v3.5.0.2
Consolidated Statements of Change in Equity, AOCI - USD ($)
shares in Millions, $ in Millions
Total
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest in Consolidated Subsidiaries [Member]
Redeemable Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2014 $ 12,392 $ 1 $ (743) $ 9,938 $ 3,210 $ (46) $ 32 $ 165
Beginning Balance, Shares at Dec. 31, 2014   116 (3)          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Other comprehensive loss (142)         (142)    
Exercise of common stock options 19     19        
Treasury Stock, Shares, Acquired     (3)          
Treasury Stock, Retired, Cost Method, Amount (660)   $ (660)          
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises, Shares     (1)          
Restricted Stock And Option Withholding Taxes Recorded As Net Settlement (45)   $ (45)          
Stock-based compensation 122     122        
Issuance of restricted stock   1            
Tax benefits from stock option plans 19     19        
Adjustment to redemption value of redeemable non-controlling interest (5)       (5)     4
Distributions of profits to non-controlling interest (16)           (16) 11
Purchase of subsidiary shares from non-controlling interest               128
Dividends paid to shareholders (331)              
Net income attributable to non-controlling interest (5)       (21)   16 5
Net income 1,295       1,295      
Ending Balance at Dec. 31, 2015 $ 14,840 $ 1 $ (1,448) 12,295 4,148 (188) 32 35
Ending Balance, Shares at Dec. 31, 2015 126 126 (7)          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock Issued During Period, Shares, Acquisitions   9            
Stock Issued During Period, Value, Acquisitions $ 2,197   $ 0 2,197        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]                
Accumulated Other Comprehensive Income, Equity Method Investments, Net of Tax 2              
Foreign currency translation adjustments (45)              
Fair value of available-for-sale securities (26)              
Employee benefit plans adjustments (119)              
Accumulated other comprehensive income (188)              
Other comprehensive loss (70)         (70)    
Exercise of common stock options 13     13        
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises, Shares     0          
Restricted Stock And Option Withholding Taxes Recorded As Net Settlement (48)   $ (48)          
Stock-based compensation 68     68        
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises 0              
Distributions of profits to non-controlling interest (7)           (7) 3
Dividends paid to shareholders 205       (205)      
Net income attributable to non-controlling interest (1)       (14)   13 1
Net income 740       740      
Ending Balance at Jun. 30, 2016 $ 15,330 $ 1 $ (1,496) $ 12,376 $ 4,669 $ (258) $ 38 $ 33
Ending Balance, Shares at Jun. 30, 2016 126 126 (7)          
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]                
Accumulated Other Comprehensive Income, Equity Method Investments, Net of Tax $ 2              
Foreign currency translation adjustments (244)              
Fair value of available-for-sale securities 103              
Employee benefit plans adjustments (119)              
Accumulated other comprehensive income $ (258)