Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES - Additional Information (Detail)

v2.4.0.6
INCOME TAXES - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2010
Tax Years 2003 And 2004 [Member]
Other Income Tax Data [Line Items]          
Effective tax rate 34.50% 34.60% 34.50% 34.60%  
Refund received as a result of a resolution for tax years         $ 139