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Income Taxes
3 Months Ended
Mar. 31, 2026
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company’s tax provision for interim periods is determined by using an estimated annual effective tax rate, adjusted for discrete items arising in that quarter. In each quarter, the Company updates the estimated annual effective tax rate and makes a year-to-date adjustment to the provision. The estimated annual effective tax rate is subject to significant volatility due to several factors, including accurately predicting the proportion of the Company’s pre-tax income before provision for income taxes in multiple jurisdictions, the U.S. tax benefits from foreign derived intangible income, audit-related developments, and the effects of tax law changes.

The Company recorded income tax expense of $19 million and $121 million for the three months ended March 31, 2025 and 2026, respectively. The effective tax rate for the three months ended March 31, 2026 was higher than the same period in the prior year primarily due to a $69 million one-time adjustment of certain deferred tax assets as a result of changes to the US Corporate Alternative Minimum Tax (“CAMT”) and decreased stock-based compensation deductions.

The Company regularly assesses the need for a valuation allowance against its deferred tax assets each quarter. In making that assessment, the Company considers both positive and negative evidence in the various jurisdictions in which it operates related to the likelihood of realization of the deferred tax assets to determine, based on the weight of available evidence, whether it is more likely than not that some or all of the deferred tax assets will not be realized. As of March 31, 2026, based on all available positive and negative evidence, having demonstrated sustained profitability which is objective and verifiable, and taking into account anticipated future earnings, the Company concluded that it is more likely than not that its U.S. federal and state deferred tax assets will be realizable, with the exception of California research and development credits, federal CAMT credits, capital loss carryovers, losses subject to the dual consolidated loss rules, and certain state net operating losses. The Company's policy is to not consider the impact of future years’ CAMT in its valuation allowance assessment for regular deferred tax assets. The Company will continue to monitor the need for a valuation allowance against its deferred tax assets on a quarterly basis.

The Company’s significant tax jurisdictions include the U.S., California, and Ireland. The Company is currently under examination for income taxes by the Internal Revenue Service (“IRS”) for the 2013, 2016, 2017, and 2018 tax years. The primary issue under examination in the 2013 audit is the valuation of the Company’s international intellectual property which was sold to a subsidiary in 2013. In December 2020, the Company received a Notice of Proposed Adjustment (“NOPA”) from the IRS which proposed an increase to the Company’s U.S. taxable income that could result in additional income tax expense and cash liability of $1.3 billion, plus penalties and interest, which exceeds the current reserve recorded in its consolidated financial statements by more than $1.0 billion. The Company strongly disagrees with the proposed adjustment and continues to vigorously contest it. The Company entered into an administrative dispute process with IRS Appeals, however an acceptable outcome was not reached. In May 2024, the Company received a Statutory Notice of Deficiency (“Notice”) from the IRS related to the aforementioned valuation of its international intellectual property. The Notice claimed that the Company owes $1.3 billion in tax, plus penalties and interest. The Company will continue to pursue all available remedies to resolve this dispute. In July 2024, the Company petitioned the U.S. Tax Court (“Tax Court”) for redetermination, and if necessary, the Company will appeal the Tax Court’s decision to the appropriate appellate court. The Company believes that adequate amounts have been reserved for any adjustments that may ultimately result from these examinations. If the IRS prevails in the assessment of additional tax due based on its position and such tax and related interest and penalties, if any, exceeds the Company’s current reserves, such outcome could have a material adverse impact on the Company’s financial position and results of operations, and any assessment of additional tax could require a significant cash payment and have a material adverse impact on the Company’s unaudited condensed consolidated statements of cash flows.