Income Taxes |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes
Income tax expense for the nine months ended September 30, 2026 and 2025 is based on an estimated annual effective rate, which requires management to make its best estimate of annual Income before income taxes. During the year, PPG management regularly updates forecasted annual Income before income taxes for the various countries in which PPG operates based on changes in factors such as prices, shipments, product mix, raw material inflation and manufacturing operations. To the extent that actual 2026 results for the U.S. and foreign jurisdictions vary from estimates, the actual Income tax expense recognized in 2026 could be different from the forecasted amount used to estimate Income tax expense for the nine months ended September 30, 2026.
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