Name:	hon_AcquisitionsParagraphDetailsLineItems
Namespace Prefix:	hon
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the per share cash price of acquisition

+ Details

Name:	hon_BusinessAcquisitionPerSharePurchasePrice
Namespace Prefix:	hon
Data Type:	us-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated pre-tax gain on sale

+ Details

Name:	hon_DiscontinuedOperationEstimatedGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Estimated gain on sale, net of tax

+ Details

Name:	hon_DiscontinuedOperationEstimatedGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sale price of discontinued operations

+ Details

Name:	hon_DiscontinuedOperationsSalePrice
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The net amount of other nonoperating income and expense, which does not qualify for separate disclosure on the income statement under materiality guidelines related to discontinued operation

+ Details

Name:	hon_DisposalGroupIncludingDiscontinuedOpearationOtherNonoperatingExpense
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents costs and other expenses related to discontinued operations

+ Details

Name:	hon_DisposalGroupIncludingDiscontinuedOperationCostsExpensesAndOther
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	hon_DisposalGroupIncludingDiscontinuedOperationIncomeStatementDisclosuresAbstract
Namespace Prefix:	hon
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. related to discontinued operations

+ Details

Name:	hon_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense
Namespace Prefix:	hon
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	hon_DivestituresParagraphDetailsLineItems
Namespace Prefix:	hon
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d

+ Details

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Month, day and year when the business acquisition agreement was executed.

+ Details

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement
Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Name of the acquired entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph a

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph a

+ Details

Name:	us-gaap_BusinessAcquisitionNameOfAcquiredEntity
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ Details

Name:	us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Pretax income (loss) from operations of a business component (exclusive of any gain or loss on disposal, or provision therefore) during the reporting period, until its disposal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 43

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 47
-Subparagraph c

+ Details

Name:	us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Income tax expense (benefit) attributable to income (loss) from discontinued operations during the phase-out period.

+ References

+ Details

Name:	us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 47
-Subparagraph c

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents the overall income (loss) from a disposal group apportioned to the parent that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items and the cumulative effect of accounting changes after deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 29

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 28

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph b(2)

+ Details

Name:	us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Acquisitions and Divestitures (Details) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Sep. 30, 2011
Disposal Group Including Discontinued Operation Income Statement Disclosures Abstract
Income from discontinuing operations, net of income taxes	$ 14	$ 16	$ 32	$ 34
EMS [Member]
Acquisitions Paragraph Details [Line Items]
Business Acquisition, Date of Acquisition Agreement					June 2011
Business Acquisition, Name of Acquired Entity					EMS Technologies, Inc.
Business Acquisition Per Share Purchase Price					$ 33
Business Acquisition, Cost of Acquired Entity, Purchase Price					491
Business Acquisition Revenue Reported By Acquired Entity For Last Annual Period					355
Consumer Products Group [Member]
Divestitures Paragraph Details [Line Items]
Sale price (cash and noncash)					950
Estimated pre-tax gain on sale					300
Estimated gain on sale, net of tax					150
Disposal Group Including Discontinued Operation Income Statement Disclosures Abstract
Net sales	234	235	470	475
Costs, expenses and other	184	182	370	373
Selling, general and administrative expense	28	27	49	48
Other expense	1	1	1	1
Income before taxes	21	25	50	53
Tax expense	7	9	18	19
Income from discontinuing operations, net of income taxes	$ 14	$ 16	$ 32	$ 34