Annual report pursuant to Section 13 and 15(d)

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

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STOCK-BASED COMPENSATION - Fair Value of Employee Stock Options Granted as Determined by Black-Scholes Valuation Model Assumptions (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Long Term Incentive Performance Award      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 2.23% 2.61% 1.46%
Expected dividend yield 115.04% 123.47% 113.55%
Risk-free interest rate 19.64% 16.51% 16.59%
Weighted-average fair value of options granted $ 123.44 $ 137.57 $ 119.29
Nonqualified Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 2.60% 2.84% 2.15%
Expected dividend yield 2.94% 2.93% 2.89%
Risk-free interest rate 17.79% 16.72% 17.81%
Expected life in years 7 years 6 months 7 years 6 months 7 years 6 months
Weighted-average fair value of options granted $ 16.34 $ 15.23 $ 14.70