Significant Accounting Policies	6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Significant Accounting Policies	Significant Accounting Policies Financial Statements— The unaudited financial statements included herein have been prepared by Illinois Tool Works Inc. and Subsidiaries (the "Company"). In the opinion of management, the interim financial statements reflect all adjustments of a normal recurring nature necessary for a fair statement of the results for interim periods. Interim results are not necessarily indicative of results for the full year. It is suggested that these financial statements be read in conjunction with the financial statements and notes to financial statements included in the Company's 2025 Annual Report on Form 10-K. Certain reclassifications of prior year data have been made to conform with current year reporting. New Accounting Pronouncements In November 2024, the Financial Accounting Standards Board (the "FASB") issued authoritative guidance which expands annual and interim disclosure requirements related to certain costs and expenses recorded in the income statement. The primary provisions of this new guidance require companies to provide additional footnote disclosures disaggregating income statement line items that include purchases of inventory, employee compensation, depreciation, and intangible asset amortization. The guidance will be effective for the Company beginning with its annual reporting for the year ending December 31, 2027 and is required to be applied prospectively, with retrospective application to prior periods allowed. The Company is currently assessing the impact the guidance will have on its disclosures.

Significant Accounting Policies

6 Months Ended

Jun. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Financial Statements— The unaudited financial statements included herein have been prepared by Illinois Tool Works Inc. and Subsidiaries (the "Company"). In the opinion of management, the interim financial statements reflect all adjustments of a normal recurring nature necessary for a fair statement of the results for interim periods. Interim results are not necessarily indicative of results for the full year. It is suggested that these financial statements be read in conjunction with the financial statements and notes to financial statements included in the Company's 2025 Annual Report on Form 10-K. Certain reclassifications of prior year data have been made to conform with current year reporting.

New Accounting Pronouncements

In November 2024, the Financial Accounting Standards Board (the "FASB") issued authoritative guidance which expands annual and interim disclosure requirements related to certain costs and expenses recorded in the income statement. The primary provisions of this new guidance require companies to provide additional footnote disclosures disaggregating income statement line items that include purchases of inventory, employee compensation, depreciation, and intangible asset amortization. The guidance will be effective for the Company beginning with its annual reporting for the year ending December 31, 2027 and is required to be applied prospectively, with retrospective application to prior periods allowed. The Company is currently assessing the impact the guidance will have on its disclosures.