CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,222,000,000	$ 1,126,000,000	$ 2,368,000,000	$ 2,162,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	211,000,000	66,000,000	(510,000,000)	61,000,000
Actuarial losses	(17,000,000)	0	(17,000,000)	0
Actuarial losses recognized	5,000,000	4,000,000	10,000,000	8,000,000
Prior service credits recognized	(1,000,000)	0	(3,000,000)	0
Transition obligation recognized	0	1,000,000	0	1,000,000
Pension and other postretirement benefit adjustments	(13,000,000)	5,000,000	(10,000,000)	9,000,000
Unrealized gains (losses)	0	9,000,000	0	(2,000,000)
Less: Reclassification adjustment for gains included in net income	0	0	0	71,000,000
Changes in fair value of available for sale investments	0	9,000,000	0	(73,000,000)
Effective portion of cash flow hedges recognized in other comprehensive income (loss)	(37,000,000)	12,000,000	68,000,000	21,000,000
Less: Reclassification adjustment for gains (losses) included in net income	31,000,000	3,000,000	58,000,000	(1,000,000)
Changes in fair value of effective cash flow hedges	(68,000,000)	9,000,000	10,000,000	22,000,000
Other comprehensive income (loss), net of tax	130,000,000	89,000,000	(510,000,000)	19,000,000
Comprehensive income	1,352,000,000	1,215,000,000	1,858,000,000	2,181,000,000
Less: Comprehensive income attributable to the noncontrolling interest	28,000,000	25,000,000	58,000,000	44,000,000
Comprehensive income attributable to Honeywell	$ 1,324,000,000	$ 1,190,000,000	$ 1,800,000,000	$ 2,137,000,000