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Income Taxes (Schedule of Reconciliation of Income Taxes) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Income tax at the U.S. federal statutory tax rate | $ 1,292.6 | $ 1,518.3 | $ 1,105.8
Add (deduct): |  |  |
International operations, including Puerto Rico | (458.2) | (297.2) | (242.0)
General business credits | (100.5) | (97.9) | (108.8)
Foreign-derived intangible income deduction | (86.7) | (71.5) | (15.5)
Other | (73.4) | (15.5) | (111.5)
Income taxes | $ 573.8 | $ 1,036.2 | $ 628.0

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