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Fair Values of Assets and Liabilities (Recurring) (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Liabilities |  |  |  |  |
Individual contracts in a liability position | [1],[2] | $ 5,712 |  | $ 3,610 |
Individual contracts in an asset position | [3] | 4,272 |  | 2,574 |
Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk |  | (704) |  | (726) |
GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Individual contracts in a liability position |  | 1,600 |  | 646 |
Individual contracts in an asset position |  | 107 |  | 318 |
Ameriprise Financial [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 30,967 |  | 31,058 |
Separate account assets at NAV |  | 84,067 |  | 77,925 |
Investments segregated for regulatory purposes |  | 2,174 |  | 2,910 |
Ameriprise Financial [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 12,508 |  | 14,066 |
Ameriprise Financial [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 8,112 |  | 6,329 |
Ameriprise Financial [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 5,275 |  | 4,877 |
Ameriprise Financial [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,680 |  | 1,398 |
Ameriprise Financial [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,428 |  | 2,345 |
Ameriprise Financial [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,693 |  | 1,745 |
Ameriprise Financial [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 271 |  | 298 |
Ameriprise Financial [Member] | Recurring basis [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 4,615 |  | 2,505 |
Available-for-Sale securities |  | 30,967 |  | 31,058 |
Equity securities |  | 1 |  | 1 |
Equity securities at NAV | [4] | 6 |  | 6 |
Trading and other securities at fair value |  | 41 |  | 74 |
Separate account assets at NAV | [4] | 84,067 |  | 77,925 |
Investments segregated for regulatory purposes |  | 13 |  | 301 |
Other assets |  | 4,272 |  | 2,574 |
Total assets at fair value |  | 123,982 |  | 114,444 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 2,314 | [5] | 973 | [6]
Customer deposits |  | 13 |  | 6 |
Other liabilities |  | 3,423 |  | 2,680 |
Total liabilities at fair value |  | 5,750 |  | 3,659 |
Ameriprise Financial [Member] | Recurring basis [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 38 |  | 49 |
Ameriprise Financial [Member] | Recurring basis [Member] | Indexed annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 40 |  | 17 |
Ameriprise Financial [Member] | Recurring basis [Member] | IUL embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 822 |  | 628 |
Ameriprise Financial [Member] | Recurring basis [Member] | GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 1,452 | [7] | 328 | [8]
Ameriprise Financial [Member] | Recurring basis [Member] | Interest rate derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1,970 |  | 796 |
Liabilities |  |  |  |  |
Other liabilities |  | 521 |  | 424 |
Ameriprise Financial [Member] | Recurring basis [Member] | Equity derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 2,240 |  | 1,718 |
Liabilities |  |  |  |  |
Other liabilities |  | 2,830 |  | 2,154 |
Ameriprise Financial [Member] | Recurring basis [Member] | Credit derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 10 |  |  |
Liabilities |  |  |  |  |
Other liabilities |  |  |  | 18 |
Ameriprise Financial [Member] | Recurring basis [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 52 |  | 60 |
Liabilities |  |  |  |  |
Other liabilities |  | 34 |  | 35 |
Ameriprise Financial [Member] | Recurring basis [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 12,508 |  | 14,066 |
Ameriprise Financial [Member] | Recurring basis [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 8,112 |  | 6,329 |
Ameriprise Financial [Member] | Recurring basis [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 5,275 |  | 4,877 |
Ameriprise Financial [Member] | Recurring basis [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,680 |  | 1,398 |
Ameriprise Financial [Member] | Recurring basis [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,428 |  | 2,345 |
Ameriprise Financial [Member] | Recurring basis [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,693 |  | 1,745 |
Ameriprise Financial [Member] | Recurring basis [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 271 |  | 298 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 349 |  | 155 |
Available-for-Sale securities |  | 1,693 |  | 1,745 |
Equity securities |  | 1 |  |  |
Trading and other securities at fair value |  | 11 |  | 36 |
Investments segregated for regulatory purposes |  | 13 |  | 301 |
Other assets |  | 137 |  | 196 |
Total assets at fair value |  | 2,204 |  | 2,433 |
Liabilities |  |  |  |  |
Other liabilities |  | 26 |  | 95 |
Total liabilities at fair value |  | 26 |  | 95 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 6 |  | 13 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Equity derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 137 |  | 191 |
Liabilities |  |  |  |  |
