DERIVATIVE INSTRUMENTS - Additional Information (Detail) ¥ in Billions	12 Months Ended
	Dec. 31, 2015 USD ($) yr counterparties currency	Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)	Dec. 31, 2015 JPY (¥) yr counterparties currency	Mar. 31, 2015 USD ($)	Nov. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Oct. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jul. 31, 2012 USD ($)	Feb. 29, 2012 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Number of currencies related to foreign currency swaps | currency	1				1
Number of counterparties | counterparties	15				15
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	63.00%				63.00%
Collateral Already Posted, Aggregate Fair Value	$ 20,000,000	$ 1,600,000,000
Derivative, Collateral, Right to Reclaim Securities	17,000,000	1,621,000,000	[1]
Derivative, Collateral, Right to Reclaim Cash	3,000,000
Derivative, Net Liability Position, Aggregate Fair Value	26,000,000	2,100,000,000
Additional Collateral, Aggregate Fair Value	6,000,000
Collateral obtained from third parties	$ 412,000,000	619,000,000
Hedging activity, weighted-average period (in years) | yr	10				10
Net Derivatives Notional Amount	$ 22,127,000,000	23,662,000,000
Cash flow hedges
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount	75,000,000	75,000,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0		$ 0
Net investment hedge
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount	1,029,000,000	1,307,000,000
3.625% senior notes due November 2024
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	750,000,000						$ 750,000,000
Debt instrument, effective interest rate							1.00%
3.25% senior notes due March 2025
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	450,000,000					$ 450,000,000
Debt instrument, effective interest rate						0.82%
3.625% senior notes due June 2023
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	700,000,000							$ 700,000,000
Debt instrument, effective interest rate								1.50%
2.65% senior notes due February 2017
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	400,000,000										$ 250,000,000	$ 400,000,000
Debt instrument, effective interest rate												1.22%
2.40% senior notes due March 2020
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	550,000,000					$ 550,000,000
Debt instrument, effective interest rate						0.24%
4.00% senior notes due February 2022
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	350,000,000											$ 350,000,000
Debt instrument, effective interest rate												2.07%
5.50% subordinated notes due September 2052
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Debt instrument, principal amount	500,000,000								$ 50,000,000	$ 450,000,000
Debt instrument, effective interest rate									4.42%	4.41%
February twenty fifteen profit repatriation | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount | ¥					¥ 30.0
July twenty fifteen profit repatriation | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount | ¥					102.5
September twenty fifteen profit repatriation | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount | ¥					25.0
December Twenty Fifteen Profit Repatriation [Domain] | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount | ¥					85.0
Future profit repatriation | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net Derivatives Notional Amount | ¥					¥ 124.1
Net investment hedge
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Net investment hedge gain loss reclassified to earnings net	$ 0	$ 0		$ 0

[1] Consists entirely of pledged securities.