Komori
Idemitsu Kosan (5019) · RiskMitigated

Impairment risk associated with declining resource prices

First written in FY2016. 19 of 34 entries say "Mitigated", first in FY2017-Q3. Latest entry: FY2026.

34entries
11years
1from disclosures
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How it moved
ProgressHeldSoftenedWorseMitigatedFY2020-Q1 – FY2021-Q32016: 120162017: 420172018: 320182019: 420192020: 320202021: 420212022: 420222023: 420232024: 320242025: 220252026: 22026
Same theme, other companies
Risk of Earnings and Investment Losses Due to Resource and Commodity Price VolatilityA theme 8 companies write about · 9 as a headwind · 0 as a tailwind

The whole theme swung hardest in 2026: 4 of 8 companies on the "Worse" side.

1 other company's latest entry also says "Mitigated".

Ridges = years it wrote progress, valleys = years it wrote worse. Most hopeful companies at the back. Drag to turn, scroll to zoom, right-drag to pan. On a phone, two fingers turn and pinch to zoom; one finger scrolls the page.
Full recordFilings, disclosures and news, newest first
  1. FY2026MitigatedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥27.219 billion for the previous consolidated fiscal year and ¥18.095 billion for the current consolidated fiscal year.」

    The impairment loss decreased from ¥27.2 billion to ¥18.1 billion. However, impairment continued to occur at former refinery sites, overseas petrochemical plants, biomass power plants and elsewhere.
  2. 2026-05-12MitigatedEarnings

    「減損損失は前年度の272億円から181億円へ減少した。」

    減損損失が前年度から減少した。ただし、燃料油、高機能材、電力・再生可能エネルギー等で減損損失の計上は続いている。
  3. FY2026-H1MitigatedAnnual report

    「Impairment loss 489 317」

    Impairment loss for the six months ended the current interim period was ¥317 million, down from ¥489 million in the same period of the previous year.
  4. FY2025WorsenedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥10.619 billion for the previous consolidated fiscal year and ¥27.219 billion for the current consolidated fiscal year.」

    The impairment loss increased from ¥10.6 billion to ¥27.2 billion, and actually occurred at overseas petrochemical plants, biomass power plants and elsewhere.
  5. FY2025-H1WorsenedAnnual report

    「Impairment loss 367 489」

    Impairment loss for the six months ended the current interim period was ¥489 million, up from ¥367 million in the same period of the previous year. Impairment resulting from declining asset values continued to occur.
  6. FY2024MitigatedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥25.824 billion for the previous consolidated fiscal year and ¥10.619 billion for the current consolidated fiscal year.」

    The impairment loss decreased to ¥10.6 billion from ¥25.8 billion in the previous fiscal year. However, impairment occurred on idle assets, including oil terminals, and at the Yamaguchi Refinery and elsewhere.
  7. FY2024-Q3MitigatedAnnual report

    「Impairment loss 4,883 1,580」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥1.580 billion, down from ¥4.883 billion in the same period of the previous year. Impairment continued to occur.
  8. FY2024-Q2WorsenedAnnual report

    「Impairment loss 251 367」

    Impairment loss for the six months ended the second quarter of the current fiscal year was ¥367 million, up from ¥251 million in the same period of the previous year. Impairment resulting from declining asset values continued to occur.
  9. FY2024-Q1WorsenedAnnual report

    「Impairment loss 207 223」

    Impairment loss for the three months ended the first quarter of the current fiscal year was ¥223 million, up from ¥207 million in the same period of the previous year. Impairment resulting from declining asset values continued to occur.
  10. FY2023WorsenedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥15.907 billion for the previous consolidated fiscal year and ¥25.824 billion for the current consolidated fiscal year.」

    The impairment loss increased from ¥15.9 billion in the previous fiscal year to ¥25.8 billion, and occurred on idle assets as well as assets of the lubricants business in China and elsewhere.
  11. FY2023-Q3MitigatedAnnual report

