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Retirement Plans and Profit Sharing Arrangements (Defined Contribution Plan) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Defined Contribution Plan Disclosure [Line Items]      
Employer matching contribution, percent of employees' gross pay 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent    
Employer contribution requisite service period 60 days    
United States [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Defined contribution plan expense $ 37us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= country_US
$ 35us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= country_US
$ 36us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= country_US
Outside United States [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Defined contribution plan expense $ 6us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= amp_OutsideUnitedStatesMember
$ 5us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= amp_OutsideUnitedStatesMember
$ 5us-gaap_DefinedContributionPlanCostRecognized
/ us-gaap_StatementGeographicalAxis
= amp_OutsideUnitedStatesMember
Ameriprise Financial Inc 401(k) Plan [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Period of graded schedule for vesting of employer contributions 5 years