Organization record
KOMATSU LTD
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_payable | {"amount": 3334878000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 3722591000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"amount": 2226065000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 214375000000, "concept": "us-gaap:AccountsPayableCurrent"} | 2009-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 606904000000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 559749000000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2012-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 136962000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantA | 2013-03-31 | sec_edgar |
| capex | {"amount": 1488268000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "c | 2012-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 97738000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAn | 2011-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 96191000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAn | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 93620000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarrying | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1013159000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1027122000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 993120000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 973795000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 102010000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2008-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 92199000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarrying | 2007-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -71814000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancin | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": 229037000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -679096000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -1251215000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", " | 2010-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 57219000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancing | 2009-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -17422000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancin | 2008-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -131397000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1518768000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1066373000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", " | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -784591000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2010-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -145368000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2009-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -128182000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2008-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 214045000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2013-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 105608000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2012-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 150402000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 1958720000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "c | 2010-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 78775000000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2009-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 160985000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2008-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 983130260, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 983130260, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 998744060, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 998744060, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 998744060, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 952778859, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 952261022, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 967902641, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 968039976, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 967822292, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2009-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 1377459000000, "concept": "us-gaap:CostOfGoodsAndServicesSold"} | 2013-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 17570304000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD" | 2012-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 16186313000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD" | 2011-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 11844720000, "concept": "us-gaap:CostOfGoodsAndServicesSold", "currency": "USD" | 2010-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 1510408000000, "concept": "us-gaap:CostOfGoodsAndServicesSold"} | 2009-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 1590963000000, "concept": "us-gaap:CostOfGoodsAndServicesSold"} | 2008-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 1492056000000, "concept": "us-gaap:AssetsCurrent"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 17077706000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 14992434000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_assets | {"amount": 11184097000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 1103239000000, "concept": "us-gaap:AssetsCurrent"} | 2009-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 827576000000, "concept": "us-gaap:LiabilitiesCurrent"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 10533049000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 9638410000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_liabilities | {"amount": 6900495000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 732287000000, "concept": "us-gaap:LiabilitiesCurrent"} | 2009-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 953327882} | 2013-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 952261022} | 2012-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 967902641} | 2011-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 968039976} | 2010-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 89322000000, "concept": "us-gaap:DepreciationDepletionAndAmortiza | 2013-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 1098854000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currenc | 2012-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 1077916000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currenc | 2011-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 981925000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency | 2010-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 98354000000, "concept": "us-gaap:DepreciationDepletionAndAmortiza | 2009-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 75664000000, "concept": "us-gaap:DepreciationDepletionAndAmortiza | 2008-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 31.33, "concept": "us-gaap:CommonStockDividendsPerShareDeclare | 2011-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 27.96, "concept": "us-gaap:CommonStockDividendsPerShareDeclare | 2010-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 44, "concept": "us-gaap:CommonStockDividendsPerShareDeclared", | 2009-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 38, "concept": "us-gaap:CommonStockDividendsPerShareDeclared", | 2008-03-31 | sec_edgar |
| dividends_paid | {"unit": "JPY", "value": 42877000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock"} | 2013-03-31 | sec_edgar |
| dividends_paid | {"amount": 484159000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2012-03-31 | sec_edgar |
| dividends_paid | {"amount": 303349000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2011-03-31 | sec_edgar |
| dividends_paid | {"amount": 270753000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "US | 2010-03-31 | sec_edgar |
| dividends_paid | {"unit": "JPY", "value": 43803000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock"} | 2009-03-31 | sec_edgar |
| dividends_paid | {"unit": "JPY", "value": 37810000000, "concept": "us-gaap:PaymentsOfDividendsCommonStock"} | 2008-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 132.64, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2013-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.1155, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2012-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 187.67, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 37.28, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 79.95, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 209.87, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2008-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 132.51, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2013-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 2.1136, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2012-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 187.54, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2011-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 37.26, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 79.89, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2009-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 209.59, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2008-03-31 | sec_edgar |
