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and Cash Equivalents, at Carrying Value, Including Discontinued Operations","description":"For the entity and the disposal group, 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 Entity may deposit additional funds at any time and also 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. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash 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Equity, Including Portion Attributable to Noncontrolling Interest","description":"Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent 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The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2016-03-31","val":435000000,"accn":"0000008868-16-000135","fy":2015,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2016Q1I"},{"end":"2016-06-30","val":435000000,"accn":"0000008868-16-000167","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-02","frame":"CY2016Q2I"},{"end":"2016-09-30","val":435000000,"accn":"0000008868-16-000192","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-03","frame":"CY2016Q3I"}]}},"TemporaryEquityLiquidationPreferencePerShare":{"label":"Temporary Equity, Liquidation Preference Per Share","description":"The per share liquidation preference (or restrictions) of stock classified as temporary equity that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"USD/shares":[{"end":"2016-03-01","val":1000,"accn":"0000008868-18-000013","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-22"},{"end":"2016-03-01","val":1000,"accn":"0000008868-19-000016","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-21"},{"end":"2016-03-01","val":1000,"accn":"0000008868-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-05"},{"end":"2016-03-31","val":1000,"accn":"0000008868-16-000135","fy":2015,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1000,"accn":"0000008868-16-000167","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-02","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1000,"accn":"0000008868-16-000192","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-03","frame":"CY2016Q3I"},{"end":"2016-12-31","val":1000,"accn":"0000008868-17-000009","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-22","frame":"CY2016Q4I"}]}},"TemporaryEquityStockIssuedDuringPeriodValueNewIssues":{"label":"Temporary Equity, Stock Issued During Period, Value, New Issues","description":"Value of new stock classified as temporary equity issued during the period.","units":{"USD":[{"end":"2016-03-01","val":435000000,"accn":"0000008868-16-000135","fy":2015,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2016Q1I"}]}},"TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax":{"label":"Translation Adjustment Functional to Reporting Currency, Net of Tax","description":"Amount of cumulative translation gain (loss), after tax, from translating foreign currency financial statements into the reporting currency.","units":{"USD":[{"end":"2008-12-31","val":-312300000,"accn":"0001193125-11-044531","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2008Q4I"},{"end":"2009-12-31","val":192800000,"accn":"0001193125-11-044531","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2009Q4I"},{"end":"2010-12-31","val":59600000,"accn":"0001193125-11-044531","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-24","frame":"CY2010Q4I"}]}},"TreasuryStockShares":{"label":"Treasury Stock, Shares","description":"Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no 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