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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Net income (loss) $ 54 $ (94) $ (191) $ (267)
Other comprehensive income (loss)        
Net unrealized gain (loss) on cash flow hedges (49) 21 (16) 64
Reclassification to earnings from cash flow hedges 63 [1] (28) [1] 58 [1] (26) [1]
Total other comprehensive income (loss) 14 (7) 42 38
Total comprehensive income (loss) $ 68 $ (101) $ (149) $ (229)
[1] There were no ineffective portions or amounts excluded from effectiveness testing for any of the periods presented.