Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2017

PPL Electric Utilities Corp [Member]

Related Party Transactions [Line Items]

Intercompany Support Cost Allocations

PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.

	Three Months				Nine Months
	2017		2016		2017		2016
PPL Electric from PPL Services	$	43	$	33	$	138	$	98
LKE from PPL Services	4		4		15		13
PPL Electric from PPL EU Services	15		17		48		50
LG&E from LKS	38		40		120		128
KU from LKS	43		46		134		151

LG And E And KU Energy LLC [Member]

Related Party Transactions [Line Items]

Intercompany Support Cost Allocations

PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.

	Three Months				Nine Months
	2017		2016		2017		2016
PPL Electric from PPL Services	$	43	$	33	$	138	$	98
LKE from PPL Services	4		4		15		13
PPL Electric from PPL EU Services	15		17		48		50
LG&E from LKS	38		40		120		128
KU from LKS	43		46		134		151

Louisville Gas And Electric Co [Member]

Related Party Transactions [Line Items]

Intercompany Support Cost Allocations

PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.

	Three Months				Nine Months
	2017		2016		2017		2016
PPL Electric from PPL Services	$	43	$	33	$	138	$	98
LKE from PPL Services	4		4		15		13
PPL Electric from PPL EU Services	15		17		48		50
LG&E from LKS	38		40		120		128
KU from LKS	43		46		134		151

Kentucky Utilities Co [Member]

Related Party Transactions [Line Items]

Intercompany Support Cost Allocations

PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.

	Three Months				Nine Months
	2017		2016		2017		2016
PPL Electric from PPL Services	$	43	$	33	$	138	$	98
LKE from PPL Services	4		4		15		13
PPL Electric from PPL EU Services	15		17		48		50
LG&E from LKS	38		40		120		128
KU from LKS	43		46		134		151