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Summary of Significant Accounting Policies and Implementation of New Financial Accounting Standards | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies and Implementation of New Financial Accounting Standards | Summary of Significant Accounting Policies and Implementation of New Financial Accounting Standards Basis of Presentation The accompanying consolidated financial statements include Eli Lilly and Company and all subsidiaries and have been prepared in accordance with accounting principles generally accepted in the United States (GAAP). We consider majority voting interests, as well as effective economic or other control over an entity when deciding whether or not to consolidate an entity. We generally do not have control by means other than voting interests. Where our ownership of consolidated subsidiaries is less than 100 percent, the noncontrolling shareholders' interests are reflected as a separate component of equity. All intercompany balances and transactions have been eliminated. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ from those estimates. We issued our financial statements by filing with the Securities and Exchange Commission (SEC) and have evaluated subsequent events up to the time of the filing of this Annual Report on Form 10-K. We operate as a single operating segment engaged in the discovery, development, manufacturing, marketing, and sales of pharmaceutical products worldwide. A global research and development organization and a supply chain organization are responsible for the discovery, development, manufacturing, and supply of our products. Our commercial organizations market, distribute, and sell the products. The business is also supported by global corporate staff functions. See Note 19 for additional information. Research and Development Expenses and Acquired In-Process Research and Development (IPR&D) Research and development costs are expensed as incurred. Research and development costs consist of expenses incurred in performing research and development activities, including but not limited to, compensation and benefits, facilities and overhead expense, clinical trial expense and fees paid to contract research organizations. Acquired IPR&D includes the initial costs and development milestones incurred related to externally developed IPR&D projects, acquired directly in a transaction other than a business combination, that do not have an alternative future use. Development milestones are milestone payment obligations that are incurred prior to regulatory approval of the compound and are expensed when the event triggering an obligation to pay the milestone occurs. Earnings Per Share (EPS) All per-share amounts, unless otherwise stated in the notes to the consolidated financial statements, are presented on a diluted basis. We calculate basic EPS based on the weighted-average number of common shares outstanding plus the effect of incremental shares from potential participating securities. We calculate diluted EPS based on the weighted-average number of common shares outstanding plus the effect of incremental shares from our stock-based compensation programs. Foreign Currency Translation Operations in our subsidiaries outside the United States (U.S.) are recorded in the functional currency of each subsidiary which is determined by a review of the environment where each subsidiary primarily generates and expends cash. The results of operations for our subsidiaries outside the U.S. are translated from functional currencies into U.S. dollars using the weighted-average currency rate for the period. Assets and liabilities are translated using the period end exchange rates. The U.S. dollar effects that arise from translating the net assets of these subsidiaries are recorded in other comprehensive income (loss). Advertising Expenses Costs associated with advertising are expensed as incurred and are included in marketing, selling, and administrative expenses. Global advertising expenses, comprised primarily of online marketing and television advertising, totaled $1.44 billion, $1.12 billion, and $966.8 million in 2024, 2023, and 2022, respectively, which were less than 5 percent of revenue each year. Other Significant Accounting Policies Our other significant accounting policies are described in the remaining appropriate notes to the consolidated financial statements. Reclassifications Certain reclassifications have been made to prior periods in the consolidated financial statements and accompanying notes to conform with the current presentation. Implementation of New Financial Accounting Standards Effective January 1, 2024, we adopted Accounting Standards Update (ASU) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires disclosures about significant segment expenses and additional interim disclosure requirements. This standard also requires a single reportable segment company to provide all disclosures required by Topic 280. See Note 19 for the segment disclosures as required by Topic 280, as amended by ASU 2023-07. ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, establishes incremental disaggregation of income tax disclosures pertaining to the effective tax rate reconciliation and income taxes paid. This standard is effective for fiscal years beginning after December 15, 2024, and requires prospective application with the option to apply it retrospectively. We intend to adopt this standard in our Annual Report on Form 10-K for the year ending December 31, 2025. We are currently evaluating the potential impact of adopting this standard on our disclosures. ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, requires disaggregation of specific expense categories in the notes to the financial statements and a qualitative description of the remaining expense amounts not separately disaggregated. This standard is effective for annual reporting periods beginning after December 15, 2026, and requires prospective application with the option to apply it retrospectively. We intend to adopt this standard in our Annual Report on Form 10-K for the year ending December 31, 2027. We are currently evaluating the potential impact of adopting this standard on our disclosures.

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