Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2023

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2023 and 2022, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
	December 31, 2022
	Trimble County Unit 1	75.00	%	$	455	$	94	$	1
	Trimble County Unit 2	75.00	%	1,372		276		148
LG&E
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—
	December 31, 2022
	E.W. Brown Units 6-7	38.00	%	$	53	$	25	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		27		—
	Trimble County Unit 1	75.00	%	455		94		1
	Trimble County Unit 2	14.25	%	384		66		78
	Trimble County Units 5-6	29.00	%	36		16		—
	Trimble County Units 7-10	37.00	%	81		36		—
	Cane Run Unit 7	22.00	%	126		21		2
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
KU
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—
	December 31, 2022
	E.W. Brown Units 6-7	62.00	%	$	87	$	42	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		23		—
	Trimble County Unit 2	60.75	%	987		210		70
	Trimble County Units 5-6	71.00	%	84		38		—
	Trimble County Units 7-10	63.00	%	133		61		—
	Cane Run Unit 7	78.00	%	446		77		6
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—

Louisville Gas And Electric Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2023 and 2022, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
	December 31, 2022
	Trimble County Unit 1	75.00	%	$	455	$	94	$	1
	Trimble County Unit 2	75.00	%	1,372		276		148
LG&E
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—
	December 31, 2022
	E.W. Brown Units 6-7	38.00	%	$	53	$	25	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		27		—
	Trimble County Unit 1	75.00	%	455		94		1
	Trimble County Unit 2	14.25	%	384		66		78
	Trimble County Units 5-6	29.00	%	36		16		—
	Trimble County Units 7-10	37.00	%	81		36		—
	Cane Run Unit 7	22.00	%	126		21		2
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
KU
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—
	December 31, 2022
	E.W. Brown Units 6-7	62.00	%	$	87	$	42	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		23		—
	Trimble County Unit 2	60.75	%	987		210		70
	Trimble County Units 5-6	71.00	%	84		38		—
	Trimble County Units 7-10	63.00	%	133		61		—
	Cane Run Unit 7	78.00	%	446		77		6
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—

Kentucky Utilities Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2023 and 2022, the Balance Sheets reflect the owned interests in the generating plants listed below.

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
PPL
	December 31, 2023
	Trimble County Unit 1	75.00	%	$	464	$	110	$	—
	Trimble County Unit 2	75.00	%	1,490		300		49

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
	December 31, 2022
	Trimble County Unit 1	75.00	%	$	455	$	94	$	1
	Trimble County Unit 2	75.00	%	1,372		276		148
LG&E
	December 31, 2023
	E.W. Brown Units 6-7	38.00	%	$	53	$	27	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	52		29		—
	Trimble County Unit 1	75.00	%	464		110		—
	Trimble County Unit 2	14.25	%	447		74		25
	Trimble County Units 5-6	29.00	%	37		17		—
	Trimble County Units 7-10	37.00	%	82		39		—
	Cane Run Unit 7	22.00	%	127		25		3
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
	Mercer Solar	37.00	%	7		—		—
	Mill Creek 5	31.00	%	—		—		2
	Brown Wind	36.00	%	—		—		—
	December 31, 2022
	E.W. Brown Units 6-7	38.00	%	$	53	$	25	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		27		—
	Trimble County Unit 1	75.00	%	455		94		1
	Trimble County Unit 2	14.25	%	384		66		78
	Trimble County Units 5-6	29.00	%	36		16		—
	Trimble County Units 7-10	37.00	%	81		36		—
	Cane Run Unit 7	22.00	%	126		21		2
	E.W. Brown Solar Unit	39.00	%	10		3		—
	Solar Share	44.00	%	3		—		—
KU
	December 31, 2023
	E.W. Brown Units 6-7	62.00	%	$	87	$	45	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	46		25		—
	Trimble County Unit 2	60.75	%	1,043		227		24
	Trimble County Units 5-6	71.00	%	86		41		—
	Trimble County Units 7-10	63.00	%	135		65		—
	Cane Run Unit 7	78.00	%	449		90		10
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—
	Mercer Solar	63.00	%	12		—		1
	Mill Creek 5	69.00	%	—		—		3
	Brown Wind	64.00	%	1		—		—
	December 31, 2022
	E.W. Brown Units 6-7	62.00	%	$	87	$	42	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		23		—
	Trimble County Unit 2	60.75	%	987		210		70
	Trimble County Units 5-6	71.00	%	84		38		—
	Trimble County Units 7-10	63.00	%	133		61		—
	Cane Run Unit 7	78.00	%	446		77		6
	E.W. Brown Solar Unit	61.00	%	16		5		—
	Solar Share	56.00	%	4		—		—