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Fair Value of Assets and Liabilities (Unobservable inputs) (Details 4) - Ameriprise Financial [Member] - Level 3 [Member] - Discounted cash flow [Member] $ in Millions | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Corporate debt securities [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Corporate debt securities, Available-for-sale, fair value |  | $ 794 | $ 912
Corporate debt securities [Member] | Minimum [Member] | Yield/spread to U.S. Treasuries [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Corporate debt securities, Availabe-for-sale, measurement inputs |  | 0.008 | 0.010
Corporate debt securities [Member] | Maximum [Member] | Yield/spread to U.S. Treasuries [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Corporate debt securities, Availabe-for-sale, measurement inputs |  | 0.031 | 0.036
Corporate debt securities [Member] | Weighted average [Member] | Yield/spread to U.S. Treasuries [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Corporate debt securities, Availabe-for-sale, measurement inputs |  | 0.013 | 0.015
Asset-backed securities [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, fair value |  | $ 6 | $ 6
Asset-backed securities [Member] | Annual short-term default rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.028 | 0.023
Asset-backed securities [Member] | Discount rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.110 | 0.115
Asset-backed securities [Member] | Minimum [Member] | Annual long-term default rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.025 | 0.025
Asset-backed securities [Member] | Minimum [Member] | Constant prepayment rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.050 | 0.050
Asset-backed securities [Member] | Minimum [Member] | Loss recovery [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.364 | 0.364
Asset-backed securities [Member] | Maximum [Member] | Annual long-term default rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.030 | 0.030
Asset-backed securities [Member] | Maximum [Member] | Constant prepayment rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.100 | 0.100
Asset-backed securities [Member] | Maximum [Member] | Loss recovery [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.636 | 0.636
Asset-backed securities [Member] | Weighted average [Member] | Annual long-term default rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.026 | 0.029
Asset-backed securities [Member] | Weighted average [Member] | Constant prepayment rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.100 | 0.100
Asset-backed securities [Member] | Weighted average [Member] | Loss recovery [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Asset backed securities, measurement inputs |  | 0.636 | 0.636
IUL embedded derivatives [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, fair value |  | $ 822 | $ 628
IUL embedded derivatives [Member] | Nonperformance risk [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [1] | 0.0078 | 0.0119
Indexed annuity embedded derivatives [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, fair value |  | $ 37 | $ 14
Indexed annuity embedded derivatives [Member] | Nonperformance risk [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [1] | 0.0078 | 0.0119
Indexed annuity embedded derivatives [Member] | Minimum [Member] | Surrender rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs |  | 0.000 | 0.000
Indexed annuity embedded derivatives [Member] | Maximum [Member] | Surrender rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs |  | 0.500 | 0.500
GMWB and GMAB embedded derivatives [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, fair value |  | $ 1,452 | $ 328
GMWB and GMAB embedded derivatives [Member] | Nonperformance risk [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [1] | 0.0078 | 0.0119
GMWB and GMAB embedded derivatives [Member] | Minimum [Member] | Surrender rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs |  | 0.001 | 0.001
GMWB and GMAB embedded derivatives [Member] | Minimum [Member] | Utilization of guaranteed withdrawals [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [2] | 0.000 | 0.000
GMWB and GMAB embedded derivatives [Member] | Minimum [Member] | Market volatility [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [3] | 0.039 | 0.040
GMWB and GMAB embedded derivatives [Member] | Maximum [Member] | Surrender rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs |  | 0.735 | 0.734
GMWB and GMAB embedded derivatives [Member] | Maximum [Member] | Utilization of guaranteed withdrawals [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [2] | 0.360 | 0.360
GMWB and GMAB embedded derivatives [Member] | Maximum [Member] | Market volatility [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Embedded derivatives, measurement inputs | [3] | 0.161 | 0.161
Contingent consideration liabilities [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contigent consideration liabilities, fair value |  | $ (26) | $ (30)
Contingent consideration liabilities [Member] | Discount rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration liabilities, measurement input |  | 9.00% | 9.00%
[1] | The nonperformance risk is the spread added to the observable interest rates used in the valuation of the embedded derivatives.
[2] | The utilization of guaranteed withdrawals represents the percentage of contractholders that will begin withdrawing in any given year.
[3] | Market volatility is implied volatility of fund of funds and managed volatility funds.

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