Financing Activities - Credit Arrangements (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	$ 456	$ 303
PPL Capital Funding [Member]
Financing Activities [Line Items]
Capacity	1,700
Borrowed	0	0
Letters of credit and commercial paper issued	473	153
Unused capacity	1,227
PPL Capital Funding [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	355	138
PPL Capital Funding [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	1,500
Borrowed	0	0
Letters of credit and commercial paper issued	456	138
Unused capacity	$ 1,044
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 400
Line of Credit Facility, Borrowing Capacity Sublimit	1,100	1,000
PPL Capital Funding [Member] \| Syndicated Credit Facility [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	355	138
PPL Capital Funding [Member] \| Bilateral Credit Facility [Member]
Financing Activities [Line Items]
Capacity	100
Borrowed	0	0
Letters of credit and commercial paper issued	0	0
Unused capacity	$ 100
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 30
PPL Capital Funding [Member] \| Bilateral Credit Facility
Financing Activities [Line Items]
Capacity	100
Borrowed	0	0
Letters of credit and commercial paper issued	17	15
Unused capacity	$ 83
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
PPL Electric [Member]
Financing Activities [Line Items]
Capacity	$ 750
Borrowed	0	0
Letters of credit and commercial paper issued	6	1
Unused capacity	744
PPL Electric [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	0
PPL Electric [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	750
Borrowed	0	0
Letters of credit and commercial paper issued	6	1
Unused capacity	$ 744
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
PPL Electric [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
LGE [Member]
Financing Activities [Line Items]
Capacity	$ 600
Borrowed	0	0
Letters of credit and commercial paper issued	0	25
Unused capacity	600
LGE [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	25
LGE [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	600
Borrowed	0	0
Letters of credit and commercial paper issued	0	25
Unused capacity	$ 600
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
LGE [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
KU [Member]
Financing Activities [Line Items]
Capacity	$ 600
Borrowed	0	0
Letters of credit and commercial paper issued	0	140
Unused capacity	600
KU [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	140
KU [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	600
Borrowed	0	0
Letters of credit and commercial paper issued	0	140
Unused capacity	$ 600
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
KU [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Rhode Island Energy \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	$ 101	0
Rhode Island Energy \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Line of Credit Facility, Borrowing Capacity Sublimit	400	250
Rhode Island Energy \| Syndicated Credit Facility [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	101	0
PPL Electric Utilities Corp [Member]
Financing Activities [Line Items]
Capacity	750
Borrowed	0	0
Letters of credit and commercial paper issued	6	1
Unused capacity	744
PPL Electric Utilities Corp [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	0
PPL Electric Utilities Corp [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	750
Borrowed	0	0
Letters of credit and commercial paper issued	6	1
Unused capacity	$ 744
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
PPL Electric Utilities Corp [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Louisville Gas And Electric Co [Member]
Financing Activities [Line Items]
Capacity	$ 600
Borrowed	0	0
Letters of credit and commercial paper issued	0	25
Unused capacity	600
Louisville Gas And Electric Co [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	25
Louisville Gas And Electric Co [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	600
Borrowed	0	0
Letters of credit and commercial paper issued	0	25
Unused capacity	$ 600
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
Louisville Gas And Electric Co [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Kentucky Utilities Co [Member]
Financing Activities [Line Items]
Capacity	$ 600
Borrowed	0	0
Letters of credit and commercial paper issued	0	140
Unused capacity	600
Kentucky Utilities Co [Member] \| Commercial Paper [Member]
Financing Activities [Line Items]
Commercial paper issuances	0	140
Kentucky Utilities Co [Member] \| Syndicated Credit Facility [Member]
Financing Activities [Line Items]
Capacity	600
Borrowed	0	0
Letters of credit and commercial paper issued	0	$ 140
Unused capacity	$ 600
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%
Potential capacity increase	$ 250
Kentucky Utilities Co [Member] \| Term Loan Credit Facility [Member]
Financing Activities [Line Items]
Maximum percentage of debt to total capitalization allowed under the credit facility	70.00%

PPL Corp 10-K