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The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2010-12-31","val":322124000,"accn":"0001193125-11-288196","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-31"},{"end":"2010-12-31","val":322124000,"accn":"0001193125-12-081292","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27","frame":"CY2010Q4I"},{"end":"2011-09-30","val":305056000,"accn":"0001193125-11-288196","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-10-31","frame":"CY2011Q3I"},{"end":"2011-12-31","val":325596000,"accn":"0001193125-12-081292","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27","frame":"CY2011Q4I"},{"end":"2015-12-31","val":323522000,"accn":"0001193125-16-671380","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-04"},{"end":"2015-12-31","val":323522000,"accn":"0001193125-16-752859","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-31","frame":"CY2015Q4I"},{"end":"2016-06-30","val":329723000,"accn":"0001193125-16-671380","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-04","frame":"CY2016Q2I"},{"end":"2016-09-30","val":332121000,"accn":"0001193125-16-752859","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-31","frame":"CY2016Q3I"},{"end":"2016-12-31","val":331941000,"accn":"0000024491-17-000007","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27"},{"end":"2016-12-31","val":331941000,"accn":"0000024491-17-000016","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":331941000,"accn":"0000024491-17-000019","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-30","frame":"CY2016Q4I"},{"end":"2017-03-31","val":329221000,"accn":"0000024491-17-000007","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-04-27","frame":"CY2017Q1I"},{"end":"2017-06-30","val":332163000,"accn":"0000024491-17-000016","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":330647000,"accn":"0000024491-17-000019","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-30","frame":"CY2017Q3I"},{"end":"2017-12-31","val":329329000,"accn":"0000024491-18-000006","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-30"},{"end":"2017-12-31","val":329329000,"accn":"0000024491-18-000017","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06"},{"end":"2017-12-31","val":329329000,"accn":"0000024491-18-000024","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-29","frame":"CY2017Q4I"},{"end":"2018-03-31","val":324142000,"accn":"0000024491-18-000006","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-30","frame":"CY2018Q1I"},{"end":"2018-06-30","val":318418000,"accn":"0000024491-18-000017","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06","frame":"CY2018Q2I"},{"end":"2018-09-30","val":317321000,"accn":"0000024491-18-000024","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-29","frame":"CY2018Q3I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":21199000,"accn":"0001193125-12-081292","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27","frame":"CY2011Q4I"},{"end":"2012-12-31","val":2319000,"accn":"0001193125-13-073996","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-25","frame":"CY2012Q4I"},{"end":"2013-12-31","val":17868000,"accn":"0001193125-14-100229","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":2115000,"accn":"0001193125-15-057886","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-23","frame":"CY2014Q4I"},{"end":"2015-12-31","val":600000,"accn":"0001193125-16-473434","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-23","frame":"CY2015Q4I"},{"end":"2016-12-31","val":2421000,"accn":"0000024491-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-17","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1413000,"accn":"0000024491-18-000003","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":174760000,"accn":"0000024491-19-000012","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-19","frame":"CY2018Q4I"},{"end":"2019-12-31","val":10000000,"accn":"0000024491-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-24"},{"end":"2019-12-31","val":10000000,"accn":"0000024491-20-000028","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-08-20","frame":"CY2019Q4I"},{"end":"2020-12-31","val":39213000,"accn":"0000024491-21-000011","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-22","frame":"CY2020Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. 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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-12-31","val":27128000,"accn":"0001193125-12-081292","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5437000,"accn":"0001193125-13-073996","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-25","frame":"CY2012Q4I"},{"end":"2013-12-31","val":12777000,"accn":"0001193125-14-100229","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":600000,"accn":"0001193125-15-057886","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-23","frame":"CY2014Q4I"},{"end":"2015-12-31","val":600000,"accn":"0001193125-16-473434","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-23","frame":"CY2015Q4I"},{"end":"2016-12-31","val":174488000,"accn":"0000024491-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-17","frame":"CY2016Q4I"},{"end":"2017-12-31","val":0,"accn":"0000024491-18-000003","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":5063000,"accn":"0000024491-19-000012","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-19","frame":"CY2018Q4I"},{"end":"2019-12-31","val":15000000,"accn":"0000024491-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-24"},{"end":"2019-12-31","val":15000000,"accn":"0000024491-20-000028","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-08-20","frame":"CY2019Q4I"},{"end":"2020-12-31","val":23915000,"accn":"0000024491-21-000011","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-22","frame":"CY2020Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. 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Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. 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