Defined Benefits (Tables)

9 Months Ended

Sep. 30, 2014

Defined Benefits [Line Items]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

Following are the net periodic defined benefit costs (credits) of the plans sponsored by PPL, PPL Energy Supply, LKE and LG&E for the periods ended September 30:

			Pension Benefits
			Three Months								Nine Months
			U.S.				U.K.				U.S.				U.K.
			2014		2013		2014		2013		2014		2013		2014		2013
PPL
Service cost			$	26	$	31	$	18	$	18	$	77	$	94	$	54	$	52
Interest cost				58		53		90		79		175		160		268		238
Expected return on plan assets				(75)		(73)		(133)		(115)		(224)		(220)		(395)		(346)
Amortization of:
		Prior service cost		5		6						15		17
		Actuarial (gain) loss		8		20		34		37		23		60		100		112
Net periodic defined benefit
	costs (credits) prior to
	termination benefits			22		37		9		19		66		111		27		56
Termination benefits (a)				(7)								13
Net periodic defined benefit
	costs (credits)		$	15	$	37	$	9	$	19	$	79	$	111	$	27	$	56

(a)See Note 10 for details of a one-time voluntary retirement window offered to certain bargaining unit employees.

		Other Postretirement Benefits
		Three Months				Nine Months
		2014		2013		2014		2013
PPL
Service cost		$	3	$	4	$	9	$	11
Interest cost			8		7		24		21
Expected return on plan assets			(6)		(6)		(19)		(18)
Amortization of:
	Actuarial (gain) loss				1				4
Net periodic defined benefit costs (credits)		$	5	$	6	$	14	$	18

LKE
Service cost		$	1	$	2	$	3	$	4
Interest cost			2		2		7		6
Expected return on plan assets			(1)		(2)		(4)		(4)
Amortization of:
	Prior service cost		1		1		2		2
Net periodic defined benefit costs (credits)		$	3	$	3	$	8	$	8

PPL Energy Supply LLC [Member]

Defined Benefits [Line Items]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

Following are the net periodic defined benefit costs (credits) of the plans sponsored by PPL, PPL Energy Supply, LKE and LG&E for the periods ended September 30:

(a)See Note 10 for details of a one-time voluntary retirement window offered to certain bargaining unit employees.

		Pension Benefits
		Three Months				Nine Months
		2014		2013		2014		2013
PPL Energy Supply
Service cost		$	1	$	1	$	4	$	5
Interest cost			3		2		7		6
Expected return on plan assets			(3)		(2)		(8)		(7)
Amortization of:
	Actuarial (gain) loss				1		1		2
Net periodic defined benefit costs (credits)		$	1	$	2	$	4	$	6

LKE
Service cost		$	5	$	6	$	16	$	19
Interest cost			17		16		50		47
Expected return on plan assets			(21)		(20)		(62)		(61)
Amortization of:
	Prior service cost		1		1		3		3
	Actuarial (gain) loss		4		8		10		25
Net periodic defined benefit costs (credits)		$	6	$	11	$	17	$	33
LG&E
Service cost				$	1	$	1	$	2
Interest cost		$	4		3		11		10
Expected return on plan assets			(4)		(5)		(14)		(15)
Amortization of:
	Prior service cost		1		1		2		2
	Actuarial (gain) loss		1		3		4		10
Net periodic defined benefit costs (credits)		$	2	$	3	$	4	$	9

Allocation of Net Periodic Benefit Costs

For the periods ended September 30, PPL Services allocated the following net periodic defined benefit costs to PPL Energy Supply subsidiaries and PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2014		2013		2014		2013
PPL Energy Supply (a)	$	2	$	11	$	32	$	34
PPL Electric (a)		3		9		18		27

LG&E	2	3	6	9
KU	2	4	6	13

(a)For PPL Energy Supply and PPL Electric,the three months ended September 30, 2014 include $(5) million and $(2) million and the nine months ended September 30, 2014 include $11 million and $2million of termination benefits related to a one-time voluntary retirement window offered to certain bargaining unit employees. See Note 10 for additional information.

PPL Electric Utilities Corp [Member]

Defined Benefits [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended September 30, PPL Services allocated the following net periodic defined benefit costs to PPL Energy Supply subsidiaries and PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2014		2013		2014		2013
PPL Energy Supply (a)	$	2	$	11	$	32	$	34
PPL Electric (a)		3		9		18		27

LG&E	2	3	6	9
KU	2	4	6	13

(a)For PPL Energy Supply and PPL Electric,the three months ended September 30, 2014 include $(5) million and $(2) million and the nine months ended September 30, 2014 include $11 million and $2million of termination benefits related to a one-time voluntary retirement window offered to certain bargaining unit employees. See Note 10 for additional information.

