CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($)	3 Months Ended			9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Net income (loss)	$ 256,000,000	$ 269,000,000		$ 476,000,000		$ 909,000,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(40,000,000)	35,000,000		(50,000,000)		158,000,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(34,000,000)	64,000,000	[1]	(50,000,000)	[1]	114,000,000
Other comprehensive income (loss)
Total other comprehensive income (loss)	(6,000,000)	(29,000,000)		0		44,000,000
Total comprehensive income (loss)	$ 250,000,000	$ 240,000,000		$ 476,000,000		$ 953,000,000

[1] There were no amounts excluded from effectiveness testing for any of the periods presented. Based on forecasted foreign currency exchange rates, TVA expects to reclassify approximately $25 million of gains from AOCI to Interest expense within the next 12 months to offset amounts anticipated to be recorded in Interest expense related to exchange loss on the debt.