Fair Value Measurements - Mortgage Servicing Rights (Details) $ in Millions |
Mar. 31, 2018
USD ($)
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| Fair Value Disclosures [Abstract] | |
| Impact of 10 percent decrease in prepayment speed | $ 72 |
| Impact of 20 percent decrease in prepayment speed | 149 |
| Impact of 10 percent increase in prepayment speed | 67 |
| Impact of 20 percent increase in prepayment speed | 129 |
| Impact of 100 basis points decrease in option adjusted spread | 70 |
| Impact of 200 basis points decrease in option adjusted spread | 146 |
| Impact of 100 basis points increase in option adjusted spread | 66 |
| Impact of 200 basis points increase in option adjusted spread | $ 127 |
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interest in Transferred Financial Assets, Impact of 100 Basis Points Decrease in Option Adjusted Spread No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interest in Transferred Financial Assets, Impact of 100 Basis Points Increase in Option Adjusted Spread No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interest in Transferred Financial Assets, Impact of 200 Basis Points Decrease in Option Adjusted Spread No definition available.
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- Definition This represents the hypothetical impact of a 200bps change to the option adjusted spread level on the fair value of interests that continue to be held by the transferor, servicing assets, or servicing liabilities as of the balance sheet date. No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Decrease in Prepayment Speed No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Increase in Prepayment Speed No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Decrease in Prepayment Speed No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Increase in Prepayment Speed No definition available.
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- References No definition available.
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