Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Line Items]

Lease, Cost [Table Text Block]

The following table provides the components of lease cost for the Registrants' leases for the years ended December 31:

	2023		2022		2021
PPL
Lease cost:
Finance lease cost:
Amortization of right-of-use assets	$	1	$	—	$	—
Interest on lease liabilities	—		—		—
Operating lease cost	26		20		24
Short-term lease cost	6		6		6
Total lease cost	$	33	$	26	$	30
LG&E
Lease cost:
Operating lease cost	$	5	$	6	$	6
Short-term lease cost	1		1		1
Total lease cost	$	6	$	7	$	7
KU
Lease cost:
Operating lease cost	$	10	$	9	$	10
Short-term lease cost	1		2		1
Total lease cost	$	11	$	11	$	11

The following table provides other key information related to the Registrants' leases at December 31:

	2023		2022		2021
PPL
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	—	$	—	$	—
Operating cash flows from operating leases	25		26		23
Financing cash flows from finance leases	1		—		—
Right-of-use asset obtained in exchange for new finance lease liabilities	7		—		—
Right-of-use asset obtained in exchange for new operating lease liabilities	47		15		12
LG&E
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	6	$	8	$	6
Right-of-use asset obtained in exchange for new operating lease liabilities	6		4		4
KU
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	9	$	12	$	10
Right-of-use asset obtained in exchange for new operating lease liabilities	10		5		7

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table provides the total future minimum rental payments for leases, as well as a reconciliation of these undiscounted cash flows to the lease liabilities recognized on the Balance Sheets as of December 31, 2023.

	PPL				LG&E		KU
	Operating leases		Finance leases		Operating leases		Operating leases
2024	$	24	$	2	$	6	$	9
2025	18		1		5		6
2026	11		1		2		3
2027	9		1		1		2
2028	8		1		1		1
Thereafter	34		2		—		1
Total	$	104	$	8	$	15	$	22
Weighted-average discount rate	4.68%		7.56%		4.05%		4.36%
Weighted-average remaining lease term (in years)	8		7		3		3
Current lease liabilities (a)	$	21	$	1	$	6	$	8
Non-current lease liabilities (a)	63		6		9		12
Right-of-use assets (b)	74		6		13		19

(a)    Current lease liabilities are included in "Other Current Liabilities" on the Balance Sheets. Non-current lease liabilities are included in "Other deferred credits and noncurrent liabilities" on the Balance Sheets. The difference between the total future minimum lease payments and the recorded lease liabilities is due to the impact of discounting.

(b)    Operating lease right-of-use assets are included in "Other noncurrent assets" and finance lease right-of-use assets are included in "Property, Plant and Equipment" on the Balance Sheets.

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

for the years ended December 31:

	2023		2022	2021
PPL	$	4	6	11
LG&E	—		2	5
KU	—		—	5

Louisville Gas And Electric Co [Member]

Leases [Line Items]

Lease, Cost [Table Text Block]

The following table provides the components of lease cost for the Registrants' leases for the years ended December 31:

	2023		2022		2021
PPL
Lease cost:
Finance lease cost:
Amortization of right-of-use assets	$	1	$	—	$	—
Interest on lease liabilities	—		—		—
Operating lease cost	26		20		24
Short-term lease cost	6		6		6
Total lease cost	$	33	$	26	$	30
LG&E
Lease cost:
Operating lease cost	$	5	$	6	$	6
Short-term lease cost	1		1		1
Total lease cost	$	6	$	7	$	7
KU
Lease cost:
Operating lease cost	$	10	$	9	$	10
Short-term lease cost	1		2		1
Total lease cost	$	11	$	11	$	11

The following table provides other key information related to the Registrants' leases at December 31:

	2023		2022		2021
PPL
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	—	$	—	$	—
Operating cash flows from operating leases	25		26		23
Financing cash flows from finance leases	1		—		—
Right-of-use asset obtained in exchange for new finance lease liabilities	7		—		—
Right-of-use asset obtained in exchange for new operating lease liabilities	47		15		12
LG&E
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	6	$	8	$	6
Right-of-use asset obtained in exchange for new operating lease liabilities	6		4		4
KU
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	9	$	12	$	10
Right-of-use asset obtained in exchange for new operating lease liabilities	10		5		7

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table provides the total future minimum rental payments for leases, as well as a reconciliation of these undiscounted cash flows to the lease liabilities recognized on the Balance Sheets as of December 31, 2023.

