Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of computations of basic and diluted earnings per share [Table Text Block]

The computations of basic and diluted earnings per share is as follows:

	Three Months Ended March 31,
	2021		2020
	(in millions, except per share amounts)
Numerator:
Net income	$	437	$	2,036
Denominator:
Basic: Weighted-average common shares outstanding	119.8		126.4
Effect of potentially dilutive nonqualified stock options and other share-based awards	2.4		1.8
Diluted: Weighted-average common shares outstanding	122.2		128.2
Earnings per share:
Basic	$	3.65	$	16.11
Diluted	$	3.58	$	15.88