Capital Stock - Schedule of Changes in Number of Common Shares Outstanding (Detail) - shares	6 Months Ended	12 Months Ended
Jun. 30, 2023	Dec. 31, 2022
Class Of Stock [Line Items]
Beginning balance	238,885,730	249,792,908
Treasury shares	(399,530)	(13,998,889)
Ending balance	241,350,512	238,885,730
Restricted Stock
Class Of Stock [Line Items]
Restricted stock grants	47,800	671,303
Restricted stock units vested	1,752,991	1,827,625
Performance Share
Class Of Stock [Line Items]
Performance stock units issued	1,057,245	590,940
Performance stock dividends	6,276	1,843

Treasury stock shares acquired and issued.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares of common stock issued as dividends during the period. Excludes stock splits.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of new stock issued during the period.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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