Organization record
HITACHI 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 | {"unit": "JPY", "value": 1236758000000, "concept": "us-gaap:AccountsPayableCurrent"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 1229546000000, "concept": "us-gaap:AccountsPayableCurrent"} | 2010-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 1138770000000, "concept": "us-gaap:AccountsPayableCurrent"} | 2009-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 254460000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantA | 2011-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 286259000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantA | 2010-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 422109000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantA | 2009-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 474344000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantA | 2008-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 554810000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 577584000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 807926000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2009-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 560960000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2008-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 617866000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryin | 2007-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -584176000000, "concept": "us-gaap:NetCashProvidedByUsedInFinanci | 2011-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -502344000000, "concept": "us-gaap:NetCashProvidedByUsedInFinanci | 2010-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 284388000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancin | 2009-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": -133858000000, "concept": "us-gaap:NetCashProvidedByUsedInFinanci | 2008-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -260346000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2011-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -530595000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2010-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -550008000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2009-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -689316000000, "concept": "us-gaap:NetCashProvidedByUsedInInvesti | 2008-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 841554000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2011-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 798299000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2010-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 558947000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2009-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 791837000000, "concept": "us-gaap:NetCashProvidedByUsedInOperatin | 2008-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4520144964, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4518132365, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3368126056, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4517600887, "concept": "dei:EntityCommonStockSharesOutstanding | 2011-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4474118114, "concept": "dei:EntityCommonStockSharesOutstanding | 2010-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 6967433000000, "concept": "us-gaap:CostOfRevenue"} | 2011-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 6849255000000, "concept": "us-gaap:CostOfRevenue"} | 2010-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 7816180000000, "concept": "us-gaap:CostOfRevenue"} | 2009-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 8777657000000, "concept": "us-gaap:CostOfRevenue"} | 2008-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 4900029000000, "concept": "us-gaap:AssetsCurrent"} | 2011-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 4775197000000, "concept": "us-gaap:AssetsCurrent"} | 2010-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 5065399000000, "concept": "us-gaap:AssetsCurrent"} | 2009-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 4088824000000, "concept": "us-gaap:LiabilitiesCurrent"} | 2011-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 3931203000000, "concept": "us-gaap:LiabilitiesCurrent"} | 2010-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 4621904000000, "concept": "us-gaap:LiabilitiesCurrent"} | 2009-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 4517600887} | 2011-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 4474118114} | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 52.89, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -29.2, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -236.86, "concept": "us-gaap:EarningsPerShareBasic", "currency | 2009-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -17.48, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2008-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 49.38, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -29.2, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -236.87, "concept": "us-gaap:EarningsPerShareDiluted", "curren | 2009-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -17.77, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2008-03-31 | sec_edgar |
| goodwill | {"unit": "JPY", "value": 171500000000, "concept": "us-gaap:Goodwill"} | 2011-03-31 | sec_edgar |
| goodwill | {"unit": "JPY", "value": 165586000000, "concept": "us-gaap:Goodwill"} | 2010-03-31 | sec_edgar |
| goodwill | {"unit": "JPY", "value": 134430000000, "concept": "us-gaap:Goodwill"} | 2009-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 129075000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 147971000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2010-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 505249000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2009-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 272163000000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2008-03-31 | sec_edgar |
| industry_sic | {"code": "1600", "scheme": "SIC", "description": "Heavy Construction Other Than Bldg Const | sec_edgar | |
| intangible_assets | {"unit": "JPY", "value": 356518000000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoo | 2011-03-31 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 352464000000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoo | 2010-03-31 | sec_edgar |
