Annual report pursuant to Section 13 and 15(d)

SHAREOWNERS' EQUITY - Roll-forward of Common Stock, Additional Paid-in Capital, and Retained Earnings Accounts (Detail)

v3.6.0.2
SHAREOWNERS' EQUITY - Roll-forward of Common Stock, Additional Paid-in Capital, and Retained Earnings Accounts (Detail) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Common stock purchases, Shares (2.6)               (25.2) (26.8) (26.4)
Balance at beginning of year       $ 2,470         $ 2,470    
Net income attributable to controlling interests $ (239) $ 1,270 $ 1,269 $ 1,131 $ 1,331 $ 1,257 $ 1,230 $ 1,026 3,431 $ 4,844 $ 3,032
Common stock purchases (300)               (2,680) (2,711) (2,662)
Balance at end of period $ 405       $ 2,470       405 2,470  
Payments for Repurchase of Common Stock                 $ 2,678 $ 2,702 $ 2,695
Common Stock | Class A Common Stock:                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year, Shares       194.0       201.0 194.0 201.0 212.0
Common stock purchases, Shares                 (4.0) (4.0) (5.0)
Stock award plans, Shares                 5.0 5.0 5.0
Common stock issuances, Shares                 2.0 3.0 3.0
Conversions of class A to class B common stock, Shares                 (17.0) (11.0) (14.0)
Balance at end of year, Shares 180.0       194.0       180.0 194.0 201.0
Balance at beginning of year       $ 2       $ 2 $ 2 $ 2 $ 2
Common stock purchases                 0 0 0
Stock award plans                 0 0 0
Common stock issuances                 0 0 0
Conversions of class A to class B common stock                 0 0 0
Balance at end of period $ 2       $ 2       $ 2 $ 2 $ 2
Common Stock | Class B Common Stock:                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year, Shares       693.0       705.0 693.0 705.0 712.0
Common stock purchases, Shares                 (21.0) (23.0) (21.0)
Conversions of class A to class B common stock, Shares                 17.0 11.0 14.0
Balance at end of year, Shares 689.0       693.0       689.0 693.0 705.0
Balance at beginning of year       $ 7       $ 7 $ 7 $ 7 $ 7
Common stock purchases                 0 0 0
Conversions of class A to class B common stock                 0 0 0
Balance at end of period $ 7       $ 7       7 7 7
Additional Paid-In Capital:                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year       0       0 0 0 0
Stock award plans                 541 492 656
Common stock purchases                 (898) (791) (918)
Common stock issuances                 303 316 309
Option premiums received (paid)                 54 (17) (47)
Balance at end of period 0       0       0 0 0
Retained Earnings:                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year       $ 6,001       $ 5,726 6,001 5,726 6,925
Net income attributable to controlling interests                 3,431 4,844 3,032
Dividends ($3.12, $2.92 and $2.68 per share)                 (2,771) (2,649) (2,487)
Common stock purchases                 (1,782) (1,920) (1,744)
Balance at end of period $ 4,879       $ 6,001       $ 4,879 $ 6,001 $ 5,726