LONG-TERM DEBT - Other (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended
	Sep. 30, 2027	Jun. 06, 2011	Oct. 31, 2013 Senior Notes 2020 [Member]	Aug. 09, 2011 Senior Notes 2020 [Member]	Oct. 31, 2013 Senior Notes 2015 [Member]	Jun. 06, 2011 Senior Notes 2015 [Member]	Oct. 31, 2013 Senior Notes 2017 [Member]	Nov. 25, 2008 Senior Notes 2017 [Member] contracts
Schedule Of Interest Rate Swaps Regarding Senior Notes Offered [Line Items]
Debt Instrument, Maturity Date	Sep. 30, 2027
Interest rate swaps terminated date		June 6, 2011		August 9, 2011				November 25, 2008
Number of interest swaps terminated on specified date								2
Notional Amount of Terminated Interest Rate Swaps				$ 500		$ 500		$ 400
Asset Value of Terminated Interest Rate Swaps				34		31		43
Amount to be amortized on terminated interest rate swaps associated with senior notes			$ 26		$ 12		$ 22