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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 | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | ---
Corporate debt securities [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Corporate debt securities, Available-for-sale, fair value |  | $ 743 |  | $ 749
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 |  | 0.014 |  | 0.008
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 |  | 0.053 |  | 0.028
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 |  | 0.022 | [1] | 0.012
Asset-backed securities [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, fair value |  | $ 2 |  | $ 5
Asset-backed securities [Member] | Annual short-term default rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.085 |  | 0.033
Asset-backed securities [Member] | Annual long-term default rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  |  |  | 0.030
Asset-backed securities [Member] | Discount rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.200 |  | 0.120
Asset-backed securities [Member] | Constant prepayment rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.100 |  |
Asset-backed securities [Member] | Loss recovery [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.636 |  |
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 |  | 0.035 |  |
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
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
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 |  | 0.040 |  |
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
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
Asset-backed securities [Member] | Weighted average [Member] | Annual short-term default rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.085 |  |
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 | [2] | 0.036 |  |
Asset-backed securities [Member] | Weighted average [Member] | Discount rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Asset backed securities, measurement inputs |  | 0.200 |  |
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 |  | $ 882 |  | $ 881
IUL embedded derivatives [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  | 0.65
IUL embedded derivatives [Member] | Weighted average [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  |
Fixed deferred indexed annuity embedded derivatives [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, fair value |  | $ 41 |  | $ 43
Fixed deferred indexed annuity embedded derivatives [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  | 0.65
Fixed deferred 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
Fixed deferred 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
Fixed deferred indexed annuity embedded derivatives [Member] | Weighted average [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  |
Fixed deferred indexed annuity embedded derivatives [Member] | Weighted average [Member] | Surrender rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [4] | 0.014 |  |
GMWB and GMAB embedded derivatives [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, fair value |  | $ 3,129 |  | $ 763
GMWB and GMAB embedded derivatives [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  | 0.65
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 | [5] | 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 | [6] | 0.046 |  | 0.037
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 |  | 0.735
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 | [5] | 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 | [6] | 0.180 |  | 0.159
GMWB and GMAB embedded derivatives [Member] | Weighted average [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  |
GMWB and GMAB embedded derivatives [Member] | Weighted average [Member] | Surrender rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [4] | 0.036 |  |
GMWB and GMAB embedded derivatives [Member] | Weighted average [Member] | Utilization of guaranteed withdrawals [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [5],[7] | 0.110 |  |
GMWB and GMAB embedded derivatives [Member] | Weighted average [Member] | Market volatility [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [6],[8] | 0.119 |  |
Structured annuity embedded derivatives [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, fair value |  | $ 9 |  |
Structured annuity embedded derivatives [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  |
Structured annuity embedded derivatives [Member] | Minimum [Member] | Surrender rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs |  | 0.008 |  |
Structured annuity embedded derivatives [Member] | Maximum [Member] | Surrender rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs |  | 0.400 |  |
Structured annuity embedded derivatives [Member] | Weighted average [Member] | Nonperformance risk [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [3] | 0.95 |  |
Structured annuity embedded derivatives [Member] | Weighted average [Member] | Surrender rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Embedded derivatives, measurement inputs | [4] | 0.009 |  |
Contingent consideration liabilities [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contigent consideration liabilities, fair value |  | $ 48 |  | $ 44
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%
Contingent consideration liabilities [Member] | Weighted average [Member] | Discount rate [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contingent consideration liabilities, measurement input |  | 9.00% |  |
[1] | The weighted average for the spread to U.S. Treasuries for corporate debt securities (private placements) is weighted based on the security’s market value as a percentage of the aggregate market value of the securities.
[2] | The weighted average annual long-term default rate of asset backed securities is weighted based on the security’s market value as a percentage of the aggregate market value of the securities.
[3] | The nonperformance risk is the spread added to the observable interest rates used in the valuation of the embedded derivatives.
[4] | The weighted average surrender rate is weighted based on the benefit base of each contract and represents the average assumption in the current year including the effect of a dynamic surrender formula.
[5] | The utilization of guaranteed withdrawals represents the percentage of contractholders that will begin withdrawing in any given year.
[6] | Market volatility is implied volatility of fund of funds and managed volatility funds.
[7] | The weighted average utilization rate represents the average assumption for the current year, weighting each policy evenly. The calculation excludes policies that have already started taking withdrawals.
[8] | The weighted average market volatility represents the average volatility across all contracts, weighted by the size of the guaranteed benefit.

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