Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Line Items]

Rent Expense for Operating Leases

Rent expense for the years ended December 31 for operating leases was as follows:

	2017		2016		2015
PPL	$	45	$	50	$	49
LKE	26		26		24
LG&E	15		15		12
KU	11		11		11

Future Minimum Rental Payments for All Operating Leases

Total future minimum rental payments for all operating leases are estimated to be:

	PPL		LKE		LG&E		KU
2018	$	32	$	26	$	15	$	10
2019	19		16		8		8
2020	13		11		5		6
2021	10		8		3		5
2022	8		6		2		4
Thereafter	22		15		6		8
Total	$	104	$	82	$	39	$	41

LG And E And KU Energy LLC [Member]

Leases [Line Items]

Rent Expense for Operating Leases

Rent expense for the years ended December 31 for operating leases was as follows:

	2017		2016		2015
PPL	$	45	$	50	$	49
LKE	26		26		24
LG&E	15		15		12
KU	11		11		11

Future Minimum Rental Payments for All Operating Leases

Total future minimum rental payments for all operating leases are estimated to be:

	PPL		LKE		LG&E		KU
2018	$	32	$	26	$	15	$	10
2019	19		16		8		8
2020	13		11		5		6
2021	10		8		3		5
2022	8		6		2		4
Thereafter	22		15		6		8
Total	$	104	$	82	$	39	$	41

Louisville Gas And Electric Co [Member]

Leases [Line Items]

Rent Expense for Operating Leases

Rent expense for the years ended December 31 for operating leases was as follows:

	2017		2016		2015
PPL	$	45	$	50	$	49
LKE	26		26		24
LG&E	15		15		12
KU	11		11		11

Future Minimum Rental Payments for All Operating Leases

Total future minimum rental payments for all operating leases are estimated to be:

	PPL		LKE		LG&E		KU
2018	$	32	$	26	$	15	$	10
2019	19		16		8		8
2020	13		11		5		6
2021	10		8		3		5
2022	8		6		2		4
Thereafter	22		15		6		8
Total	$	104	$	82	$	39	$	41

Kentucky Utilities Co [Member]

Leases [Line Items]

Rent Expense for Operating Leases

Rent expense for the years ended December 31 for operating leases was as follows:

	2017		2016		2015
PPL	$	45	$	50	$	49
LKE	26		26		24
LG&E	15		15		12
KU	11		11		11

Future Minimum Rental Payments for All Operating Leases

Total future minimum rental payments for all operating leases are estimated to be:

	PPL		LKE		LG&E		KU
2018	$	32	$	26	$	15	$	10
2019	19		16		8		8
2020	13		11		5		6
2021	10		8		3		5
2022	8		6		2		4
Thereafter	22		15		6		8
Total	$	104	$	82	$	39	$	41