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Rio Tinto Limited parent company disclosures | 12 Months Ended
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Dec. 31, 2017
Disclosure Of Parent Company Disclosures [Abstract] |
Rio Tinto Limited parent company disclosures |
Strategic report |  | Governance report |  | Financial statements |  | Production, reserves and operations |  | Additional information
45 Rio Tinto Limited parent company disclosures
As at 31 December | 2017 A$m | 2016 A$m
Assets |  |
Current assets | 11,914 | 8,041
Non-current assets | 7,954 | 10,758
Total assets | 19,868 | 18,799
Liabilities |  |
Current liabilities | (7,448) | (1,268)
Non-current liabilities | (35) | (4,814)
Total liabilities | (7,483) | (6,082)
Net assets | 12,385 | 12,717
Shareholders’ equity |  |
Share capital | 3,893 | 4,004
Other reserves | 420 | 413
Retained earnings | 8,072 | 8,300
Total equity | 12,385 | 12,717
Profit of the parent company | 9,688 | 4,452
Total comprehensive income of the parent company | 9,688 | 4,452
Prepared under Australian Accounting Standards (AAS). In relation to Rio Tinto Limited there are no significant measurement differences between AAS and IFRS as defined in note 1. Rio Tinto Limited guarantees Rio Tinto Limited provides a number of guarantees in respect of Group companies. Rio Tinto plc and Rio Tinto Limited have jointly guaranteed the Group's external listed debt under the US Shelf Programme, European Debt Issuance Programme and Commercial Paper Programme which totalled A$10.2 billion at 31 December 2017 (31 December 2016: A$14.1 billion); in addition these entities also jointly guarantee the Group's undrawn credit facility which was A$9.6 billion at 31 December 2017 (31 December 2016: A$10.4 billion). Rio Tinto Limited has guaranteed other external debt held by Rio Tinto Group entities which totalled A$0.1 billion at 31 December 2017 (31 December 2016: A$0.1 billion) and provided guarantees in respect of certain derivative contracts which were in a liability position of A$48 million at 31 December 2017 (31 December 2016: A$1 million). In addition, Rio Tinto Limited has provided a guarantee of all obligations, including contingent obligations, of Rio Tinto Finance Limited, a wholly owned subsidiary. Pursuant to the DLC Merger, both Rio Tinto plc and Rio Tinto Limited issued deed poll guarantees by which each company guaranteed contractual obligations incurred by the other or guaranteed by the other. 2017 Annual report riotinto.com 1

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