XML 161 R45.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Reinsurance (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Reinsurance Disclosures [Abstract] |
Schedule of effect of reinsurance on premiums - traditional long-duration products[Table Text Block] | The effect of reinsurance on premiums for the Company’s traditional long-duration contracts was as follows:
| Years Ended December 31,
2019 |  | 2018 |  | 2017
(in millions)
Direct premiums | $ | 621 |  |  | $ | 621 |  |  | $ | 637 |
Reinsurance ceded | (224 | ) |  | (225 | ) |  | (227 | )
Net premiums | $ | 397 |  |  | $ | 396 |  |  | $ | 410 |
Schedule of effect of reinsurance on premiums - short-duration products [Table Text Block] | The effect of reinsurance on premiums for the Company’s short-duration contracts was as follows:
| Years Ended December 31,
2019(1) |  | 2018 |  | 2017
(in millions)
Written premiums |  |  |  |  |
Direct | $ | 864 |  |  | $ | 1,101 |  |  | $ | 1,119 |
Ceded | (23 | ) |  | (55 | ) |  | (171 | )
Total net written premiums | $ | 841 |  |  | $ | 1,046 |  |  | $ | 948 |
Earned premiums |  |  |  |  |
Direct | $ | 841 |  |  | $ | 1,124 |  |  | $ | 1,107 |
Ceded | (24 | ) |  | (94 | ) |  | (123 | )
Total net earned premiums | $ | 817 |  |  | $ | 1,030 |  |  | $ | 984 |
(1) 2019 amounts include AAH premiums as of September 30, 2019 prior to the sale.

X
- Definition Effects of Reinsurance on Property and Casualty Premiums Written and Earned [Table Text Block] + References No definition available. + Details
Name: | amp_EffectsofReinsuranceonPropertyandCasualtyPremiumsWrittenandEarnedTableTextBlock
Namespace Prefix: | amp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_EffectsOfReinsuranceTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReinsuranceDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration