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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Operating revenues
Electric revenue	$ 12,371	$ 10,357	$ 10,104
Other revenue	169	146	145
Revenue from sales of electricity	12,540	10,503	10,249
Operating expenses
Fuel	2,567	1,737	1,584
Purchased power	1,921	984	880
Operating and maintenance	2,986	2,890	2,720
Depreciation and amortization	2,054	1,533	1,826
Tax equivalents	601	514	528
Total operating expenses	10,129	7,658	7,538
Operating income	2,411	2,845	2,711
Other income (expense), net	7	13	36
Defined Benefit Plan, Other Cost (Credit)	258	258	253
Interest expense
Interest expense	1,052	1,088	1,142
Net income (loss)	1,108	1,512	1,352
ALABAMA
Operating revenues
Electric revenue	1,778	1,508	1,439
GEORGIA
Operating revenues
Electric revenue	299	254	249
KENTUCKY
Operating revenues
Electric revenue	821	655	624
MISSISSIPPI
Operating revenues
Electric revenue	1,182	984	941
NORTH CAROLINA
Operating revenues
Electric revenue	87	66	65
TENNESSEE
Operating revenues
Electric revenue	8,137	6,841	6,740
VIRGINIA
Operating revenues
Electric revenue	$ 48	$ 42	$ 42

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