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PENSION AND OTHER POSTRETIREMENT BENEFITS 3 (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Other Postretirement Benefits [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | $ 0 | $ 0 |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | $ 0 | $ 0
UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 17,109,000,000 | 18,985,000,000 |  |
Fair value of plan assets at end of year | 18,995,000,000 | 17,109,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 18,995,000,000 | 18,985,000,000 | 18,995,000,000 | 17,109,000,000
Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 6,481,000,000 | 7,151,000,000 |  |
Fair value of plan assets at end of year | 7,307,000,000 | 6,481,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 6,481,000,000 | 6,481,000,000 | 7,307,000,000 | 6,481,000,000
Honeywell common stock | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 2,438,000,000 |  |  |
Fair value of plan assets at end of year | 2,857,000,000 | 2,438,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 2,438,000,000 | 2,438,000,000 | 2,857,000,000 | 2,438,000,000
U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,365,000,000 |  |  |
Fair value of plan assets at end of year | 1,227,000,000 | 1,365,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,365,000,000 | 1,365,000,000 | 1,227,000,000 | 1,365,000,000
U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 429,000,000 |  |  |
Fair value of plan assets at end of year | 149,000,000 | 429,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 429,000,000 | 429,000,000 | 149,000,000 | 429,000,000
Non-U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 753,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 753,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 753,000,000 | 753,000,000 | 0 | 753,000,000
Non-U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,356,000,000 |  |  |
Fair value of plan assets at end of year | 1,384,000,000 | 1,356,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,356,000,000 | 1,356,000,000 | 1,384,000,000 | 1,356,000,000
Real estate investment trusts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 244,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 244,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 244,000,000 | 244,000,000 | 0 | 244,000,000
Short Term investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 877,000,000 |  |  |
Fair value of plan assets at end of year | 1,395,000,000 | 877,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 877,000,000 | 877,000,000 | 1,395,000,000 | 877,000,000
Short Term investments [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 189,000,000 |  |  |
Fair value of plan assets at end of year | 522,000,000 | 189,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 189,000,000 | 189,000,000 | 522,000,000 | 189,000,000
Government securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 993,000,000 |  |  |
Fair value of plan assets at end of year | 1,146,000,000 | 993,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 993,000,000 | 993,000,000 | 1,146,000,000 | 993,000,000
Government securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 2,572,000,000 |  |  |
Fair value of plan assets at end of year | 3,006,000,000 | 2,572,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 2,572,000,000 | 2,572,000,000 | 3,006,000,000 | 2,572,000,000
Corporate bonds | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 6,824,000,000 |  |  |
Fair value of plan assets at end of year | 8,603,000,000 | 6,824,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 6,824,000,000 | 6,824,000,000 | 8,603,000,000 | 6,824,000,000
Corporate bonds | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,468,000,000 |  |  |
Fair value of plan assets at end of year | 1,746,000,000 | 1,468,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,468,000,000 | 1,468,000,000 | 1,746,000,000 | 1,468,000,000
Mortgage/Asset-backed securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,032,000,000 |  |  |
Fair value of plan assets at end of year | 1,023,000,000 | 1,032,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,032,000,000 | 1,032,000,000 | 1,023,000,000 | 1,032,000,000
Mortgage/Asset-backed securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 60,000,000 |  |  |
Fair value of plan assets at end of year | 84,000,000 | 60,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 60,000,000 | 60,000,000 | 84,000,000 | 60,000,000
Insurance contracts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 8,000,000 |  |  |
Fair value of plan assets at end of year | 8,000,000 | 8,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 8,000,000 | 8,000,000 | 8,000,000 | 8,000,000
Insurance contracts | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 137,000,000 |  |  |
Fair value of plan assets at end of year | 120,000,000 | 137,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 137,000,000 | 137,000,000 | 120,000,000 | 137,000,000
Private Funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 46,000,000 |  |  |
Fair value of plan assets at end of year | 69,000,000 | 46,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 46,000,000 | 46,000,000 | 69,000,000 | 46,000,000
Real Estate Funds - Global [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 144,000,000 |  |  |
Fair value of plan assets at end of year | 150,000,000 | 144,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 144,000,000 | 144,000,000 | 150,000,000 | 144,000,000
