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v3.19.3.a.u2

Impairment charges - (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of impairment loss recognised or reversed for cash-generating unit [abstract] |
Summary of impairment charges |
| Note |  | Pre-tax amount 2019 US$m |  | Taxation 2019 US$m |  | Non-controlling interest 2019 US$m |  | Net amount 2019 US$m |  | Pre-tax amount 2018 US$m |  | Pre-tax amount 2017 US$m |
Copper & Diamonds – Oyu Tolgoi |  | (2,240 | ) | (39 | ) | 1,506 |  | (773 | ) | — |  | — |
Aluminium – Yarwun alumina refinery |  | (1,138 | ) | 339 |  | — |  | (799 | ) | — |  | — |
Aluminium – ISAL Smelter |  | (109 | ) | 23 |  | — |  | (86 | ) | (123 | ) | — |
Energy & Minerals – Rössing |  | — |  | — |  | — |  | — |  | (9 | ) | (267 | )
Energy & Minerals – Roughrider |  | — |  | — |  | — |  | — |  | — |  | (357 | )
Copper & Diamonds – Argyle |  | — |  | — |  | — |  | — |  | — |  | (172 | )
Total impairment charge |  | (3,487 | ) | 323 |  | 1,506 |  | (1,658 | ) | (132 | ) | (796 | )
Allocated as: |  |  |  |  |  |  |
Intangible assets | 13 |  | (1 | ) |  |  |  | (2 | ) | (357 | )
Property, plant and equipment | 14 |  | (3,486 | ) |  |  |  | (130 | ) | (435 | )
Other assets and liabilities |  | — |  |  |  |  | — |  | (4 | )
Total impairment charge |  | (3,487 | ) |  |  |  | (132 | ) | (796 | )
Comprising: |  |  |  |  |  |  |
Total impairment charges in the financial information by business unit (page 252) |  |  |  |  | (3,487 | ) | (132 | ) | (796 | )
Taxation (including related to EAUs) |  |  |  |  | 323 |  | 25 |  | 141 |
Non-controlling interests |  |  |  |  | 1,506 |  | 3 |  | 174 |
Total impairment in the income statement |  |  |  |  | (1,658 | ) | (104 | ) | (481 | )

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- Definition The disclosure of an impairment loss recognised or reversed for a cash-generating unit. [Refer: Impairment loss; Reversal of impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2019-03-27 + Details
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