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, 2017
USD ($)
Vote
$ / shares
shares
Mar. 31, 2016
USD ($)
shares
Dec. 31, 2017
USD ($)
Vote
Classes_of_Common_Stock
$ / shares
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
May 05, 2016
USD ($)
Stockholders Equity Note [Line Items]            
Classes of common stock | Classes_of_Common_Stock     2      
Preferred stock, shares authorized 200,000,000   200,000,000      
Preferred stock, par value | $ / shares $ 0.01   $ 0.01      
Preferred stock, issued 0   0      
Common stock purchases, Shares 2,600,000   16,100,000 25,200,000 26,800,000  
Total of class A and class B common stock, repurchased, value | $ $ 300,000,000   $ 1,816,000,000 $ 2,680,000,000 $ 2,711,000,000  
Shares repurchased and received, shares       25,400,000    
Shares repurchased and received, value | $       $ 2,705,000,000    
Share repurchase authorized amount | $           $ 8,000,000,000.0
Share repurchase authorization remaining | $ $ 4,339,000,000   4,339,000,000      
Increase in noncontrolling interest | $     6,000,000 3,000,000    
Settled Options            
Stockholders Equity Note [Line Items]            
Common stock purchases, Shares 500,000          
Accelerated Share Repurchases, Initial Price Paid Per Share | $ / shares $ 101.91          
Option Premiums Received (Paid) | $     $ 54,000,000 $ 54,000,000    
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 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 5,600,000,000   5,600,000,000      
Additional shares from the exercise of options | $   $ 25,000,000        
Additional shares from the exercise of options (shares)   200,000