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Investments (EITF info) (Details 5) - Ameriprise Financial [Member] $ in Millions | Mar. 31, 2019 USD ($) Positions | Dec. 31, 2018 USD ($) Positions
--- | --- | ---
Number of securities |  |
Less than 12 months | Positions | 192 | 727
12 months or more | Positions | 578 | 584
Total | Positions | 770 | 1,311
Fair Value |  |
Less than 12 months | $ 2,734 | $ 10,445
12 months or more | 7,487 | 6,322
Total | 10,221 | 16,767
Unrealized losses |  |
Less than 12 months | (22) | (214)
12 months or more | (137) | (243)
Total | $ (159) | $ (457)
Corporate debt securities [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 65 | 345
12 months or more | Positions | 181 | 148
Total | Positions | 246 | 493
Fair Value |  |
Less than 12 months | $ 568 | $ 5,522
12 months or more | 2,438 | 1,717
Total | 3,006 | 7,239
Unrealized losses |  |
Less than 12 months | (12) | (152)
12 months or more | (48) | (78)
Total | $ (60) | $ (230)
Residential mortgage backed securities [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 73 | 142
12 months or more | Positions | 194 | 175
Total | Positions | 267 | 317
Fair Value |  |
Less than 12 months | $ 905 | $ 2,029
12 months or more | 2,415 | 2,132
Total | 3,320 | 4,161
Unrealized losses |  |
Less than 12 months | (4) | (18)
12 months or more | (39) | (60)
Total | $ (43) | $ (78)
Commercial mortgage backed securities [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 33 | 104
12 months or more | Positions | 118 | 112
Total | Positions | 151 | 216
Fair Value |  |
Less than 12 months | $ 924 | $ 2,062
12 months or more | 2,001 | 1,806
Total | 2,925 | 3,868
Unrealized losses |  |
Less than 12 months | (3) | (30)
12 months or more | (38) | (86)
Total | $ (41) | $ (116)
Asset backed securities [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 18 | 38
12 months or more | Positions | 36 | 35
Total | Positions | 54 | 73
Fair Value |  |
Less than 12 months | $ 294 | $ 491
12 months or more | 433 | 396
Total | 727 | 887
Unrealized losses |  |
Less than 12 months | (2) | (6)
12 months or more | (2) | (5)
Total | $ (4) | $ (11)
State and municipal obligations [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 1 | 81
12 months or more | Positions | 27 | 100
Total | Positions | 28 | 181
Fair Value |  |
Less than 12 months | $ 40 | $ 255
12 months or more | 152 | 254
Total | 192 | 509
Unrealized losses |  |
Less than 12 months | (1) | (4)
12 months or more | (4) | (9)
Total | $ (5) | $ (13)
Foreign government bonds and obligations [Member] |  |
Number of securities |  |
Less than 12 months | Positions | 2 | 17
12 months or more | Positions | 22 | 14
Total | Positions | 24 | 31
Fair Value |  |
Less than 12 months | $ 3 | $ 86
12 months or more | 48 | 17
Total | 51 | 103
Unrealized losses |  |
Less than 12 months | 0 | (4)
12 months or more | (6) | (5)
Total | $ (6) | $ (9)

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