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Includes effect from exchange rate 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Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2009-12-31","val":55136359,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18","frame":"CY2009Q4I"},{"end":"2009-12-31","val":55136359,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05"},{"end":"2009-12-31","val":55136359,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":64021965,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":64088217,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05","frame":"CY2010Q3I"},{"end":"2010-12-31","val":64675815,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2010Q4I"},{"end":"2010-12-31","val":64675815,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"end":"2010-12-31","val":64675815,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"end":"2010-12-31","val":64675815,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05"},{"end":"2010-12-31","val":64675815,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18"},{"end":"2011-03-31","val":65341438,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":74696845,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":75265831,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":75556167,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":75556167,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"end":"2011-12-31","val":75556167,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2011-12-31","val":75556167,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":75556167,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17"},{"end":"2012-03-31","val":76679462,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":76795641,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01","frame":"CY2012Q2I"},{"end":"2012-09-30","val":76831467,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":76925351,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":76925351,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2012-12-31","val":76925351,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2012Q4I"},{"end":"2012-12-31","val":76925351,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":76925351,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02"},{"end":"2013-03-31","val":77057622,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":77154677,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02","frame":"CY2013Q2I"},{"end":"2013-09-30","val":77187542,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":77210095,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2009-12-31","val":551000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18","frame":"CY2009Q4I"},{"end":"2009-12-31","val":551000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05"},{"end":"2009-12-31","val":551000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":640000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":641000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05","frame":"CY2010Q3I"},{"end":"2010-12-31","val":647000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2010Q4I"},{"end":"2010-12-31","val":647000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"end":"2010-12-31","val":647000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"end":"2010-12-31","val":647000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05"},{"end":"2010-12-31","val":647000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18"},{"end":"2011-03-31","val":653000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":747000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":753000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":756000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":756000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"end":"2011-12-31","val":756000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2011-12-31","val":756000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":756000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17"},{"end":"2012-03-31","val":767000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":768000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01","frame":"CY2012Q2I"},{"end":"2012-09-30","val":768000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":769000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":769000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2012-12-31","val":769000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2012Q4I"},{"end":"2012-12-31","val":769000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":769000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02"},{"end":"2013-03-31","val":771000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":772000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02","frame":"CY2013Q2I"},{"end":"2013-09-30","val":772000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":772000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"CommonStockValueOutstanding":{"label":"Common Stock, Value, Outstanding","description":"Value of all classes of common stock held by shareholders. 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These shares exclude common shares repurchased by the entity and held as treasury 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uityMethodInvestmentOwnershipPercentage":{"label":"Equity 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Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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facility.","units":{"USD":[{"end":"2011-06-30","val":750000000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":750000000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":750000000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q4I"},{"end":"2011-12-31","val":750000000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2011-12-31","val":750000000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2012-01-05","val":750000000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"end":"2012-01-05","val":750000000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2012-01-05","val":750000000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"}]}},"LineOfCreditFacilityMaximumBorrowingCapacity":{"label":"Line 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received from the disposal of the long-lived asset during or after the reporting 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Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2011-06-30","val":1534810000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1534107000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1662732000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1432675000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1432481000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1732251000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1731960000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1691636000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1661624000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1838527000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1759428000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after 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 after 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":230742000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":70499000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"}]}},"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. 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":9041000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":309307000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","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 fourth 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":7962000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":9041000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","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 third 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":53839000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":7962000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"}]}},"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. 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":70529000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":53839000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"}]}},"LongTermLineOfCredit":{"label":"Long-term Line of Credit, Noncurrent","description":"The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. 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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2009-12-31","val":70000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18","frame":"CY2009Q4I"},{"end":"2009-12-31","val":70000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05"},{"end":"2009-12-31","val":70000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":70000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":70000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05","frame":"CY2010Q3I"},{"end":"2010-12-31","val":70000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2010Q4I"},{"end":"2010-12-31","val":70000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"end":"2010-12-31","val":70000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"end":"2010-12-31","val":70000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05"},{"end":"2010-12-31","val":70000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18"},{"end":"2011-03-31","val":70000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":30000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":22000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":22000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":22000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"end":"2011-12-31","val":22000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2011-12-31","val":22000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":22000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17"},{"end":"2012-03-31","val":22000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":22000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01","frame":"CY2012Q2I"},{"end":"2012-09-30","val":22000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":22000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":22000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2012-12-31","val":22000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2012Q4I"},{"end":"2012-12-31","val":22000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":22000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02"},{"end":"2013-03-31","val":22000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":22000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02","frame":"CY2013Q2I"},{"end":"2013-09-30","val":22000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":22000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"PreferredStockValueOutstanding":{"label":"Preferred Stock, Value, Outstanding","description":"Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred 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Security deposits held may be interest or noninterest bearing.","units":{"USD":[{"end":"2011-12-31","val":9283000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2011Q4I"},{"end":"2012-12-31","val":9337000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2012-12-31","val":9337000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2012Q4I"},{"end":"2013-12-31","val":9441000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"SegmentReportingInformationRevenue":{"label":"Segment Reporting Information, Revenue for Reportable Segment (Deprecated 2013-01-31)","description":"Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. 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The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2008-12-31","val":969204000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18","frame":"CY2008Q4I"},{"end":"2009-12-31","val":1022919000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2009Q4I"},{"end":"2009-12-31","val":1022919000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18"},{"end":"2009-12-31","val":1022919000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05"},{"end":"2009-12-31","val":1022919000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06"},{"end":"2010-06-30","val":1282265000,"accn":"0001193125-10-181176","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-06","frame":"CY2010Q2I"},{"end":"2010-09-30","val":1275561000,"accn":"0001193125-10-249703","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05","frame":"CY2010Q3I"},{"end":"2010-12-31","val":1276393000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2010Q4I"},{"end":"2010-12-31","val":1276393000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"end":"2010-12-31","val":1276393000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"end":"2010-12-31","val":1276393000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05"},{"end":"2010-12-31","val":1276393000,"accn":"0001193125-11-040149","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-18"},{"end":"2011-03-31","val":1284447000,"accn":"0001193125-11-127157","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":1592936000,"accn":"0001193125-11-212478","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1594526000,"accn":"0001193125-11-297174","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1610449000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2011-12-31","val":1610449000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"end":"2011-12-31","val":1610449000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01"},{"end":"2011-12-31","val":1610449000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":1610449000,"accn":"0001193125-12-067058","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17"},{"end":"2011-12-31","val":1610449000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2011Q4I"},{"end":"2012-03-31","val":1648536000,"accn":"0001193125-12-211544","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":1651437000,"accn":"0001193125-12-328648","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-01","frame":"CY2012Q2I"},{"end":"2012-09-30","val":1637482000,"accn":"0001193125-12-457261","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":1686482000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":1686482000,"accn":"0001193125-13-061095","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15"},{"end":"2012-12-31","val":1686482000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2012Q4I"},{"end":"2012-12-31","val":1686482000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":1686482000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02"},{"end":"2013-03-31","val":1689358000,"accn":"0001193125-13-210789","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1707252000,"accn":"0001144204-13-042726","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-02","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1701873000,"accn":"0001144204-13-059170","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1752184000,"accn":"0001144204-14-010385","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-18","frame":"CY2013Q4I"}]}},"StockIssuedDuringPeriodSharesConversionOfUnits":{"label":"Stock Issued During Period, Shares, Conversion of Units","description":"The number of shares issued during the period upon the conversion of units. 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Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. 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