Condensed Consolidated Balance Sheets (Parenthetical) - £ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Common stock, par value	£ 0.5	£ 0.5
Common stock, shares authorized, unlimited	Unlimited	Unlimited
Common stock, issued	417,092,401	412,333,087
Common stock, outstanding	408,133,807	404,346,256
Treasury Stock, Shares	8,958,594	7,986,831