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Supplementary Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2024

Supplemental Cash Flow Elements [Abstract]

Supplementary Information to Consolidated Statements of Cash Flows

($ millions)			2024						2023
Years ended December 31
Cash paid (received) for
Interest			1,361						1,255
Income taxes			(17)						129
Change in working capital
Accounts receivable and other current assets			(2)						142
Prepaid expenses			(21)						(7)
Inventories			(73)						(1)
Regulatory assets - current portion			93						104
Accounts payable and other current liabilities			115						(390)
Regulatory liabilities - current portion			56						71
			168						(81)
Non-cash financing activity
Common share dividends reinvested			434						408
As at December 31
Non-cash investing and financing activities
Accrued capital expenditures			722						516
Contributions in aid of construction			14						15

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