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Supplemental Cash Flow Information - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Supplemental Cash Flow Information
Interest paid	$ 1,100	$ 1,100
Capital lease obligations incurred		394	$ 10
Non-cash financing activities		80
Non-cash investing activities		73
Interest Paid, Excluding Capitalized Interest, Operating Activities			1,200
Lease assets obtained in exchange for lease obligations - finance	233	394
Accounts payable and accrued liabilities
Supplemental Cash Flow Information
Construction in progress and Nuclear fuel expenditures	$ 637	$ 398	$ 324

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Lease assets obtained in exchange for lease obligations - finance

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Also, The net cash inflow or outflow from any material that is commonly used in the generation of nuclear energy.

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Amount of increase in lease obligation from new lease.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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