CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,146,000,000	$ 1,036,000,000
Other Comprehensive Income (Loss), Net Of Tax [Abstract]
Foreign exchange translation adjustment	(721,000,000)	(5,000,000)
Actuarial (losses) gains recognized	(2,000,000)	4,000,000
Prior service costs recognized	5,000,000	0
Pension and other postretirement benefit adjustments	3,000,000	4,000,000
Unrealized losses	0	(11,000,000)
Less: Reclassification adjustment for gains included in net income	0	71,000,000
Changes in fair value of available for sale investments	0	(82,000,000)
Effective portion of cash flow hedges recognized in other comprehensive income	105,000,000	9,000,000
Less: Reclassification adjustment for gains (losses) included in net income	27,000,000	(4,000,000)
Changes in fair value of effective cash flow hedges	78,000,000	13,000,000
Other comprehensive loss, net of tax	(640,000,000)	(70,000,000)
Comprehensive income	506,000,000	966,000,000
Less: Comprehensive income attributable to the noncontrolling interest	30,000,000	19,000,000
Comprehensive income attributable to Honeywell	$ 476,000,000	$ 947,000,000