Amount of cash received by Honeywell in accordance with the Confirmed Plan.

No definition available.

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

- Definition

Garrett Bankruptcy Proposals

+ References

No definition available.

+ Details

Name:	hon_GarrettBankruptcyProposalsLineItems
Namespace Prefix:	hon_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum amount of Garrett’s consolidated Earnings before interest, taxes, depreciation and amortization as of the end of the most recently completed fiscal year that will trigger a non-payment of the mandatory redemption and cause the redemption amounts past due to accrue interest.

+ References

No definition available.

+ Details

Name:	hon_GarrettMinimumEBITDA
Namespace Prefix:	hon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The present value reflects amortized cost determined by the present value of the mandatory redemptions discounted at 7.25%, which is the rate reflected in the Series B Preferred Stock Certificate of Designation.

+ References

No definition available.

+ Details

Name:	hon_MandatoryRedemptionDiscountRate
Namespace Prefix:	hon_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column B))
-URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010

+ Details

Name:	us-gaap_InvestmentOwnedBalanceShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value.

+ References

+ Details

Name:	us-gaap_LongTermInvestmentsAndReceivablesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.27(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21564-112644

+ Details

Name:	us-gaap_PreferredStockRedemptionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(5))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(g))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_ShortTermInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SecuritiesInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hon_GarrettBankruptcyProposalsAxis=hon_TheConfirmedPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hon_TimingOfPaymentsUnderTheConfirmedPlanAxis=hon_YearOneAfterEffectiveDateOfPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hon_TimingOfPaymentsUnderTheConfirmedPlanAxis=hon_PaymentOverTimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hon_IndemnificationAndReimbursementAgreementAxis=hon_GarrettIndemnityAndTaxMattersAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	hon_TimingOfPaymentsUnderTheConfirmedPlanAxis=hon_InitialPaymentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENCIES 9 (Details) shares in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Cash Received By Honeywell	$ 375,000,000	$ 0
Short-term Investments	1,049,000,000			$ 945,000,000
Investments and long-term receivables	1,243,000,000			$ 685,000,000
Series B Preferred Stock [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Short-term Investments	$ 242,000,000
Mandatory Redemption Discount Rate	0.0725
Common Class A [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Investment Owned, Balance, Shares \| shares	2,900
Series B Preferred Stock, Series A Preferred Stock and Common Stock investments in Garrett [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Investments and long-term receivables	$ 405,000,000
The Confirmed Plan [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Garrett Minimum EBITDA	$ 425,000,000
The Confirmed Plan [Member] \| Series B Preferred Stock [Member] \| Forecast [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Long-term investment			$ 400,000,000
The Confirmed Plan [Member] \| Series A Preferred Stock [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Investment Owned, Balance, Shares \| shares	4,200
The Confirmed Plan [Member] \| 2022 [Member] \| Series B Preferred Stock [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Preferred Stock, Redemption Amount	$ 35,000,000
The Confirmed Plan [Member] \| 2023 to 2030 [Member] \| Series B Preferred Stock [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Preferred Stock, Redemption Amount	100,000,000
The Confirmed Plan [Member] \| Garrett Indemnity and Tax Matters Agreement [Member] \| Initial Payment [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Cash Received By Honeywell	$ 375,000,000
The Confirmed Plan [Member] \| Garrett Indemnity and Tax Matters Agreement [Member] \| Initial Payment [Member] \| Series B Preferred Stock [Member]
Garrett Litigation and Bankruptcy Proceedings [Line Items]
Investment Owned, Balance, Shares \| shares	834,800