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SHAREHOLDERS' EQUITY - Capital Stock (Details) number in Millions | Dec. 31, 2024 vote shares | Apr. 03, 2023 shares | Apr. 03, 2023 | Feb. 28, 2022 $ / shares shares
--- | --- | --- | --- | ---
Shaw Communications Inc. |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Class B non-voting shares (in shares) |  | 23,600,000 | 23.6 |
Preferred shares |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number of shares authorized for issue (in shares) | 400,000,000 |  |  |
Class A Voting Shares |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number of shares authorized for issue (in shares) | 112,474,388 |  |  |
Number of votes entitled to | vote | 50 |  |  |
Class B Non-Voting Shares |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number of shares authorized for issue (in shares) | 1,400,000,000 |  |  |
Series I Preferred Shares | Major ordinary share transactions |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number of shares authorized for issue (in shares) |  |  |  | 3,300,000
Series II Preferred Shares | Preferred Shares Transaction | Senior Notes Due 2082 | Floating interest rate |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number of shares authorized for issue (in shares) |  |  |  | 1,400,000
Series I And II Preferred Shares | Preferred Shares Transaction | Senior Notes Due 2082 | Floating interest rate |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Par value per share | $ / shares |  |  |  | $ 1,000

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