Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2013

Supplemental Cash Flow Elements [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

2. SUPPLEMENTAL CASH FLOW INFORMATION

Great Plains Energy Other Operating Activities
Year Ended December 31	2013			2012			2011
Cash flows affected by changes in:	(millions)
Receivables	$	(7.1	)	$	76.8		$	3.6
Accounts receivable pledged as collateral	(1.0		)	(79.0		)	—
Fuel inventories	18.7			(6.1		)	(3.9		)
Materials and supplies	(1.0		)	(11.0		)	(7.5		)
Accounts payable	26.4			57.3			5.7
Accrued taxes	2.2			(7.8		)	1.4
Accrued interest	3.9			(35.2		)	1.5
Deferred refueling outage costs	(17.6		)	15.6			(17.9		)
Pension and post-retirement benefit obligations	31.3			14.4			(56.0		)
Allowance for equity funds used during construction	(14.1		)	(1.3		)	(1.0		)
Interest rate hedge settlements	—			—			(26.1		)
Fuel recovery mechanism	(1.3		)	22.5			(1.7		)
Uncertain tax positions	(0.8		)	(4.7		)	(20.8		)
Other	(15.5		)	(29.8		)	(24.8		)
Total other operating activities	$	24.1		$	11.7		$	(147.5	)
Cash paid during the period:
Interest	$	170.8		$	247.9		$	254.4
Income taxes	$	—		$	3.3		$	2.8
Non-cash investing activities:
Liabilities accrued for capital expenditures	$	48.1		$	57.5		$	39.7

KCP&L Other Operating Activities
Year Ended December 31	2013			2012			2011
Cash flows affected by changes in:	(millions)
Receivables	$	(12.6	)	$	8.8		$	(20.2	)
Accounts receivable pledged as collateral	—			(15.0		)	—
Fuel inventories	13.3			(4.6		)	(14.1		)
Materials and supplies	1.1			(9.0		)	(6.7		)
Accounts payable	7.3			48.3			11.0
Accrued taxes	(3.7		)	(2.0		)	2.7
Accrued interest	1.4			(2.3		)	3.8
Deferred refueling outage costs	(17.6		)	15.6			(17.9		)
Pension and post-retirement benefit obligations	35.7			18.0			(45.6		)
Allowance for equity funds used during construction	(14.1		)	(1.3		)	(0.7		)
Fuel recovery mechanism	(1.8		)	5.1			(5.8		)
Uncertain tax positions	(10.5		)	1.8			(10.4		)
Other	(7.7		)	(35.5		)	(14.4		)
Total other operating activities	$	(9.2	)	$	27.9		$	(118.3	)
Cash paid during the period:
Interest	$	111.7		$	118.0		$	111.3
Income taxes	$	4.6		$	18.0		$	0.1
Non-cash investing activities:
Liabilities accrued for capital expenditures	$	40.5		$	48.4		$	32.0