XML 552 R106.htm IDEA: XBRL DOCUMENT v3.24.0.1
Dividends - Summary of dividends paid (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of Dividends [Line Items]      
Dividends payable during the year $ 6,466 $ 11,716 $ 15,385
Net movement of unclaimed dividends in the year 4 11 (28)
Dividends paid during the year 6,470 11,727 15,357
Rio Tinto plc | Final Dividends      
Disclosure of Dividends [Line Items]      
Previous year dividend payable 2,875 5,024 3,809
Rio Tinto plc | Special Dividends      
Disclosure of Dividends [Line Items]      
Previous year dividend payable 0 747 1,146
Rio Tinto plc | Interim Dividends      
Disclosure of Dividends [Line Items]      
Interim dividend payable 2,147 3,162 4,627
Rio Tinto plc | Interim Special Dividends      
Disclosure of Dividends [Line Items]      
Interim dividend payable 0 0 2,276
Rio Tinto Limited | Final Dividends      
Disclosure of Dividends [Line Items]      
Previous year dividend payable 815 1,597 1,138
Rio Tinto Limited | Special Dividends      
Disclosure of Dividends [Line Items]      
Previous year dividend payable 0 237 343
Rio Tinto Limited | Interim Dividends      
Disclosure of Dividends [Line Items]      
Interim dividend payable 629 949 1,372
Rio Tinto Limited | Interim Special Dividends      
Disclosure of Dividends [Line Items]      
Interim dividend payable $ 0 $ 0 $ 674