CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Statement of Income and Comprehensive Income [Abstract]
Net income	$ 905,000,000	$ 810,000,000	$ 1,730,000,000	$ 1,518,000,000
Other comprehensive income (loss), net of tax
Foreign exchange translation adjustment	(420,000,000)	116,000,000	(231,000,000)	507,000,000
Actuarial gains	5,000,000	25,000,000	5,000,000	25,000,000
Prior service credit	0	10,000,000	0	10,000,000
Prior service credit (cost) recognized during year	1,000,000	(1,000,000)	3,000,000	(4,000,000)
Actuarial losses recognized during the year	3,000,000	4,000,000	10,000,000	10,000,000
Settlements and curtailments	(4,000,000)	(35,000,000)	(2,000,000)	(35,000,000)
Foreign exchange translation and other	1,000,000	1,000,000	1,000,000	1,000,000
Pension and other postretirement benefit adjustments	6,000,000	4,000,000	17,000,000	7,000,000
Unrealized gains (losses) for the period	(5,000,000)	28,000,000	38,000,000	8,000,000
Changes in fair value of available for sale investments	(5,000,000)	28,000,000	38,000,000	8,000,000
Effective portion of cash flow hedges recognized in OCI	(48,000,000)	7,000,000	(23,000,000)	15,000,000
Less: Reclassification adjustment for gains (losses) included in net income	(12,000,000)	4,000,000	(6,000,000)	6,000,000
Changes in fair value of effective cash flow hedges	(36,000,000)	3,000,000	(17,000,000)	9,000,000
Other comprehensive income (loss), net of tax	(455,000,000)	151,000,000	(193,000,000)	531,000,000
Comprehensive income	450,000,000	961,000,000	1,537,000,000	2,049,000,000
Comprehensive income (loss) attributable to non controlling interest	(1,000,000)	0	3,000,000	3,000,000
Comprehensive income (loss) attributable to Honeywell	$ 451,000,000	$ 961,000,000	$ 1,534,000,000	$ 2,046,000,000