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Revenue | 6 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Revenue |
3. | Revenue
Revenue by segment
Half year ended 31 December 2018 US$M |  | Petroleum |  |  | Copper |  |  | Iron Ore |  |  | Coal |  |  | Group and unallocated items/ eliminations |  |  | Group total |
Revenue from contracts with customers |  |  | 3,071 |  |  |  | 5,328 |  |  |  | 7,401 |  |  |  | 4,509 |  |  |  | 549 |  |  |  | 20,858 |
Other revenue |  |  | 132 |  |  |  | (259 | ) |  |  | 17 |  |  |  | 3 |  |  |  | (9 | ) |  |  | (116 | )
Total revenue |  |  | 3,203 |  |  |  | 5,069 |  |  |  | 7,418 |  |  |  | 4,512 |  |  |  | 540 |  |  |  | 20,742 |
Half year ended 31 December 2017 US$M |  | Petroleum |  |  | Copper |  |  | Iron Ore |  |  | Coal |  |  | Group and unallocated items/ eliminations |  |  | Group total |
Revenue from contracts with customers |  |  | 2,525 |  |  |  | 5,790 |  |  |  | 7,196 |  |  |  | 4,044 |  |  |  | 533 |  |  |  | 20,088 |
Other revenue |  |  | 56 |  |  |  | 342 |  |  |  | 25 |  |  |  | 3 |  |  |  | 12 |  |  |  | 438 |
Total revenue |  |  | 2,581 |  |  |  | 6,132 |  |  |  | 7,221 |  |  |  | 4,047 |  |  |  | 545 |  |  |  | 20,526 |
Year ended 30 June 2018 US$M |  | Petroleum |  |  | Copper |  |  | Iron Ore |  |  | Coal |  |  | Group and unallocated items/ eliminations |  |  | Group total |
Revenue from contracts with customers |  |  | 5,194 |  |  |  | 12,660 |  |  |  | 14,782 |  |  |  | 8,887 |  |  |  | 1,225 |  |  |  | 42,748 |
Other revenue |  |  | 214 |  |  |  | 121 |  |  |  | 28 |  |  |  | 2 |  |  |  | 16 |  |  |  | 381 |
Total revenue |  |  | 5,408 |  |  |  | 12,781 |  |  |  | 14,810 |  |  |  | 8,889 |  |  |  | 1,241 |  |  |  | 43,129 |
Revenue by geographical location
|  | Revenue by location of customer |
|  | Half Year ended 31 Dec 2018 US$M |  |  | Half year ended 31 Dec 2017 US$M |  |  | Year ended 30 June 2018 US$M |
Australia |  |  | 1,247 |  |  |  | 1,110 |  |  |  | 2,304 |
Europe |  |  | 983 |  |  |  | 818 |  |  |  | 1,886 |
China |  |  | 11,176 |  |  |  | 10,511 |  |  |  | 22,660 |
Japan |  |  | 2,081 |  |  |  | 2,015 |  |  |  | 4,628 |
India |  |  | 1,141 |  |  |  | 1,285 |  |  |  | 2,439 |
South Korea |  |  | 1,067 |  |  |  | 1,374 |  |  |  | 2,588 |
Rest of Asia |  |  | 1,355 |  |  |  | 1,454 |  |  |  | 2,620 |
North America |  |  | 1,176 |  |  |  | 1,234 |  |  |  | 2,715 |
South America |  |  | 362 |  |  |  | 566 |  |  |  | 1,054 |
Rest of world |  |  | 154 |  |  |  | 159 |  |  |  | 235 |
|  |  | 20,742 |  |  |  | 20,526 |  |  |  | 43,129 |
Recognition and measurement (following adoption of IFRS 15) The Group generates revenue from the production and sale of commodities. Revenue is recognised when or as control of the promised goods or services passes to the customer. In most instances, control passes when the goods are delivered to a destination specified by the customer, typically on board the customer’s appointed vessel. The amount of revenue recognised reflects the consideration to which the Group expects to be entitled in exchange for the goods or services. Where the Group’s sales are provisionally priced, the final price depends on future index prices. The amount of revenue initially recognised is based on the relevant forward market price. Adjustments between the provisional and final price are accounted for under IFRS 9 and recognised in revenue. Provisional pricing adjustments are separately disclosed as other revenue. The period between provisional pricing and final invoicing is typically between 60 and 120 days. Revenue from concentrate is net of treatment costs and refining charges. Revenue from the sale of significant by-products is included within revenue. Where a by-product is not significant, revenue is credited against costs.

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