CONSOLIDATED STATEMENT OF SHAREOWNERS EQUITY - USD ($)	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, 2012			$ 4,358,000,000	$ (8,801,000,000)	$ 17,799,000,000	$ (1,339,000,000)	$ 90,000,000
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2012				(174,800,000)
Reacquired stock or repurchases of common stock				$ (1,073,000,000)
Reacquired stock or repurchases of common stock, shares				(13,500,000)
Issued for employee savings and option plans			155,000,000	$ 500,000,000
Issued for employee savings and option plans, shares				14,500,000
Stock-based compensation expense			170,000,000
Other owner changes			(1,000,000)	$ 0			3,000,000
Other owner changes, shares				0
Net income attributable to Honeywell	$ 3,924,000,000				3,924,000,000
Dividends on common stock					(1,329,000,000)
Redemption value adjustment					(11,000,000)
Foreign exchange translation adjustment	(52,000,000)					(52,000,000)	(2,000,000)
Dividends paid							(16,000,000)
Contributions from noncontrolling interest holders							28,000,000
Pensions and other postretirement benefit adjustments	2,203,000,000					2,203,000,000
Changes in fair value of available for sale investments	13,000,000					13,000,000
Changes in fair value of effective cash flow hedges	(7,000,000)					(7,000,000)
Acquisitions							0
Interest sold (bought)							0
Net income attributable to the noncontrolling interest	38,000,000						9,000,000
Balance at, end of period at Dec. 31, 2013	$ 17,579,000,000	$ 958,000,000	4,682,000,000	$ (9,374,000,000)	20,383,000,000	818,000,000	112,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2013				(173,800,000)
Common Stock Shares Issued		957,600,000
Common stock, shares	783,800,000
Reacquired stock or repurchases of common stock	$ (924,000,000)			$ (924,000,000)
Reacquired stock or repurchases of common stock, shares	(10,000,000)			(10,000,000)
Issued for employee savings and option plans			175,000,000	$ 303,000,000
Issued for employee savings and option plans, shares				8,400,000
Stock-based compensation expense			187,000,000
Other owner changes			(6,000,000)	$ 0			(3,000,000)
Other owner changes, shares				0
Net income attributable to Honeywell	$ 4,239,000,000				4,239,000,000
Dividends on common stock					(1,478,000,000)
Redemption value adjustment					(29,000,000)
Foreign exchange translation adjustment	(1,044,000,000)					(1,044,000,000)	(3,000,000)
Dividends paid							(17,000,000)
Contributions from noncontrolling interest holders							5,000,000
Pensions and other postretirement benefit adjustments	(1,083,000,000)					(1,083,000,000)
Changes in fair value of available for sale investments	(170,000,000)					(170,000,000)
Changes in fair value of effective cash flow hedges	20,000,000					20,000,000
Acquisitions							0
Interest sold (bought)							(7,000,000)
Net income attributable to the noncontrolling interest	90,000,000						40,000,000
Balance at, end of period at Dec. 31, 2014	$ 17,784,000,000	$ 958,000,000	5,038,000,000	$ (9,995,000,000)	23,115,000,000	(1,459,000,000)	127,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2014				(175,400,000)
Common Stock Shares Issued		957,600,000
Common stock, shares	782,200,000
Reacquired stock or repurchases of common stock	$ (1,884,000,000)			$ (1,884,000,000)
Reacquired stock or repurchases of common stock, shares	(18,800,000)			(18,800,000)
Issued for employee savings and option plans			164,000,000	$ 215,000,000
Issued for employee savings and option plans, shares				6,700,000
Stock-based compensation expense			175,000,000
Other owner changes			0	$ 0			2,000,000
Other owner changes, shares				300,000
Net income attributable to Honeywell	$ 4,768,000,000				4,768,000,000
Dividends on common stock					(1,686,000,000)
Redemption value adjustment					(50,000,000)
Foreign exchange translation adjustment	(1,152,000,000)					(1,152,000,000)	(6,000,000)
Dividends paid							(26,000,000)
Contributions from noncontrolling interest holders							0
Pensions and other postretirement benefit adjustments	84,000,000					84,000,000
Changes in fair value of available for sale investments	0					0
Changes in fair value of effective cash flow hedges	(8,000,000)					(8,000,000)
Acquisitions							3,000,000
Interest sold (bought)							0
Net income attributable to the noncontrolling interest	79,000,000						35,000,000
Balance at, end of period at Dec. 31, 2015	$ 18,418,000,000	$ 958,000,000	$ 5,377,000,000	$ (11,664,000,000)	$ 26,147,000,000	$ (2,535,000,000)	$ 135,000,000
Treasury Stock, Shares, Ending Balance at Dec. 31, 2015				(187,200,000)
Common Stock Shares Issued		957,600,000
Common stock, shares	770,400,000