| goodwill | {"unit": "JPY", "value": 34703000000, "concept": "us-gaap:Goodwill"} | 2013-03-31 | sec_edgar |
| goodwill | {"amount": 380841000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2012-03-31 | sec_edgar |
| goodwill | {"amount": 357573000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-03-31 | sec_edgar |
| goodwill | {"amount": 356265000, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-03-31 | sec_edgar |
| goodwill | {"unit": "JPY", "value": 28661000000, "concept": "us-gaap:Goodwill"} | 2009-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 69089000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2013-03-31 | sec_edgar |
| income_tax_expense | {"amount": 908171000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": 779590000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 272731000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 42293000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2009-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 115794000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2008-03-31 | sec_edgar |
| industry_sic | {"code": "3531", "scheme": "SIC", "description": "Construction Machinery & Equip"} | sec_edgar | |
| intangible_assets | {"unit": "JPY", "value": 58523000000, "concept": "us-gaap:IntangibleAssetsNetExcludingGood | 2013-03-31 | sec_edgar |
| intangible_assets | {"amount": 706744000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2012-03-31 | sec_edgar |
| intangible_assets | {"amount": 650253000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2011-03-31 | sec_edgar |
| intangible_assets | {"amount": 663753000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency | 2010-03-31 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 60346000000, "concept": "us-gaap:IntangibleAssetsNetExcludingGood | 2009-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 8236000000, "concept": "us-gaap:InterestExpense"} | 2013-03-31 | sec_edgar |
| interest_expense | {"amount": 94927000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 78012000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 91419000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 14576000000, "concept": "us-gaap:InterestExpense"} | 2009-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 16699000000, "concept": "us-gaap:InterestExpense"} | 2008-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 633647000000, "concept": "us-gaap:InventoryNet"} | 2013-03-31 | sec_edgar |
| inventory | {"amount": 7467792000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| inventory | {"amount": 5709349000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-03-31 | sec_edgar |
| inventory | {"amount": 4262538000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2010-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 507357000000, "concept": "us-gaap:InventoryNet"} | 2009-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 473454000000, "concept": "us-gaap:LongTermDebt"} | 2013-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 430186000000, "concept": "us-gaap:LongTermDebt"} | 2012-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 405438000000, "concept": "us-gaap:LongTermDebt"} | 2011-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 126321000000, "concept": "us-gaap:NetIncomeLoss"} | 2013-03-31 | sec_edgar |
| net_income | {"amount": 2037085000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": 1816289000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 360849000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 78797000000, "concept": "us-gaap:NetIncomeLoss"} | 2009-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 208793000000, "concept": "us-gaap:NetIncomeLoss"} | 2008-03-31 | sec_edgar |
| noncurrent_liabilities | {"unit": "JPY", "value": 437586000000, "concept": "us-gaap:LiabilitiesNoncurrent"} | 2013-03-31 | sec_edgar |
| noncurrent_liabilities | {"amount": 4870268000, "concept": "us-gaap:LiabilitiesNoncurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| noncurrent_liabilities | {"amount": 4535771000, "concept": "us-gaap:LiabilitiesNoncurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| noncurrent_liabilities | {"amount": 4736667000, "concept": "us-gaap:LiabilitiesNoncurrent", "currency": "USD"} | 2010-03-31 | sec_edgar |
| noncurrent_liabilities | {"unit": "JPY", "value": 388438000000, "concept": "us-gaap:LiabilitiesNoncurrent"} | 2009-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 211602000000, "concept": "us-gaap:OperatingIncomeLoss"} | 2013-03-31 | sec_edgar |
| operating_income | {"amount": 3126134000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| operating_income | {"amount": 2685891000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| operating_income | {"amount": 720806000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 151948000000, "concept": "us-gaap:OperatingIncomeLoss"} | 2009-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 332850000000, "concept": "us-gaap:OperatingIncomeLoss"} | 2008-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 585220000000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2013-03-31 | sec_edgar |
| ppe_net | {"amount": 6459220000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD | 2012-03-31 | sec_edgar |
| ppe_net | {"amount": 6125144000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD | 2011-03-31 | sec_edgar |
| ppe_net | {"amount": 5646237000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD | 2010-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 525462000000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2009-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 204603000000, "concept": "us-gaap:IncomeLossFromContinuingOperati | 2013-03-31 | sec_edgar |
| pretax_income | {"amount": 3044012000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeT | 2012-03-31 | sec_edgar |
| pretax_income | {"amount": 2648301000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeT | 2011-03-31 | sec_edgar |
| pretax_income | {"amount": 698699000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTa | 2010-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 128782000000, "concept": "us-gaap:IncomeLossFromContinuingOperati | 2009-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 322210000000, "concept": "us-gaap:IncomeLossFromContinuingOperati | 2008-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 137135000000, "concept": "us-gaap:ProfitLoss"} | 2013-03-31 | sec_edgar |
| profit_loss | {"amount": 2155463000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| profit_loss | {"amount": 1901530000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| profit_loss | {"amount": 443043000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2010-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 86885000000, "concept": "us-gaap:ProfitLoss"} | 2009-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 218228000000, "concept": "us-gaap:ProfitLoss"} | 2008-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 1884991000000, "concept": "us-gaap:SalesRevenueNet"} | 2013-03-31 | sec_edgar |
| revenue | {"amount": 24167841000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| revenue | {"amount": 22206349000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2011-03-31 | sec_edgar |
| revenue | {"amount": 15393161000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2010-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 2021743000000, "concept": "us-gaap:SalesRevenueNet"} | 2009-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 2243023000000, "concept": "us-gaap:SalesRevenueNet"} | 2008-03-31 | sec_edgar |
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| rnd_expense | {"amount": 668817000, "concept": "us-gaap:ResearchAndDevelopmentExpense", "currency": "USD | 2012-03-31 | sec_edgar |
| rnd_expense | {"amount": 590422000, "concept": "us-gaap:ResearchAndDevelopmentExpense", "currency": "USD | 2011-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 46449000000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2010-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 53736000000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2009-03-31 | sec_edgar |
| same_as | {"entity_ref": "055b8f51-b484-4949-a629-85e94e695437"} | er_internal | |
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| sga_expense | {"amount": 3189048000, "concept": "us-gaap:SellingGeneralAndAdministrativeExpense", "curre | 2011-03-31 | sec_edgar |
| sga_expense | {"amount": 2680495000, "concept": "us-gaap:SellingGeneralAndAdministrativeExpense", "curre | 2010-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 322677000000, "concept": "us-gaap:SellingGeneralAndAdministrative | 2009-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 317474000000, "concept": "us-gaap:SellingGeneralAndAdministrative | 2008-03-31 | sec_edgar |
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| total_equity | {"amount": 11861952000, "concept": "us-gaap:StockholdersEquityIncludingPortionAttributable | 2011-03-31 | sec_edgar |
| total_equity | {"amount": 1056843000, "concept": "us-gaap:StockholdersEquityIncludingPortionAttributableT | 2010-03-31 | sec_edgar |
| total_equity | {"amount": 9121872000, "concept": "us-gaap:StockholdersEquityIncludingPortionAttributableT | 2009-03-31 | sec_edgar |