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16. Segment Reporting (Notes) | 3 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Segment Reporting | 16. Segment Reporting First Solar operates as one business, which involves the design, manufacture, and sale of CdTe solar modules, which convert sunlight into electricity. As such, we operate as a single operating segment. Third-party customers of this segment include system developers, independent power producers, utilities, commercial and industrial companies, and other system owners and operators. Our business is managed by our Chief Executive Officer, who is also considered our chief operating decision maker (“CODM”). Prior to 2025, we regularly provided our CODM with financial information that included certain legacy business activities. As such activities have continued to decline in size and importance, our CODM no longer receives detailed financial information at this disaggregated level. Therefore, we currently operate as a single operating segment, and our disclosures reflect this change. Although our CODM regularly uses gross profit for key operating decisions about allocating resources and assessing performance, we have concluded that consolidated net income is also used and is the measure of profit or loss required to be disclosed under the provisions of ASC 280 for our single operating segment. Accordingly, we considered whether there were any significant expense categories to disclose and concluded that the condensed consolidated financial statements and accompanying notes thereto include the relevant categories regularly provided to our CODM. The measure of segment assets is reported in our condensed consolidated balance sheets as “Total assets.”

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- Definition The entire disclosure for reporting segments including data and tables. 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