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v3.19.2

Fair Value Measurements - Significant Unobservable Inputs Freestanding Derivatives (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs | $ 0 |  |
Equity options |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Derivative Assets (Liabilities), at Fair Value, Net | $ (3) | $ (3) | $ 3
Interest rate swaptions [3] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Derivative Assets (Liabilities), at Fair Value, Net |  |  | $ 1
Interest rate swaptions [3] | Minimum |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  |  | 3.00%
Interest rate swaptions [3] | Maximum |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  |  | 3.00%
Interest rate swaptions [3] | Weighted Average [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  |  | 3.00%
Measurement Input, Option Volatility [Member] | Equity options | Minimum |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  | 12.00% | 19.00%
Measurement Input, Option Volatility [Member] | Equity options | Maximum |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  | 22.00% | 21.00%
Measurement Input, Option Volatility [Member] | Equity options | Weighted Average [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |  |
Fair Value Measurements, Unobservable Swap_Curve |  | 15.00% | 20.00%

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- Definition Range of input to the valuation of interest rate swaps that are unobservable due to the swap duration being in excess of the observable swap yield curve. + References No definition available. + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + 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 Amount of increase (decrease) in fair value from changes in the inputs used to calculate the fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(4)(i) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
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