Consolidated Balance Sheets (Parenthetical) - £ / shares	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value (in pounds sterling per share)	£ 0.05	£ 0.05
Common stock, issued (in shares)	667,659,630	667,659,630
Common stock, outstanding (in shares)	648,654,174	643,536,094