Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2018

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
	2018		2017		2018		2017
PPL Electric from PPL Services	$	14	$	43	$	45	$	138
LKE from PPL Services	5		4		19		15
PPL Electric from PPL EU Services	34		15		110		48
LG&E from LKS	36		38		113		120
KU from LKS	42		43		127		134

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
	2018		2017		2018		2017
PPL Electric from PPL Services	$	14	$	43	$	45	$	138
LKE from PPL Services	5		4		19		15
PPL Electric from PPL EU Services	34		15		110		48
LG&E from LKS	36		38		113		120
KU from LKS	42		43		127		134

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
	2018		2017		2018		2017
PPL Electric from PPL Services	$	14	$	43	$	45	$	138
LKE from PPL Services	5		4		19		15
PPL Electric from PPL EU Services	34		15		110		48
LG&E from LKS	36		38		113		120
KU from LKS	42		43		127		134

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
	2018		2017		2018		2017
PPL Electric from PPL Services	$	14	$	43	$	45	$	138
LKE from PPL Services	5		4		19		15
PPL Electric from PPL EU Services	34		15		110		48
LG&E from LKS	36		38		113		120
KU from LKS	42		43		127		134