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Income before Provision for Income Taxes, Classified by Source of Income (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Document Fiscal Year Focus | 2021 |  |
U.S. | $ 2,413.9 | $ 1,390.4 | $ 2,159.1
Outside the U.S. | 6,714.0 | 4,750.3 | 5,859.0
Income before provision for income taxes | $ 9,127.9 | $ 6,140.7 | $ 8,018.1

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