Direct Private Investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 829,000,000 |  |  |
Fair value of plan assets at end of year | 950,000,000 | 829,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 829,000,000 | 829,000,000 | 950,000,000 | 829,000,000
Real Estate Properties [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 657,000,000 |  |  |
Fair value of plan assets at end of year | 619,000,000 | 657,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 657,000,000 | 657,000,000 | 619,000,000 | 657,000,000
Total plan assets, excluding NAV assets [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 16,020,000,000 |  |  |
Fair value of plan assets at end of year | 17,828,000,000 | 16,020,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 16,020,000,000 | 16,020,000,000 | 17,828,000,000 | 16,020,000,000
Total plan assets, excluding NAV assets [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 6,401,000,000 |  |  |
Fair value of plan assets at end of year | 7,230,000,000 | 6,401,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 6,401,000,000 | 6,401,000,000 | 7,230,000,000 | 6,401,000,000
NAV assets, Private funds [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 931,000,000 |  |  |
Fair value of plan assets at end of year | 1,019,000,000 | 931,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 931,000,000 | 931,000,000 | 1,019,000,000 | 931,000,000
NAV assets, Private funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 26,000,000 |  |  |
Fair value of plan assets at end of year | 21,000,000 | 26,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 26,000,000 | 26,000,000 | 21,000,000 | 26,000,000
NAV assets, Real estate funds [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 56,000,000 |  |  |
Fair value of plan assets at end of year | 42,000,000 | 56,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 56,000,000 | 56,000,000 | 42,000,000 | 56,000,000
NAV assets, Real estate funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 54,000,000 |  |  |
Fair value of plan assets at end of year | 56,000,000 | 54,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 54,000,000 | 54,000,000 | 56,000,000 | 54,000,000
NAV assets, Hedge funds [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 1,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,000,000 | 1,000,000 | 0 | 1,000,000
NAV Assets Comingled Funds [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 101,000,000 |  |  |
Fair value of plan assets at end of year | 106,000,000 | 101,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 101,000,000 | 101,000,000 | $ 106,000,000 | 101,000,000
Equity Securities [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 25.00% |
Equity Securities [Member] | Maximum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 40.00% |
Fixed Income Securities [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 55.00% |
Fixed Income Securities [Member] | Maximum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 70.00% |
Real Estate [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 5.00% |
Real Estate [Member] | Maximum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 10.00% |
Other than Securities Investment [Member] | Minimum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 10.00% |
Other than Securities Investment [Member] | Maximum [Member] |  |  |  |
Defined Benefit Plan Plans With Benefit Obligations In Excess of Plan Assets Paragraph Details [Line Items] |  |  |  |
Target allocations percentage |  |  | 20.00% |
Fair Value, Inputs, Level 1 [Member] | Honeywell common stock | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 2,438,000,000 |  |  |
Fair value of plan assets at end of year | 2,857,000,000 | 2,438,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 2,438,000,000 | 2,438,000,000 | $ 2,857,000,000 | 2,438,000,000
Fair Value, Inputs, Level 1 [Member] | U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,365,000,000 |  |  |
Fair value of plan assets at end of year | 1,227,000,000 | 1,365,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,365,000,000 | 1,365,000,000 | 1,227,000,000 | 1,365,000,000
Fair Value, Inputs, Level 1 [Member] | U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 297,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 297,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 297,000,000 | 297,000,000 | 0 | 297,000,000
Fair Value, Inputs, Level 1 [Member] | Non-U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 753,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 753,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 753,000,000 | 753,000,000 | 0 | 753,000,000
Fair Value, Inputs, Level 1 [Member] | Non-U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 44,000,000 |  |  |
Fair value of plan assets at end of year | 54,000,000 | 44,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 44,000,000 | 44,000,000 | 54,000,000 | 44,000,000
Fair Value, Inputs, Level 1 [Member] | Real estate investment trusts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 244,000,000 |  |  |
Fair value of plan assets at end of year | 0 | 244,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 244,000,000 | 244,000,000 | 0 | 244,000,000
Fair Value, Inputs, Level 1 [Member] | Short Term investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 877,000,000 |  |  |
