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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Income Tax Disclosure [Abstract] |  |  |  |
Decrease in income tax expense | $ 2,800 |  |  |
Income tax expense (benefit) | 4,470 | $ 1,632 | $ 6,123 | $ 3,703
Decrease in income before income tax expense | 12,500 |  | 10,900 |
Income before income tax expense | $ 16,684 | $ 4,147 | $ 20,630 | $ 9,730
Effective tax rate | 27.00% | 39.00% | 30.00% | 38.00%

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