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interior flooring, electrical, and 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If liabilities transferred as consideration remain within the combined entity after the business combination (for example, because the assets or liabilities were transferred to the acquiree rather than to its former owners), and the acquirer therefore retains control of them; in that situation, the acquirer measures those liabilities at their carrying amounts immediately before the acquisition date.","units":{"USD":[{"end":"2009-12-31","val":10500000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009Q4I"},{"end":"2010-09-30","val":5700000,"accn":"0001193125-11-281978","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-26","frame":"CY2010Q3I"},{"end":"2010-12-31","val":5700000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2010Q4I"},{"end":"2010-12-31","val":5700000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":70200000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2011Q4I"},{"end":"2011-12-31","val":70200000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2012-12-31","val":3600000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1300000,"accn":"0001193125-13-169704","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-24","frame":"CY2013Q1I"}]}},"BusinessAcquisitionCostOfAcquiredEntityTransactionCosts":{"label":"Business Acquisition, Transaction Costs","description":"Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.","units":{"USD":[{"end":"2010-06-30","val":2500000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q2I"},{"end":"2011-12-31","val":3800000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2011Q4I"},{"end":"2011-12-31","val":3800000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business Combination, Acquisition Related Costs","description":"This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. 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Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. 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changes.","units":{"USD":[{"start":"2007-01-01","end":"2007-12-31","val":72200000,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25","frame":"CY2007"},{"start":"2008-01-01","end":"2008-06-30","val":-60800000,"accn":"0001193125-09-155929","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-07-27"},{"start":"2008-01-01","end":"2008-09-30","val":47200000,"accn":"0001193125-09-213906","fy":2009,"fp":"Q3","form":"10-Q","filed":"2009-10-26"},{"start":"2008-01-01","end":"2008-12-31","val":103700000,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25"},{"start":"2008-01-01","end":"2008-12-31","val":103700000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2008"},{"start":"2009-01-01","end":"2009-03-31","val":75100000,"accn":"0001193125-10-093422","fy":2010,"fp":"Q1","form":"10-Q","filed":"2010-04-26","frame":"CY2009Q1"},{"start":"2009-01-01","end":"2009-06-30","val":15800000,"accn":"0001193125-09-155929","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-07-27"},{"start":"2009-01-01","end":"2009-06-30","val":15800000,"accn":"0001193125-10-173066","fy":2010,"fp":"Q2","form":"10-Q/A","filed":"2010-08-02"},{"start":"2009-01-01","end":"2009-09-30","val":40000000,"accn":"0001193125-09-213906","fy":2009,"fp":"Q3","form":"10-Q","filed":"2009-10-26"},{"start":"2009-01-01","end":"2009-09-30","val":40000000,"accn":"0001193125-10-235721","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-10-25"},{"start":"2009-01-01","end":"2009-12-31","val":82300000,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25"},{"start":"2009-01-01","end":"2009-12-31","val":82300000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24"},{"start":"2009-01-01","end":"2009-12-31","val":82300000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2009"},{"start":"2010-01-01","end":"2010-03-31","val":46000000,"accn":"0001193125-10-093422","fy":2010,"fp":"Q1","form":"10-Q","filed":"2010-04-26"},{"start":"2010-01-01","end":"2010-03-31","val":46000000,"accn":"0001193125-11-107748","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-25","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":-81500000,"accn":"0001193125-10-173066","fy":2010,"fp":"Q2","form":"10-Q/A","filed":"2010-08-02"},{"start":"2010-01-01","end":"2010-06-30","val":-81500000,"accn":"0001193125-11-196246","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-07-26"},{"start":"2010-01-01","end":"2010-09-30","val":-12200000,"accn":"0001193125-10-235721","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-10-25"},{"start":"2010-01-01","end":"2010-09-30","val":-12200000,"accn":"0001193125-11-281978","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-26"},{"start":"2010-01-01","end":"2010-12-31","val":-33000000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24"},{"start":"2010-01-01","end":"2010-12-31","val":-33000000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2010-01-01","end":"2010-12-31","val":-33000000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":106900000,"accn":"0001193125-11-107748","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-04-25"},{"start":"2011-01-01","end":"2011-03-31","val":106900000,"accn":"0001193125-12-181398","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":270500000,"accn":"0001193125-11-196246","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-07-26"},{"start":"2011-01-01","end":"2011-06-30","val":270500000,"accn":"0001193125-12-316777","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-07-26"},{"start":