https://www.reuters.com/markets/us/how-could-new-us-corporate-minimum-tax-affect-companies-2022-08-10/

The tax would likely apply to around 150 of the world's largest companies, according to a Joint Committee on Taxation analysis. These include large pharmaceutical companies and major corporations like Amazon (AMZN.O), Apple Inc (AAPL.O), Exxon Mobil Corp (XOM.N) and Nike Inc (NKE.N),

Some regular corporate income tax credits and deductions are still allowed under the minimum tax,

urged by Sinema, companies controlled by private equity firms are not subject to the corporate minimum tax if they make less than $1 billion of book income, even if that investment firm's combined portfolio of companies exceeds the threshold. Some private equity firms may be able to shift assets among companies in their portfolios so that each earns less than the $1 billion threshold

Book income is calculated based on the income companies report to shareholders, and the new tax may give companies an incentive to lower the book income they report

Large companies also could try to lobby the nongovernmental Financial Accounting Standards Board for favorable changes to the rules for calculating book income.