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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Operating revenues
Electric revenue	$ 11,159	$ 11,075	$ 10,586
Other revenue	159	158	153
Revenue from sales of electricity	11,318	11,233	10,739
Operating expenses
Fuel	1,896	2,049	2,169
Purchased power	1,007	973	991
Operating and maintenance	3,090	2,598	2,604
Depreciation and amortization	1,973	2,527	1,717
Tax equivalents	541	518	525
Total operating expenses	8,507	8,665	8,006
Operating income	2,811	2,568	2,733
Other income (expense), net	62	50	56
Defined Benefit Plan, Other Cost (Credit)	258	256	758
Interest expense
Interest expense	1,198	1,243	1,346
Net income (loss)	1,417	1,119	685
ALABAMA
Operating revenues
Electric revenue	1,593	1,600	1,524
GEORGIA
Operating revenues
Electric revenue	270	267	252
KENTUCKY
Operating revenues
Electric revenue	691	696	665
MISSISSIPPI
Operating revenues
Electric revenue	1,063	1,052	1,016
NORTH CAROLINA
Operating revenues
Electric revenue	74	66	57
TENNESSEE
Operating revenues
Electric revenue	7,419	7,350	7,041
VIRGINIA
Operating revenues
Electric revenue	$ 45	$ 48	$ 47

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