Quarterly report pursuant to Section 13 or 15(d)

Roll-forward of Common Stock, Additional Paid-in Capital, Retained Earnings Accounts and Noncontrolling Interest (Detail)

v3.19.2
Roll-forward of Common Stock, Additional Paid-in Capital, Retained Earnings Accounts and Noncontrolling Interest (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Stockholders Equity Note [Roll Forward]              
Balance at beginning of period     $ 3,021        
Net income attributable to common shareowners $ 1,685 $ 1,485 2,796 $ 2,830      
Balance at end of period $ 4,405   $ 4,405        
Common stock, cash paid for dividends, per share $ 0.96 $ 0.81 $ 1.92 $ 1.82      
Non-Controlling Minority Interest              
Balance at beginning of period $ 18 $ 31 $ 16 $ 30      
Change in non-controlling minority interest 0 (3) 2 (2)      
Balance at end of period $ 18 28 $ 18 28      
Class A common stock              
Stockholders Equity Note [Roll Forward]              
Balance at end of period, shares 161   161        
Class B common stock              
Stockholders Equity Note [Roll Forward]              
Balance at end of period, shares 698   698        
Common Stock | Class A common stock              
Stockholders Equity Note [Roll Forward]              
Balance at beginning of period $ 2 $ 2 $ 2 $ 2      
Balance at beginning of period, shares 164 174 163 173      
Common stock purchases $ 0 $ 0 $ 0 $ 0      
Common stock purchases, shares 1 1 (2) (2)      
Stock award plans $ 0 $ 0 $ 0 $ 0      
Stock award plans, shares 1 0 4 3      
Common stock issuances $ 0 $ 0 $ 0 $ 0      
Common stock issuances, shares (1) 0 1 2      
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0      
Conversions of Class A to Class B common stock, shares 2 5 (5) (8)      
Balance at end of period $ 2 $ 2 $ 2 $ 2      
Balance at end of period, shares 161 168 161 168      
Common Stock | Class B common stock              
Stockholders Equity Note [Roll Forward]              
Balance at beginning of period $ 7 $ 7 $ 7 $ 7      
Balance at beginning of period, shares 697 689 696 687      
Common stock purchases $ 0 $ 0 $ 0 $ 0      
Common stock purchases, shares 1 1 (3) (2)      
Conversions of class A to class B common stock $ 0 $ 0 $ 0 $ 0      
Conversions of Class A to Class B common stock, shares (2) (5) (5) (8)      
Balance at end of period $ 7 $ 7 $ 7 $ 7      
Balance at end of period, shares 698 693 698 693      
Additional Paid-In Capital              
Stockholders Equity Note [Roll Forward]              
Balance at beginning of period $ 27 $ 0 $ 0 $ 0      
Common stock purchases 251 247 (502) (383)      
Stock award plans 213 150 382 170      
Common stock issuances 107 77 221 232      
Option premiums received (paid) 6 20 1 (19)      
Balance at end of period 102 0 102 0      
Retained Earnings              
Stockholders Equity Note [Roll Forward]              
Balance at beginning of period 8,249 6,973 8,006 5,852      
Common stock purchases 0   0 (128)      
Net income attributable to common shareowners 1,685 1,485 2,796 2,830      
Balance at end of period 9,109 7,665 9,109 7,665      
Dividends ($0.96 and $0.91 per share) (1) 826 784 $ (1,693) $ (1,624)      
Reclassification from AOCI pursuant to the early adoption of ASU 2018-02         $ 0   $ 735
Other $ 1 $ 0          
Retained Earnings | Accounting Standards Update 2018-02              
Stockholders Equity Note [Roll Forward]              
Reclassification from AOCI pursuant to the early adoption of ASU 2018-02           $ (9)