| USD ($) $ in Millions | LTM | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 | Dec 31, 2015 | Dec 31, 2014 | Dec 31, 2013 | Dec 31, 2012 | Dec 31, 2011 | Dec 31, 2010 | Dec 31, 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||||||||||||
Net income | $ 7,034 | $ 4,772 | $ 5,740 | $ 5,672 | ||||||||||||||
Net income from discontinued operations | - | 304 | - | - | ||||||||||||||
Net income from continuing operations | - | 4,468 | - | - | ||||||||||||||
Less: Net income attributable to noncontrolling interest | - | - | 35 | 14 | ||||||||||||||
Net income attributable to Honeywell | - | - | 5,705 | 5,658 | ||||||||||||||
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities | ||||||||||||||||||
Depreciation | 198 | 546 | 671 | 659 | ||||||||||||||
Amortization | 713 | 842 | 663 | 517 | ||||||||||||||
Loss (gain) on sale of non-strategic businesses and assets | (347) | 18 | - | - | ||||||||||||||
Impairment of goodwill | 724 | 724 | - | - | ||||||||||||||
Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities: | ||||||||||||||||||
Depreciation and amortization | - | - | - | - | ||||||||||||||
Loss (gain) on sale of non-strategic businesses and assets | - | - | 1 | (5) | ||||||||||||||
Impairment of assets held for sale | 566 | 270 | 219 | - | ||||||||||||||
Loss (gain) on sale of nonstrategic businesses and assets | - | - | - | - | ||||||||||||||
Gain on sale of available for sale investments | - | - | - | - | ||||||||||||||
Repositioning and other (gains) charges | 249 | (167) | 244 | 860 | ||||||||||||||
Net payments for repositioning and other charges | (218) | (378) | (479) | (459) | ||||||||||||||
NARCO Buyout payment | 0 | 0 | 0 | (1,325) | ||||||||||||||
Resideo indemnification and reimbursement agreement termination payment | 0 | 1,590 | - | - | ||||||||||||||
Asbestos liabilities divestiture payment | (1,428) | (1,428) | - | - | ||||||||||||||
Pension and other postretirement income | (277) | (396) | (476) | (406) | ||||||||||||||
Pension and other postretirement benefit payments | (10) | (20) | (32) | (38) | ||||||||||||||
Stock compensation expense | 224 | 196 | 194 | 202 | ||||||||||||||
Deferred income taxes | 651 | 18 | (233) | 153 | ||||||||||||||
Reimbursement receivables charge | - | - | - | - | ||||||||||||||
Excess tax benefits from share based payment arrangements | - | - | - | - | ||||||||||||||
Other | 482 | 144 | (617) | (837) | ||||||||||||||
Changes in assets and liabilities, net of the effects of acquisitions and divestitures | ||||||||||||||||||
Accounts receivable | (336) | (825) | (96) | (42) | ||||||||||||||
Accounts, notes and other receivables | - | - | - | - | ||||||||||||||
Inventories | (82) | (636) | (304) | (626) | ||||||||||||||
Other current assets | (240) | (233) | 371 | 17 | ||||||||||||||
Accounts payable | 358 | 724 | 95 | 518 | ||||||||||||||
Accrued liabilities | 1,298 | 1,325 | 171 | 494 | ||||||||||||||
Income taxes | (451) | (707) | - | - | ||||||||||||||
Net cash provided by operating activities from continuing operations | - | 6,075 | - | - | ||||||||||||||
Net cash provided by operating activities from discontinued operations | - | 333 | - | - | ||||||||||||||
Increase (Decrease) in Operating Assets [Abstract] | ||||||||||||||||||
Increase (Decrease) in Operating Liabilities [Abstract] | ||||||||||||||||||
Net cash provided by operating activities | 1,947 | 6,408 | 6,097 | 5,340 | ||||||||||||||
Cash flows from investing activities | ||||||||||||||||||
Capital expenditures | (427) | (986) | (1,164) | (1,039) | ||||||||||||||
Proceeds from disposals of property, plant and equipment | - | 31 | 0 | 43 | ||||||||||||||
