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Fair Value of Assets and Liabilities Fair Vaues of Assets and Liabilities (Recurring) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Liabilities |  |  |  |  |
Individual contracts in a liability position | [1],[2] | $ 7,693 |  | $ 5,229 |
Individual contracts in an asset position | [3] | 5,870 |  | 4,361 |
Cumulative increase(decrease) in embedded derivatives due to nonperformance |  | (727) |  | (502) |
GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Individual contracts in a liability position |  | 2,400 |  | 981 |
Individual contracts in an asset position |  | 67 |  | 218 |
Ameriprise Financial [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 36,283 |  | 33,129 |
Separate account assets measured at NAV |  | 92,611 |  | 87,488 |
Investments and cash equivalents segregated for regulatory purposes |  | 2,558 |  | 2,386 |
Ameriprise Financial [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 13,674 |  | 12,187 |
Ameriprise Financial [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 10,029 |  | 10,029 |
Ameriprise Financial [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 6,088 |  | 5,563 |
Ameriprise Financial [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 3,329 |  | 2,006 |
Ameriprise Financial [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,384 |  | 1,367 |
Ameriprise Financial [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,456 |  | 1,680 |
Ameriprise Financial [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 262 |  | 271 |
Ameriprise Financial [Member] | Recurring basis [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 5,441 |  | 3,191 |
Available-for-sale securities |  | 36,283 |  | 33,129 |
Equity securities |  |  |  | 1 |
Investments measured at NAV | [4] | 8 |  | 6 |
Trading securities |  | 88 |  | 38 |
Separate account assets measured at NAV | [4] | 92,611 |  | 87,488 |
Investments and cash equivalents segregated for regulatory purposes |  | 600 |  | 14 |
Other assets |  | 5,870 |  | 4,361 |
Total assets at fair value |  | 140,901 |  | 128,228 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 3,373 | [5] | 1,690 | [6]
Customer deposits |  | 8 |  | 14 |
Other liabilities |  | 4,360 |  | 3,579 |
Total liabilities at fair value |  | 7,741 |  | 5,283 |
Ameriprise Financial [Member] | Recurring basis [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 48 |  | 54 |
Ameriprise Financial [Member] | Recurring basis [Member] | Interest rate derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1,755 |  | 1,455 |
Liabilities |  |  |  |  |
Other liabilities |  | 734 |  | 418 |
Ameriprise Financial [Member] | Recurring basis [Member] | Equity derivate dontracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 4,090 |  | 2,884 |
Liabilities |  |  |  |  |
Other liabilities |  | 3,571 |  | 3,098 |
Ameriprise Financial [Member] | Recurring basis [Member] | Credit Risk Contract [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 2 |  | 4 |
Liabilities |  |  |  |  |
Other liabilities |  | 1 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 23 |  | 18 |
Liabilities |  |  |  |  |
Other liabilities |  | 6 |  | 9 |
Ameriprise Financial [Member] | Recurring basis [Member] | Indexed annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 52 |  | 46 |
Ameriprise Financial [Member] | Recurring basis [Member] | IUL embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 935 |  | 881 |
Ameriprise Financial [Member] | Recurring basis [Member] | GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 2,316 | [7] | 763 | [8]
Ameriprise Financial [Member] | Recurring basis [Member] | Structured annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 70 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 13,674 |  | 12,187 |
Ameriprise Financial [Member] | Recurring basis [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 10,029 |  | 10,029 |
Ameriprise Financial [Member] | Recurring basis [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 6,088 |  | 5,563 |
Ameriprise Financial [Member] | Recurring basis [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 3,329 |  | 2,006 |
Ameriprise Financial [Member] | Recurring basis [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,384 |  | 1,367 |
Ameriprise Financial [Member] | Recurring basis [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,456 |  | 1,680 |
Ameriprise Financial [Member] | Recurring basis [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 262 |  | 271 |
Ameriprise Financial [Member] | Recurring basis [Member] | Other investments [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 61 |  | 26 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 2,935 |  | 267 |
Available-for-sale securities |  | 1,456 |  | 1,680 |
Equity securities |  |  |  | 1 |
Trading securities |  | 61 |  | 12 |
Investments and cash equivalents segregated for regulatory purposes |  | 600 |  | 14 |
Other assets |  | 410 |  | 163 |
Total assets at fair value |  | 5,462 |  | 2,137 |
Liabilities |  |  |  |  |
Other liabilities |  | 187 |  | 43 |
Total liabilities at fair value |  | 187 |  | 43 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 2 |  | 6 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Interest rate derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Equity derivate dontracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 408 |  | 162 |
