Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Restricted Stock Units Outstanding, Including Reinvested Dividends (Detail)

v3.6.0.2
STOCK-BASED COMPENSATION - Restricted Stock Units Outstanding, Including Reinvested Dividends (Detail) - Long Term Incentive Performance Award - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 12 Months Ended
Sep. 30, 2016
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Restricted Units [Member]          
Shares          
Beginning Balance   11,012 11,012    
Vested     (5,180)    
Granted     5,446    
Reinvested Dividends     348    
Forfeited / Expired     (151)    
Ending Balance     11,475 11,012  
Restricted Units Expected to Vest     11,129    
Weighted-Average Grant Date Fair Value          
Beginning Balance   $ 90.71 $ 90.71    
Vested     87.79    
Granted     97.04 $ 100.63 $ 92.35
Forfeited / Expired     95.23    
Ending Balance     94.32 $ 90.71  
Restricted Units Expected to Vest     $ 94.33    
Weighted-Average Remaining Contractual Term (in years)          
Nonvested at December 31, 2016     1 year 5 months 1 day    
Restricted Units Expected to Vest     1 year 4 months 28 days    
Aggregate Intrinsic Value          
Nonvested at December 31, 2016     $ 1,315    
Restricted Units Expected to Vest     $ 1,276    
Restricted Units          
Shares          
Beginning Balance   1,615 1,615    
Vested     (800)    
Granted     926    
Reinvested Dividends     70    
Forfeited / Expired     (128)    
Ending Balance     1,683 1,615  
Restricted Units Expected to Vest     1,590    
Weighted-Average Grant Date Fair Value          
Beginning Balance   $ 96.80 $ 96.80    
Vested     97.02    
Granted $ 105.50 $ 96.64 105.50 $ 96.98  
Forfeited / Expired     99.70    
Ending Balance     101.36 $ 96.80  
Restricted Units Expected to Vest     $ 101.44    
Weighted-Average Remaining Contractual Term (in years)          
Nonvested at December 31, 2016     1 year 6 months 11 days    
Restricted Units Expected to Vest     1 year 6 months 22 days    
Aggregate Intrinsic Value          
Nonvested at December 31, 2016     $ 193    
Restricted Units Expected to Vest     $ 182