Share Capital and Premium (Tables)

12 Months Ended

Dec. 31, 2019

Share Capital, Reserves And Other Equity Interest [Abstract]

Disclosure of Share Capital

	US Dollars
Figures in millions	2019		2018		2017
Share capital
Authorised
600,000,000 ordinary shares of 25 SA cents each	23		23		23
2,000,000 A redeemable preference shares of 50 SA cents each	—		—		—
5,000,000 B redeemable preference shares of 1 SA cent each	—		—		—
30,000,000 C redeemable preference shares of no par value	—		—		—
	23		23		23
Issued and fully paid
415,301,215 (2018: 412,769,980; 2017: 410,054,615) ordinary shares of 25 SA cents each	17		16		16
2,000,000 A redeemable preference shares of 50 SA cents each	—		—		—
778,896 B redeemable preference shares of 1 SA cent each	—		—		—
	17		16		16
Treasury shares held within the group:
2,778,896 A and B redeemable preference shares	—		—		—
	17		16		16
Share premium
Balance at beginning of year	7,208		7,171		7,145
Ordinary shares issued - share premium	27		37		26
	7,235		7,208		7,171
Less: held within the group
Redeemable preference shares	(53	)	(53	)	(53	)
Balance at end of year	7,182		7,155		7,118
Share capital and premium	7,199		7,171		7,134