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Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2009-12-31","val":-172400000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"end":"2009-12-31","val":-172400000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07","frame":"CY2009Q4I"},{"end":"2010-12-31","val":-200983000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"end":"2010-12-31","val":-200983000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2010-12-31","val":-201416000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010Q4I"},{"end":"2011-12-31","val":-356147000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2011-12-31","val":-356580000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"end":"2011-12-31","val":-356580000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2011Q4I"},{"end":"2012-12-31","val":-326933000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"end":"2012-12-31","val":-326933000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2012-12-31","val":-326933000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":-47601000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2013-12-31","val":-47601000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":972381000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014Q4I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. 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This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":2257000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":2216000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1230000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"AssetRetirementObligationRevisionOfEstimate":{"label":"Asset Retirement Obligation, Revision of Estimate","description":"Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":-10779000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":2352000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":3239000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-5787000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":-5537000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":19668000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"AssetRetirementObligationsNoncurrent":{"label":"Asset Retirement Obligations, Noncurrent","description":"Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. 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Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-12-31","val":2640000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2013Q4I"}]}},"CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation":{"label":"Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation","description":"The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.","units":{"USD":[{"end":"2013-12-31","val":172825000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":145143000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014Q4I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"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. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2007-12-31","val":236779000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12","frame":"CY2007Q4I"},{"end":"2008-12-31","val":254839000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"end":"2008-12-31","val":254839000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07","frame":"CY2008Q4I"},{"end":"2009-12-31","val":414696000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"end":"2009-12-31","val":414696000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2009-12-31","val":414696000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2009Q4I"},{"end":"2010-12-31","val":340800000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"end":"2010-12-31","val":340800000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2010-12-31","val":340425000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010Q4I"},{"end":"2011-12-31","val":643379000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2011-12-31","val":642648000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011Q4I"},{"end":"2012-12-31","val":294958000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"end":"2012-12-31","val":293569000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2012Q4I"},{"end":"2013-12-31","val":268525000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2013-12-31","val":272936000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":70800000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014Q4I"}]}},"CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations":{"label":"Cash 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 equivalents.","units":{"USD":[{"end":"2010-12-31","val":340800000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2010Q4I"},{"end":"2011-12-31","val":643379000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2011-12-31","val":643379000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":297993000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2012-12-31","val":294957000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":274537000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"end":"2013-12-31","val":274539000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013Q4I"},{"end":"2014-12-31","val":72416000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014Q4I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. 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. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":18060000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":159857000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"start":"2009-01-01","end":"2009-12-31","val":159857000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07","frame":"CY2009"},{"start":"2009-12-31","end":"2010-12-31","val":-74271000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-73896000,"accn":"0000950123-11-049159","fy":2010,"fp":"FY","form":"20-F/A","filed":"2011-05-12"},{"start":"2010-01-01","end":"2010-12-31","val":-73896000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"start":"2010-12-31","end":"2011-12-31","val":302223000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":302579000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"start":"2011-01-01","end":"2011-12-31","val":302579000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-347690000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"start":"2012-01-01","end":"2012-12-31","val":-345386000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-348422000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-23456000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":-20418000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-202123000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"CashCollateralForBorrowedSecurities":{"label":"Cash Collateral for Borrowed Securities","description":"Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.","units":{"USD":[{"end":"2011-12-31","val":10074000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011Q4I"},{"end":"2012-12-31","val":5252000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2012Q4I"},{"end":"2012-12-31","val":5252000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"end":"2013-12-31","val":5310000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2013Q4I"}]}},"CashEquivalentsAtCarryingValue":{"label":"Cash Equivalents, at Carrying Value","description":"Amount of 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. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2010-12-31","val":340800000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07","frame":"CY2010Q4I"},{"end":"2011-12-31","val":642648000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011Q4I"},{"end":"2011-12-31","val":643379000,"accn":"0001193125-12-262968","fy":2011,"fp":"FY","form":"20-F/A","filed":"2012-06-07"},{"end":"2012-12-31","val":293569000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2012Q4I"},{"end":"2012-12-31","val":294958000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"end":"2013-12-31","val":268525000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15","frame":"CY2013Q4I"}]}},"CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Financing Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of financing activities of discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2009-12-31","end":"2010-12-31","val":-2589000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010"},{"start":"2010-12-31","end":"2011-12-31","val":-1628000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-7685000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-1477000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"start":"2012-01-01","end":"2012-12-31","val":-181061000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-200509000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-58985000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":-68208000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-2719000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Investing Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2009-12-31","end":"2010-12-31","val":233000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010"},{"start":"2010-12-31","end":"2011-12-31","val":8642000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-33786000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":4174000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"start":"2012-01-01","end":"2012-12-31","val":-61368000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-73938000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":-20680000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":-26160000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-114000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"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":"2009-12-31","end":"2010-12-31","val":-10594000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2010"},{"start":"2010-12-31","end":"2011-12-31","val":-12484000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-22674000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":-6737000,"accn":"0001193125-13-156601","fy":2012,"fp":"FY","form":"20-F","filed":"2013-04-16"},{"start":"2012-01-01","end":"2012-12-31","val":29733000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2012-01-01","end":"2012-12-31","val":45303000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":60538000,"accn":"0001193125-14-201166","fy":2013,"fp":"FY","form":"20-F","filed":"2014-05-15"},{"start":"2013-01-01","end":"2013-12-31","val":39757000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":-20463000,"accn":"0001193125-15-152929","fy":2014,"fp":"FY","form":"20-F","filed":"2015-04-28","frame":"CY2014"}]}},"CertificatesOfDepositAtCarryingValue":{"label":"Certificates of Deposit, at Carrying Value","description":"A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related 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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These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. 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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' 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These costs are categorized as cost of goods 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