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Derivative Instruments and Hedging Activities (Fair Value Of Derivatives Designated As Hedging Instruments) (Details) - Designated As Hedging Instrument [Member] - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
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Derivative [Line Items] |  |
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value | $ 0 | $ 0
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value | 148 | 265
Interest Rate Derivative Assets, at Fair Value | 130 | 61
Interest Rate Derivative Liabilities, at Fair Value | 2 | 15
Derivative Instruments in Hedges, Assets, at Fair Value | 130 | 61
Derivative Instruments in Hedges, Liabilities, at Fair Value | $ 150 | $ 280

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- Definition Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References No definition available. + Details
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- Definition Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References No definition available. + Details
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- Definition Fair value of all derivative assets designated as hedges of net investment in foreign operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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