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v3.22.1

Subsequent Event - Additional Information (Detail) $ in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Feb. 28, 2022 USD ($) shares | Feb. 28, 2022 CAD ($) shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Cash consideration received in lieu of cancellation |  |  | $ 517 | $ 203
Subsequent Event [Member] |  |  |  |
Cancellation of common shares | shares | 1,600,500 | 1,600,500 |  |
Stock-based compensation awards, common shares | shares | 165,773 | 165,773 |  |
Cash consideration received in lieu of cancellation | $ 132 |  |  |
Subsequent Event [Member] | Senior Notes Redemption [Member] |  |  |  |
Debt Instrument, Face Amount |  | $ 425 |  |
Gain (Loss) on Extinguishment of Debt |  | 5 |  |
Debt instrument redemption price amount |  | $ 430 |  |
Subsequent Event [Member] | Notes [Member] |  |  |  |
Senior note percentage |  | 3.10% |  |

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