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Effective Income Tax Reconciliation (Parenthetical) (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Basic earnings per share amounts of the benefit resulting from the "Technological preferred or Preferred Enterprise" status $ 0.80 $ 0.73 $ 0.66
Diluted earnings per share amounts of the benefit resulting from the "Technological preferred or Preferred Enterprise" status $ 0.80 $ 0.72 $ 0.65