Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-11
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥1.33T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.80T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.32T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥60.3bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥41.2bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥53.2bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥150.8bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥58.8bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥52.6bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥52.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥23.6bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥57.7bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥20.6bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥27.6bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥25.6bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥2.11Tat 2025-09-30Cons.Assets
Total assets¥2.16Tat 2025-03-31Cons.Assets
Total assets¥2.22Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥1.40Tat 2025-09-30Cons.Liabilities
Total liabilities¥1.45Tat 2025-03-31Cons.Liabilities
Net assets / equity¥717.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥707.5bnat 2025-03-31Cons.Net assets
Net assets / equity¥724.6bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥126.7bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥126.9bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥56.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥34.9bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥44.4bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥105.5bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥120.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥137.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥21.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥23.7bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥145.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥118.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥71.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥69.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥28.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥143.932025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥336.392024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥118.582024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio27.9%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio27.1%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio26.8%at 2024-09-30Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

Segments · 46
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥36.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥12.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥24.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥2.3bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥130.4bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥130.4bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30¥5.6bn
Oil Exploration And Productionreportable segmentrevenue2025-04-01 → 2025-09-30¥65.4bn
Oil Exploration And Productionreportable segmentrevenue external2025-04-01 → 2025-09-30¥28.3bn
Oil Exploration And Productionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥37.1bn
Oil Exploration And Productionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥24.1bn
Petrochemicalreportable segmentrevenue2025-04-01 → 2025-09-30¥174.5bn
Petrochemicalreportable segmentrevenue external2025-04-01 → 2025-09-30¥150.9bn
Petrochemicalreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥23.5bn
Petrochemicalreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥2.2bn
Petroleum Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥1.18T
Petroleum Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.14T
Petroleum Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥45.2bn
Petroleum Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥24.1bn
Renewable Energy Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥6.1bn
Renewable Energy Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥6.0bn
Renewable Energy Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥126m
Renewable Energy Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥567m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥36.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥12.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥24.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥2.7bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥118.8bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥118.8bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30¥3.8bn
Oil Exploration And Productionreportable segmentrevenue2024-04-01 → 2024-09-30¥62.3bn
Oil Exploration And Productionreportable segmentrevenue external2024-04-01 → 2024-09-30¥22.5bn
Oil Exploration And Productionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥39.8bn
Oil Exploration And Productionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥45.0bn
Petrochemicalreportable segmentrevenue2024-04-01 → 2024-09-30¥160.5bn
Petrochemicalreportable segmentrevenue external2024-04-01 → 2024-09-30¥139.4bn
Petrochemicalreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥21.1bn
Petrochemicalreportable segmentsegment ordinary income2024-04-01 → 2024-09-30−¥4.3bn
Petroleum Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥1.18T
Petroleum Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.14T
Petroleum Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥33.9bn
Petroleum Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥12.5bn
Renewable Energy Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥4.8bn
Renewable Energy Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥4.8bn
Renewable Energy Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥46m
Renewable Energy Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30−¥920m

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 573
ItemContextValueUnit
Loss gain on valuation of investment securities ope cfPrior1InterimDuration5250000000JPY
Loss gain on valuation of investment securities ope cfInterimDuration-JPY
Increase decrease in allowance for doubtful accounts ope cfPrior1InterimDuration4000000JPY
Increase decrease in allowance for doubtful accounts ope cfInterimDuration-19000000JPY
Increase decrease in provision ope cfPrior1InterimDuration-3028000000JPY
Increase decrease in provision ope cfInterimDuration-3703000000JPY
Increase decrease in provision for special repairs ope cfPrior1InterimDuration-12802000000JPY
Increase decrease in provision for special repairs ope cfInterimDuration6889000000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration-714000000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration-726000000JPY
Interest and dividends income ope cfPrior1InterimDuration-3672000000JPY
Interest and dividends income ope cfInterimDuration-3211000000JPY
Compensation income ope cfPrior1InterimDuration-151000000JPY
Compensation income ope cfInterimDuration-346000000JPY
Interest expenses ope cfPrior1InterimDuration2598000000JPY
Interest expenses ope cfInterimDuration2751000000JPY
Foreign exchange losses gains ope cfPrior1InterimDuration-8748000000JPY
Foreign exchange losses gains ope cfInterimDuration7996000000JPY
Equity in earnings losses of affiliates ope cfPrior1InterimDuration-2826000000JPY
Equity in earnings losses of affiliates ope cfInterimDuration2368000000JPY
Decrease increase in notes and accounts receivable trade ope cfPrior1InterimDuration53586000000JPY
Decrease increase in notes and accounts receivable trade ope cfInterimDuration-2887000000JPY
Decrease increase in inventories ope cfPrior1InterimDuration-69476000000JPY
Decrease increase in inventories ope cfInterimDuration25238000000JPY
Increase decrease in notes and accounts payable trade ope cfPrior1InterimDuration-11804000000JPY
Increase decrease in notes and accounts payable trade ope cfInterimDuration-595000000JPY
Decrease increase in other current assets ope cfPrior1InterimDuration31744000000JPY
Decrease increase in other current assets ope cfInterimDuration2145000000JPY
Increase decrease in other current liabilities ope cfPrior1InterimDuration-34967000000JPY
Increase decrease in other current liabilities ope cfInterimDuration24878000000JPY
Increase decrease in other noncurrent liabilities ope cfPrior1InterimDuration6653000000JPY
Increase decrease in other noncurrent liabilities ope cfInterimDuration-4237000000JPY
Decrease increase in investments and other assets ope cfPrior1InterimDuration-397000000JPY
Decrease increase in investments and other assets ope cfInterimDuration105000000JPY
Other net ope cfPrior1InterimDuration-62000000JPY
Other net ope cfInterimDuration109000000JPY
Subtotal ope cfPrior1InterimDuration32377000000JPY
Subtotal ope cfInterimDuration139440000000JPY
Interest and dividends income received ope cf inv cfPrior1InterimDuration3550000000JPY
Interest and dividends income received ope cf inv cfInterimDuration4003000000JPY
Interest expenses paid ope cf fin cfPrior1InterimDuration-2444000000JPY
Interest expenses paid ope cf fin cfInterimDuration-2355000000JPY
Proceeds from compensation ope cfPrior1InterimDuration151000000JPY
Proceeds from compensation ope cfInterimDuration-JPY
Income taxes paid refund ope cfPrior1InterimDuration-12460000000JPY
Income taxes paid refund ope cfInterimDuration-20716000000JPY
Other net ope cf subtotalPrior1InterimDuration-JPY
Other net ope cf subtotalInterimDuration35000000JPY
Net cash provided by used in operating activitiesPrior1InterimDuration21174000000JPY
Net cash provided by used in operating activitiesInterimDuration120407000000JPY

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2025-09-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass