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v3.25.2

Segment and Related Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) Integer | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | $ 2,025 |  | $ 1,881 | $ 4,529 |  | $ 4,185 |
Fuel |  | 192 |  | 181 | 426 |  | 390 |
Energy purchases |  | 388 |  | 275 | 947 |  | 795 |
Depreciation |  | 324 |  | 319 | 646 |  | 635 |
Taxes, other than income |  | 101 |  | 93 | 214 |  | 181 |
Other Income (Expense) - net |  | (23) |  | (32) | (51) |  | (54) |
Interest Expense |  | 199 |  | 182 | 389 |  | 361 |
Income Taxes |  | 47 |  | 50 | 149 |  | 131 |
Net income (loss) |  | 183 |  | 190 | 597 |  | 497 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 42,363 |  |  | 42,363 |  |  | $ 41,069
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Goodwill |  | 2,247 |  |  | $ 2,247 |  |  | 2,247
Number of Reportable Segments | Integer |  |  |  |  | 3 |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | $ 1,723 |  | 1,266 |
Amortization |  |  |  |  | 49 |  | 47 |
Deferred income taxes and investment tax credits |  |  |  |  | 104 |  | 114 |
Total Segments |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 2,024 |  | 1,881 | 4,528 |  | 4,184 |
Fuel |  | 192 |  | 181 | 426 |  | 390 |
Energy purchases |  | 389 |  | 275 | 949 |  | 795 |
Utilities Operating Expense, Maintenance and Operations |  | 573 |  | 529 | 1,135 |  | 1,068 |
Depreciation |  | 323 |  | 317 | 643 |  | 633 |
Taxes, other than income |  | 100 |  | 93 | 213 |  | 181 |
Other Income (Expense) - net |  | (17) |  | (26) | (43) |  | (45) |
Interest Expense |  | 151 |  | 145 | 294 |  | 291 |
Income Taxes |  | 66 |  | 81 | 191 |  | 192 |
Net income (loss) |  | 248 |  | 296 | 725 |  | 699 |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | 1,722 |  | 1,266 |
Amortization |  |  |  |  | 43 |  | 43 |
Deferred income taxes and investment tax credits |  |  |  |  | 77 |  | 97 |
Total Segments | Related Party |  |  |  |  |  |  |  |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Interest Income from affiliate |  | (1) |  | (10) | (5) |  | (20) |
Rhode Island Regulated |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 494 |  | 389 | 1,120 |  | 938 |
Fuel |  | 0 |  | 0 | 0 |  | 0 |
Energy purchases |  | 190 |  | 100 | 425 |  | 329 |
Utilities Operating Expense, Maintenance and Operations |  | 214 |  | 180 | 414 |  | 336 |
Depreciation |  | 44 |  | 40 | 86 |  | 81 |
Taxes, other than income |  | 42 |  | 39 | 89 |  | 66 |
Other Income (Expense) - net |  | 4 |  | (6) | (3) |  | (13) |
Interest Expense |  | 27 |  | 23 | 50 |  | 47 |
Income Taxes |  | (9) |  | 1 | 9 |  | 16 |
Net income (loss) |  | (17) |  | 12 | 53 |  | 76 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 7,125 |  |  | 7,125 |  |  | 7,055
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | 336 |  | 241 |
Amortization |  |  |  |  | 0 |  | 0 |
Deferred income taxes and investment tax credits |  |  |  |  | 18 |  | 36 |
Rhode Island Regulated | Related Party |  |  |  |  |  |  |  |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Interest Income from affiliate |  | (1) |  | 0 | (3) |  | 0 |
Pennsylvania Regulated [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 693 |  | 673 | 1,512 |  | 1,443 |
Fuel |  | 0 |  | 0 | 0 |  | 0 |
Energy purchases |  | 169 |  | 153 | 398 |  | 367 |
Utilities Operating Expense, Maintenance and Operations |  | 159 |  | 154 | 321 |  | 335 |
Depreciation |  | 100 |  | 100 | 202 |  | 199 |
Taxes, other than income |  | 32 |  | 30 | 73 |  | 66 |
Other Income (Expense) - net |  | (11) |  | (11) | (22) |  | (20) |
Interest Expense |  | 62 |  | 61 | 122 |  | 123 |
Income Taxes |  | 43 |  | 46 | 97 |  | 94 |
Net income (loss) |  | 139 |  | 150 | 323 |  | 299 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 15,892 |  |  | 15,892 |  |  | 15,475
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | 697 |  | 519 |
Amortization |  |  |  |  | 21 |  | 25 |
Deferred income taxes and investment tax credits |  |  |  |  | 48 |  | 60 |
