Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contracts with Customers [Line Items]

Disaggregation of Revenue [Table Text Block]

The following tables show revenues from contracts with customers disaggregated by customer class for the periods ended March 31.

	Three Months
	Residential		Commercial		Industrial		Other (a)		Wholesale - municipality		Wholesale - other (b)		Transmission		Revenues from Contracts with Customers
PPL
2024
PA Regulated	$	426	$	106	$	12	$	13	$	—	$	—	$	205	$	762
KY Regulated	443		267		161		97		6		15		—		989
RI Regulated	261		78		4		161		—		—		47		551
Corp and Other	—		—		—		1		—		—		—		1
Total PPL	$	1,130	$	451	$	177	$	272	$	6	$	15	$	252	$	2,303
2023
PA Regulated	$	537	$	128	$	20	$	13	$	—	$	—	$	192	$	890
KY Regulated	443		274		164		60		7		11		—		959
RI Regulated	229		101		9		215		—		—		45		599
Corp and Other	—		—		—		(1)		—		—		—		(1)
Total PPL	$	1,209	$	503	$	193	$	287	$	7	$	11	$	237	$	2,447

	Three Months
	Residential		Commercial		Industrial		Other (a)		Wholesale - municipality		Wholesale - other (b)		Transmission		Revenues from Contracts with Customers
PPL Electric
2024	$	426	$	106	$	12	$	13	$	—	$	—	$	205	$	762
2023	$	537	$	128	$	20	$	13	$	—	$	—	$	192	$	890
LG&E
2024	$	218	$	138	$	47	$	52	$	—	$	22	$	—	$	477
2023	$	241	$	152	$	49	$	16	$	—	$	16	$	—	$	474
KU
2024	$	225	$	129	$	114	$	46	$	6	$	9	$	—	$	529
2023	$	202	$	123	$	115	$	44	$	7	$	7	$	—	$	498

(a)Primarily includes revenues from pole attachments, street lighting, other public authorities and other non-core businesses. The Rhode Island Regulated segment primarily includes open access tariff revenues, which are calculated on combined customer classes.

(b)Includes wholesale power and transmission revenues. LG&E and KU amounts include intercompany power sales and transmission revenues, which are eliminated upon consolidation at the Kentucky Regulated segment.

Credit Loss Recognized from Contracts with Customers [Table Text Block]

The following table shows the accounts receivable and unbilled revenues balances that were impaired for the periods ended March 31.

	Three Months
	2024		2023
PPL (a)	$	42	$	21
PPL Electric (a)	28		10
LG&E	1		1
KU	1		—

(a)    2024 includes amounts impaired related to PPL Electric's billing issues. See Note 6 for additional information.

Contract with Customer, Asset and Liability [Table Text Block]

The following table shows the balances and certain activity of contract liabilities resulting from contracts with customers.

	PPL		PPL Electric		LG&E		KU
Contract liabilities at December 31, 2023	$	43	$	29	$	6	$	7
Contract liabilities at March 31, 2024	30		20		5		5
Revenue recognized during the three months ended March 31, 2024 that was included in the contract liability balance at December 31, 2023	25		11		6		7
Contract liabilities at December 31, 2022	$	34	$	23	$	5	$	6
Contract liabilities at March 31, 2023	46		35		5		5
Revenue recognized during the three months ended March 31, 2023 that was included in the contract liability balance at December 31, 2022	17		6		5		6