Dividends (Tables)

12 Months Ended

Dec. 31, 2020

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Summary of Dividends Paid and Proposed

	2020 cents per share		2019 cents per share		2018 cents per share		2020 $m		2019 $m		2018 $m
Paid during the year
Final (declared for previous year)		—		78.1		71.0		—		139		130
Interim		—		39.9		36.3		—		72		69
Special (note 29)		—		262.1		—		—		510		—
		—		380.1		107.3		—		721		199
Proposed (not recognised as a liability at 31 December)
Final		—		—		78.1		—		—		141