CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,365,000,000	$ 1,248,000,000	$ 4,097,000,000	$ 3,801,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	56,000,000	35,000,000	112,000,000	83,000,000
Prior service credit (cost)	0	0	(46,000,000)	0
Actuarial (gains) losses recognized	2,000,000	4,000,000	7,000,000	11,000,000
Prior service (credit) cost recognized	(17,000,000)	(20,000,000)	(49,000,000)	(58,000,000)
Pension and other postretirement benefits adjustments	(15,000,000)	(16,000,000)	(88,000,000)	(47,000,000)
Effective portion of cash flow hedges recognized in other comprehensive income (loss)	(36,000,000)	(7,000,000)	(98,000,000)	(1,000,000)
Less: Reclassification adjustment for gains (losses) included in net income	9,000,000	(5,000,000)	52,000,000	(18,000,000)
Changes in fair value of effective cash flow hedges	(45,000,000)	(2,000,000)	(150,000,000)	17,000,000
Other comprehensive income (loss), net of tax	(4,000,000)	17,000,000	(126,000,000)	53,000,000
Comprehensive income	1,361,000,000	1,265,000,000	3,971,000,000	3,854,000,000
Less: Comprehensive income attributable to the noncontrolling interest	18,000,000	8,000,000	36,000,000	23,000,000
Comprehensive income attributable to Honeywell	$ 1,343,000,000	$ 1,257,000,000	$ 3,935,000,000	$ 3,831,000,000