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GUARANTEES (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Income and Revenue Collection Guarantee
 
Guarantee Obligations  
Maximum potential amount of future payments under guarantees $ 109
Guarantee obligations for recorded liabilities, current 74
Guaranteed Minimum Rent
 
Guarantee Obligations  
Maximum potential amount of future payments under guarantees 4
Liability for the fair value of guarantees 2
Guarantee obligations for recorded liabilities, current 1
Guarantee obligations for recorded liabilities, long term $ 1