Earnings per common share - Computations of Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Earnings Per Share [Abstract] | ||
| Net income available to common equity | $ 621 | $ 548 |
| Less: Income attributable to unvested stock-based compensation awards | (1) | (1) |
| Net income available to common shareholders | $ 620 | $ 547 |
| Adjusted weighted-average shares outstanding: | ||
| Common shares outstanding (including common stock issuable) and unvested stock-based compensation awards (in shares) | 149,487 | 164,520 |
| Less: Unvested stock-based compensation awards (in shares) | (262) | (311) |
| Plus: Incremental shares from assumed conversion of stock-based compensation awards (in shares) | 884 | 838 |
| Adjusted weighted-average shares outstanding (in shares) | 150,109 | 165,047 |
| Diluted earnings per common share (in USD per share) | $ 4.13 | $ 3.32 |
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- Definition The weighted average number of common shares outstanding (including common stock issuable) and unvested stock-based compensation awards. No definition available.
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- Definition Income attributable to unvested stock based compensation awards. This amount is used as a reduction to net income available to common equity in the calculation of net income available to common shareholders as used in the determination of diluted earnings per share. No definition available.
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- Definition Net income loss available to common stockholders before unvested stock based compensation awards adjustment as used in the determination of diluted earnings per common share. No definition available.
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- Definition Number of shares related to unvested stock-based compensation awards. This amount is a reduction in the calculation of weighted average shares outstanding for the earnings per share calculation. No definition available.
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- References No definition available.
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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