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Condensed Consolidated Balance Sheets (Parenthetical) - £ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value	£ 0.5	£ 0.5
Common stock, shares authorized, unlimited	Unlimited	Unlimited
Common stock, issued	421,270,432	418,141,295
Common stock, outstanding	410,735,780	408,824,093
Treasury Stock, Shares	10,534,652	9,317,202

X

- Definition

Face amount or stated value per share of common stock.

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Indicates that the number of common shares permitted to be issued by an entity's charter and bylaws is unlimited. The acceptable value is "Unlimited".

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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