Investments

6 Months Ended

Jun. 30, 2021

Schedule of Equity Method Investments [Line Items]

Investments

INVESTMENTS

Unconsolidated Equity Investments - Alliant Energy’s equity (income) loss from unconsolidated investments accounted for under the equity method of accounting for the three and six months ended June 30 was as follows (in millions):

	Three Months		Six Months
	2021	2020	2021	2020
ATC Holdings	($11)	($14)	($22)	($25)
Other	(8)	(4)	(12)	(6)
	($19)	($18)	($34)	($31)