Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Stock option exercises/deferred stock unit conversions, shares | 399,810 | 987,758 | 408,563 |
| Stock Redeemed or Called During Period, Shares | 6,000,000 | ||
| Stock Issued During Period, Shares, New Issues | 150,000 | ||
| Treasury Stock, Shares, Acquired | 31,351 | 31,317 | 206,951 |
| Stock Issued During Period, Shares, Treasury Stock Reissued | 18,555 | 140,264 | |
| Preferred Stock, Dividends Per Share, Declared | $ 44.50 | $ 47.71 | $ 0.34 |
| Preferred stock, Dividends equivalent per depositary share, Declared | 1.11 | 1.19 | |
| Common Stock, Dividends, Per Share, Cash Paid | $ 3.24 | $ 2.94 | $ 2.85 |
| X | ||||||||||
- Definition Preferred stock, Dividends equivalent per depositary share, Declared No definition available.
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| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. No definition available.
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of stock bought back by the entity at the exercise price or redemption price. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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