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Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]    
Beginning balance $ 469.5 [1] $ 442.8
Increases (decreases) related to tax positions taken during prior years (85.4) 47.2
Decreases related to statute of limitations 0.0 (77.2)
Increases related to tax positions taken during the current year 52.2 56.7
Ending balance [1] $ 436.3 $ 469.5
[1] As of December 31, 2022 and 2021 unrecognized tax benefit in the amounts of $16.6 and $14.6 was presented net from deferred tax asset.