Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Additional Information (Detail)

 v2.3.0.11
DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Additional Information (Detail) (USD $)
In Millions
Jun. 30, 2011
Derivative [Line Items]  
Maximum term over hedging exposures to the variability of cash flow 39Y
Pre-tax loss related to cash flow hedges that are currently deferred in AOCI and are expected to be reclassified to income over the 12 month period ended June 30, 2012 $ 132