Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Detail)

v3.19.3
STOCK-BASED COMPENSATION - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 9 Months Ended
Feb. 14, 2019
Mar. 22, 2018
Mar. 01, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Jul. 01, 2019
Mar. 25, 2019
Mar. 22, 2019
Feb. 06, 2019
Stockholders Equity Note [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Cycle Period           3 years          
Stock compensation expense       $ 203 $ 129 $ 716 $ 507        
Management Incentive Award [Member]                      
Stockholders Equity Note [Line Items]                      
Closing New York Stock Exchange price $ 111.80               $ 106.90   $ 108.82
Award vesting period           5 years          
Long-Term Incentive Performance Award                      
Stockholders Equity Note [Line Items]                      
Closing New York Stock Exchange price               $ 102.97   $ 107.35  
Weighted-average fair value of options granted (usd per share)           $ 123.44 $ 137.57        
Nonqualified Stock Options [Member]                      
Stockholders Equity Note [Line Items]                      
Percentage of the award vesting at each anniversary date of the grant           20.00%          
Expiration period (in years)           10 years          
Award vesting period           5 years          
Stock options granted   10 300     300          
Weighted-average fair value of options granted (usd per share) $ 111.80 $ 104.45 $ 106.43