v3.3.1.900
Borrowings - Additional Information (Detail)
€ in Millions
1 Months Ended 12 Months Ended
May. 06, 2015
USD ($)
Apr. 30, 2015
USD ($)
Mar. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
EUR (€)
May. 06, 2015
EUR (€)
Dec. 31, 2014
USD ($)
May. 31, 2012
USD ($)
May. 31, 2011
USD ($)
Mar. 31, 2011
USD ($)
Dec. 31, 2009
USD ($)
Oct. 14, 2009
USD ($)
Sep. 30, 2007
USD ($)
Debt Instrument [Line Items]                          
Borrowings       $ 4,930,000,000     $ 4,922,000,000            
Fair Value       5,223,000,000     $ 5,309,000,000            
Amount of debt issued       4,960,000,000                  
Gain (loss) on derivatives recognized in other comprehensive income       $ 19,000,000                  
Unsecured Debt 2024 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued     $ 1,000,000,000                    
Interest rate     3.50%                    
Senior unsecured notes maturity date       Mar. 18, 2024                  
Approximate annual interest expense     $ 35,000,000                    
Debt instrument, payment terms       Interest is payable semi-annually in arrears on March 18 and September 18 of each year                  
Unsecured Unsubordinated Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued               $ 1,500,000,000 $ 1,500,000,000   $ 2,500,000,000    
Unsecured Debt 2015 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued               $ 750,000,000          
Interest rate               1.375%          
Unsecured Debt 2022 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued               $ 750,000,000          
Interest rate               3.375%          
Approximate annual interest expense       $ 25,000,000                  
Debt instrument, payment terms       Interest is payable semi-annually on June 1 and December 1 of each year                  
Unsecured Debt 2013 [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                 750,000,000        
Unsecured Notes Due in 2021 [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                 $ 750,000,000        
Interest rate                 4.25%        
Approximate annual interest expense       $ 32,000,000                  
Debt instrument, payment terms       Interest is payable semi-annually on May 24 and November 24 of each year                  
Unsecured Debt 2012 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                     $ 500,000,000    
Interest rate                     2.25%    
Unsecured Debt 2014 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                     $ 1,000,000,000    
Interest rate                     3.50%    
Unsecured Debt 2019 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                     $ 1,000,000,000    
Interest rate                     5.00%    
Senior Notes Due 2019 [Member]                          
Debt Instrument [Line Items]                          
Approximate annual interest expense       $ 50,000,000                  
Debt instrument, payment terms       Interest is payable semi-annually in arrears on June 10 and December 10 of each year                  
Unsecured Debt 2017 Notes [Member]                          
Debt Instrument [Line Items]                          
Amount of debt issued                         $ 700,000,000
Interest rate                         6.25%
Approximate annual interest expense       $ 44,000,000                  
Debt instrument, payment terms       Interest is payable semi-annually in arrears on March 15 and September 15 of each year                  
Other Comprehensive Income [Member]                          
Debt Instrument [Line Items]                          
Amount of ineffectiveness on net investment hedges       $ 0                  
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]                          
Debt Instrument [Line Items]                          
Debt offering designated as net investment hedge to offset its currency exposure | €         € 700                
Commercial Paper [Member]                          
Debt Instrument [Line Items]                          
Maximum amount available under facility                       $ 4,000,000,000  
Commercial Paper [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Amount outstanding under credit facility       $ 0                  
2011 Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Unsecured revolving credit facility, years       5 years                  
Maximum amount available under facility                   $ 3,500,000,000      
2015 Revolving Credit Facility [Member]                          
Debt Instrument [Line Items]                          
Maximum amount available under facility   $ 5,000,000,000                      
Extended debt instrument maturity date       2020-03                  
Unsecured revolving credit facility   4,000,000,000                      
Additional amount available, subject to lender credit approval   $ 1,000,000,000                      
Line of credit facility, covenant terms       The 2015 credit facility requires the Company not to exceed a maximum leverage ratio (ratio of net debt to earnings before interest, taxes, depreciation and amortization, where net debt equals total debt less unrestricted cash) of 3 to 1                  
Line of credit facility, covenant compliance       satisfied with a ratio of less than 1 to 1                  
Amount outstanding under credit facility       $ 0                  
2025 Notes [Member]                          
Debt Instrument [Line Items]                          
Borrowings       753,000,000                  
Fair Value       729,000,000                  
Amount of debt issued       $ 760,000,000   € 700              
Interest rate       1.25% 1.25% 1.25%              
Senior unsecured notes maturity date May 06, 2025                        
Approximate annual interest expense $ 10,000,000                        
Debt instrument, payment terms       Annually on May 6 of each year