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v3.19.1

Interest in Joint Operation - Summary of Share of Joint Operation and Includes Inter-company Transactions and Balances (Detail) $ in Millions, $ in Millions | Dec. 31, 2018 USD ($) | Dec. 31, 2018 AUD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 AUD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
--- | --- | --- | --- | --- | --- | ---
Non-current assets |  |  |  |  |  |
Property, plant and equipment | $ 4,259.2 |  | $ 4,892.9 |  |  |
Current assets | 921.1 |  | 1,114.4 |  |  |
Cash and cash equivalents | 399.7 |  | 479.0 |  | $ 526.7 | $ 440.0
Inventories | 368.2 |  | 393.5 |  |  |
Prepayments | 43.3 |  | 51.5 |  |  |
Total assets | 6,104.3 |  | 6,620.1 |  |  |
Total equity |  |  |  |  |  |
Retained earnings | 1,073.9 |  | 1,471.1 |  |  |
Non-current liabilities | 2,781.9 |  | 2,363.1 |  |  |
Deferred taxation | 454.9 |  | 453.9 |  |  |
Finance lease liability | 80.1 |  | 0.0 |  |  |
Long-term incentive plan | 2.1 |  | 0.0 |  |  |
Current liabilities | 615.5 |  | 854.0 |  |  |
Trade and other payables | 503.0 |  | 548.5 |  |  |
Current portion of finance lease liability | 8.5 |  | 0.0 |  |  |
Total equity and liabilities | 6,104.3 |  | 6,620.1 |  |  |
Joint operations [member] |  |  |  |  |  |
Non-current assets |  |  |  |  |  |
Property, plant and equipment | 554.6 | $ 788.6 | 374.9 | $ 485.7 |  |
Current assets | 11.7 | 16.5 | 7.2 | 9.3 |  |
Cash and cash equivalents | 2.1 | 3.0 | 5.3 | 6.8 |  |
Inventories | 0.8 | 1.1 | 0.0 | 0.0 |  |
Prepayments | 6.4 | 9.1 | 1.9 | 2.5 |  |
Other receivables | 2.4 | 3.3 | 0.0 | 0.0 |  |
Total assets | 566.3 | 805.1 | 382.1 | 495.0 |  |
Total equity |  |  |  |  |  |
Retained earnings | (4.7) | (6.7) | (2.3) | (2.9) |  |
Non-current liabilities | 119.7 | 170.3 | 11.8 | 15.2 |  |
Deferred taxation | 30.5 | 43.3 | 4.2 | 5.4 |  |
Finance lease liability | 76.5 | 108.8 | 0.0 | 0.0 |  |
Environmental rehabilitation costs | 12.7 | 18.2 | 0.0 | 0.0 |  |
Long-term incentive plan | 0.0 | 0.0 | 7.6 | 9.8 |  |
Current liabilities | 451.3 | 641.5 | 372.6 | 482.7 |  |
Related entity loans payable | 439.0 | 624.1 | 347.3 | 449.9 |  |
Trade and other payables | 7.7 | 10.9 | 14.1 | 18.3 |  |
Deferred consideration | 0.0 | 0.0 | 11.2 | 14.5 |  |
Current portion of finance lease liability | 4.6 | 6.5 | 0.0 | 0.0 |  |
Total equity and liabilities | $ 566.3 | $ 805.1 | $ 382.1 | $ 495.0 |  |

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