DERIVATIVE INSTRUMENTS - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2012 USD ($) Y currency counterparties	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Net investment hedge USD ($)	Dec. 31, 2011 Net investment hedge USD ($)	Dec. 31, 2010 Net investment hedge USD ($)	Sep. 30, 2011 Cash flow hedges Dedesignated USD ($)	Dec. 31, 2012 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥)	Dec. 31, 2011 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥)	Jul. 31, 2011 Variable interest rate yen-denominated Samurai notes due July 2014 JPY (¥)	Dec. 31, 2012 2.65% senior notes due February 2017 USD ($)	Jul. 31, 2012 2.65% senior notes due February 2017 USD ($)	Feb. 29, 2012 2.65% senior notes due February 2017 USD ($)	Feb. 29, 2012 2.65% senior notes due February 2017 JPY (¥)	Dec. 31, 2012 4.00% senior notes due February 2022 USD ($)	Feb. 29, 2012 4.00% senior notes due February 2022 USD ($)	Feb. 29, 2012 4.00% senior notes due February 2022 JPY (¥)	Dec. 31, 2012 5.50% subordinated notes due September 2052 USD ($)	Dec. 31, 2012 5.50% subordinated notes due September 2052 JPY (¥)	Oct. 31, 2012 5.50% subordinated notes due September 2052 USD ($)	Oct. 31, 2012 5.50% subordinated notes due September 2052 JPY (¥)	Sep. 30, 2012 5.50% subordinated notes due September 2052 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Number of currencies related to foreign currency swaps	2
Number of counterparties	10
Number of counterparties that comprise majority of aggregate notional amount of swaps	5
Percentage of notional amount of swaps from certain number of counterparties	80.00%
Hedging activity, weighted-average period (in years)	13
Notes payable, principal amount								¥ 5,500,000,000	¥ 5,500,000,000	¥ 5,500,000,000	$ 650,000,000	$ 250,000,000	$ 400,000,000		$ 350,000,000	$ 350,000,000		$ 450,000,000		$ 50,000,000		$ 450,000,000
Notes payable, effective interest rate								1.475%					1.22%	1.22%		2.07%	2.07%	4.41%	4.41%	4.42%	4.42%
Foreign currency swaps used in cash flow hedging, notional amount of swaps de-designated							500,000,000
Gain (loss) reclassified from accumulated other comprehensive income into earnings related to cash flow hedges	0	0	0
Unrealized foreign currency translation gains (losses) during period	(287,000,000)	(18,000,000)	90,000,000	96,000,000	(54,000,000)	(129,000,000)
Gain (loss) reclassified from accumulated other comprehensive income into earnings related to net investment hedges	0	0	0
Debt instrument effective principal amount after cross currency swap														¥ 30,900,000,000			¥ 27,000,000,000		¥ 35,300,000,000		¥ 3,900,000,000
Notes payable, interest rate								1.34%	1.34%	1.475%	2.65%	2.65%	2.65%	2.65%	4.00%	4.00%	4.00%	5.50%	5.50%	5.50%	5.50%	5.50%