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Taxation (Tables)
6 Months Ended
Jun. 30, 2021
Disclosure of income tax [Abstract]  
Disclosure of income tax expense
Six monthsSix monthsYear
endedendedended
JunJunDec
202120202020
US Dollar millionUnauditedUnauditedAudited
South African taxation
Normal taxation 
Prior year (over) under provision(1)— — 
Deferred taxation
Other temporary differences (1)
 (13)74 
(1)(12)75 
Foreign taxation
Normal taxation115 225 553 
Prior year under (over) provision 
Deferred taxation
Temporary differences (2)
14 (4)
Prior year under (over) provision — (6)
Change in estimate4 (2)(14)
Change in statutory tax rate2 — — 
135 220 550 
134 208 625 
(1) Included in other temporary differences in South African taxation for the year ended 31 December 2020 are deferred tax assets of $78m, which were derecognised during the fourth quarter of 2020; $9m thereof as part of the disposal of the South African assets and the remaining $69m on consideration of future recoverability.

(2) Temporary differences in Foreign taxation for the six months ended 30 June 2021 include amounts giving rise to deferred tax assets (limited to generated taxable income) at Obuasi of nil (Dec 2020: $7m).