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Other disclosures - (Tables)
 6 Months Ended
Jun. 30, 2020
Other Disclosures [Abstract]  
Summary of transactions and balances with equity accounted units
Income statement itemsSix months ended 30 June 2020Six months ended 30 June 2019
US$mUS$m
Purchases from equity accounted units(519)(529)
Sales to equity accounted units119141
Cash flow statement items
Dividends from equity accounted units183318
Net funding of equity accounted units(14)(12)

30 June 202031 December 2019
Balance sheet itemsUS$mUS$m
Investments in equity accounted units(a)
3,8493,971
Loans to equity accounted units3939
Trade and other receivables: amounts due from equity accounted units231259
Trade and other payables: amounts due to equity accounted units(228)(271)
(a)Investments in equity accounted units include quasi equity loans.
Summary of subsidiaries
Iron Ore
Company of
Canada		Iron Ore
Company of
Canada		Energy
Resources of
Australia		Energy
Resources of
Australia
Turquoise
Hill (a)(b)(c)
Turquoise
Hill (a)(b)(c)
202020192020201920202019
Income statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$mUS$mUS$m
Revenue1,0111,027108118409735
Profit/(loss) after tax2572602736(23)(2,054)
– attributable to non-controlling interests106108611(89)(1,413)
– attributable to Rio Tinto151152212566(641)
Other comprehensive (loss)/income(91)51221(2)1
Total comprehensive income/(loss)1663114937(25)(2,053)
30 June 202031 December 201930 June 202031 December 201930 June 202031 December 2019
Balance sheet summary as at:US$mUS$mUS$mUS$mUS$mUS$m
Non-current assets2,3972,5853937610,1559,589
Current assets7416102702581,7932,449
Current liabilities(394)(532)(131)(127)(457)(493)
Non-current liabilities(847)(927)(428)(462)(4,375)(4,405)
Net assets/(liabilities)1,8971,736104(255)7,1167,140
– attributable to non-controlling interests78771819—2,2402,369
– attributable to Rio Tinto1,1101,01885(255)4,8764,771
202020192020201920202019
Cash flow statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$mUS$mUS$m
Cash flow from operations403509172329287
Dividends paid to non-controlling interests—(52)————

(a)Turquoise Hill Resources Ltd holds a controlling interest in Oyu Tolgoi LLC ("OT").

(b)Under the terms of the project finance facility held by OT, there are certain restrictions on the ability of OT to make shareholder distributions.

(c)Since 2011, Turquoise Hill has funded common share investments in OT on behalf of Erdenes Oyu Tolgoi LLC ("Erdenes"). In accordance with the Amended and Restated Shareholders Agreement dated 8 June 2011, such funded amounts earn interest at an effective annual rate of LIBOR plus 6.5% and are repayable to them via a pledge over Erdenes' share of future OT common share dividends. Erdenes also has the right to reduce the outstanding balance by making payments directly to Turquoise Hill. Common share investments funded on behalf of Erdenes are recorded as a reduction to the net carrying value of non-controlling interests. As at 30 June 2020, the cumulative amount of such funding was US$1,327 million (31 December 2019: US$1,241 million), excluding accrued interest of US$734 million (31 December 2019: US$655 million) relating to this funding.
Other disclosures (continued)

Summary financial information for subsidiaries that have non-controlling interests that are material to the Group (continued)


Robe River
Mining Co
Pty		Robe River
Mining Co
Pty
Other
companies
and
eliminations(d)
Other
companies
and
eliminations(d)
Robe RiverRobe River
202020192020201920202019
Income statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$mUS$mUS$m
Revenue7346148517161,5851,330
Profit after tax403344424338827682
– attributable to non-controlling
interests		158134——158134
– attributable to Rio Tinto245210424338669548
Other comprehensive loss(88)(18)(38)(11)(126)(29)
Total comprehensive income315326386327701653
Adjusted(e)
Adjusted(e)
Adjusted(e)
30 June 202031 December 201930 June 202031 December 201930 June 202031 December 2019
Balance sheet summary as at:US$mUS$mUS$mUS$mUS$mUS$m
Non-current assets(e)
2,9792,9453,6733,6876,6526,632
Current assets(e)
1,1241,1612,6682,5313,7923,692
Current liabilities(e)
(705)(204)(859)(303)(1,564)(507)
Non-current liabilities(e)
(365)(376)(3,495)(4,050)(3,860)(4,426)
Net assets3,0333,5261,9871,8655,0205,391
– attributable to non-controlling
interests		1,2101,404——1,2101,404
– attributable to Rio Tinto1,8232,1221,9871,8653,8103,987
202020192020201920202019
Cash flow statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$mUS$mUS$m
Cash flow from operations6655281,0669201,7311,448
Dividends paid to non-controlling interests(211)———(211)—

(d)"Other companies and eliminations" includes North Mining Limited (a wholly-owned subsidiary of the Group which accounts for its interest in Robe River) and goodwill of US$342 million at 30 June 2020 (31 December 2019: US$349 million) that arose on the Group's acquisition of its interest in Robe River.

(e)The 31 December 2019 comparative has been adjusted to more appropriately classify certain intercompany balances.
Summary of principal joint ventures
This summarised financial information is shown on a 100% basis. It represents the amounts shown in the joint ventures’ financial statements prepared in accordance with IFRS under Group accounting policies, including fair value adjustments and amounts due to and from Rio Tinto.


Minera Escondida LtdaMinera Escondida LtdaSohar Aluminum Co. L.L.C.Sohar Aluminum Co. L.L.C.
2020201920202019
Income statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$m
Revenue3,1373,537325325
Depreciation and amortisation(797)(790)(55)(60)
Other operating costs(1,243)(1,640)(225)(220)
Operating profit1,0971,1074545
Finance expense(70)(80)(15)(15)
Income tax(370)(387)(5)(5)
Profit after tax6576402525
Other comprehensive loss(27)———
Total comprehensive income6306402525
30 June 202031 December 201930 June 202031 December 2019
Balance sheet summary as at:US$mUS$mUS$mUS$m
Non-current assets12,00412,4502,9903,045
Current assets2,3932,250250290
Current liabilities(1,547)(1,827)(185)(205)
Non-current liabilities(4,540)(4,670)(745)(845)
Net assets8,3108,2032,3102,285
Assets and liabilities above include:
– cash and cash equivalents5336032020
– current financial liabilities(783)(807)(110)(110)
– non-current financial liabilities(2,217)(2,380)(575)(675)
2020201920202019
Cash flow statement summary for six months ended 30 JuneUS$mUS$mUS$mUS$m
Dividends received from joint venture (Rio Tinto share)183315——