COMMITMENTS AND CONTINGENCIES 4 (Details) - Narco Asbestos Loss Contingency Liability [Member] $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Loss Contingency By Nature Of Contingency [Line Items]
Annual Trust Cap	$ 145
Cash Dividends Paid by Third-Party	$ 47

Cash dividends paid to NARCO Trust from Harbison-Walker International Inc. (HWI) per the Trust Agreement

No definition available.

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Namespace Prefix:	hon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration