DERIVATIVE INSTRUMENTS - Additional Information (Detail) ¥ in Billions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) counterparties currency	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) counterparties currency	Sep. 30, 2014 USD ($)	Sep. 30, 2015 JPY (¥) counterparties currency	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Hedging activity, weighted-average period (in years)			10 years
Number of currencies related to foreign currency swaps | currency	1		1		1
Number of counterparties | counterparties	17		17		17
Number of counterparties that comprise majority of aggregate notional amount of swaps | counterparties	4		4		4
Percentage of notional amount of swaps from certain number of counterparties	56.00%		56.00%		56.00%
Collateral Already Posted, Aggregate Fair Value	$ 7,000,000		$ 7,000,000				$ 1,600,000,000
Derivative, Net Liability Position, Aggregate Fair Value	7,000,000		7,000,000				2,100,000,000
Collateral obtained from third parties	622,000,000		622,000,000				619,000,000
Notional Amount of Derivatives	23,356,000,000		23,356,000,000				23,662,000,000
Non-qualifying strategies
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives	7,694,000,000		7,694,000,000				6,693,000,000
Derivative, Gain (Loss) on Derivative, Net	18,000,000	$ (13,000,000)	21,000,000	$ (40,000,000)
Non-qualifying strategies | Foreign currency forwards
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives	1,007,000,000		1,007,000,000				784,000,000
Derivative, Gain (Loss) on Derivative, Net	17,000,000	0	16,000,000	0
Net investment hedge
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	0	0	0
Notional Amount of Derivatives	1,623,000,000		1,623,000,000				1,307,000,000
Net investment hedge | Foreign currency forwards
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives	1,455,000,000		1,455,000,000				1,307,000,000
Cash flow hedges
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives	75,000,000		75,000,000				$ 75,000,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	$ 0	0	$ 0
3.625% senior notes due November 2024
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	750,000,000		750,000,000
3.25% senior notes due March 2025
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	450,000,000		450,000,000			$ 450,000,000
3.625% senior notes due June 2023
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	700,000,000		700,000,000
2.65% senior notes due February 2017
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	400,000,000		400,000,000
2.40% senior notes due March 2020
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	550,000,000		550,000,000			$ 550,000,000
4.00% senior notes due February 2022
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	350,000,000		350,000,000
5.50% subordinated notes due September 2052
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notes payable, principal amount	$ 500,000,000		$ 500,000,000
February twenty fifteen profit repatriation | Foreign currency forwards
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives | ¥					¥ 30.0
July twenty fifteen profit repatriation | Foreign currency forwards
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives | ¥					102.5
September twenty fifteen profit repatriation | Foreign currency forwards
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives | ¥					25.0
Future profit repatriation | Foreign currency forwards and options
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Derivatives | ¥					¥ 194.6