    「Impairment loss 10,477 4,883」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥4.883 billion, down from ¥10.477 billion in the same period of the previous year. However, an impairment loss was still recognized.
  12. FY2023-Q2MitigatedAnnual report

    「Impairment loss 497 251」

    Impairment loss for the six months ended the second quarter of the current fiscal year was ¥251 million, down from ¥497 million in the same period of the previous year. However, an impairment loss was still recognized.
  13. FY2023-Q1MitigatedAnnual report

    「Impairment loss 357 207」

    Impairment loss for the three months ended the first quarter of the current fiscal year was ¥207 million, down from ¥357 million in the same period of the previous year. An impairment loss was still recognized.
  14. FY2022MitigatedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥20.164 billion for the previous consolidated fiscal year and ¥15.907 billion for the current consolidated fiscal year.」

    The impairment loss decreased to ¥15.907 billion from ¥20.164 billion in the previous fiscal year. However, impairment continued to occur at the Aichi Refinery, in the solar cell business, on coal mine assets and elsewhere.
  15. FY2022-Q3WorsenedAnnual report

    「The Company recognized an impairment loss of ¥5.218 billion on certain heavy-oil power generation equipment in the Fuel Oil segment, ¥2.951 billion on certain solar-related assets in the Electric Power and Renewable Energy segment, and ¥1.407 billion on certain coal mine assets in the Resources segment.」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥10.477 billion, up significantly from ¥13 million in the nine months ended the third quarter of the previous fiscal year. Impairment was actually recognized on heavy-oil power generation equipment, solar-related assets and coal mine assets.
  16. FY2022-Q2MaterialisedAnnual report

    「Impairment loss 0 497」

    An impairment loss of ¥497 million was recognized for the six months ended the second quarter of the current fiscal year, compared with zero in the same period of the previous year.
  17. FY2022-Q1MaterialisedAnnual report

    「Impairment loss — 357」

    An impairment loss of ¥357 million was recognized for the three months ended the first quarter of the current fiscal year, and impairment recurred from zero in the first quarter of the previous fiscal year.
  18. FY2021WorsenedAnnual report

    「The decrease in carrying value based on the above assessment was recognized as an impairment loss under extraordinary losses, amounting to ¥9.044 billion for the previous consolidated fiscal year and ¥20.164 billion for the current consolidated fiscal year.」

    The impairment loss increased from ¥9.044 billion in the previous fiscal year to ¥20.164 billion, and was actually recognized on oil development assets, coal business assets and other assets.
  19. FY2021-Q3MitigatedAnnual report

    「Impairment loss 99 13」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥13 million, down from ¥99 million in the same period of the previous year. However, an impairment loss was still recognized.
  20. FY2021-Q1MitigatedAnnual report

    「Impairment loss 25 —」

    Impairment loss for the three months ended the first quarter of the current fiscal year was zero, down from ¥25 million in the same period of the previous year.
  21. FY2020MitigatedAnnual report

    「Impairment loss ¥9.044 billion」

    The impairment loss on fixed assets decreased to ¥9.044 billion from ¥15.882 billion in the previous fiscal year. However, impairment occurred in oil terminals, oil development assets and the Australian oil sales business.
  22. FY2020-Q3MitigatedAnnual report

    「Impairment loss 3,271 99」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥99 million, a significant decrease from ¥3.271 billion in the same period of the previous year.
  23. FY2020-Q2MitigatedAnnual report

    「Impairment loss ¥95 million」

    Impairment loss for the six months ended the second quarter of the current fiscal year was ¥95 million, a significant decrease from ¥3.197 billion in the same period of the previous year. An impairment loss was still recognized.
  24. FY2020-Q1MitigatedAnnual report

    「Impairment loss ¥25 million」

    Impairment loss for the first quarter of the current fiscal year was ¥25 million, a significant decrease from ¥3.003 billion in the same quarter of the previous year. However, an impairment loss was still recognized.
  25. FY2019WorsenedAnnual report

    「The Group recognized an impairment loss of ¥15.9 billion on fixed assets during the current fiscal year.」

