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Investments (Holdings info) (Details) - Ameriprise Financial [Member] - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
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Investments | $ 35,725 | $ 35,825
Available-for-sale securities [Member] |  |
Investments | 30,967 | 31,058
Mortgage loans, net [Member] |  |
Investments | 2,704 | 2,696
Policy and certificate loans [Member] |  |
Investments | 864 | 861
Other investments [Member] |  |
Investments | $ 1,190 | $ 1,210

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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(h)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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