Regulatory Requirements (Table) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
RiverSource Life [Member]
Statutory Accounting Practices [Line Items]
Statutory net gain from operations	$ 1,686	$ 958	$ 834
Statutory net income (loss)	1,628	222	322
IDS Property Casualty [Member]
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	$ 9	$ (10)	$ (8)

Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators.

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(a)(23)(c))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Name:	us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration