XML 31 R2.htm IDEA: XBRL DOCUMENT v3.5.0.2
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Operating revenues        
Revenue from sales of electricity $ 2,437 $ 2,522 $ 7,212 $ 7,722
Other revenue 42 36 118 110
Total operating revenues 2,479 2,558 7,330 7,832
Operating expenses        
Fuel 463 608 1,427 1,744
Purchased power 201 244 685 736
Operating and maintenance 677 738 2,086 2,083
Depreciation and amortization 451 534 1,377 1,440
Tax equivalents 121 128 372 383
Total operating expenses 1,913 2,252 5,947 6,386
Operating income 566 306 1,383 1,446
Other income (expense), net 9 8 29 25
Interest expense        
Interest expense 343 337 1,015 1,020
Allowance for funds used during construction (59) (55) (175) (158)
Net interest expense 284 282 840 862
Net income (loss) $ 291 $ 32 $ 572 $ 609