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Equity - Summary of Class A Common Shares and Class B Subordinate Voting Shares Issued and Outstanding (Detail) shares in Thousands | 12 Months Ended
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Dec. 31, 2023 shares | Dec. 31, 2022 shares
Disclosure of classes of share capital [line items] |  |
Beginning balance (in shares) | 513,700 |
Options exercised (in shares) | 3,117 | 10,117
Ending balance (in shares) | 517,300 | 513,700
Class A Common Shares |  |
Disclosure of classes of share capital [line items] |  |
Beginning balance (in shares) | 7,765 | 7,765
Options exercised (in shares) | 0 | 0
Acquired and cancelled pursuant to normal course issuer bid (in shares) | 0 | 0
Class A common shares conversation (in shares) | (110) |
Shares issued on dual class amendment (in shares) | 0 |
Ending balance (in shares) | 7,655 | 7,765
Class B Subordinate Voting Shares |  |
Disclosure of classes of share capital [line items] |  |
Beginning balance (in shares) | 505,954 | 526,448
Options exercised (in shares) | 3,139 | 10,209
Acquired and cancelled pursuant to normal course issuer bid (in shares) | (4,738) | (30,703)
Class A common shares conversation (in shares) | 110 |
Shares issued on dual class amendment (in shares) | 5,203 |
Ending balance (in shares) | 509,668 | 505,954

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