Earnings per share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings per share [abstract]

Disclosure of detailed information on earnings per share

Profit/(loss) attributable to ordinary shareholders of the parent company
	Half-year to
	30 Jun		30 Jun		31 Dec
	2020		2019		2019
	$m		$m		$m
Profit attributable to shareholders of the parent company	2,639		9,216		(1,833	)
Dividend payable on preference shares classified as equity	(45	)	(45	)	(45	)
Coupon payable on capital securities classified as equity	(617	)	(664	)	(660	)
Profit/(loss) attributable to ordinary shareholders of the parent company	1,977		8,507		(2,538	)

Basic and diluted earnings per share
		Half-year to
		30 Jun 2020			30 Jun 2019			31 Dec 2019
		Profit	Number of shares	Amount per share	Profit	Number of shares	Amount per share	Profit/(loss)		Number of shares	Amount per share
	Footnotes	$m	(millions)	$	$m	(millions)	$	$m		(millions)	$
Basic	1	1,977	20,162	0.10	8,507	20,124	0.42	(2,538	)	20,191	(0.13	)
Effect of dilutive potential ordinary shares			58			65				—
Diluted	1	1,977	20,220	0.10	8,507	20,189	0.42	(2,538	)	20,191	(0.13	)

1 Weighted average number of ordinary shares outstanding (basic) or assuming dilution (diluted).