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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
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.