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Dividends (Tables)
12 Months Ended
Dec. 31, 2020
Disclosure Of Dividends [Abstract]  
Summary of dividends paid

2020
US$m
2019
US$m
2018
US$m
Rio Tinto plc previous year final dividend paid 2,783 2,245 2,446 
Rio Tinto plc previous year special dividend paid 3,032 — 
Rio Tinto plc interim dividend paid 1,937 1,930 1,666 
Rio Tinto plc interim special dividend paid 780 — 
Rio Tinto Limited previous year final dividend paid 857 666 731 
Rio Tinto Limited previous year special dividend paid 900 — 
Rio Tinto Limited interim dividend paid 555 556 513 
Rio Tinto Limited interim special dividend paid 225 — 
Dividends paid during the year6,132 10,334 5,356 
Dividends per share: paid during the year386.0 c635.0 c307.0 c
Final dividends per share: proposed in the announcement of the results for the year 309.0 c231.0 c180.0 c
Special dividends per share: proposed in the announcement of the results for the year93.0 c— 243.0 c
Summary of dividends per share
Dividends
per share
2020
Dividends
per share
2019
Dividends
per share
2018
Rio Tinto plc previous year final (pence)177.47 p135.96 p129.43 p
Rio Tinto plc previous year special (pence) 183.55 p— 
Rio Tinto plc interim (pence)119.74 p123.32 p96.82 p
Rio Tinto plc interim special (pence) 49.82 p— 
Rio Tinto Limited previous year final – fully franked at 30% (Australian cents)349.74 c250.89 c228.53 c
Rio Tinto Limited previous year special – fully franked at 30% (Australian cents) 338.70 c— 
Rio Tinto Limited interim – fully franked at 30% (Australian cents)216.47 c219.08 c170.84 c
Rio Tinto Limited interim special – fully franked at 30% (Australian cents) 88.50 c— 
Summary of number of shares dividend distributed
Number of
shares
2020
(millions)
Number of
shares
2019
(millions)
Number of
shares
2018
(millions)
Rio Tinto plc previous year final 1,246.4 1,265.0 1,334.8 
Rio Tinto plc previous year special N/A1,265.0 N/A
Rio Tinto plc interim 1,246.5 1,256.4 1,308.4 
Rio Tinto plc interim specialN/A1,256.4 N/A
Rio Tinto Limited previous year final 371.2 371.2 412.4 
Rio Tinto Limited previous year special N/A371.2 N/A
Rio Tinto Limited interim 371.2 371.2 412.4 
Rio Tinto Limited interim specialN/A371.2 N/A