Income Taxes |
9 Months Ended |
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Sep. 30, 2026 | |
| Income Tax Disclosure [Abstract] | |
| Income Taxes | Income Taxes The effective tax rates were 23.3 percent and 21.0 percent for the three and nine months ended September 30, 2026, respectively, compared to 22.8 percent and 19.8 percent for the three and nine months ended September 30, 2025, respectively, primarily driven by the unfavorable tax impact of nondeductible acquired IPR&D charges, with a larger impact occurring in 2026. The 2025 effective tax rates were also unfavorably impacted by U.S. tax law changes. At September 30, 2026 and December 31, 2025, prepaid expenses included prepaid taxes of $15.1 billion and $12.9 billion, respectively. In October 2026, the Internal Revenue Service (IRS) commenced its examination of tax years 2022-2024. The IRS examination of tax years 2019-2021 remains ongoing. For tax years 2016-2018, we are pursuing competent authority assistance through the Mutual Agreement Procedure (MAP) process for the pricing of certain intercompany transactions. The resolution of these audit periods will likely extend beyond the next 12 months.
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