Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Additional Information (Detail)

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SHAREOWNERS' EQUITY - Additional Information (Detail)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
option
Vote
Classes_of_Common_Stock
$ / shares
shares
Jun. 30, 2017
USD ($)
option
Vote
$ / shares
shares
Jun. 30, 2016
USD ($)
shares
May 01, 2016
USD ($)
Stockholders Equity Note [Line Items]        
Classes of Common Stock, Number | 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 authorized for purchase, amount | $       $ 8,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ $ 5,253 $ 5,253    
Noncontrolling Interest, Period Increase (Decrease) | $   $ 6 $ 3  
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    
Total of Class A and Class B common stock, repurchased, value | $   $ 0 $ 0  
Common stock purchases | shares   2,000,000 3,000,000  
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    
Total of Class A and Class B common stock, repurchased, value | $   $ 0 $ 0  
Common stock purchases | shares   6,000,000 10,000,000  
Class A and B Common Stock        
Stockholders Equity Note [Line Items]        
Total of Class A and Class B common stock, repurchased, value | $   $ 901 $ 1,330  
Common stock purchases | shares   8,400,000 13,100,000  
Options Held [Member]        
Stockholders Equity Note [Line Items]        
Option premiums received | $   $ 52 $ 104  
Number of options open | option 500,000.0 500,000.0    
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share | $ / shares   $ 94.49