| intangible_assets | {"unit": "JPY", "value": 320665000000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoo | 2009-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 24878000000, "concept": "us-gaap:InterestExpense"} | 2011-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 26252000000, "concept": "us-gaap:InterestExpense"} | 2010-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 33809000000, "concept": "us-gaap:InterestExpense"} | 2009-03-31 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 42448000000, "concept": "us-gaap:InterestExpense"} | 2008-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 1341768000000, "concept": "us-gaap:InventoryNet"} | 2011-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 1222077000000, "concept": "us-gaap:InventoryNet"} | 2010-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 1456271000000, "concept": "us-gaap:InventoryNet"} | 2009-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 1638529000000, "concept": "us-gaap:LongTermDebt"} | 2011-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 1915692000000, "concept": "us-gaap:LongTermDebt"} | 2010-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 338218000000, "concept": "us-gaap:LongTermDebtCurrent"} | 2011-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 303730000000, "concept": "us-gaap:LongTermDebtCurrent"} | 2010-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 531635000000, "concept": "us-gaap:LongTermDebtCurrent"} | 2009-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 1300311000000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2011-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 1611962000000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2010-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 1289652000000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2009-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 238869000000, "concept": "us-gaap:NetIncomeLoss"} | 2011-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -106961000000, "concept": "us-gaap:NetIncomeLoss"} | 2010-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -787337000000, "concept": "us-gaap:NetIncomeLoss"} | 2009-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": -58125000000, "concept": "us-gaap:NetIncomeLoss"} | 2008-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 2111270000000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2011-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 2219804000000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2010-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 2393946000000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2009-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 432201000000, "concept": "us-gaap:IncomeLossFromContinuingOperati | 2011-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 63580000000, "concept": "us-gaap:IncomeLossFromContinuingOperatio | 2010-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": -289871000000, "concept": "us-gaap:IncomeLossFromContinuingOperat | 2009-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 303126000000, "concept": "us-gaap:ProfitLoss"} | 2011-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": -84391000000, "concept": "us-gaap:ProfitLoss"} | 2010-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": -795120000000, "concept": "us-gaap:ProfitLoss"} | 2009-03-31 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 52619000000, "concept": "us-gaap:ProfitLoss"} | 2008-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 922036000000, "concept": "us-gaap:RetainedEarningsAccumulatedDefi | 2011-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 713479000000, "concept": "us-gaap:RetainedEarningsAccumulatedDefi | 2010-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 820440000000, "concept": "us-gaap:RetainedEarningsAccumulatedDefi | 2009-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 8376287000000, "concept": "us-gaap:SalesRevenueGoodsNet"} | 2011-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 8044971000000, "concept": "us-gaap:SalesRevenueGoodsNet"} | 2010-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 9076913000000, "concept": "us-gaap:SalesRevenueGoodsNet"} | 2009-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 10262690000000, "concept": "us-gaap:SalesRevenueGoodsNet"} | 2008-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 395180000000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2011-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 372470000000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2010-03-31 | sec_edgar |
| rnd_expense | {"unit": "JPY", "value": 416517000000, "concept": "us-gaap:ResearchAndDevelopmentExpense"} | 2009-03-31 | sec_edgar |
| same_as | {"entity_ref": "72e32277-9d1a-4b7a-b0fa-3c9c126d13bc"} | er_internal | |
| sga_expense | {"unit": "JPY", "value": 1903866000000, "concept": "us-gaap:SellingGeneralAndAdministrativ | 2011-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1917132000000, "concept": "us-gaap:SellingGeneralAndAdministrativ | 2010-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2057043000000, "concept": "us-gaap:SellingGeneralAndAdministrativ | 2009-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2103562000000, "concept": "us-gaap:SellingGeneralAndAdministrativ | 2008-03-31 | sec_edgar |
| share_repurchase | {"unit": "JPY", "value": 183000000, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock | 2011-03-31 | sec_edgar |
| share_repurchase | {"unit": "JPY", "value": 115000000, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock | 2010-03-31 | sec_edgar |
| share_repurchase | {"unit": "JPY", "value": 841000000, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock | 2009-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 4515932415, "concept": "us-gaap:WeightedAverageNumberOfSharesO | 2011-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 3662578076, "concept": "us-gaap:WeightedAverageNumberOfSharesO | 2010-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 3323996973, "concept": "us-gaap:WeightedAverageNumberOfSharesO | 2009-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 16598000000, "concept": "us-gaap:ShortTermInvestments"} | 2011-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 53575000000, "concept": "us-gaap:ShortTermInvestments"} | 2010-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 8654000000, "concept": "us-gaap:ShortTermInvestments"} | 2009-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 1439865000000, "concept": "us-gaap:StockholdersEquity"} | 2011-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 1284658000000, "concept": "us-gaap:StockholdersEquity"} | 2010-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 1049951000000, "concept": "us-gaap:StockholdersEquity"} | 2009-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 9185629000000, "concept": "us-gaap:Assets"} | 2011-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 8964464000000, "concept": "us-gaap:Assets"} | 2010-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 9403709000000, "concept": "us-gaap:Assets"} | 2009-03-31 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 2441389000000, "concept": "us-gaap:StockholdersEquityIncludingPor | 2011-03-31 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 2267845000000, "concept": "us-gaap:StockholdersEquityIncludingPor | 2010-03-31 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 2179352000000, "concept": "us-gaap:StockholdersEquityIncludingPor | 2009-03-31 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 3313120000000, "concept": "us-gaap:StockholdersEquityIncludingPor | 2008-03-31 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 3516546000000, "concept": "us-gaap:StockholdersEquityIncludingPor | 2007-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 6744240000000, "concept": "us-gaap:Liabilities"} | 2011-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 6696619000000, "concept": "us-gaap:Liabilities"} | 2010-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 7224357000000, "concept": "us-gaap:Liabilities"} | 2009-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 9185629000000, "concept": "us-gaap:LiabilitiesAndStockholdersEqui | 2011-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 8964464000000, "concept": "us-gaap:LiabilitiesAndStockholdersEqui | 2010-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 9403709000000, "concept": "us-gaap:LiabilitiesAndStockholdersEqui | 2009-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 1371000000, "concept": "us-gaap:TreasuryStockValue"} | 2011-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 26151000000, "concept": "us-gaap:TreasuryStockValue"} | 2010-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 26237000000, "concept": "us-gaap:TreasuryStockValue"} | 2009-03-31 | sec_edgar |
