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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |  |  |
Operating loss carryforwards | $ 1,112.8 |  |  |  |
Indefinite operating loss carryforwards | 924.8 |  |  |  |
Gain (loss) on sale of stock in subsidiary or equity method investee | 537.0 |  |  |  |
Income tax benefit, deferred taxes |  |  |  |  | $ 364.0
Unrecognized tax benefits | 587.7 | [1] | $ 647.0 | [1] | 1,504.9
Effective tax rate adjustment | 588.0 |  |  |  |
Reasonably possible decrease in unrecognized tax benefit within the next 12 months | 262.0 |  |  |  |
Accrued interest and penalties related to income tax matters | $ 24.9 |  | 24.7 |  |
Provision for income taxes, interest and penalties expense related to tax matters |  |  | 90.5 |  | $ 24.4
Other Tax Expense (Benefit) |  |  | $ 239.0 |  |
[1] | Of this amount, $318.5 million and $619.6 million are included in Long-term income taxes for 2023 and 2022, respectively, and $269.2 million and $27.3 million are included in Income taxes for 2023 and 2022, respectively, on the Consolidated Balance Sheet.

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- Definition Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from reserves and accruals, compensation and benefit costs, and other provisions, reserves, and allowances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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