Other liabilities |  | 19 |  | 78 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  |  |  | 5 |
Liabilities |  |  |  |  |
Other liabilities |  | 1 |  | 4 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,693 |  | 1,745 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 4,266 |  | 2,350 |
Available-for-Sale securities |  | 28,306 |  | 28,238 |
Equity securities |  |  |  | 1 |
Trading and other securities at fair value |  | 30 |  | 38 |
Other assets |  | 4,135 |  | 2,378 |
Total assets at fair value |  | 36,737 |  | 33,005 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 3 |  | 3 |
Customer deposits |  | 13 |  | 6 |
Other liabilities |  | 3,371 |  | 2,555 |
Total liabilities at fair value |  | 3,387 |  | 2,564 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 6 |  | 6 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Indexed annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 3 |  | 3 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Interest rate derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1,970 |  | 796 |
Liabilities |  |  |  |  |
Other liabilities |  | 521 |  | 424 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Equity derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 2,103 |  | 1,527 |
Liabilities |  |  |  |  |
Other liabilities |  | 2,811 |  | 2,076 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Credit derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 10 |  |  |
Liabilities |  |  |  |  |
Other liabilities |  |  |  | 18 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 52 |  | 55 |
Liabilities |  |  |  |  |
Other liabilities |  | 33 |  | 31 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 11,714 |  | 13,153 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 7,958 |  | 6,193 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 5,275 |  | 4,857 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,660 |  | 1,392 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 1,428 |  | 2,345 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 271 |  | 298 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 968 |  | 1,075 |
Total assets at fair value |  | 968 |  | 1,075 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 2,311 |  | 970 |
Other liabilities |  | 26 |  | 30 |
Total liabilities at fair value |  | 2,337 |  | 1,000 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 26 |  | 30 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Indexed annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 37 |  | 14 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | IUL embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 822 |  | 628 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 1,452 |  | 328 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 794 |  | 913 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | 154 |  | 136 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  |  |  | 20 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-Sale securities |  | $ 20 |  | $ 6 |
[1] | The fair value of freestanding derivative liabilities is included in Other liabilities on the Consolidated Balance Sheets. The fair value of GMWB and GMAB, IUL, and indexed annuity embedded derivatives is included in Policyholder account balances, future policy benefits and claims on the Consolidated Balance Sheets. The fair value of the SMC embedded derivative liability is included in Customer deposits on the Consolidated Balance Sheets.
[2] | The fair value of the Company’s derivative liabilities after considering the effects of master netting arrangements, cash collateral held by the same counterparty and the fair value of net embedded derivatives was $2.9 billion and $1.4 billion as of September 30, 2019 and December 31, 2018, respectively. See Note 12 for additional information related to master netting arrangements and cash collateral.
[3] | The fair value of freestanding derivative assets is included in Other assets on the Consolidated Balance Sheets.
[4] | Amounts are comprised of certain financial instruments that are measured at fair value using the NAV per share (or its equivalent) as a practical expedient and have not been classified in the fair value hierarchy.
[5] | The Company’s adjustment for nonperformance risk resulted in a $(704) million cumulative increase (decrease) to the embedded derivatives as of September 30, 2019.
[6] | The Company’s adjustment for nonperformance risk resulted in a $(726) million cumulative increase (decrease) to the embedded derivatives as of December 31, 2018.
[7] | The fair value of the GMWB and GMAB embedded derivatives included $1.6 billion of individual contracts in a liability position and $107 million of individual contracts in an asset position as of September 30, 2019.
[8] | The fair value of the GMWB and GMAB embedded derivatives included $646 million of individual contracts in a liability position and $318 million of individual contracts in an asset position as of December 31, 2018.

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