Fair value of plan assets at end of year | 1,395,000,000 | 877,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 877,000,000 | 877,000,000 | 1,395,000,000 | 877,000,000
Fair Value, Inputs, Level 1 [Member] | Short Term investments [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 189,000,000 |  |  |
Fair value of plan assets at end of year | 522,000,000 | 189,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 189,000,000 | 189,000,000 | 522,000,000 | 189,000,000
Fair Value, Inputs, Level 1 [Member] | Government securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Government securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Corporate bonds | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Corporate bonds | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Mortgage/Asset-backed securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Mortgage/Asset-backed securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Insurance contracts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Insurance contracts | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Private Funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Real Estate Funds - Global [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Direct Private Investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Real Estate Properties [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Total plan assets, excluding NAV assets [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 5,677,000,000 |  |  |
Fair value of plan assets at end of year | 5,479,000,000 | 5,677,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 5,677,000,000 | 5,677,000,000 | 5,479,000,000 | 5,677,000,000
Fair Value, Inputs, Level 1 [Member] | Total plan assets, excluding NAV assets [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 530,000,000 |  |  |
Fair value of plan assets at end of year | 576,000,000 | 530,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 530,000,000 | 530,000,000 | 576,000,000 | 530,000,000
Fair Value, Inputs, Level 2 [Member] | Honeywell common stock | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 132,000,000 |  |  |
Fair value of plan assets at end of year | 149,000,000 | 132,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 132,000,000 | 132,000,000 | 149,000,000 | 132,000,000
Fair Value, Inputs, Level 2 [Member] | Non-U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Non-U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,312,000,000 |  |  |
Fair value of plan assets at end of year | 1,330,000,000 | 1,312,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,312,000,000 | 1,312,000,000 | 1,330,000,000 | 1,312,000,000
Fair Value, Inputs, Level 2 [Member] | Real estate investment trusts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Short Term investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Short Term investments [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Government securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 993,000,000 |  |  |
Fair value of plan assets at end of year | 1,146,000,000 | 993,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 993,000,000 | 993,000,000 | 1,146,000,000 | 993,000,000
Fair Value, Inputs, Level 2 [Member] | Government securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 2,572,000,000 |  |  |
Fair value of plan assets at end of year | 3,006,000,000 | 2,572,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 2,572,000,000 | 2,572,000,000 | 3,006,000,000 | 2,572,000,000
Fair Value, Inputs, Level 2 [Member] | Corporate bonds | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 6,824,000,000 |  |  |
Fair value of plan assets at end of year | 8,603,000,000 | 6,824,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 6,824,000,000 | 6,824,000,000 | 8,603,000,000 | 6,824,000,000
Fair Value, Inputs, Level 2 [Member] | Corporate bonds | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,468,000,000 |  |  |
Fair value of plan assets at end of year | 1,746,000,000 | 1,468,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,468,000,000 | 1,468,000,000 | 1,746,000,000 | 1,468,000,000
Fair Value, Inputs, Level 2 [Member] | Mortgage/Asset-backed securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,032,000,000 |  |  |
Fair value of plan assets at end of year | 1,023,000,000 | 1,032,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,032,000,000 | 1,032,000,000 | 1,023,000,000 | 1,032,000,000
Fair Value, Inputs, Level 2 [Member] | Mortgage/Asset-backed securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 60,000,000 |  |  |
Fair value of plan assets at end of year | 84,000,000 | 60,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 60,000,000 | 60,000,000 | 84,000,000 | 60,000,000
Fair Value, Inputs, Level 2 [Member] | Insurance contracts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 8,000,000 |  |  |
Fair value of plan assets at end of year | 8,000,000 | 8,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 8,000,000 | 8,000,000 | 8,000,000 | 8,000,000
Fair Value, Inputs, Level 2 [Member] | Insurance contracts | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 137,000,000 |  |  |
Fair value of plan assets at end of year | 120,000,000 | 137,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 137,000,000 | 137,000,000 | 120,000,000 | 137,000,000
Fair Value, Inputs, Level 2 [Member] | Private Funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 12,000,000 |  |  |
