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SHARE-BASED COMPENSATION - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2020
Feb. 29, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value     $ 6.33 $ 0 $ 8.81  
Closing common stock price     $ 44.47      
Aggregate intrinsic value of stock options outstanding     $ 43      
Options outstanding - weighted-average remaining term (Yrs)     3 years 10 months 24 days      
In-the-money stock options exercisable     3,000      
Aggregate intrinsic value of stock options exercisable     $ 43      
Weighted-average remaining term of stock options exercisable (in years)     3 years 9 months 18 days      
Long-Term Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation arrangement by share-based payment award, maximum number of shares issuable     75,000      
Share-based compensation arrangement by share-based payment award, maximum number of shares issuable other than options and stock appreciation rights     38,000      
Shares available for future grants under the long-term incentive plan     38,000      
Long-term incentive plan awards, term (in years)     10 years      
Long-term incentive plan, vesting period     3 years      
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock awards, grants in period     1,544 1,070 [1] 1,121  
Total compensation cost not yet recognized, restricted stock awards     $ 36      
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number of shares     2,580 2,715 [1] 3,407 3,634
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition     1 year 7 months 6 days      
Performance Based Vesting Condition | Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Long-term incentive plan, vesting period     3 years      
Restricted stock awards, grants in period   409        
Percentage of target award opportunities minimum     0.00%      
Percentage of target award opportunities maximum     200.00%      
Total compensation cost not yet recognized, restricted stock awards     $ 15      
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number of shares     1,100      
Performance Based Vesting Condition | Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Long-term incentive plan, vesting period     3 years      
Restricted stock awards, grants in period 9          
Percentage of target award opportunities minimum     0.00%      
Percentage of target award opportunities maximum     200.00%      
[1] This balance has been adjusted to include dividends