Increase in investments | (1,209) | (1,503) | (1,077) | (560) | ||||||||||||||
Decrease in investments | 1,149 | 1,469 | 870 | 971 | ||||||||||||||
Receipts from Garrett Motion Inc. | - | - | 0 | 0 | ||||||||||||||
(Payments) receipts from settlements of derivative contracts | 127 | (399) | 94 | 6 | ||||||||||||||
Cash paid for acquisitions, net of cash acquired | (1,774) | (2,211) | (8,880) | (718) | ||||||||||||||
Proceeds from sales of businesses, net of fees paid | 1,454 | 1,157 | 0 | 4 | ||||||||||||||
Net cash used for investing activities from continuing operations | - | (2,442) | - | - | ||||||||||||||
Net cash used for investing activities from discontinued operations | - | (269) | - | - | ||||||||||||||
Other | - | - | - | - | ||||||||||||||
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | ||||||||||||||||||
Payments for (Proceeds from) Productive Assets [Abstract] | ||||||||||||||||||
Payments for (Proceeds from) Businesses and Interest in Affiliates [Abstract] | ||||||||||||||||||
Net cash used for investing activities | (1,816) | (2,711) | (10,157) | (1,293) | ||||||||||||||
Cash flows from financing activities | ||||||||||||||||||
Proceeds from issuance of commercial paper and other short-term borrowings | 17,539 | 24,297 | 13,838 | 12,991 | ||||||||||||||
Payments of commercial paper and other short-term borrowings | (21,986) | (22,815) | (11,578) | (13,663) | ||||||||||||||
Net (decrease) increase in commercial paper and other short-term borrowings | - | - | - | - | ||||||||||||||
Net increase (decrease) in commercial paper | - | - | - | - | ||||||||||||||
Net increase in commercial paper and other short-term borrowings | - | - | - | - | ||||||||||||||
Payment of debt assumed with acquisitions | - | - | - | - | ||||||||||||||
Proceeds from issuance of common stock | 343 | 237 | 537 | 196 | ||||||||||||||
Proceeds from issuance of long-term debt | 0 | 4,035 | 10,408 | 2,986 | ||||||||||||||
Payments of long-term debt | (16,042) | (2,909) | (1,812) | (1,731) | ||||||||||||||
Excess tax benefits from share based payment arrangements | - | - | - | - | ||||||||||||||
Repurchases of common stock | (1,100) | (3,804) | (1,655) | (3,715) | ||||||||||||||
Repurchases of common stock | - | - | - | - | ||||||||||||||
Cash dividends paid | (2,578) | (2,976) | (2,902) | (2,855) | ||||||||||||||
Pre-separation funding | - | 1,962 | - | - | ||||||||||||||
Payments to purchase the noncontrolling interest | - | - | - | - | ||||||||||||||
Pre-spin borrowing | - | - | - | - | ||||||||||||||
Spin-off cash | - | (449) | - | - | ||||||||||||||
AdvanSix pre-separation funding | - | - | - | - | ||||||||||||||
AdvanSix pre-spin borrowing | - | - | - | - | ||||||||||||||
AdvanSix cash at spinoff | - | - | - | - | ||||||||||||||
Other | 146 | 469 | 3 | 28 | ||||||||||||||
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | ||||||||||||||||||
Proceeds from (Repayments of) Debt [Abstract] | ||||||||||||||||||
Proceeds from (Repayments of) Long-term Debt and Capital Securities [Abstract] | ||||||||||||||||||
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities [Abstract] | ||||||||||||||||||
Proceeds from (Repurchase of) Equity [Abstract] | ||||||||||||||||||
Payments of Dividends [Abstract] | ||||||||||||||||||
Net cash (used for) provided by financing activities | (7,330) | (1,953) | 6,839 | (5,763) | ||||||||||||||
Effect of foreign exchange rate changes on cash and cash equivalents | (37) | 176 | (137) | 14 | ||||||||||||||
Net increase (decrease) in cash and cash equivalents | $ (7,236) | $ 1,920 | $ 2,642 | $ (1,702) |