Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Guarantees and Bond Indemnities Issued and Outstanding

The following table presents guarantees and bond indemnities issued and outstanding for Xcel Energy:

(Millions of Dollars)	March 31, 2018		Dec. 31, 2017
Guarantees issued and outstanding	$	18.6	$	18.8
Current exposure under these guarantees	—		—
Bonds with indemnity protection	51.7		53.1