Shareholders' Equity (Stock Option Plans) (Details) - $ / shares shares in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of Shares
Beginning balance (in shares)	19,084	18,495	15,706
Granted (in shares)	2,215	3,323	4,529
Exercised (in shares)	(1,537)	(1,719)	(1,563)
Expired or canceled (in shares)	(992)	(1,015)	(177)
Ending balance (in shares)	18,770	19,084	18,495
Weighted Average Price
Beginning balance (in USD per share)	$ 54.35	$ 51.15	$ 47.43
Granted (in USD per share)	61.74	60.48	56.54
Exercised (in USD per share)	35.03	29.73	28.83
Expired or canceled (in USD per share)	59.52	57.92	55.76
Ending balance (in USD per share)	$ 56.52	$ 54.35	$ 51.15
Total options that were exercisable (in shares)	9,043	8,638
Exercisable shares, weighted avg. price (in USD per share)	$ 52.68
Available for future grant as of December 31, 2018 (in shares)	10,354

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Net number of share options (or share units) granted during the period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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