SUBSEQUENT EVENTS - Additional Information (Detail)			1 Months Ended
	Dec. 31, 2010 Senior Notes USD ($)	Feb. 29, 2012 Issuance of Debt Senior Notes Parent Company USD ($)	Feb. 29, 2012 Issuance of Debt 2.65% senior notes due February 2017 Parent Company USD ($)	Feb. 29, 2012 Issuance of Debt 2.65% senior notes due February 2017 Parent Company JPY (¥)	Feb. 29, 2012 Issuance of Debt 4.00% senior notes due February 2022 Parent Company USD ($)	Feb. 29, 2012 Issuance of Debt 4.00% senior notes due February 2022 Parent Company JPY (¥)
Subsequent Event [Line Items]
Debt instrument face amount	$ 2,000,000,000	$ 750,000,000	$ 400,000,000		$ 350,000,000
Debt instrument interest rate stated percentage			2.65%	2.65%	4.00%	4.00%
Debt instrument maturity period			5 years	5 years	10 years	10 years
Notes payable, principal amount				¥ 30,900,000,000		¥ 27,000,000,000
Notes payable, effective interest rate			1.22%	1.22%	2.07%	2.07%