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Investments (Rating info) (Details) - Ameriprise Financial [Member] $ in Millions | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Investments |  |  |
Fixed Maturity Investments Rated Internally |  | $ 609 | $ 755
Percentage of GNMA, FNMA and FHLMC securities rated AAA |  | 41.00% | 36.00%
Number of holdings of other than GNMA, FNMA, and FHLMC having greater than 10% of total equity |  | 0 | 0
AAA [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 15,675 | $ 13,399
Fair value |  | $ 15,916 | $ 13,252
Percent of total fair value |  | 51.00% | 43.00%
AA [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 1,080 | $ 1,571
Fair value |  | $ 1,291 | $ 1,723
Percent of total fair value |  | 4.00% | 5.00%
A [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 3,020 | $ 3,667
Fair value |  | $ 3,498 | $ 3,899
Percent of total fair value |  | 11.00% | 13.00%
BBB [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 8,542 | $ 11,102
Fair value |  | $ 9,441 | $ 11,290
Percent of total fair value |  | 31.00% | 36.00%
Below investment grade [Member] |  |  |
Investments |  |  |
Amortized cost | [1] | $ 795 | $ 932
Fair value | [1] | $ 821 | $ 894
Percent of total fair value |  | 3.00% | 3.00%
Total fixed maturities [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 29,112 | $ 30,671
Fair value |  | $ 30,967 | $ 31,058
Percent of total fair value |  | 100.00% | 100.00%
Interest in CLOs managed by the Company [Member] | Below investment grade [Member] |  |  |
Investments |  |  |
Amortized cost |  | $ 4 | $ 5
Fair value |  | $ 6 | $ 6
[1] | The amortized cost and fair value of below investment grade securities includes interest in CLOs managed by the Company of $4 million and $6 million, respectively, at September 30, 2019, and $5 million and $6 million, respectively, at December 31, 2018. These securities are not rated but are included in below investment grade due to their risk characteristics.

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