EARNINGS PER COMMON SHARE AND DIVIDENDS PER SHARE - Schedule of Dividends Per Share (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2025 $ / shares	Mar. 31, 2025 $ / shares	Jun. 30, 2025 $ / shares	Jun. 30, 2025 $ / shares
Dividends Payable [Line Items]
Common stock, dividends, per share, declared (in Canadian dollars per share)			$ 0.9425
Preference Shares, Series A
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.34375
Preference Shares, Series B
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.32513
Preference Shares, Series D
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.33825
Preference Shares, Series F
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.34613
Preference Shares, Series G
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)	$ 0.32515	$ 0.34468	0.32515
Preference Shares, Series H
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.382
Preference Shares, Series I
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)	0.30058	0.32011	0.30058
Preference Shares, Series L
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)				$ 0.36612
Preference Shares, Series N
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.4185
Preference Shares, Series P
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.36988
Preference Shares, Series R
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.39463
Preference Shares, Series 1
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)				0.41898
Preference Shares, Series 3
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.3305
Preference Shares, Series 4
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)	0.31696	0.33649	0.31696
Preference Shares, Series 5
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)				$ 0.41769
Preference Shares, Series 7
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.37425
Preference Shares, Series 9
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.3545
Preference Shares, Series 11
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.34231
Preference Shares, Series 13
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)	$ 0.33719	$ 0.19019	0.33719
Preference Shares, Series 15
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			0.18644
Preference Shares, Series 19
Dividends Payable [Line Items]
Preferred shares, dividend declared per share (in Canadian dollars per share)			$ 0.38825