CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022 CAD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2020 CAD ($)
Operating activities
Earnings	$ 2,938	$ 6,314	$ 3,416
Adjustments to reconcile earnings to net cash provided by operating activities:
Depreciation and amortization	4,317	3,852	3,712
Deferred income tax expense (Note 25)	957	1,091	447
Unrealized derivative fair value (gain)/loss, net (Note 24)	1,280	(173)	(756)
Income from equity investments (Note 13)	(2,056)	(1,711)	(1,136)
Distributions from equity investments	1,827	1,630	1,392
Impairment of long-lived assets	541	0	0
Impairment of equity investments (Note 13)	0	111	2,351
Impairment of goodwill (Note 16)	2,465	0	0
Gain on joint venture merger transaction (Note 13)	(1,076)	0	0
(Gain)/loss on dispositions	12	(319)	(6)
Other	37	(73)	268
Changes in operating assets and liabilities (Note 29)	(12)	(1,466)	93
Net cash provided by operating activities	11,230	9,256	9,781
Investing activities
Capital expenditures	(4,647)	(7,818)	(5,405)
Long-term investments and restricted long-term investments	(1,041)	(640)	(487)
Distributions from equity investments in excess of cumulative earnings	763	533	705
Additions to intangible assets	(174)	(275)	(215)
Acquisitions	(828)	(3,785)	(24)
Proceeds from joint venture merger transaction (Note 13)	522	0	0
Proceeds from dispositions	0	1,263	265
Affiliate loans, net	135	65	(16)
Net cash used in investing activities	(5,270)	(10,657)	(5,177)
Financing activities
Net change in short-term borrowings	481	394	223
Net change in commercial paper and credit facility draws	(1,333)	2,960	1,542
Debenture and term note issues, net of issue costs	7,547	8,032	5,230
Debenture and term note repayments	(4,198)	(2,264)	(4,463)
Sale of noncontrolling interest in subsidiary (Note 8)	1,092	0	0
Contributions from noncontrolling interests	13	15	23
Distributions to noncontrolling interests	(259)	(271)	(300)
Common shares issued	3	5	5
Common shares repurchased	(151)	0	0
Preference share dividends	(338)	(367)	(380)
Common share dividends	(6,968)	(6,766)	(6,560)
Redemption of preference shares	(1,003)	0	0
Redemption of preferred shares held by subsidiary	0	(415)	0
Other	(314)	(87)	(90)
Net cash provided by/(used in) financing activities	(5,428)	1,236	(4,770)
Effect of translation of foreign denominated cash and cash equivalents and restricted cash	55	(5)	(20)
Net change in cash and cash equivalents and restricted cash	587	(170)	(186)
Cash and cash equivalents and restricted cash at beginning of year	320	490	676
Cash and cash equivalents and restricted cash at end of year	907	320	490
Supplementary cash flow information
Cash paid for income taxes	495	489	524
Cash paid for interest, net of amount capitalized	2,920	2,427	2,538
Property, plant and equipment and intangible assets non-cash accruals	$ 937	$ 831	$ 801