	PPL				LG&E		KU
	Operating leases		Finance leases		Operating leases		Operating leases
2024	$	24	$	2	$	6	$	9
2025	18		1		5		6
2026	11		1		2		3
2027	9		1		1		2
2028	8		1		1		1
Thereafter	34		2		—		1
Total	$	104	$	8	$	15	$	22
Weighted-average discount rate	4.68%		7.56%		4.05%		4.36%
Weighted-average remaining lease term (in years)	8		7		3		3
Current lease liabilities (a)	$	21	$	1	$	6	$	8
Non-current lease liabilities (a)	63		6		9		12
Right-of-use assets (b)	74		6		13		19

(a)    Current lease liabilities are included in "Other Current Liabilities" on the Balance Sheets. Non-current lease liabilities are included in "Other deferred credits and noncurrent liabilities" on the Balance Sheets. The difference between the total future minimum lease payments and the recorded lease liabilities is due to the impact of discounting.

(b)    Operating lease right-of-use assets are included in "Other noncurrent assets" and finance lease right-of-use assets are included in "Property, Plant and Equipment" on the Balance Sheets.

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

for the years ended December 31:

	2023		2022	2021
PPL	$	4	6	11
LG&E	—		2	5
KU	—		—	5

Kentucky Utilities Co [Member]

Leases [Line Items]

Lease, Cost [Table Text Block]

The following table provides the components of lease cost for the Registrants' leases for the years ended December 31:

	2023		2022		2021
PPL
Lease cost:
Finance lease cost:
Amortization of right-of-use assets	$	1	$	—	$	—
Interest on lease liabilities	—		—		—
Operating lease cost	26		20		24
Short-term lease cost	6		6		6
Total lease cost	$	33	$	26	$	30
LG&E
Lease cost:
Operating lease cost	$	5	$	6	$	6
Short-term lease cost	1		1		1
Total lease cost	$	6	$	7	$	7
KU
Lease cost:
Operating lease cost	$	10	$	9	$	10
Short-term lease cost	1		2		1
Total lease cost	$	11	$	11	$	11

The following table provides other key information related to the Registrants' leases at December 31:

	2023		2022		2021
PPL
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	—	$	—	$	—
Operating cash flows from operating leases	25		26		23
Financing cash flows from finance leases	1		—		—
Right-of-use asset obtained in exchange for new finance lease liabilities	7		—		—
Right-of-use asset obtained in exchange for new operating lease liabilities	47		15		12
LG&E
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	6	$	8	$	6
Right-of-use asset obtained in exchange for new operating lease liabilities	6		4		4
KU
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	9	$	12	$	10
Right-of-use asset obtained in exchange for new operating lease liabilities	10		5		7

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table provides the total future minimum rental payments for leases, as well as a reconciliation of these undiscounted cash flows to the lease liabilities recognized on the Balance Sheets as of December 31, 2023.

	PPL				LG&E		KU
	Operating leases		Finance leases		Operating leases		Operating leases
2024	$	24	$	2	$	6	$	9
2025	18		1		5		6
2026	11		1		2		3
2027	9		1		1		2
2028	8		1		1		1
Thereafter	34		2		—		1
Total	$	104	$	8	$	15	$	22
Weighted-average discount rate	4.68%		7.56%		4.05%		4.36%
Weighted-average remaining lease term (in years)	8		7		3		3
Current lease liabilities (a)	$	21	$	1	$	6	$	8
Non-current lease liabilities (a)	63		6		9		12
Right-of-use assets (b)	74		6		13		19

(a)    Current lease liabilities are included in "Other Current Liabilities" on the Balance Sheets. Non-current lease liabilities are included in "Other deferred credits and noncurrent liabilities" on the Balance Sheets. The difference between the total future minimum lease payments and the recorded lease liabilities is due to the impact of discounting.

(b)    Operating lease right-of-use assets are included in "Other noncurrent assets" and finance lease right-of-use assets are included in "Property, Plant and Equipment" on the Balance Sheets.

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

for the years ended December 31:

	2023		2022	2021
PPL	$	4	6	11
LG&E	—		2	5
KU	—		—	5