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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Line Items]      
Operating loss carryforwards $ 464.1    
Unrecognized tax benefits 1,504.9 [1] $ 1,479.2 [1] $ 1,439.1
Reasonably possible amount of unrecognized tax benefits decrease within the next 12 months - minimum 1,030.0    
Effective tax rate adjustment 990.0    
Accrued interest and penalties related to income tax matters 183.6 177.4  
Provision for income taxes, interest and penalties expense related to tax matters $ 24.4 $ 32.4 $ 39.9
Statutory U.S. federal income tax rate 21.00% 21.00% 21.00%
Indefinite [Member]      
Income Taxes [Line Items]      
Operating loss carryforwards $ 263.9    
[1] Of this amount, $1,157.5 million and $1,137.8 million are included in Long-term income taxes for 2021 and 2020, respectively, and $332.0 million and $325.0 million are included in Prepaid expenses and other current assets for 2021 and 2020, respectively, on the Consolidated Balance Sheet. The remainder is included in Deferred income taxes on the Consolidated Balance Sheet.