Fair value of plan assets at end of year | 35,000,000 | 12,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 12,000,000 | 12,000,000 | 35,000,000 | 12,000,000
Fair Value, Inputs, Level 2 [Member] | Real Estate Funds - Global [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Direct Private Investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Real Estate Properties [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Total plan assets, excluding NAV assets [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 8,857,000,000 |  |  |
Fair value of plan assets at end of year | 10,780,000,000 | 8,857,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 8,857,000,000 | 8,857,000,000 | 10,780,000,000 | 8,857,000,000
Fair Value, Inputs, Level 2 [Member] | Total plan assets, excluding NAV assets [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 5,693,000,000 |  |  |
Fair value of plan assets at end of year | 6,470,000,000 | 5,693,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 5,693,000,000 | 5,693,000,000 | 6,470,000,000 | 5,693,000,000
Fair Value, Inputs, Level 3 [Member] | Honeywell common stock | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Non-U.S. equities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Non-U.S. equities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Real estate investment trusts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Short Term investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Short Term investments [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Government securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Government securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Corporate bonds | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Corporate bonds | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mortgage/Asset-backed securities | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mortgage/Asset-backed securities | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Insurance contracts | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Insurance contracts | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 0 |  |  |
Fair value of plan assets at end of year | 0 | 0 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 0 | 0 | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Private Funds [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 34,000,000 | 31,000,000 |  |
Relating to assets still held at year-end |  |  | 0 | 1,000,000
Relating to assets sold during the year | 0 | 0 |  |
Purchases | 0 | 2,000,000 |  |
Sales and settlements | 0 | 0 |  |
Fair value of plan assets at end of year | 34,000,000 | 34,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 34,000,000 | 34,000,000 | 34,000,000 | 34,000,000
Fair Value, Inputs, Level 3 [Member] | Real Estate Funds - Global [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 144,000,000 | 149,000,000 |  |
Relating to assets still held at year-end |  |  | 7,000,000 | (4,000,000)
Relating to assets sold during the year | 1,000,000 | 0 |  |
Purchases | 0 | 0 |  |
Sales and settlements | (2,000,000) | (1,000,000) |  |
Fair value of plan assets at end of year | 150,000,000 | 144,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 150,000,000 | 144,000,000 | 150,000,000 | 144,000,000
Fair Value, Inputs, Level 3 [Member] | Direct Private Investments [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 829,000,000 | 752,000,000 |  |
Relating to assets still held at year-end |  |  | 15,000,000 | 36,000,000
Relating to assets sold during the year | 89,000,000 | 65,000,000 |  |
Purchases | 216,000,000 | 95,000,000 |  |
Sales and settlements | (199,000,000) | (119,000,000) |  |
Fair value of plan assets at end of year | 950,000,000 | 829,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 829,000,000 | 829,000,000 | 950,000,000 | 829,000,000
Fair Value, Inputs, Level 3 [Member] | Real Estate Properties [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 657,000,000 | 597,000,000 |  |
Relating to assets still held at year-end |  |  | 40,000,000 | 33,000,000
Relating to assets sold during the year | (23,000,000) | 2,000,000 |  |
Purchases | 48,000,000 | 47,000,000 |  |
Sales and settlements | (103,000,000) | (22,000,000) |  |
Fair value of plan assets at end of year | 619,000,000 | 657,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 657,000,000 | 597,000,000 | 619,000,000 | 657,000,000
Fair Value, Inputs, Level 3 [Member] | Total plan assets, excluding NAV assets [Member] | UNITED STATES |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 1,486,000,000 |  |  |
Fair value of plan assets at end of year | 1,569,000,000 | 1,486,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | 1,486,000,000 | 1,486,000,000 | 1,569,000,000 | 1,486,000,000
Fair Value, Inputs, Level 3 [Member] | Total plan assets, excluding NAV assets [Member] | Foreign Plan [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of plan assets at beginning of year | 178,000,000 |  |  |
Fair value of plan assets at end of year | 184,000,000 | 178,000,000 |  |
Defined Benefit Plan Disclosure [Abstract] |  |  |  |
Fair value of pension plan assets | $ 178,000,000 | $ 178,000,000 | $ 184,000,000 | $ 178,000,000

X
- Definition Realized gains/(losses)of defined benefit pension plan + References No definition available. + Details
Name: | hon_DefinedBenefitPensionPlanRealizedGainsLossesDuringPeriod
Namespace Prefix: | hon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
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