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Common Equity (Tables)

6 Months Ended

Jun. 30, 2017

Stockholders' Equity Note [Abstract]

Common Share Activity

A summary of Alliant Energy’s common stock activity was as follows:

Shares outstanding, January 1, 2017	227,673,654
At-the-market offering program	3,074,931
Shareowner Direct Plan issuances	354,494
Equity-based compensation plans (Note 9(b))	5,185
Other	(45,847	)
Shares outstanding, June 30, 2017	231,062,417

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- Definition

Tabular disclosure of an entity's capital units or capital shares, including the value of capital units or capital shares, units authorized, units outstanding and other information necessary to a fair presentation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.16)
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

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- References

No definition available.

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