UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Selected Quarterly Financial Information Abstract
Net sales	$ 10,387	$ 9,647	$ 9,693	$ 9,328	$ 9,581	$ 9,342	$ 9,435	$ 9,307	$ 39,055	$ 37,665	$ 36,529
Gross Profit	2,775	2,705	2,666	2,545	1,900	2,534	2,513	2,427	10,691	9,374
Net income attributable to Honeywell	$ 947	$ 990	$ 1,021	$ 966	$ 251	$ 950	$ 902	$ 823	$ 3,924	$ 2,926	$ 2,067
Earnings per share: Basic, Total	$ 1.20	$ 1.26	$ 1.30	$ 1.23	$ 0.32	$ 1.21	$ 1.15	$ 1.06	$ 4.99	$ 3.74	$ 2.65
Earnings per share - Assuming dilution, Total	$ 1.19	$ 1.24	$ 1.28	$ 1.21	$ 0.32	$ 1.20	$ 1.14	$ 1.04	$ 4.92	$ 3.69	$ 2.61
Dividends paid per share	$ 0.4510	$ 0.4100	$ 0.4100	$ 0.4100	$ 0.4100	$ 0.3725	$ 0.3725	$ 0.3725	$ 1.68	$ 1.53	$ 1.37
Market Price [Abstract]
Market price per share high	$ 91.37	$ 86.79	$ 80.85	$ 75.48	$ 64.29	$ 61.72	$ 61.29	$ 61.78	$ 91.37	$ 64.29
Market price per share low	$ 81.45	$ 77.88	$ 71.47	$ 64.75	$ 59.15	$ 53.60	$ 52.92	$ 55.18	$ 64.75	$ 52.92