CONSOLIDATED STATEMENT OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income attributable to Honeywell	$ 2,926,000,000	$ 2,067,000,000	$ 2,022,000,000
Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities:
Depreciation and amortization	926,000,000	957,000,000	987,000,000
Gain on sale of nonstrategic businesses and assets	(5,000,000)	(362,000,000)	0
Repositioning and other charges	443,000,000	743,000,000	600,000,000
Net payments for repositioning and other charges	(503,000,000)	(468,000,000)	(439,000,000)
Pension and other postretirement expense	1,065,000,000	1,823,000,000	689,000,000
Pension and other postretirement benefit payments	(1,183,000,000)	(1,883,000,000)	(838,000,000)
Stock compensation expense	170,000,000	168,000,000	164,000,000
Deferred income taxes	84,000,000	(331,000,000)	878,000,000
Excess tax benefits from share based payment arrangements	(56,000,000)	(42,000,000)	(13,000,000)
Other	108,000,000	289,000,000	27,000,000
Changes in assets and liabilities, net of the effects of acquisitions and divestitures:
Accounts, notes and other receivables	(119,000,000)	(316,000,000)	(688,000,000)
Inventories	25,000,000	(310,000,000)	(300,000,000)
Other current assets	(78,000,000)	25,000,000	(26,000,000)
Accounts payable	(13,000,000)	527,000,000	592,000,000
Accrued liabilities	(273,000,000)	(54,000,000)	548,000,000
Net cash provided by operating activities	3,517,000,000	2,833,000,000	4,203,000,000
Cash flows from investing activities:
Expenditures for property, plant and equipment	(884,000,000)	(798,000,000)	(651,000,000)
Proceeds from disposals of property, plant and equipment	5,000,000	6,000,000	14,000,000
Increase in investments	(702,000,000)	(380,000,000)	(453,000,000)
Decrease in investments	559,000,000	354,000,000	112,000,000
Cash paid for acquisitions, net of cash acquired	(438,000,000)	(973,000,000)	(1,303,000,000)
Proceeds from sales of businesses, net of fees paid	21,000,000	1,156,000,000	7,000,000
Other	11,000,000	24,000,000	5,000,000
Net cash used for investing activities	(1,428,000,000)	(611,000,000)	(2,269,000,000)
Cash flows from financing activities:
Net (decrease)/increase in commercial paper	(199,000,000)	300,000,000	1,000,000
Net increase/(decrease) in short-term borrowings	22,000,000	(2,000,000)	20,000,000
Payment of debt assumed with acquisitions	0	(33,000,000)	(326,000,000)
Proceeds from issuance of common stock	342,000,000	304,000,000	195,000,000
Proceeds from issuance of long-term debt	102,000,000	1,390,000,000	0
Payments of long-term debt	(1,000,000)	(939,000,000)	(1,006,000,000)
Excess tax benefits from share based payment arrangements	56,000,000	42,000,000	13,000,000
Repurchases of common stock	(317,000,000)	(1,085,000,000)	0
Cash dividends paid	(1,211,000,000)	(1,091,000,000)	(944,000,000)
Net cash used for financing activities	(1,206,000,000)	(1,114,000,000)	(2,047,000,000)
Effect of foreign exchange rate changes on cash and cash equivalents	53,000,000	(60,000,000)	(38,000,000)
Net increase/(decrease) in cash and cash equivalents	936,000,000	1,048,000,000	(151,000,000)
Cash and cash equivalents at beginning of period	3,698,000,000	2,650,000,000	2,801,000,000
Cash and cash equivalents at end of period	$ 4,634,000,000	$ 3,698,000,000	$ 2,650,000,000