| xbrl:AccountsNotesAndLoansReceivableNetCurrent | {"unit": "JPY", "value": 2090919000000} | 2011-03-31 | sec_edgar |
| xbrl:AccountsNotesAndLoansReceivableNetCurrent | {"unit": "JPY", "value": 2242492000000} | 2010-03-31 | sec_edgar |
| xbrl:AccountsNotesAndLoansReceivableNetCurrent | {"unit": "JPY", "value": 2133278000000} | 2009-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 1236758000000} | 2011-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 1229546000000} | 2010-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 1138770000000} | 2009-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 2026158000000} | 2011-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 2180357000000} | 2010-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 2073701000000} | 2009-03-31 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 73514000000} | 2011-03-31 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 50446000000} | 2010-03-31 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 24689000000} | 2009-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 933918000000} | 2011-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 919849000000} | 2010-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrent | {"unit": "JPY", "value": 878454000000} | 2009-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 5852157000000} | 2011-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 5800093000000} | 2010-03-31 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 5714446000000} | 2009-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"unit": "JPY", "value": -493062000000} | 2011-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"unit": "JPY", "value": -432057000000} | 2010-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"unit": "JPY", "value": -586351000000} | 2009-03-31 | sec_edgar |
| xbrl:AcquiredFiniteLivedIntangibleAssetAmount | {"unit": "JPY", "value": 143156000000} | 2011-03-31 | sec_edgar |
| xbrl:AcquiredFiniteLivedIntangibleAssetAmount | {"unit": "JPY", "value": 177585000000} | 2010-03-31 | sec_edgar |
| xbrl:AcquiredFiniteLivedIntangibleAssetAmount | {"unit": "JPY", "value": 168911000000} | 2009-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"unit": "JPY", "value": 603133000000} | 2011-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"unit": "JPY", "value": 620577000000} | 2010-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"unit": "JPY", "value": 560066000000} | 2009-03-31 | sec_edgar |
| xbrl:AdjustmentForAmortization | {"unit": "JPY", "value": 115037000000} | 2011-03-31 | sec_edgar |
| xbrl:AdjustmentForAmortization | {"unit": "JPY", "value": 116065000000} | 2010-03-31 | sec_edgar |
| xbrl:AdjustmentForAmortization | {"unit": "JPY", "value": 178164000000} | 2009-03-31 | sec_edgar |
| xbrl:AdjustmentForAmortization | {"unit": "JPY", "value": 146136000000} | 2008-03-31 | sec_edgar |
| xbrl:AdvertisingExpense | {"unit": "JPY", "value": 31170000000} | 2011-03-31 | sec_edgar |
| xbrl:AdvertisingExpense | {"unit": "JPY", "value": 28877000000} | 2010-03-31 | sec_edgar |
| xbrl:AdvertisingExpense | {"unit": "JPY", "value": 38598000000} | 2009-03-31 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 36763000000} | 2011-03-31 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 43470000000} | 2010-03-31 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 46486000000} | 2009-03-31 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 9185629000000} | 2011-03-31 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 8964464000000} | 2010-03-31 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 9403709000000} | 2009-03-31 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 4900029000000} | 2011-03-31 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 4775197000000} | 2010-03-31 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 5065399000000} | 2009-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"unit": "JPY", "value": 26490000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"unit": "JPY", "value": 59038000000} | 2010-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"unit": "JPY", "value": 24729000000} | 2009-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue | {"unit": "JPY", "value": 5979000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue | {"unit": "JPY", "value": 13711000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue | {"unit": "JPY", "value": 14371000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesDebtSecurities | {"unit": "JPY", "value": 34061000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedGains | {"unit": "JPY", "value": 3556000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedGains | {"unit": "JPY", "value": 1124000000} | 2010-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedGains | {"unit": "JPY", "value": 2017000000} | 2009-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedLosses | {"unit": "JPY", "value": 385000000} | 2011-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedLosses | {"unit": "JPY", "value": 56000000} | 2010-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecuritiesGrossRealizedLosses | {"unit": "JPY", "value": 1029000000} | 2009-03-31 | sec_edgar |
| xbrl:BuildingsAndImprovementsGross | {"unit": "JPY", "value": 1909825000000} | 2011-03-31 | sec_edgar |
| xbrl:BuildingsAndImprovementsGross | {"unit": "JPY", "value": 1931104000000} | 2010-03-31 | sec_edgar |
| xbrl:BuildingsAndImprovementsGross | {"unit": "JPY", "value": 1915992000000} | 2009-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionCostOfAcquiredEntityCashPaid | {"unit": "JPY", "value": 24894000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable | {"unit": "JPY", "value": 3699000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration | {"unit": "JPY", "value": 738000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionCostOfAcquiredEntityPurchasePrice | {"unit": "JPY", "value": 29331000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionPercentageOfVotingInterestsAcquired | {"value": 0.2} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionPurchasePriceAllocationAssetsAcquired | {"unit": "JPY", "value": 54742000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionPurchasePriceAllocationCurrentAssets | {"unit": "JPY", "value": 43346000000} | 2011-03-31 | sec_edgar |
| xbrl:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities | {"unit": "JPY", "value": 13740000000} | 2011-03-31 | sec_edgar |