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Group income statement - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Consolidated operations      
Consolidated sales revenue $ 43,165 $ 40,522 $ 40,030
Net operating costs (excluding items shown separately) (27,307) (27,115) (26,983)
Impairment charges (3,487) (132) (796)
Net (losses)/gains on consolidation and disposal of interests in businesses (291) 4,622 2,344
Exploration and evaluation costs (624) (488) (445)
Profit/(loss) relating to interests in undeveloped projects 10 278 (15)
Operating profit 11,466 17,687 14,135
Share of profit after tax of equity accounted units 301 513 339
Profit before finance items and taxation 11,767 18,200 14,474
Finance items      
Net exchange gains/(losses) on net external and intragroup debt balances 58 704 (601)
Net (losses)/gains on derivatives not qualifying for hedge accounting (68) (57) 33
Finance income 300 249 141
Finance costs (554) (552) (848)
Amortisation of discount (384) (377) (383)
Net finance income (expense) (648) (33) (1,658)
Profit before taxation 11,119 18,167 12,816
Taxation (4,147) (4,242) (3,965)
Profit after tax for the year 6,972 13,925 8,851
Profit after tax for the year – attributable to owners of Rio Tinto (net earnings) 8,010 13,638 8,762
Profit after tax for the year – attributable to non-controlling interests $ (1,038) $ 287 $ 89
Basic earnings per share (in usd per share) $ 491.4 $ 793.2 $ 490.394
Diluted earnings per share (in usd per share) $ 487.8 $ 787.6 $ 486.919