Liabilities |  |  |  |  |
Other liabilities |  | 183 |  | 36 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1 |  | 1 |
Liabilities |  |  |  |  |
Other liabilities |  | 2 |  | 1 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 1 [Member] | U.S. government and agencies obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,456 |  | 1,680 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] |  |  |  |  |
Assets |  |  |  |  |
Cash equivalents |  | 2,506 |  | 2,924 |
Available-for-sale securities |  | 34,014 |  | 30,663 |
Trading securities |  | 27 |  | 26 |
Other assets |  | 5,460 |  | 4,198 |
Total assets at fair value |  | 42,007 |  | 37,811 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 3 |  | 3 |
Customer deposits |  | 8 |  | 14 |
Other liabilities |  | 4,130 |  | 3,492 |
Total liabilities at fair value |  | 4,141 |  | 3,509 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 3 |  | 4 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Interest rate derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 1,754 |  | 1,455 |
Liabilities |  |  |  |  |
Other liabilities |  | 734 |  | 418 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Equity derivate dontracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 3,682 |  | 2,722 |
Liabilities |  |  |  |  |
Other liabilities |  | 3,388 |  | 3,062 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Credit Risk Contract [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 2 |  | 4 |
Liabilities |  |  |  |  |
Other liabilities |  | 1 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Foreign exchange derivative contracts [Member] |  |  |  |  |
Assets |  |  |  |  |
Other assets |  | 22 |  | 17 |
Liabilities |  |  |  |  |
Other liabilities |  | 4 |  | 8 |
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] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 12,902 |  | 11,437 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 10,020 |  | 10,012 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Commercial mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 6,088 |  | 5,563 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 3,297 |  | 1,987 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | State and municipal obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 1,384 |  | 1,367 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Foreign government bonds and obligations [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 262 |  | 271 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 2 [Member] | Other investments [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 61 |  | 26 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 813 |  | 786 |
Total assets at fair value |  | 813 |  | 786 |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 3,370 |  | 1,687 |
Other liabilities |  | 43 |  | 44 |
Total liabilities at fair value |  | 3,413 |  | 1,731 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Other liabilities [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Other liabilities |  | 43 |  | 44 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Indexed annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 49 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | IUL embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 935 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | GMWB and GMAB embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 2,316 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Structured annuity embedded derivatives [Member] |  |  |  |  |
Liabilities |  |  |  |  |
Policyholder account balances, future policy benefits and claims |  | 70 |  |  |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Corporate debt securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 772 |  | 750 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Residential mortgage backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | 9 |  | 17 |
Ameriprise Financial [Member] | Recurring basis [Member] | Level 3 [Member] | Asset backed securities [Member] |  |  |  |  |
Assets |  |  |  |  |
Available-for-sale securities |  | $ 32 |  | $ 19 |
[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 fixed deferred indexed annuity and structured variable 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 $3.7 billion and $2.3 billion as of December 31, 2020 and 2019, respectively. See Note 16 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 $727 million cumulative decrease to the embedded derivatives as of December 31, 2020.
[6] | The Company’s adjustment for nonperformance risk resulted in a $502 million cumulative decrease to the embedded derivatives as of December 31, 2019.
[7] | The fair value of the GMWB and GMAB embedded derivatives included $2.4 billion of individual contracts in a liability position and $67 million of individual contracts in an asset position (recorded as a contra liability) as of December 31, 2020.
[8] | The fair value of the GMWB and GMAB embedded derivatives included $981 million of individual contracts in a liability position and $218 million of individual contracts in an asset position (recorded as a contra liability) as of December 31, 2019.

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