{"cik":872589,"taxonomy":"us-gaap","tag":"IncomeTaxesPaid","label":"Income Taxes Paid","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.","entityName":"REGENERON PHARMACEUTICALS, INC.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":3079000,"accn":"0001206774-11-000263","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-17","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001206774-11-000263","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-17","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001206774-11-000263","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-17","frame":"CY2010"}]}}