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SHARE-BASED PAYMENTS (Tables)
 12 Months Ended
Dec. 31, 2022
Disclosure of share-based payment arrangements [Abstract]  
Disclosure of Share-based Payment Expense
US Dollars
Figures in millions202220212020
Equity-settled share incentive schemes
Deferred Share Plan (DSP)18 22 14 
Other— — 2 
Total share-based payment expense (note 8)
18 22 16 
Disclosure of Fair Value and Terms of Equity Schemes
Award date (unexercised awards)2018
Calculated fair valueR119.14 
Vesting date 50%
22 Feb 2019
Vesting date 50%
22 Feb 2020
Expiry date22 Feb 2028
Award date (unvested awards and awards vested during the year)202220212020
Calculated fair valueR335.04 R308.97 R325.97 
DSP 2 year
Vesting date 50%
24 Feb 202324 Feb 202225 Feb 2021
Vesting date 50%
24 Feb 202424 Feb 202325 Feb 2022
DSP 3 year
Vesting date 33%
24 Feb 202324 Feb 202225 Feb 2021
Vesting date 33%
24 Feb 202424 Feb 202325 Feb 2022
Vesting date 34%
24 Feb 202524 Feb 202425 Feb 2023
DSP 5 year
Vesting date 20%
24 Feb 202324 Feb 202225 Feb 2021
Vesting date 20%
24 Feb 202424 Feb 202325 Feb 2022
Vesting date 20%
24 Feb 202524 Feb 202425 Feb 2023
Vesting date 20%
24 Feb 202624 Feb 202525 Feb 2024
Vesting date 20%
24 Feb 202724 Feb 202625 Feb 2025
Expiry date24 Feb 203224 Feb 203125 Feb 2030
Award date (unexercised awards)2015
Calculated fair valueR129.94 
Vesting date3 Mar 2018
Expiry date3 Mar 2025
Disclosure of Activity of Equity Schemes
Number of shares
202220212020
Awards outstanding at beginning of year849,683 1,005,977 2,141,415 
Awards lapsed during the year(3,581)— — 
Awards exercised during the year(219,580)(156,294)(1,135,438)
Awards outstanding and exercisable at end of year626,522 849,683 1,005,977 
Number of shares
202220212020
Awards outstanding at beginning of year2,692,383 2,289,762 1,599,360 
Awards granted during the year793,955 1,185,348 1,176,532 
Awards lapsed during the year(163,697)(322,814)(155,575)
Awards exercised during the year(839,033)(459,913)(330,555)
Awards outstanding at end of year2,483,608 2,692,383 2,289,762 
Awards exercisable at end of year693,211 588,694 183,439 
Number of shares
202220212020
Awards outstanding at beginning of year109,229 111,562 229,639 
Awards exercised during the year(46,521)(2,333)(118,077)
Awards outstanding and exercisable at end of year62,708 109,229 111,562