"2011-01-01","end":"2011-09-30","val":125600000,"accn":"0001193125-11-281978","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-26"},{"start":"2011-01-01","end":"2011-09-30","val":125600000,"accn":"0001193125-12-433336","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-10-24"},{"start":"2011-01-01","end":"2011-12-31","val":-45000000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"start":"2011-01-01","end":"2011-12-31","val":-45000000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2011"},{"start":"2011-01-02","end":"2011-12-31","val":-45000000,"accn":"0001193125-14-058921","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-19"},{"start":"2012-01-01","end":"2012-03-31","val":78200000,"accn":"0001193125-12-181398","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-04-25"},{"start":"2012-01-01","end":"2012-03-31","val":78200000,"accn":"0001193125-13-169704","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-24","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":117600000,"accn":"0001193125-12-316777","fy":2012,"fp":"Q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Cash Equivalents, and Short-term Investments","description":"Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2009-12-31","val":644100000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2009Q4I"},{"end":"2010-12-31","val":588100000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24"},{"end":"2010-12-31","val":588100000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":526600000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23"},{"end":"2011-12-31","val":526600000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20","frame":"CY2011Q4I"},{"end":"2012-12-31","val":773100000,"accn":"0001193125-13-067023","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-20"},{"end":"2012-12-31","val":773100000,"accn":"0001193125-14-058921","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":846600000,"accn":"0001193125-14-058921","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-19"},{"end":"2013-12-31","val":846600000,"accn":"0001193125-15-052531","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":793700000,"accn":"0001193125-15-052531","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-18"},{"end":"2014-12-31","val":793700000,"accn":"0001193125-16-461749","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-12","frame":"CY2014Q4I"},{"end":"2015-12-31","val":615400000,"accn":"0001193125-16-461749","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-12"},{"end":"2015-12-31","val":615400000,"accn":"0001193125-17-040742","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-13","frame":"CY2015Q4I"},{"end":"2016-12-31","val":623200000,"accn":"0001193125-17-040742","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-13","frame":"CY2016Q4I"}]}},"CashDividends":{"label":"Cash Dividends (Deprecated 2009-01-31)","description":"Cash dividend declared by an entity to shareholders during the period. This element includes paid and unpaid dividends declared during the period.","units":{"USD":[{"start":"2008-01-01","end":"2008-06-30","val":31000000,"accn":"0001193125-09-155929","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-07-27"},{"start":"2009-01-01","end":"2009-06-30","val":32800000,"accn":"0001193125-09-155929","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-07-27"}]}},"CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Operating Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2007-01-01","end":"2007-12-31","val":5300000,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25","frame":"CY2007"},{"start":"2008-01-01","end":"2008-12-31","val":0,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001193125-10-039864","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-25","frame":"CY2009"}]}},"CommercialPaper":{"label":"Commercial Paper","description":"Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.","units":{"USD":[{"end":"2009-12-31","val":0,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2009Q4I"},{"end":"2010-12-31","val":80500000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2010Q4I"},{"end":"2010-12-31","val":80500000,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24"},{"end":"2011-12-31","val":304500000,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011Q4I"}]}},"CommercialPaperAtCarryingValue":{"label":"Commercial Paper, at Carrying Value","description":"Unsecured short-term debt instrument issued by corporations which are highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. 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A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":21,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":22,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"FiniteLivedIntangibleAssetsUsefulLifeMinimum":{"label":"Finite-Lived Intangible Assets, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.","units":{"pure":[{"start":"2010-01-01","end":"2010-12-31","val":7,"accn":"0001193125-11-044634","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":3,"accn":"0001193125-12-075199","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-23","frame":"CY2011"}]}},"FiniteLivedIntangibleAssetsWeightedAverageUsefulLife":{"label":"Finite-Lived Intangible Assets, Weighted-Average Useful Life (Deprecated 2012-01-31)","description":"The calculated weighted-average useful life of all finite-lived intangible 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Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. 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