LG And E And KU Energy LLC [Member]

Defined Benefits [Line Items]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

Following are the net periodic defined benefit costs (credits) of the plans sponsored by PPL, PPL Energy Supply, LKE and LG&E for the periods ended September 30:

		Pension Benefits
		Three Months				Nine Months
		2014		2013		2014		2013
PPL Energy Supply
Service cost		$	1	$	1	$	4	$	5
Interest cost			3		2		7		6
Expected return on plan assets			(3)		(2)		(8)		(7)
Amortization of:
	Actuarial (gain) loss				1		1		2
Net periodic defined benefit costs (credits)		$	1	$	2	$	4	$	6

LKE
Service cost		$	5	$	6	$	16	$	19
Interest cost			17		16		50		47
Expected return on plan assets			(21)		(20)		(62)		(61)
Amortization of:
	Prior service cost		1		1		3		3
	Actuarial (gain) loss		4		8		10		25
Net periodic defined benefit costs (credits)		$	6	$	11	$	17	$	33
LG&E
Service cost				$	1	$	1	$	2
Interest cost		$	4		3		11		10
Expected return on plan assets			(4)		(5)		(14)		(15)
Amortization of:
	Prior service cost		1		1		2		2
	Actuarial (gain) loss		1		3		4		10
Net periodic defined benefit costs (credits)		$	2	$	3	$	4	$	9

		Other Postretirement Benefits
		Three Months				Nine Months
		2014		2013		2014		2013
PPL
Service cost		$	3	$	4	$	9	$	11
Interest cost			8		7		24		21
Expected return on plan assets			(6)		(6)		(19)		(18)
Amortization of:
	Actuarial (gain) loss				1				4
Net periodic defined benefit costs (credits)		$	5	$	6	$	14	$	18

LKE
Service cost		$	1	$	2	$	3	$	4
Interest cost			2		2		7		6
Expected return on plan assets			(1)		(2)		(4)		(4)
Amortization of:
	Prior service cost		1		1		2		2
Net periodic defined benefit costs (credits)		$	3	$	3	$	8	$	8

Louisville Gas And Electric Co [Member]

Defined Benefits [Line Items]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

Following are the net periodic defined benefit costs (credits) of the plans sponsored by PPL, PPL Energy Supply, LKE and LG&E for the periods ended September 30:

		Pension Benefits
		Three Months				Nine Months
		2014		2013		2014		2013
PPL Energy Supply
Service cost		$	1	$	1	$	4	$	5
Interest cost			3		2		7		6
Expected return on plan assets			(3)		(2)		(8)		(7)
Amortization of:
	Actuarial (gain) loss				1		1		2
Net periodic defined benefit costs (credits)		$	1	$	2	$	4	$	6

LKE
Service cost		$	5	$	6	$	16	$	19
Interest cost			17		16		50		47
Expected return on plan assets			(21)		(20)		(62)		(61)
Amortization of:
	Prior service cost		1		1		3		3
	Actuarial (gain) loss		4		8		10		25
Net periodic defined benefit costs (credits)		$	6	$	11	$	17	$	33
LG&E
Service cost				$	1	$	1	$	2
Interest cost		$	4		3		11		10
Expected return on plan assets			(4)		(5)		(14)		(15)
Amortization of:
	Prior service cost		1		1		2		2
	Actuarial (gain) loss		1		3		4		10
Net periodic defined benefit costs (credits)		$	2	$	3	$	4	$	9

Allocation of Net Periodic Benefit Costs

For the periods ended September 30, PPL Services allocated the following net periodic defined benefit costs to PPL Energy Supply subsidiaries and PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2014		2013		2014		2013
PPL Energy Supply (a)	$	2	$	11	$	32	$	34
PPL Electric (a)		3		9		18		27

LG&E	2	3	6	9
KU	2	4	6	13

Kentucky Utilities Co [Member]

Defined Benefits [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended September 30, PPL Services allocated the following net periodic defined benefit costs to PPL Energy Supply subsidiaries and PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2014		2013		2014		2013
PPL Energy Supply (a)	$	2	$	11	$	32	$	34
PPL Electric (a)		3		9		18		27

LG&E	2	3	6	9
KU	2	4	6	13