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SHORT-TERM DEBT Senior Notes (Details) - Senior Notes 2017 - USD ($)
$ in Millions
Oct. 20, 2014
Oct. 24, 2007
Nov. 01, 2017
Short-term Debt      
Debt issuance date   Oct. 24, 2007  
Aggregate face amount   $ 600  
Amount of extinguishment of debt $ 500    
Payment of 2017 Senior Notes     $ 100