    The impairment loss on fixed assets increased to ¥15.9 billion from ¥8.7 billion in the previous fiscal year. Impairment occurred in coal mine assets, oil terminals and oil development assets in the Norwegian sector of the North Sea.
  26. FY2019-Q3WorsenedAnnual report

    「Impairment loss 787 3,271」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥3.271 billion, up from ¥787 million in the same period of the previous year.
  27. FY2019-Q2WorsenedAnnual report

    「Impairment loss 781 3,197」

    Impairment loss for the six months ended the second quarter of the current fiscal year was ¥3.197 billion, up from ¥781 million in the same period of the previous year. Impairment resulting from declining asset values was recognized.
  28. FY2018MitigatedAnnual report

    「The Group recognized an impairment loss of ¥8.7 billion on fixed assets during the current fiscal year.」

    The impairment loss on fixed assets decreased to ¥8.7 billion from ¥10.9 billion in the previous fiscal year. However, impairment occurred in Australian coal mine assets, Canadian uranium mine assets and other assets.
  29. FY2018-Q3WorsenedAnnual report

    「Impairment loss ¥787 million」

    Impairment loss for the nine months ended the third quarter of the current fiscal year was ¥787 million, exceeding ¥425 million in the same period of the previous year. Impairment resulting from declining asset values was recognized.
  30. FY2018-Q2WorsenedAnnual report

    「Impairment loss ¥781 million」

    Impairment loss for the six months ended the second quarter of the current fiscal year was ¥781 million, up from ¥363 million in the same period of the previous year. Impairment risk materialized during the current quarter.
  31. FY2018-Q1MitigatedAnnual report

    「Impairment loss ¥17 million」

    Impairment loss for the current quarter decreased to ¥17 million from ¥85 million in the same quarter of the previous year. However, an impairment loss was still recognized.
  32. FY2017MitigatedAnnual report

    「The Group recognized an impairment loss of ¥10.9 billion on fixed assets during the fiscal year.」

    Impairment losses on fixed assets decreased from ¥35.6 billion in the previous year to ¥10.9 billion. However, impairment losses still arose on oil development assets, coal mining assets and other assets.
  33. FY2017-Q3MitigatedAnnual report

    「Special gains and losses amounted to a loss of ¥1.1 billion, an improvement of ¥18.0 billion year on year, mainly due to a decrease in impairment losses in the resources business. As a result, quarterly net income attributable to owners of the parent was ¥60.6 billion, an increase of ¥87.6 billion year on year.」

    Impairment losses in the resources business decreased, and impairment losses for the cumulative third quarter of the consolidated fiscal year were ¥425 million, down from ¥24,988 million in the same period of the previous year.
  34. FY2016First statedAnnual report

    「The Group recognized an impairment loss of ¥35.6 billion on fixed assets during the fiscal year. If the value of assets held by the Group declines in the future due to changes in economic conditions or other factors, an impairment loss could arise, potentially affecting the Group’s financial position and business performance.」

    During the fiscal year, the Group recognized an impairment loss of ¥35.589 billion, primarily on oil development assets.
Moved together

"Completion and operating risks of the Nghi Son Refinery project" moved the same way as this thread, in the same document, in 18 of its 34 moves.

1812111099★123456
  1. ★This thread
  2. 1Completion and operating risks of the Nghi Son Refinery project18×
  3. 2Expanding renewable energy generation and retail electricity sales12×
  4. 3Petrochemical Feedstock Costs, Demand Volatility and Intensifying Competition11×
  5. 4Restructuring the Basic Chemicals supply chain10×
  6. 5Improving the efficiency and competitiveness of domestic refineries and the sales network9×
  7. 6High interest-bearing debt and financing constraints9×

★ is this thread; numbers match the list above. The number on a line is how many documents both moved the same way in; lines between the other threads count the documents they moved together in too. Threads that move together often sit closer.

When this could move next
No upcoming earnings preview for Idemitsu Kosan yet. It last moved in the Earnings of 2026-05-12: "Mitigated".
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