Fair Values of Assets and Liabilities (Level 3 rollforwards-Liabilities) (Details 3) - Ameriprise Financial [Member] - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
Transfers from Level 1 to Level 2, liabilities		$ 0	$ 0
Transfers from Level 2 to Level 1, liabilities		0	0
Net increase (decrease) to pretax income from embedded derivative liability		(45)	189
IUL embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		464	364
Total gains (losses) included in net income	[1]	19	(8)
Issues		22	32
Settlements		(12)	(6)
Balance, at the end of the period		493	382
Changes in unrealized (gains)/losses relating to liabilities held at end of period	[1]	19	(8)
GMWB and GMAB embedded derivatives [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		614	851
Total gains (losses) included in net income	[2]	(499)	602
Issues		77	68
Settlements		(4)	(6)
Balance, at the end of the period		188	1,515
Changes in unrealized (gains)/losses relating to liabilities held at end of period	[2]	(484)	616
Policyholder account balances, future policy benefits and claims [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		1,078	1,215
Total gains (losses) included in net income		(480)	594
Issues		99	100
Settlements		(16)	(12)
Balance, at the end of the period		681	1,897
Changes in unrealized (gains)/losses relating to liabilities held at end of period		(465)	$ 608
Contingent Consideration Liability [Member]
Summary of changes in Level 3 liabilities measured at fair value on a recurring basis [Rollforward]
Balance, at the beginning of the period		13
Balance, at the end of the period		$ 13

[1] Included in interest credited to fixed accounts in the Consolidated Statements of Operations.

[2] Included in benefits, claims, losses and settlement expenses in the Consolidated Statements of Operations.