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Statement of Cash Flows, Supplemental Disclosures
9 Months Ended
Jun. 30, 2024
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures Supplemental Cash Flow Information
Construction in progress and nuclear fuel expenditures included in Accounts payable and accrued liabilities at June 30, 2024 and 2023, were $703 million and $395 million, respectively, and are excluded from the Consolidated Statements of Cash Flows for the nine months ended June 30, 2024 and 2023, as non-cash investing activities. ARO project accruals included in Accounts payable and accrued liabilities at June 30, 2024 and 2023 were $46 million and $69 million, respectively, and are excluded from the Consolidated Statements of Cash Flows for the nine months ended June 30, 2024 and 2023, as non-cash operating activities.

Cash flows from swap contracts that are accounted for as hedges are classified in the same category as the item being
hedged or on a basis consistent with the nature of the instrument.