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Equity - Summary of Class A Common Shares and Class B Subordinate Voting Shares Issued and Outstanding (Detail) - shares shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of classes of share capital [line items] |  |
Beginning balance (in shares) | 534,200 |
Options exercised (in shares) | 10,117 | 3,189
Ending balance (in shares) | 513,700 | 534,200
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 |
Ending balance (in shares) | 7,765 | 7,765
Class B Subordinate Voting Shares |  |
Disclosure of classes of share capital [line items] |  |
Beginning balance (in shares) | 526,448 | 523,381
Options exercised (in shares) | 10,209 | 3,067
Acquired and cancelled pursuant to normal course issuer bid (in shares) | (30,703) |
Ending balance (in shares) | 505,954 | 526,448

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