Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2016

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

16. Asset Retirement Obligations
(PPL, LKE, LG&E and KU)
The changes in the carrying amounts of AROs were as follows.
		PPL		LKE		LG&E		KU
Balance at December 31, 2015		$	586	$	535	$	175	$	360
	Accretion		6		6		2		4
	Effect of foreign currency exchange rates		(4)
	Obligations settled		(1)		(1)		(1)
Balance at March 31, 2016		$	587	$	540	$	176	$	364

LG And E And KU Energy LLC [Member]

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

16. Asset Retirement Obligations
(PPL, LKE, LG&E and KU)
The changes in the carrying amounts of AROs were as follows.
		PPL		LKE		LG&E		KU
Balance at December 31, 2015		$	586	$	535	$	175	$	360
	Accretion		6		6		2		4
	Effect of foreign currency exchange rates		(4)
	Obligations settled		(1)		(1)		(1)
Balance at March 31, 2016		$	587	$	540	$	176	$	364

Louisville Gas And Electric Co [Member]

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

16. Asset Retirement Obligations
(PPL, LKE, LG&E and KU)
The changes in the carrying amounts of AROs were as follows.
		PPL		LKE		LG&E		KU
Balance at December 31, 2015		$	586	$	535	$	175	$	360
	Accretion		6		6		2		4
	Effect of foreign currency exchange rates		(4)
	Obligations settled		(1)		(1)		(1)
Balance at March 31, 2016		$	587	$	540	$	176	$	364

Kentucky Utilities Co [Member]

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

16. Asset Retirement Obligations
(PPL, LKE, LG&E and KU)
The changes in the carrying amounts of AROs were as follows.
		PPL		LKE		LG&E		KU
Balance at December 31, 2015		$	586	$	535	$	175	$	360
	Accretion		6		6		2		4
	Effect of foreign currency exchange rates		(4)
	Obligations settled		(1)		(1)		(1)
Balance at March 31, 2016		$	587	$	540	$	176	$	364