XML 398 R140.htm IDEA: XBRL DOCUMENT v3.23.1
Stated Capital - Schedule of Stated Capital (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of classes of share capital [line items]    
Balance at beginning of the year $ 3,871.5  
Balance at end of the year 3,871.5 $ 3,871.5
Ordinary Shares    
Disclosure of classes of share capital [line items]    
Balance at beginning of the year 3,871.5 3,871.5
Balance at end of the year $ 3,871.5 $ 3,871.5
In issue at 1 January 887,717,348 883,333,518
Exercise of employee share options 3,661,223 4,383,830
In issue at 31 December 891,378,571 887,717,348
Authorised 2,000,000,000 2,000,000,000