Defined Benefits (Tables)

9 Months Ended

Sep. 30, 2015

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 PPLand its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended September 30:

			Pension Benefits
			Three Months								Nine Months
			U.S.				U.K.				U.S.				U.K.
			2015		2014 (c)		2015		2014		2015 (b)		2014 (c)		2015		2014
PPL
Service cost			$	20	$	24	$	21	$	18	$	76	$	73	$	60	$	54
Interest cost				42		56		80		90		152		168		236		268
Expected return on plan assets				(56)		(72)		(133)		(133)		(201)		(216)		(393)		(395)
Amortization of:
		Prior service cost		1		5						5		15
		Actuarial (gain) loss		18		8		39		34		65		22		118		100
Net periodic defined benefit
	costs (credits) prior to
	termination benefits			25		21		7		9		97		62		21		27
Termination benefits (a)						(7)								13
Net periodic defined benefit
	costs (credits)		$	25	$	14	$	7	$	9	$	97	$	75	$	21	$	27

(a)The three and nine months endedSeptember 30, 2014 include termination benefits of$(2) million and $2 million for PPL Electric. The remaining $(5) million and $11 million relate to PPL Energy Supply and are reflected in discontinued operations.

(b)For the nine months ended September 30, 2015, the total net periodic defined benefit cost includes $18 million reflected in discontinued operations related to costs allocated from PPL's plans to PPL Energy Supply prior to the spinoff.

(c)For the three and nine months endedSeptember 30, 2014, the total net periodic defined benefit cost includes $1million and $29 million reflected in discontinued operations related to costs allocated from PPL's plans to PPL Energy Supply.

	Other Postretirement Benefits
	Three Months				Nine Months
	2015		2014		2015		2014
PPL
Service cost	$	2	$	3	$	9	$	9
Interest cost		6		7		20		23
Expected return on plan assets		(6)		(6)		(20)		(19)
Net periodic defined benefit costs (credits)	$	2	$	4	$	9	$	13

LKE
Service cost		$	1	$	1	$	4	$	3
Interest cost			2		2		7		7
Expected return on plan assets			(1)		(1)		(4)		(4)
Amortization of:
	Prior service cost		1		1		2		2
Net periodic defined benefit costs (credits)		$	3	$	3	$	9	$	8

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 Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2015		2014		2015		2014
PPL Electric (a)	$	8	$	3	$	24	$	18

LG&E	3	2	10	6
KU	4	2	13	6

(a)The three and nine months endedSeptember 30, 2014 include $(2) million and $2million of termination benefits for PPL Electric related to a one-time voluntary retirement window offered to certain bargaining unit employees.

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 PPLand its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended September 30:

		Pension Benefits
		Three Months				Nine Months
		2015		2014		2015		2014
LKE
Service cost		$	7	$	5	$	20	$	16
Interest cost			17		17		51		50
Expected return on plan assets			(22)		(21)		(66)		(62)
Amortization of:
	Prior service cost		1		1		5		3
	Actuarial (gain) loss		9		4		26		10
Net periodic defined benefit costs (credits)		$	12	$	6	$	36	$	17
LG&E
Service cost						$	1	$	1
Interest cost		$	3	$	4		10		11
Expected return on plan assets			(5)		(4)		(15)		(14)
Amortization of:
	Prior service cost		1		1		2		2
	Actuarial (gain) loss		3		1		9		4
Net periodic defined benefit costs (credits)		$	2	$	2	$	7	$	4

	Other Postretirement Benefits
	Three Months				Nine Months
	2015		2014		2015		2014
PPL
Service cost	$	2	$	3	$	9	$	9
Interest cost		6		7		20		23
Expected return on plan assets		(6)		(6)		(20)		(19)
Net periodic defined benefit costs (credits)	$	2	$	4	$	9	$	13

LKE
Service cost		$	1	$	1	$	4	$	3
Interest cost			2		2		7		7
Expected return on plan assets			(1)		(1)		(4)		(4)
Amortization of:
	Prior service cost		1		1		2		2
Net periodic defined benefit costs (credits)		$	3	$	3	$	9	$	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 PPLand its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended September 30:

		Pension Benefits
		Three Months				Nine Months
		2015		2014		2015		2014
LKE
Service cost		$	7	$	5	$	20	$	16
Interest cost			17		17		51		50
Expected return on plan assets			(22)		(21)		(66)		(62)
Amortization of:
	Prior service cost		1		1		5		3
	Actuarial (gain) loss		9		4		26		10
Net periodic defined benefit costs (credits)		$	12	$	6	$	36	$	17
LG&E
Service cost						$	1	$	1
Interest cost		$	3	$	4		10		11
Expected return on plan assets			(5)		(4)		(15)		(14)
Amortization of:
	Prior service cost		1		1		2		2
	Actuarial (gain) loss		3		1		9		4
Net periodic defined benefit costs (credits)		$	2	$	2	$	7	$	4

Allocation of Net Periodic Benefit Costs

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

	Three Months				Nine Months
	2015		2014		2015		2014
PPL Electric (a)	$	8	$	3	$	24	$	18

LG&E	3	2	10	6
KU	4	2	13	6

(a)The three and nine months endedSeptember 30, 2014 include $(2) million and $2million of termination benefits for PPL Electric related to a one-time voluntary retirement window offered to certain bargaining unit employees.

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 Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU.

	Three Months				Nine Months
	2015		2014		2015		2014
PPL Electric (a)	$	8	$	3	$	24	$	18

LG&E	3	2	10	6
KU	4	2	13	6

(a)The three and nine months endedSeptember 30, 2014 include $(2) million and $2million of termination benefits for PPL Electric related to a one-time voluntary retirement window offered to certain bargaining unit employees.