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Derivatives and Hedging Activities (Details Textuals) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Derivatives, Fair Value [Line Items] |  |  |
Margin on interest rate swap not netted | $ 11,000,000 | $ 34,000,000 |
Carrying values of hedged liabilities | 13,100,000,000 | 16,400,000,000 |
Cumulative amount of fair value hedging adjustments | 237,000,000 | 622,000,000 |
Net increases (reductions) in interest expense on long term debt and other | (256,000,000) | (256,000,000) | $ 102,000,000
Not Designated as Hedging Instrument |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional amount of derivatives | 19,000,000,000 | 14,400,000,000 |
Other Expense |  |  |
Derivatives, Fair Value [Line Items] |  |  |
(Loss) gain in changes in fair value of derivatives not designated as hedges | (21,000,000) | 10,000,000 | 64,000,000
Gain on embedded derivatives | 0 | 0 | 3,000,000
Credit Valuation Adjustment |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Fixed-rate debt obligations designated in fair value relationships | 0 | 0 |
Fair Value Hedges |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Fixed-rate debt obligations designated in fair value relationships | 12,900,000,000 | 15,800,000,000 |
Net Investment Hedges |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional amount of derivatives | 12,600,000,000 | 10,500,000,000 |
Gain (loss) on net investment hedges, net of taxes | 176,000,000 | (253,000,000) | (140,000,000)
Reclassifications out of AOCI | $ 0 | $ 0 | $ 0

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- Definition Changes in the fair value of the derivatives and the related underlying foreign currency exposure + References No definition available. + Details
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- Definition Amount posted as initial margin for centrally cleared interest rate swaps which is not netted against the derivative balances. + References No definition available. + Details
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- Definition Represents the amount of a net reduction to interest expense on long-term debt and other, primarily related to the net settlements on the Company's fair value hedges. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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