CONSOLIDATED STATEMENT OF SHAREOWNERS EQUITY - USD ($) shares in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Balance at, beginning of period at Dec. 31, 2018			$ 6,452,000,000	$ (19,771,000,000)	$ 33,978,000,000	$ (3,437,000,000)	$ 178,000,000
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2018				(228.0)
Reacquired stock or repurchases of common stock				$ (4,400,000,000)
Reacquired stock or repurchases of common stock, shares				(26.5)
Issued for employee savings and option plans			271,000,000	$ 335,000,000
Issued for employee savings and option plans, shares				8.0
Stock-based compensation expense			153,000,000
Non-cash adjustment to APIC	$ 0		0
Net income attributable to Honeywell	6,143,000,000				6,143,000,000
Dividends on common stock					(2,428,000,000)
Foreign exchange translation adjustment	143,000,000					143,000,000	(5,000,000)
Dividends paid							(45,000,000)
Pensions and other postretirement benefit adjustments	86,000,000					86,000,000
Changes in fair value of available for sale investments						0
Changes in fair value of cash flow hedges	11,000,000					11,000,000
Acquisitions, divestitures, and other							(3,000,000)
Net income attributable to the noncontrolling interest	87,000,000						87,000,000
Contributions from noncontrolling interest holders							0
Balance at, end of period at Dec. 31, 2019	$ 18,706,000,000	$ 958,000,000	6,876,000,000	$ (23,836,000,000)	37,693,000,000	(3,197,000,000)	212,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2019				(246.5)
Cash dividends per share of common stock	$ 3.360
Common Stock Shares Issued		957.6
Common stock, shares	711.1
Reacquired stock or repurchases of common stock				$ (3,714,000,000)
Reacquired stock or repurchases of common stock, shares				(20.7)
Issued for employee savings and option plans			248,000,000	$ 321,000,000
Issued for employee savings and option plans, shares				6.4
Stock-based compensation expense			168,000,000
Non-cash adjustment to APIC	$ 0		0
Net income attributable to Honeywell	4,779,000,000				4,779,000,000
Dividends on common stock					(2,567,000,000)
Foreign exchange translation adjustment	(211,000,000)					(214,000,000)	3,000,000
Dividends paid							(54,000,000)
Pensions and other postretirement benefit adjustments	74,000,000					74,000,000
Changes in fair value of available for sale investments						4,000,000
Changes in fair value of cash flow hedges	(44,000,000)					(44,000,000)
Acquisitions, divestitures, and other							(6,000,000)
Net income attributable to the noncontrolling interest	86,000,000						86,000,000
Contributions from noncontrolling interest holders							0
Balance at, end of period at Dec. 31, 2020	$ 17,790,000,000	$ 958,000,000	7,292,000,000	$ (27,229,000,000)	39,905,000,000	(3,377,000,000)	241,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2020				(260.8)
Cash dividends per share of common stock	$ 3.630
Common Stock Shares Issued		957.6
Common stock, shares	696.8
Reacquired stock or repurchases of common stock				$ (3,380,000,000)
Reacquired stock or repurchases of common stock, shares				(15.8)
Issued for employee savings and option plans			184,000,000	$ 147,000,000
Issued for employee savings and option plans, shares				3.8
Stock-based compensation expense			217,000,000
Non-cash adjustment to APIC	$ 460,000,000		448,000,000
Net income attributable to Honeywell	5,542,000,000				5,542,000,000
Dividends on common stock					(2,620,000,000)
Foreign exchange translation adjustment	302,000,000					302,000,000	(4,000,000)
Dividends paid							(33,000,000)
Pensions and other postretirement benefit adjustments	186,000,000					186,000,000
Changes in fair value of available for sale investments						(3,000,000)
Changes in fair value of cash flow hedges	(3,000,000)					(3,000,000)
Acquisitions, divestitures, and other							397,000,000
Net income attributable to the noncontrolling interest	68,000,000						68,000,000
Contributions from noncontrolling interest holders							4,000,000
Balance at, end of period at Dec. 31, 2021	$ 19,242,000,000	$ 958,000,000	$ 8,141,000,000	$ (30,462,000,000)	$ 42,827,000,000	$ (2,895,000,000)	$ 673,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2021				(272.8)
Cash dividends per share of common stock	$ 3.770
Common Stock Shares Issued		957.6
Common stock, shares	684.8