)
Actuarial (gains) losses recognized during year	5,000,000	41,000,000	16,000,000
Foreign exchange translation and other	5,000,000	(23,000,000)	(14,000,000)
Pensions and other postretirement benefit adjustments	186,000,000	74,000,000	86,000,000
Changes in fair value of available for sale investments	(3,000,000)	4,000,000	0
Cash flow hedges recognized in other comprehensive income	17,000,000	10,000,000	103,000,000
Less: Reclassification adjustment for gains (losses) included in net income	20,000,000	54,000,000	92,000,000
Changes in fair value of cash flow hedges	(3,000,000)	(44,000,000)	11,000,000
Other comprehensive income (loss), net of tax	482,000,000	(177,000,000)	240,000,000
Comprehensive income	6,092,000,000	4,688,000,000	6,470,000,000
Less: Comprehensive income attributable to the noncontrolling interest	64,000,000	89,000,000	82,000,000
Comprehensive income attributable to Honeywell	$ 6,028,000,000	$ 4,599,000,000	$ 6,388,000,000