Consolidation: 3M is a diversified global manufacturer, technology innovator and marketer of a wide variety of products. All applicable subsidiaries are consolidated. All intercompany transactions are eliminated. As used herein, the term "3M" or "Company" refers to 3M Company and subsidiaries unless the context indicates otherwise. Basis of presentation: Certain amounts in the prior years' consolidated financial statements have been reclassified to conform to the current year presentation. As described in Note 19, effective in the first quarter of 2020, the Company changed its business segment reporting in its continuing effort to improve the alignment of businesses around markets and customers. Additionally, the Company consolidated the way it presents geographic area net sales by providing an aggregate Americas geographic region (combining former United States and Latin America and Canada areas). Also, effective in the second quarter of 2020, the measure of segment operating performance used by 3M's chief operating decision maker changed and, as a result, the Company's disclosed measure of segment profit/loss has been updated. Information provided herein reflects the impact of these changes for all periods presented.