Fair Values of Assets and Liabilities (Summary of Changes in Level 3 Assets) (Details 3) (USD $) In Millions, unless otherwise specified	6 Months Ended			12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended		12 Months Ended		6 Months Ended		12 Months Ended		6 Months Ended		12 Months Ended		6 Months Ended		12 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2014 Macro hedge program [Member] Option Pricing Model Technique [Member] Ameriprise Financial		Jun. 30, 2014 Corporate debt securities (private placements) Maximum Discounted Cash Flow Technique [Member] Ameriprise Financial	Dec. 31, 2013 Corporate debt securities (private placements) Maximum Discounted Cash Flow Technique [Member] Ameriprise Financial	Jun. 30, 2014 Corporate debt securities (private placements) Minimum Discounted Cash Flow Technique [Member] Ameriprise Financial	Dec. 31, 2013 Corporate debt securities (private placements) Minimum Discounted Cash Flow Technique [Member] Ameriprise Financial	Jun. 30, 2014 Corporate debt securities (private placements) Weighted Average Discounted Cash Flow Technique [Member] Ameriprise Financial	Dec. 31, 2013 Corporate debt securities (private placements) Weighted Average Discounted Cash Flow Technique [Member] Ameriprise Financial	Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Discounted Cash Flow Technique [Member] Ameriprise Financial		Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Discounted Cash Flow Technique [Member] Ameriprise Financial		Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Maximum Discounted Cash Flow Technique [Member] Ameriprise Financial		Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Maximum Discounted Cash Flow Technique [Member] Ameriprise Financial		Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Minimum Discounted Cash Flow Technique [Member] Ameriprise Financial		Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Minimum Discounted Cash Flow Technique [Member] Ameriprise Financial		Jun. 30, 2014 IUL embedded derivatives Discounted Cash Flow Technique [Member] Ameriprise Financial		Dec. 31, 2013 IUL embedded derivatives Discounted Cash Flow Technique [Member] Ameriprise Financial		Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Discounted Cash Flow Technique [Member]	Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Discounted Cash Flow Technique [Member]	Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Maximum Discounted Cash Flow Technique [Member]		Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Minimum Discounted Cash Flow Technique [Member]		Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Minimum Discounted Cash Flow Technique [Member]		Jun. 30, 2014 IUL embedded derivatives Discounted Cash Flow Technique [Member]	Dec. 31, 2013 IUL embedded derivatives Discounted Cash Flow Technique [Member]	Jun. 30, 2014 Other Contract [Member] Ameriprise Financial	Mar. 31, 2014 Other Contract [Member] Ameriprise Financial	Jun. 30, 2014 Other Contract [Member] Option Pricing Model Technique [Member]	Jun. 30, 2014 Corporate debt securities Discounted Cash Flow Technique [Member]	Dec. 31, 2013 Corporate debt securities Discounted Cash Flow Technique [Member]	Jun. 30, 2014 IUL embedded derivatives Ameriprise Financial	Mar. 31, 2014 IUL embedded derivatives Ameriprise Financial	Dec. 31, 2013 IUL embedded derivatives Ameriprise Financial	Jun. 30, 2013 IUL embedded derivatives Ameriprise Financial	Mar. 31, 2013 IUL embedded derivatives Ameriprise Financial	Dec. 31, 2012 IUL embedded derivatives Ameriprise Financial	Jun. 30, 2014 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Mar. 31, 2014 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Dec. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Jun. 30, 2013 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Mar. 31, 2013 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Dec. 31, 2012 GMWB and GMAB Embedded Derivatives [Member] Ameriprise Financial	Jun. 30, 2014 Recurring Estimate of Fair Value Measurement [Member] Ameriprise Financial	Dec. 31, 2013 Recurring Estimate of Fair Value Measurement [Member] Ameriprise Financial
Summary of the significant unobservable inputs
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value																																			$ (1)	$ 0				$ 184	$ 154	$ 125	$ 76	$ 61	$ 45	$ (347)	$ (471)	$ (575)	$ 11	$ 266	$ 833
Fair value																																	184				1	1,519	1,589													119,662	116,841
Fair value																									$ (347)	$ (575)								$ 125																		$ 4,133	$ 4,382
Yield/spread to U.S. Treasuries (as a percent)			4.70%	5.30%	0.80%	0.90%	1.20%	1.50%
Fair Value Inputs Correlation	(40.00%)	[1]
Utilization of guaranteed withdrawals (as a percent)													51.10%	[2]	51.10%	[2]	0.00%	[2]	0.00%	[2]
Surrender Rate (as a percent)													57.90%		57.90%		0.10%		0.10%
Fair Value Assumptions, Expected Volatility Rate													17.20%	[3]	18.80%	[3]	4.60%	[3]	4.90%	[3]
Nonperformance risk (as a percent)									0.56%	[4]	0.74%	[4]									0.56%	[4]	0.74%	[4]
Fair Value Assumptions, Elective Contractholder Strategy Allocations																											50.00%	[5]	0.00%	[5]	0.00%	[5]

[1] Represents the correlation between equity returns and interest rates used in the valuation of the derivative contract.

[2] The utilization of guaranteed withdrawals represents the percentage of contractholders that will begin withdrawing in any given year.

[3] Market volatility is implied volatility of fund of funds and managed volatility funds.

[4] The nonperformance risk is the spread added to the observable interest rates used in the valuation of the embedded derivatives.

[5] The elective allocation represents the percentage of contractholders that are assumed to electively switch their investment allocation to a different allocation model.