Shareholders' Equity - Share repurchase program (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Aggregate cost of shares repurchased	$ 585,823	$ 1,234,294	$ 83,472
Number of shares repurchased (shares)	12,891,405	31,486,830	2,850,102
Average price per share repurchased	$ 45.44	$ 39.20	$ 29.29
Common shares held in treasury (shares)	217,904,765	204,365,956	172,280,199
Common shares held in treasury, at cost	$ 4,377,920	$ 3,761,095
Common shares
Class of Stock [Line Items]
Remaining share repurchase authorization	$ 1,000,000
Cumulative number of shares acquired since inception of share repurchase program	433,600,000
Aggregate purchase price of shares acquired since inception of share repurchase program	$ 5,900,000

Cumulative number of shares that have been repurchased since the inception of the share repurchase program.

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Aggregate cumulative purchase price of common and preferred stock that have been repurchased since the inception of the share repurchase program.

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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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Amount remaining of a stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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