{"cik":731766,"taxonomy":"us-gaap","tag":"PaymentsToAcquireProductiveAssets","label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","entityName":"UnitedHealth Group Incorporated","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":791000000,"accn":"0001193125-11-147792","fy":2010,"fp":"FY","form":"8-K","filed":"2011-05-23","frame":"CY2008"},{"start":"2008-01-01","end":"2008-12-31","val":791000000,"accn":"0001193125-11-030615","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-10"},{"start":"2009-01-01","end":"2009-12-31","val":739000000,"accn":"0001193125-11-147792","fy":2010,"fp":"FY","form":"8-K","filed":"2011-05-23","frame":"CY2009"},{"start":"2009-01-01","end":"2009-12-31","val":739000000,"accn":"0001193125-11-030615","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-10"},{"start":"2010-01-01","end":"2010-03-31","val":132000000,"accn":"0001193125-11-124184","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-03","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":343000000,"accn":"0001193125-11-206372","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-02"},{"start":"2010-01-01","end":"2010-12-31","val":878000000,"accn":"0001193125-11-147792","fy":2010,"fp":"FY","form":"8-K","filed":"2011-05-23","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":878000000,"accn":"0001193125-11-030615","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-10"},{"start":"2011-01-01","end":"2011-03-31","val":213000000,"accn":"0001193125-11-124184","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-03","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":516000000,"accn":"0001193125-11-206372","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-02"}]}}