| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating Activities: | ||||||||||||||||||
Net income attributable to common shareowners | - | - | - | - | ||||||||||||||
Noncontrolling interest in subsidiaries' earnings | - | - | - | - | ||||||||||||||
Net income attributable to common shareholders | 8,827 | 7,069 | - | - | ||||||||||||||
Less: Net income from discontinued operations | - | - | - | - | ||||||||||||||
Net income from continuing operations | - | - | 5,013 | 3,380 | ||||||||||||||
Adjustments to reconcile net income to net cash flows provided by operating activities: | ||||||||||||||||||
Depreciation and amortization | 4,377 | 4,378 | 4,364 | 4,211 | ||||||||||||||
Deferred income tax provision (benefit) | 251 | 789 | (47) | (402) | ||||||||||||||
Stock compensation cost | 637 | 519 | 437 | 425 | ||||||||||||||
Net periodic pension and other postretirement income | - | (1,011) | (1,326) | (1,555) | ||||||||||||||
Share-based 401(k) matching contributions | 612 | 573 | - | - | ||||||||||||||
Gain on sale of Cybersecurity, Intelligence and Services (CIS) business, net of transaction costs (Note 2) | - | 0 | (415) | - | ||||||||||||||
Debt extinguishment costs | - | - | - | 0 | ||||||||||||||
Goodwill impairment charge | - | - | - | - | ||||||||||||||
Portfolio separation tax cost | - | - | - | - | ||||||||||||||
Gain on sale of Taylor Company | - | - | - | - | ||||||||||||||
Canadian Government Settlement | - | - | - | - | ||||||||||||||
Change in: | ||||||||||||||||||
Accounts receivable | (1,370) | (3,235) | (175) | (1,805) | ||||||||||||||
Contract assets | (2,703) | (2,643) | (2,414) | (753) | ||||||||||||||
Inventory | (1,203) | (532) | (1,474) | (1,104) | ||||||||||||||
Other current assets | (1,050) | (1,055) | (402) | (1,161) | ||||||||||||||
Accounts payable and accrued liabilities | 4,075 | 3,418 | 1,508 | 4,016 | ||||||||||||||
Contract liabilities | 756 | 2,773 | 1,872 | 2,322 | ||||||||||||||
Other operating activities, net | 201 | (476) | 218 | 309 | ||||||||||||||
Net cash flows provided by operating activities | 12,435 | 10,567 | 7,159 | 7,883 | ||||||||||||||
Income Taxes | - | - | - | - | ||||||||||||||
Global pension contributions | - | - | - | - | ||||||||||||||
Other operating activities, net | - | - | - | - | ||||||||||||||
Investing Activities: | ||||||||||||||||||
Capital expenditures | (2,934) | (2,627) | (2,625) | (2,415) | ||||||||||||||
Payments on customer financing assets | (233) | (233) | (218) | (117) | ||||||||||||||
Receipts from customer financing assets | 161 | 161 | 202 | 212 | ||||||||||||||
Investments in businesses | - | - | 0 | 0 | ||||||||||||||
Cash acquired in Raytheon merger | - | - | - | - | ||||||||||||||
Dispositions of businesses, net of cash transferred | 743 | 1,931 | 1,795 | 6 | ||||||||||||||
Proceeds from the sale of the investment in Watsco Inc. | - | - | - | - | ||||||||||||||
Increase in other intangible assets | (374) | (492) | (611) | (751) | ||||||||||||||
Receipts (payments) from settlements of derivative contracts, net | (61) | 118 | (142) | 14 | ||||||||||||||
Other investing activities, net | (260) | (123) | 65 | 12 | ||||||||||||||
Net cash flows used in investing activities | (2,958) | (1,265) | (1,534) | (3,039) | ||||||||||||||
Financing Activities: | ||||||||||||||||||
Proceeds from long-term debt | 0 | 0 | 0 | 12,914 | ||||||||||||||
Distribution from discontinued operations | - | - | - | - | ||||||||||||||
Repayment of long-term debt | (1,666) | (3,429) | (2,500) | (578) | ||||||||||||||
Proceeds from bridge loan | - | 0 | 0 | 10,000 | ||||||||||||||
Repayment of bridge loan | 0 | 0 | 0 | (10,000) | ||||||||||||||
Debt extinguishment costs | - | - | - | 0 | ||||||||||||||
Change in commercial paper, net (Note 9) | 0 | 0 | 0 | (524) | ||||||||||||||
Change in other short-term borrowings, net | - | - | (4) | 87 | ||||||||||||||
Proceeds from Issuance of Common Stock - Equity unit settlement | - | - | - | - | ||||||||||||||
Proceeds from Common Stock issued under employee stock plans | - | - | - | - | ||||||||||||||
Dividends paid | (3,796) | (3,574) | (3,217) | (3,239) | ||||||||||||||
Repurchase of common stock | 0 | (50) | (444) | (12,870) | ||||||||||||||
Net transfers to discontinued operations | - | - | - | 0 | ||||||||||||||
Other financing activities, net | (771) | (433) | (452) | (317) | ||||||||||||||
Net cash flows used in financing activities | (6,239) | (7,486) | (6,617) | (4,527) | ||||||||||||||
Discontinued Operations: | ||||||||||||||||||
Net cash used in operating activities | - | - | - | 0 | ||||||||||||||
Net cash used in investing activities | - | - | - | 0 | ||||||||||||||
Net cash provided by financing activities | - | - | - | 0 | ||||||||||||||
Net cash used in discontinued operations | - | - | - | 0 | ||||||||||||||
Effect of foreign exchange rate changes on cash and cash equivalents | (12) | 48 | (28) | 18 | ||||||||||||||
Effect of foreign exchange rate changes on cash and cash equivalents from discontinued operations | - | - | - | - | ||||||||||||||
Net increase (decrease) in cash, cash equivalents and restricted cash | 3,226 | 1,864 | (1,020) | 335 | ||||||||||||||
Net (decrease) increase in cash and cash equivalents | - | - | - | - | ||||||||||||||
Supplemental Disclosure of Cash Flow Information: | ||||||||||||||||||
Interest paid, net of amounts capitalized | 1,858 | 1,858 | 1,942 | 1,464 | ||||||||||||||
Income taxes paid, net of refunds | 1,607 | 1,607 | 1,176 | 1,527 | ||||||||||||||
Non-cash investing and financing activities include: | ||||||||||||||||||
Contributions of UTC Common Stock to domestic defined benefit pension plans | - | - | - | - |