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Equity Capital and Earnings Per Share - Summary of Further Information on Preferred Shares and Other Equity Instruments Outstanding (Parenthetical) (Detail) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Series 1(LRCN-Series 1) [member] | On JuneEighteen Two Thousand and Twenty Six and every Five Years Thereafter Until JuneNighteen Two Thousand and Seventy Six [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Floating dividend rate, description | rate equal to the five-year Government of Canada yield as defined in the prospectus, plus 2.839%. |
Interest rate, basis | 2.839 |
Other equity interest [member] | Series 1(LRCN-Series 1) [member] |  |
Disclosure of classes of share capital [Line Items] |  |
Earliest redemption date | May 19, 2026 |
Annual dividend rate | 3.375% |
Other equity interest [member] | Series 1(LRCN-Series 1) [member] | Before JuneEighteen Two Thousand and Twenty Six [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Interest rate | 3.375% |
Other equity interest [member] | Series 3(LRCN-Series 1) [member] |  |
Disclosure of classes of share capital [Line Items] |  |
Floating dividend rate, description | the rate will be reset at a rate equal to the five-year Government of Canada yield as defined in the prospectus, plus 3.95%. |
Earliest redemption date | Jun. 19, 2027 |
Interest rate | 7.117% |
Interest rate, basis | 3.95 |
Annual dividend rate | 7.117% |
Other equity interest [member] | Series 2 (LRCN-Series 2) [member] |  |
Disclosure of classes of share capital [Line Items] |  |
Earliest redemption date | Feb. 19, 2027 |
Annual dividend rate | 4.10% |
Other equity interest [member] | Series 2 (LRCN-Series 2) [member] | Before May Eighteen Two Thousand And Twenty Seven [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Interest rate | 4.10% |
Other equity interest [member] | Series 2 (LRCN-Series 2) [member] | On May Eighteen Two Thousand And Twenty Seven And Every Five Years Thereafter Until March Nineteen Two Thousand and Seventy Seventy [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Floating dividend rate, description | rate equal to the five-year Government of Canada yield as defined in the prospectus, plus 2.704%. |
Interest rate, basis | 2.704 |
Class 1, Series 4 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Earliest redemption date | Jun. 19, 2026 |
Class 1, Series 4 Preferred shares [Member] | If redeemed on June 19, 2021 [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Price per share |  | $ 25
Class 1, Series 4 Preferred shares [Member] | If redeemed after June 19, 2021 [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Price per share |  | $ 25.5
Class 1, Series 4 Preferred shares [Member] | Major ordinary share transactions [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Basis spread on dividend rate | 1.41% |
Floating dividend rate, description | three-month Government of Canada Treasury bill yield plus 1.41%. |
Class 1, Series 3 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 1.41% |
Earliest redemption date | Jun. 19, 2026 |
Annual dividend rate | 2.348% |
Class 1, Series 7 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Earliest redemption date | Mar. 19, 2022 |
Annual dividend rate | 4.312% |
Class 1, Series 9 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.86% |
Earliest redemption date | Sep. 19, 2027 |
Annual dividend rate | 5.978% |
Class 1, Series 11 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.61% |
Earliest redemption date | Mar. 19, 2023 |
Annual dividend rate | 4.731% |
Class 1, Series 13 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.22% |
Earliest redemption date | Sep. 19, 2023 |
Annual dividend rate | 4.414% |
Class 1, Series 15 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.16% |
Earliest redemption date | Jun. 19, 2024 |
Annual dividend rate | 3.786% |
Class 1, Series 17 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.36% |
Earliest redemption date | Dec. 19, 2024 |
Annual dividend rate | 3.80% |
Class 1, Series 19 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.30% |
Earliest redemption date | Mar. 19, 2025 |
Annual dividend rate | 3.675% |
Class 1, Series 23 Preferred shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Earliest redemption date | Mar. 19, 2022 |
Annual dividend rate | 4.85% |
Class 1, Series 25 Preferred Shares [Member] |  |
Disclosure of classes of share capital [Line Items] |  |
Specified yield percentage | 2.55% |
Earliest redemption date | Jun. 19, 2023 |
Annual dividend rate | 4.70% |

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