Dividends (Tables)

12 Months Ended

Dec. 31, 2022

Text Block [Abstract]

Summary of Dividends Paid

2022

2021

2020

Paid during the year

cents per share

$m

cents per share

$m

cents per share

$m

Final (declared for previous year)

85.9

154

–

–

–

–

Interim

43.9

79

–

–

–

–

129.8

233

–

–

–

–