Asset Retirement Obligations

3 Months Ended

Mar. 31, 2014

Asset Retirement Obligations [Line Items]

Asset Retirement Obligations

16. Asset Retirement Obligations
(All Registrants except PPL Electric)
The changes in the carrying amounts of AROs were as follows.
				PPL
		PPL		Energy Supply		LKE		LG&E		KU
Balance at December 31, 2013		$	705	$	404	$	252	$	74	$	178
	Accretion expense		11		8		3		1		2
	Changes in estimated cash flow or settlement date		4				4		1		3
	Effect of foreign currency exchange rates		1
	Obligations settled		(3)		(2)		(1)		(1)
Balance at March 31, 2014		$	718	$	410	$	258	$	75	$	183

Substantially all of the ARO balances are classified as noncurrent at March 31, 2014 and December 31, 2013.

(PPL and PPL Energy Supply)

The most significant ARO recorded by PPL Energy Supply relates to the decommissioning of the Susquehanna nuclear plant. Assets in the NDT funds are legally restricted for purposes of settling this ARO. See Notes 13 and 17 for additional information on these assets.

(PPL, LKE, LG&E and KU)

LG&E's and KU's accretion and depreciation expense are recorded as a regulatory asset, such that there is no net earnings impact.

PPL Energy Supply LLC [Member]

Asset Retirement Obligations [Line Items]

Asset Retirement Obligations

16. Asset Retirement Obligations
(All Registrants except PPL Electric)
The changes in the carrying amounts of AROs were as follows.
				PPL
		PPL		Energy Supply		LKE		LG&E		KU
Balance at December 31, 2013		$	705	$	404	$	252	$	74	$	178
	Accretion expense		11		8		3		1		2
	Changes in estimated cash flow or settlement date		4				4		1		3
	Effect of foreign currency exchange rates		1
	Obligations settled		(3)		(2)		(1)		(1)
Balance at March 31, 2014		$	718	$	410	$	258	$	75	$	183

Substantially all of the ARO balances are classified as noncurrent at March 31, 2014 and December 31, 2013.

(PPL and PPL Energy Supply)

The most significant ARO recorded by PPL Energy Supply relates to the decommissioning of the Susquehanna nuclear plant. Assets in the NDT funds are legally restricted for purposes of settling this ARO. See Notes 13 and 17 for additional information on these assets.

(PPL, LKE, LG&E and KU)

LG&E's and KU's accretion and depreciation expense are recorded as a regulatory asset, such that there is no net earnings impact.

LG And E And KU Energy LLC [Member]

Asset Retirement Obligations [Line Items]

Asset Retirement Obligations

16. Asset Retirement Obligations
(All Registrants except PPL Electric)
The changes in the carrying amounts of AROs were as follows.
				PPL
		PPL		Energy Supply		LKE		LG&E		KU
Balance at December 31, 2013		$	705	$	404	$	252	$	74	$	178
	Accretion expense		11		8		3		1		2
	Changes in estimated cash flow or settlement date		4				4		1		3
	Effect of foreign currency exchange rates		1
	Obligations settled		(3)		(2)		(1)		(1)
Balance at March 31, 2014		$	718	$	410	$	258	$	75	$	183

Substantially all of the ARO balances are classified as noncurrent at March 31, 2014 and December 31, 2013.

(PPL and PPL Energy Supply)

The most significant ARO recorded by PPL Energy Supply relates to the decommissioning of the Susquehanna nuclear plant. Assets in the NDT funds are legally restricted for purposes of settling this ARO. See Notes 13 and 17 for additional information on these assets.

(PPL, LKE, LG&E and KU)

LG&E's and KU's accretion and depreciation expense are recorded as a regulatory asset, such that there is no net earnings impact.

Louisville Gas And Electric Co [Member]

Asset Retirement Obligations [Line Items]

Asset Retirement Obligations

16. Asset Retirement Obligations
(All Registrants except PPL Electric)
The changes in the carrying amounts of AROs were as follows.
				PPL
		PPL		Energy Supply		LKE		LG&E		KU
Balance at December 31, 2013		$	705	$	404	$	252	$	74	$	178
	Accretion expense		11		8		3		1		2
	Changes in estimated cash flow or settlement date		4				4		1		3
	Effect of foreign currency exchange rates		1
	Obligations settled		(3)		(2)		(1)		(1)
Balance at March 31, 2014		$	718	$	410	$	258	$	75	$	183

Substantially all of the ARO balances are classified as noncurrent at March 31, 2014 and December 31, 2013.

(PPL and PPL Energy Supply)

The most significant ARO recorded by PPL Energy Supply relates to the decommissioning of the Susquehanna nuclear plant. Assets in the NDT funds are legally restricted for purposes of settling this ARO. See Notes 13 and 17 for additional information on these assets.

(PPL, LKE, LG&E and KU)

LG&E's and KU's accretion and depreciation expense are recorded as a regulatory asset, such that there is no net earnings impact.

Kentucky Utilities Co [Member]

Asset Retirement Obligations [Line Items]

Asset Retirement Obligations

16. Asset Retirement Obligations
(All Registrants except PPL Electric)
The changes in the carrying amounts of AROs were as follows.
				PPL
		PPL		Energy Supply		LKE		LG&E		KU
Balance at December 31, 2013		$	705	$	404	$	252	$	74	$	178
	Accretion expense		11		8		3		1		2
	Changes in estimated cash flow or settlement date		4				4		1		3
	Effect of foreign currency exchange rates		1
	Obligations settled		(3)		(2)		(1)		(1)
Balance at March 31, 2014		$	718	$	410	$	258	$	75	$	183

Substantially all of the ARO balances are classified as noncurrent at March 31, 2014 and December 31, 2013.

(PPL and PPL Energy Supply)

The most significant ARO recorded by PPL Energy Supply relates to the decommissioning of the Susquehanna nuclear plant. Assets in the NDT funds are legally restricted for purposes of settling this ARO. See Notes 13 and 17 for additional information on these assets.

(PPL, LKE, LG&E and KU)

LG&E's and KU's accretion and depreciation expense are recorded as a regulatory asset, such that there is no net earnings impact.