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Derivative Financial Instruments - Information about Fair Values of Derivative Instruments in Consolidated Balance Sheet (Parenthetical) (Detail) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Offsetting [Abstract]    
Reduction in estimated fair value of interest rate contracts in asset position $ (777.8) $ (54.4)
Reduction in estimated fair value of interest rate contracts in liability position $ (18.7) $ (305.1)