Related Party Transactions and Relationships (Tables)

3 Months Ended

Mar. 31, 2014

Related Party Transactions [Abstract]

Schedule of related party receivables and payables [Table Text Block]

The following table summarizes KCP&L's related party net receivables.

	March 31 2014			December 31 2013
		(millions)
Net receivable from GMO		$	18.7		$	32.7
Net receivable from Great Plains Energy		19.9			17.5