Receivables (Details) (USD $)
In Millions, unless otherwise specified

3 Months Ended

Mar. 31, 2013

Mar. 31, 2012

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

$ 0

Gain (Loss) on Sale of Accounts Receivable

^[1]

Servicing fees received (paid)

Fees paid to outside investor

(0.5)

Cash from customers (transferred) received

Cash received from (paid for) receivables purchased

Interest on intercompany note received (paid)

Kansas City Power and Light Company [Member]

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

Gain (Loss) on Sale of Accounts Receivable

^[1]

0.4

^[1]

Servicing fees received (paid)

Fees paid to outside investor

(0.3)

Cash from customers (transferred) received

Cash received from (paid for) receivables purchased

Interest on intercompany note received (paid)

Kansas City Power And Light Company Unconsolidated [Member]

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

(334.7)

(293.5)

Gain (Loss) on Sale of Accounts Receivable

(4.2)

^[1]

(3.7)

^[1]

Servicing fees received (paid)

0.6

0.5

Fees paid to outside investor

Cash from customers (transferred) received

(336.7)

(327.2)

Cash received from (paid for) receivables purchased

332.5

323.1

Interest on intercompany note received (paid)

0.1

KCPL Receivables Company [Member]

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

334.7

293.5

Gain (Loss) on Sale of Accounts Receivable

4.2

^[1]

4.1

^[1]

Servicing fees received (paid)

(0.6)

(0.5)

Fees paid to outside investor

(0.3)

Cash from customers (transferred) received

336.7

327.2

Cash received from (paid for) receivables purchased

(332.5)

(323.1)

Interest on intercompany note received (paid)

(0.1)

KCPL Greater Missouri Operations [Member]

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

(185.4)

Gain (Loss) on Sale of Accounts Receivable

(2.3)

^[1]

Servicing fees received (paid)

0.3

Fees paid to outside investor

Cash from customers (transferred) received

(184.9)

Cash received from (paid for) receivables purchased

182.6

Interest on intercompany note received (paid)

GMO Receivables Company Member

Accounts Receivable Sold [Line Items]

Receivables (sold) purchased

185.4

Gain (Loss) on Sale of Accounts Receivable

2.3

^[1]

Servicing fees received (paid)

(0.3)

Fees paid to outside investor

(0.2)

Cash from customers (transferred) received

184.9

Cash received from (paid for) receivables purchased

(182.6)

Interest on intercompany note received (paid)

$ 0

[1]	Any net gain (loss) is the result of the timing difference inherent in collecting receivables and over the life of the agreement will net to zero.

- Definition

All amounts that are due to the servicer of a financial asset, excluding contractually specified servicing fees and late fees.

+ References+ Details

KANSAS CITY POWER & LIGHT CO 10-Q