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DERIVATIVE INSTRUMENTS - Additional Information (Detail)
$ in Millions, ¥ in Billions
3 Months Ended
Mar. 31, 2017
USD ($)
yr
counterparties
currency
Mar. 31, 2016
USD ($)
Mar. 31, 2017
JPY (¥)
yr
counterparties
currency
Dec. 31, 2016
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Number of currencies related to foreign currency swaps | currency 1   1  
Hedging activity weighted-average period (in years) | yr 9   9  
Number of counterparties | counterparties 16   16  
Number of counterparties that comprise majority of aggregate notional amount of swaps | counterparties 5   5  
Percentage of notional amount of swaps from certain number of counterparties 67.00%   67.00%  
Derivative, Net Liability Position, Aggregate Fair Value $ 640     $ 1,200
Notional Amount of Derivatives 34,451     43,927
Cash flow hedges        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Notional Amount of Derivatives 75     $ 75
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net 0 $ 0    
2.40% senior notes due March 2020        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 550      
4.00% senior notes due February 2022        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 350      
3.625% senior notes due June 2023        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 700      
3.625% senior notes due November 2024        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 750      
3.25% senior notes due March 2025        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 450      
5.50% subordinated notes due September 2052        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Debt instrument, principal amount 500      
Future profit repatriation | Foreign currency forwards and options        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Notional Amount of Derivatives | ¥     ¥ 130.1  
Middle market loans | Foreign currency forwards        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Notional Amount of Derivatives 198      
Commercial mortgage loans | Foreign currency forwards        
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Notional Amount of Derivatives $ 780