Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Additional Information (Detail)

v3.19.2
SHAREOWNERS' EQUITY - Additional Information (Detail)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
option
Vote
$ / shares
shares
Jun. 30, 2018
USD ($)
shares
Jun. 30, 2019
USD ($)
option
Vote
Classes_of_Common_Stock
$ / shares
shares
Jun. 30, 2018
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 $ 2,837   $ 2,837    
Change in non-controlling minority interest $ 0 $ (3) $ 2 $ (2)  
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    
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    
Class A and B Common Stock          
Stockholders Equity Note [Line Items]          
Total of Class A and Class B common stock, repurchased, value $ 251 $ 256 $ 502 $ 511  
Common stock purchases | shares 2,400,000 2,200,000 4,800,000 4,400,000  
Options Held [Member]          
Stockholders Equity Note [Line Items]          
Option premiums received $ 6 $ 20 $ 1 $ 19  
Number of options open | option 200,000   200,000    
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share | $ / shares     $ 93.69    
Net Income [Member] [Member]          
Stockholders Equity Note [Line Items]          
TotalOtherComprehensiveIncomeReclassification, Net of Tax $ (16) (58) $ (46) (134)  
Unrealized gain (loss) on cash flow hedges, net of tax:          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax (9) 6 (13) 18  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax (27) 20 40 (56)  
Unrealized gain (loss) on cash flow hedges, net of tax: | Income Tax Expense Benefit [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax (9) 6 (13) 18  
Unrealized gain (loss) on cash flow hedges, net of tax: | Net Income [Member] [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax 27 (20) 40 (56)  
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]          
Stockholders Equity Note [Line Items]          
Reclassification to earnings (net of tax effect of $_ and $12)     0 (609)  
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Income Tax Expense Benefit [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax 14 12 27 24  
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Net Income [Member] [Member]          
Stockholders Equity Note [Line Items]          
Reclassification to earnings (net of tax effect of $_ and $12) (43) (38) (86) (77)  
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Labor and Related Expense [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax (57) (50) (113) (101)  
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax 0 0 0 1  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax     0 (1)  
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Income Tax Expense Benefit [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax 0 0 0 1  
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Net Income [Member] [Member]          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax 0 0 0 (1)  
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Investment income and other          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax 0 0 0 (2)  
Foreign Exchange Contract [Member] | Unrealized gain (loss) on cash flow hedges, net of tax: | Interest Expense          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax 39 (20) 62 (62)  
Interest Rate Contract [Member] | Unrealized gain (loss) on cash flow hedges, net of tax: | Interest Expense          
Stockholders Equity Note [Line Items]          
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax $ (3) $ (6) $ (9) $ (12)