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Group income statement - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Consolidated operations      
Consolidated sales revenue $ 40,030 $ 33,781 $ 34,829
Net operating costs (excluding items shown separately) (26,983) (26,799) (27,919)
Impairment charges (796) (249) (2,791)
Net gains on disposal of interests in businesses 2,344 515 64
Exploration and evaluation costs (445) (497) (576)
(Loss)/profit relating to interests in undeveloped projects (15) 44 8
Operating profit 14,135 6,795 3,615
Share of profit after tax of equity accounted units 339 321 361
Profit before finance items and taxation 14,474 7,116 3,976
Finance items      
Net exchange (losses)/gains on external debt and intragroup balances (601) 611 (3,538)
Net gains/(losses) on derivatives not qualifying for hedge accounting 33 (24) (88)
Finance income 141 89 52
Finance costs (848) (1,111) (750)
Amortisation of discount (383) (338) (378)
Net finance income (expense) (1,658) (773) (4,702)
Profit/(loss) before taxation 12,816 6,343 (726)
Taxation (3,965) (1,567) (993)
Profit/(loss) after tax for the year 8,851 4,776 (1,719)
– attributable to owners of Rio Tinto (net earnings/(loss)) 8,762 4,617 (866)
– attributable to non-controlling interests (net earnings/(loss)) $ 89 $ 159 $ (853)
Basic earnings/(loss) per share $ 490.4 $ 256.9 $ (47.5)
Diluted earnings/(loss) per share $ 486.9 $ 255.3 $ (47.5)