Defined Benefits (Tables)

3 Months Ended

Mar. 31, 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 PPL, and its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended March 31:

		Pension Benefits								Other Postretirement Benefits
		U.S.				U.K.
		2015		2014		2015		2014		2015		2014
PPL
Service cost		$	32	$	26	$	20	$	18	$	4	$	3
Interest cost			59		59		79		88		7		8
Expected return on plan assets			(79)		(74)		(131)		(130)		(7)		(6)
Amortization of:
	Prior service cost		2		5
	Actuarial (gain) loss		25		7		39		33
Net periodic defined benefit costs (credits)		$	39	$	23	$	7	$	9	$	4	$	5

LKE
Service cost		$	7	$	6	$	1	$	1
Interest cost			17		17		2		2
Expected return on plan assets			(22)		(20)		(1)		(1)
Amortization of:
	Prior service cost		2		1		1		1
	Actuarial (gain) loss		8		3
Net periodic defined benefit costs (credits)		$	12	$	7	$	3	$	3
LG&E
Interest cost		$	3	$	4
Expected return on plan assets			(5)		(5)
Amortization of:
	Prior service cost		1		1
	Actuarial (gain) loss		3		1
Net periodic defined benefit costs (credits)		$	2	$	1

PPL Electric Utilities Corp [Member]

Defined Benefits [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended March 31, 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
	2015		2014
PPL Electric	$	8	$	5

LG&E	3	2
KU	5	3

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, and its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended March 31:

		Pension Benefits								Other Postretirement Benefits
		U.S.				U.K.
		2015		2014		2015		2014		2015		2014
PPL
Service cost		$	32	$	26	$	20	$	18	$	4	$	3
Interest cost			59		59		79		88		7		8
Expected return on plan assets			(79)		(74)		(131)		(130)		(7)		(6)
Amortization of:
	Prior service cost		2		5
	Actuarial (gain) loss		25		7		39		33
Net periodic defined benefit costs (credits)		$	39	$	23	$	7	$	9	$	4	$	5

LKE
Service cost		$	7	$	6	$	1	$	1
Interest cost			17		17		2		2
Expected return on plan assets			(22)		(20)		(1)		(1)
Amortization of:
	Prior service cost		2		1		1		1
	Actuarial (gain) loss		8		3
Net periodic defined benefit costs (credits)		$	12	$	7	$	3	$	3
LG&E
Interest cost		$	3	$	4
Expected return on plan assets			(5)		(5)
Amortization of:
	Prior service cost		1		1
	Actuarial (gain) loss		3		1
Net periodic defined benefit costs (credits)		$	2	$	1

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, and its subsidiaries, LKE and its subsidiariesand LG&E for the periods ended March 31:

		Pension Benefits								Other Postretirement Benefits
		U.S.				U.K.
		2015		2014		2015		2014		2015		2014
PPL
Service cost		$	32	$	26	$	20	$	18	$	4	$	3
Interest cost			59		59		79		88		7		8
Expected return on plan assets			(79)		(74)		(131)		(130)		(7)		(6)
Amortization of:
	Prior service cost		2		5
	Actuarial (gain) loss		25		7		39		33
Net periodic defined benefit costs (credits)		$	39	$	23	$	7	$	9	$	4	$	5

LKE
Service cost		$	7	$	6	$	1	$	1
Interest cost			17		17		2		2
Expected return on plan assets			(22)		(20)		(1)		(1)
Amortization of:
	Prior service cost		2		1		1		1
	Actuarial (gain) loss		8		3
Net periodic defined benefit costs (credits)		$	12	$	7	$	3	$	3
LG&E
Interest cost		$	3	$	4
Expected return on plan assets			(5)		(5)
Amortization of:
	Prior service cost		1		1
	Actuarial (gain) loss		3		1
Net periodic defined benefit costs (credits)		$	2	$	1

Allocation of Net Periodic Benefit Costs

For the periods ended March 31, 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
	2015		2014
PPL Electric	$	8	$	5

LG&E	3	2
KU	5	3

Kentucky Utilities Co [Member]

Defined Benefits [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended March 31, 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
	2015		2014
PPL Electric	$	8	$	5

LG&E	3	2
KU	5	3