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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Treasury shares	10,900,000	11,400,000	11,200,000
Treasury stock reissued	2,800,000	3,100,000	1,300,000

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Number of shares that have been repurchased during the period and are being held in treasury.

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