{"cik":1049659,"taxonomy":"us-gaap","tag":"NetIncomeLoss","label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","entityName":"NATIONAL STEEL CO","units":{"USD":[{"start":"2007-01-01","end":"2007-12-31","val":1703000000,"accn":"0001292814-10-001853","fy":2009,"fp":"FY","form":"20-F","filed":"2010-06-01","frame":"CY2007"},{"start":"2008-01-01","end":"2008-12-31","val":2654000000,"accn":"0001292814-10-001853","fy":2009,"fp":"FY","form":"20-F","filed":"2010-06-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":1281000000,"accn":"0001292814-10-001853","fy":2009,"fp":"FY","form":"20-F","filed":"2010-06-01","frame":"CY2009"}]}}