Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Fair Value of Employee Stock Options Granted as Determined by Black-Scholes Valuation Model Assumptions (Detail)

v3.21.2
STOCK-BASED COMPENSATION - Fair Value of Employee Stock Options Granted as Determined by Black-Scholes Valuation Model Assumptions (Detail) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Nonqualified Stock Options    
Stockholders Equity Note [Line Items]    
Risk-free interest rate 0.84% 1.26%
Expected volatility 23.15% 19.25%
Weighted-average fair value of options granted (usd per share) $ 23.71 $ 11.74
Expected life (in years) 7 years 6 months 7 years 6 months
Expected dividend yield 3.31% 3.51%
Long-Term Incentive Performance Award    
Stockholders Equity Note [Line Items]    
Risk-free interest rate 0.19% 0.15%
Expected volatility 30.70% 27.53%
Weighted-average fair value of options granted (usd per share) $ 167.26 $ 92.77
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Share Payout 102.40% 101.00%