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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
Feb. 28, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
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   $ 8.81 $ 7.64 $ 6.35  
Closing common stock price   $ 45.56      
Aggregate intrinsic value of stock options outstanding   $ 91      
Options outstanding - weighted-average remaining term (Yrs)   5 years      
In-the-money stock options exercisable   3,900      
Aggregate intrinsic value of stock options exercisable   $ 72      
Weighted-average remaining term of stock options exercisable (in years)   4 years 1 month 6 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   40,300      
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   1,121 1,118 1,756  
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   3,407 3,634 3,736 3,630
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition   1 year      
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 432        
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   799