Annual report pursuant to Section 13 and 15(d)

SHAREOWNERS' EQUITY - Additional Information (Detail)

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SHAREOWNERS' EQUITY - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Dec. 31, 2018
USD ($)
option
Vote
$ / shares
shares
Dec. 31, 2018
USD ($)
option
Vote
Classes_of_Common_Stock
$ / shares
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
May 05, 2016
USD ($)
Stockholders Equity Note [Line Items]          
Classes of common stock | Classes_of_Common_Stock   2      
Preferred stock, shares authorized | shares 200,000,000 200,000,000      
Preferred stock, par value | $ / shares $ 0.01 $ 0.01      
Preferred stock, issued | shares 0 0      
Common stock purchases, Shares | shares 2,600,000 8,900,000 16,100,000 25,200,000  
Total of class A and class B common stock, repurchased, value | $ $ 300,000,000 $ 1,000,000,000 $ 1,816,000,000 $ 2,680,000,000  
Share repurchase authorized amount | $         $ 8,000,000,000.0
Share repurchase authorization remaining | $ $ 3,339,000,000 3,339,000,000      
Increase in noncontrolling interest | $   14,000,000 6,000,000    
Settled Options          
Stockholders Equity Note [Line Items]          
Accelerated Share Repurchases, Initial Price Paid Per Share | $ / shares $ 95.60        
Option Premiums Received (Paid) | $   $ 34,000,000 $ 54,000,000    
Open Option Contracts Written, Number of Contracts | option 200,000.0 200,000.0      
Class A Common Stock:          
Stockholders Equity Note [Line Items]          
Votes per common share | Vote 10 10      
Common stock, par value | $ / shares $ 0.01 $ 0.01      
Common stock, shares authorized | shares 4,600,000,000 4,600,000,000      
Class B Common Stock:          
Stockholders Equity Note [Line Items]          
Votes per common share | Vote 1 1      
Common stock, par value | $ / shares $ 0.01 $ 0.01      
Common stock, shares authorized | shares 5,600,000,000 5,600,000,000