CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,400,000,000	$ 1,327,000,000	$ 2,732,000,000	$ 2,553,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	(192,000,000)	(74,000,000)	56,000,000	48,000,000
Prior service credit (cost)	0	0	(46,000,000)	0
Actuarial (gains) losses recognized	3,000,000	4,000,000	5,000,000	7,000,000
Prior service (credit) cost recognized	(16,000,000)	(19,000,000)	(32,000,000)	(38,000,000)
Pension and other postretirement benefits adjustments	(13,000,000)	(15,000,000)	(73,000,000)	(31,000,000)
Effective portion of cash flow hedges recognized in other comprehensive income (loss)	(49,000,000)	38,000,000	(62,000,000)	6,000,000
Less: Reclassification adjustment for gains (losses) included in net income	21,000,000	(7,000,000)	44,000,000	(13,000,000)
Changes in fair value of effective cash flow hedges	(70,000,000)	45,000,000	(106,000,000)	19,000,000
Other comprehensive income (loss), net of tax	(275,000,000)	(44,000,000)	(123,000,000)	36,000,000
Comprehensive income	1,125,000,000	1,283,000,000	2,609,000,000	2,589,000,000
Less: Comprehensive income attributable to the noncontrolling interest	9,000,000	5,000,000	18,000,000	15,000,000
Comprehensive income attributable to Honeywell	$ 1,116,000,000	$ 1,278,000,000	$ 2,591,000,000	$ 2,574,000,000