XML 72 R47.htm IDEA: XBRL DOCUMENT v3.24.0.1
Dividends and other reserves - Schedule of dividends (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Share Capital, Reserves And Other Equity Interest [Abstract]        
Final dividend for the year ended 30 June 2023 of 59.98 cents per share (2022 - 52.71 cents)(1) $ 1,349 $ 1,200    
Final dividend per share (in USD per share)     $ 0.5998 $ 0.5271