CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income	$ 6,828,000,000	$ 1,588,000,000	$ 4,849,000,000
Less: Net income attributable to the noncontrolling interest	63,000,000	43,000,000	37,000,000
Net income attributable to Honeywell	6,765,000,000	1,545,000,000	4,812,000,000
Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities:
Depreciation	721,000,000	717,000,000	726,000,000
Amortization	395,000,000	398,000,000	304,000,000
{Gain) loss on sale of non-strategic businesses and assets	0	7,000,000	(178,000,000)
Repositioning and other charges	1,091,000,000	973,000,000	690,000,000
Net payments for repositioning and other charges	(652,000,000)	(628,000,000)	(625,000,000)
Pension and other postretirement (income) expense	(987,000,000)	(647,000,000)	(360,000,000)
Pension and other postretirement benefit payments	(80,000,000)	(106,000,000)	(143,000,000)
Stock compensation expense	175,000,000	176,000,000	184,000,000
Deferred income taxes	(586,000,000)	2,452,000,000	78,000,000
Other	(694,000,000)	1,642,000,000	194,000,000
Changes in assets and liabilities, net of the effects of acquisitions and divestitures:
Accounts receivable	(236,000,000)	(682,000,000)	(547,000,000)
Inventories	(503,000,000)	(259,000,000)	(18,000,000)
Other current assets	218,000,000	(568,000,000)	(106,000,000)
Accounts payable	733,000,000	924,000,000	254,000,000
Accrued liabilities	74,000,000	22,000,000	233,000,000
Net cash provided by operating activities	6,434,000,000	5,966,000,000	5,498,000,000
Cash flows from investing activities:
Expenditures for property, plant and equipment	(828,000,000)	(1,031,000,000)	(1,095,000,000)
Proceeds from disposals of property, plant and equipment	15,000,000	86,000,000	21,000,000
Increase in investments	(4,059,000,000)	(6,743,000,000)	(3,954,000,000)
Decrease in investments	6,032,000,000	4,414,000,000	3,681,000,000
Cash paid for acquisitions, net of cash acquired	(535,000,000)	(82,000,000)	(2,573,000,000)
Proceeds from sales of businesses, net of fees paid	0	0	296,000,000
Other	402,000,000	(218,000,000)	282,000,000
Net cash provided by (used for) investing activities	1,027,000,000	(3,574,000,000)	(3,342,000,000)
Cash flows from financing activities:
Proceeds from issuance of commercial paper and other short-term borrowings	23,891,000,000	13,701,000,000	18,997,000,000
Payments of commercial paper and other short-term borrowings	(24,095,000,000)	(13,532,000,000)	(21,461,000,000)
Proceeds from issuance of common stock	267,000,000	520,000,000	409,000,000
Proceeds from issuance of long-term debt	27,000,000	1,238,000,000	9,245,000,000
Payments of long-term debt	(1,330,000,000)	(292,000,000)	(2,839,000,000)
Repurchases of common stock	(4,000,000,000)	(2,889,000,000)	(2,079,000,000)
Cash dividends paid	(2,272,000,000)	(2,119,000,000)	(1,915,000,000)
Payments to purchase the noncontrolling interest	0	0	(238,000,000)
Pre-separation funding	2,801,000,000	0	269,000,000
Pre-spin borrowing	0	0	38,000,000
Spin-off cash	(179,000,000)	0	(38,000,000)
Other	(142,000,000)	(143,000,000)	(42,000,000)
Net cash (used for) provided by financing activities	(5,032,000,000)	(3,516,000,000)	346,000,000
Effect of foreign exchange rate changes on cash and cash equivalents	(201,000,000)	340,000,000	(114,000,000)
Net increase (decrease) in cash and cash equivalents	2,228,000,000	(784,000,000)	2,388,000,000
Cash and cash equivalents at beginning of period	7,059,000,000	7,843,000,000	5,455,000,000
Cash and cash equivalents at end of period	$ 9,287,000,000	$ 7,059,000,000	$ 7,843,000,000