Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2021

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2021 and 2020, 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, 2021
	Trimble County Unit 1	75.00	%	$	457	$	79	$	—
	Trimble County Unit 2	75.00	%	1,360		247		121
	December 31, 2020
	Trimble County Unit 1	75.00	%	$	440	$	64	$	2
	Trimble County Unit 2	75.00	%	1,340		227		106

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
LG&E
	December 31, 2021
	E.W. Brown Units 6-7	38.00	%	$	53	$	24	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		25		—
	Trimble County Unit 1	75.00	%	457		79		—
	Trimble County Unit 2	14.25	%	379		57		64
	Trimble County Units 5-6	29.00	%	36		15		—
	Trimble County Units 7-10	37.00	%	81		34		—
	Cane Run Unit 7	22.00	%	125		19		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
	December 31, 2020
	E.W. Brown Units 6-7	38.00	%	$	46	$	22	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		22		—
	Trimble County Unit 1	75.00	%	440		64		2
	Trimble County Unit 2	14.25	%	370		51		54
	Trimble County Units 5-6	29.00	%	33		14		1
	Trimble County Units 7-10	37.00	%	77		31		1
	Cane Run Unit 7	22.00	%	123		15		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
KU
	December 31, 2021
	E.W. Brown Units 6-7	62.00	%	$	88	$	40	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		22		—
	Trimble County Unit 2	60.75	%	981		190		57
	Trimble County Units 5-6	71.00	%	84		36		—
	Trimble County Units 7-10	63.00	%	133		57		—
	Cane Run Unit 7	78.00	%	444		70		—
	E.W. Brown Solar Unit	61.00	%	16		4		—
	Solar Share	56.00	%	3		—		—
	December 31, 2020
	E.W. Brown Units 6-7	62.00	%	$	76	$	37	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		20		—
	Trimble County Unit 2	60.75	%	970		176		52
	Trimble County Units 5-6	71.00	%	77		33		4
	Trimble County Units 7-10	63.00	%	129		53		2
	Cane Run Unit 7	78.00	%	443		57		2
	E.W. Brown Solar Unit	61.00	%	16		3		—
	Solar Share	56.00	%	2		—		—

Louisville Gas And Electric Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2021 and 2020, 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, 2021
	Trimble County Unit 1	75.00	%	$	457	$	79	$	—
	Trimble County Unit 2	75.00	%	1,360		247		121
	December 31, 2020
	Trimble County Unit 1	75.00	%	$	440	$	64	$	2
	Trimble County Unit 2	75.00	%	1,340		227		106

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
LG&E
	December 31, 2021
	E.W. Brown Units 6-7	38.00	%	$	53	$	24	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		25		—
	Trimble County Unit 1	75.00	%	457		79		—
	Trimble County Unit 2	14.25	%	379		57		64
	Trimble County Units 5-6	29.00	%	36		15		—
	Trimble County Units 7-10	37.00	%	81		34		—
	Cane Run Unit 7	22.00	%	125		19		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
	December 31, 2020
	E.W. Brown Units 6-7	38.00	%	$	46	$	22	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		22		—
	Trimble County Unit 1	75.00	%	440		64		2
	Trimble County Unit 2	14.25	%	370		51		54
	Trimble County Units 5-6	29.00	%	33		14		1
	Trimble County Units 7-10	37.00	%	77		31		1
	Cane Run Unit 7	22.00	%	123		15		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
KU
	December 31, 2021
	E.W. Brown Units 6-7	62.00	%	$	88	$	40	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		22		—
	Trimble County Unit 2	60.75	%	981		190		57
	Trimble County Units 5-6	71.00	%	84		36		—
	Trimble County Units 7-10	63.00	%	133		57		—
	Cane Run Unit 7	78.00	%	444		70		—
	E.W. Brown Solar Unit	61.00	%	16		4		—
	Solar Share	56.00	%	3		—		—
	December 31, 2020
	E.W. Brown Units 6-7	62.00	%	$	76	$	37	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		20		—
	Trimble County Unit 2	60.75	%	970		176		52
	Trimble County Units 5-6	71.00	%	77		33		4
	Trimble County Units 7-10	63.00	%	129		53		2
	Cane Run Unit 7	78.00	%	443		57		2
	E.W. Brown Solar Unit	61.00	%	16		3		—
	Solar Share	56.00	%	2		—		—

Kentucky Utilities Co [Member]

Jointly Owned Facilities [Line Items]

Jointly Owned Utility Facilities

At December 31, 2021 and 2020, 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, 2021
	Trimble County Unit 1	75.00	%	$	457	$	79	$	—
	Trimble County Unit 2	75.00	%	1,360		247		121
	December 31, 2020
	Trimble County Unit 1	75.00	%	$	440	$	64	$	2
	Trimble County Unit 2	75.00	%	1,340		227		106

		Ownership Interest		Electric Plant		Accumulated Depreciation		Construction Work in Progress
LG&E
	December 31, 2021
	E.W. Brown Units 6-7	38.00	%	$	53	$	24	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		25		—
	Trimble County Unit 1	75.00	%	457		79		—
	Trimble County Unit 2	14.25	%	379		57		64
	Trimble County Units 5-6	29.00	%	36		15		—
	Trimble County Units 7-10	37.00	%	81		34		—
	Cane Run Unit 7	22.00	%	125		19		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
	December 31, 2020
	E.W. Brown Units 6-7	38.00	%	$	46	$	22	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	53.00	%	51		22		—
	Trimble County Unit 1	75.00	%	440		64		2
	Trimble County Unit 2	14.25	%	370		51		54
	Trimble County Units 5-6	29.00	%	33		14		1
	Trimble County Units 7-10	37.00	%	77		31		1
	Cane Run Unit 7	22.00	%	123		15		—
	E.W. Brown Solar Unit	39.00	%	10		2		—
	Solar Share	44.00	%	2		—		—
KU
	December 31, 2021
	E.W. Brown Units 6-7	62.00	%	$	88	$	40	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		22		—
	Trimble County Unit 2	60.75	%	981		190		57
	Trimble County Units 5-6	71.00	%	84		36		—
	Trimble County Units 7-10	63.00	%	133		57		—
	Cane Run Unit 7	78.00	%	444		70		—
	E.W. Brown Solar Unit	61.00	%	16		4		—
	Solar Share	56.00	%	3		—		—
	December 31, 2020
	E.W. Brown Units 6-7	62.00	%	$	76	$	37	$	—
	Paddy's Run Unit 13 & E.W. Brown Unit 5	47.00	%	45		20		—
	Trimble County Unit 2	60.75	%	970		176		52
	Trimble County Units 5-6	71.00	%	77		33		4
	Trimble County Units 7-10	63.00	%	129		53		2
	Cane Run Unit 7	78.00	%	443		57		2
	E.W. Brown Solar Unit	61.00	%	16		3		—
	Solar Share	56.00	%	2		—		—