CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,290,000,000	$ 1,222,000,000	$ 2,486,000,000	$ 2,368,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	(74,000,000)	211,000,000	48,000,000	(510,000,000)
Actuarial losses	0	(17,000,000)	0	(17,000,000)
Actuarial losses recognized	4,000,000	5,000,000	7,000,000	10,000,000
Prior service credits recognized	(19,000,000)	(1,000,000)	(38,000,000)	(3,000,000)
Pension and other postretirement benefits adjustments	(15,000,000)	(13,000,000)	(31,000,000)	(10,000,000)
Effective portion of cash flow hedges recognized in other comprehensive income (loss)	38,000,000	(37,000,000)	6,000,000	68,000,000
Less: Reclassification adjustment for gains (losses) included in net income	(7,000,000)	31,000,000	(13,000,000)	58,000,000
Changes in fair value of effective cash flow hedges	45,000,000	(68,000,000)	19,000,000	10,000,000
Other comprehensive income (loss), net of tax	(44,000,000)	130,000,000	36,000,000	(510,000,000)
Comprehensive income	1,246,000,000	1,352,000,000	2,522,000,000	1,858,000,000
Less: Comprehensive income attributable to the noncontrolling interest	5,000,000	28,000,000	15,000,000	58,000,000
Comprehensive income attributable to Honeywell	$ 1,241,000,000	$ 1,324,000,000	$ 2,507,000,000	$ 1,800,000,000