Pennsylvania Regulated [Member] | Related Party |  |  |  |  |  |  |  |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Interest Income from affiliate |  | 0 |  | (10) | (2) |  | (20) |
Kentucky Regulated [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 837 |  | 819 | 1,896 |  | 1,803 |
Fuel |  | 192 |  | 181 | 426 |  | 390 |
Energy purchases |  | 30 |  | 22 | 126 |  | 99 |
Utilities Operating Expense, Maintenance and Operations |  | 200 |  | 195 | 400 |  | 397 |
Depreciation |  | 179 |  | 177 | 355 |  | 353 |
Taxes, other than income |  | 26 |  | 24 | 51 |  | 49 |
Other Income (Expense) - net |  | (10) |  | (9) | (18) |  | (12) |
Interest Expense |  | 62 |  | 61 | 122 |  | 121 |
Income Taxes |  | 32 |  | 34 | 85 |  | 82 |
Net income (loss) |  | 126 |  | 134 | 349 |  | 324 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 18,076 |  |  | 18,076 |  |  | 17,626
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | 689 |  | 506 |
Amortization |  |  |  |  | 22 |  | 18 |
Deferred income taxes and investment tax credits |  |  |  |  | 11 |  | 1 |
Kentucky Regulated [Member] | Related Party |  |  |  |  |  |  |  |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Interest Income from affiliate |  | 0 |  | 0 | 0 |  | 0 |
Corporate and Other [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 1 |  | 0 | 1 |  | 1 |
Income Taxes |  | (19) |  | (31) | (42) |  | (61) |
Net income (loss) |  | (65) |  | (106) | (128) |  | (202) |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 1,270 |  |  | 1,270 |  |  | 913
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Segment, Expenditure, Addition to Long-Lived Assets |  |  |  |  | 1 |  | 0 |
Amortization |  |  |  |  | 6 |  | 4 |
Deferred income taxes and investment tax credits |  |  |  |  | 27 |  | 17 |
PPL Electric Utilities Corp [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 693 |  | 673 | 1,512 |  | 1,443 |
Energy purchases |  | 169 |  | 153 | 398 |  | 367 |
Depreciation |  | 100 |  | 100 | 202 |  | 199 |
Taxes, other than income |  | 32 |  | 30 | 73 |  | 66 |
Other Income (Expense) - net |  | (11) |  | (11) | (22) |  | (20) |
Interest Expense |  | 62 |  | 61 | 122 |  | 123 |
Income Taxes |  | 43 |  | 46 | 97 |  | 94 |
Net income (loss) | [1] | 139 |  | 150 | 323 |  | 299 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 15,892 |  |  | $ 15,892 |  |  | 15,475
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |
Number of Operating Segments | Integer |  |  |  |  | 2 |  |  |
Amortization |  |  |  |  | $ 21 |  | 25 |
Deferred income taxes and investment tax credits |  |  |  |  | 48 |  | 60 |
PPL Electric Utilities Corp [Member] | Related Party |  |  |  |  |  |  |  |
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Interest Income from affiliate |  | 0 |  | (10) | (2) |  | (20) |
Louisville Gas And Electric Co [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 378 |  | 366 | 883 |  | 842 |
Fuel |  | 75 |  | 67 | 157 |  | 153 |
Energy purchases |  | 23 |  | 15 | 111 |  | 86 |
Depreciation |  | 77 |  | 77 | 151 |  | 153 |
Taxes, other than income |  | 13 |  | 12 | 26 |  | 25 |
Other Income (Expense) - net |  | (5) |  | (4) | (8) |  | (6) |
Interest Expense |  | 27 |  | 26 | 53 |  | 52 |
Income Taxes |  | 14 |  | 17 | 40 |  | 41 |
Net income (loss) |  | 56 | [2] | 62 | 161 | [2] | 155 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 8,196 |  |  | 8,196 |  |  | 7,992
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Goodwill |  | 389 |  |  | $ 389 |  |  | 389
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |
Number of Operating Segments | Integer |  |  |  |  | 1 |  |  |
Amortization |  |  |  |  | $ 11 |  | 8 |
Deferred income taxes and investment tax credits |  |  |  |  | 1 |  | 2 |
Kentucky Utilities Co [Member] |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 472 |  | 464 | 1,036 |  | 989 |
Fuel |  | 117 |  | 115 | 269 |  | 238 |
Energy purchases |  | 7 |  | 6 | 14 |  | 12 |
Depreciation |  | 101 |  | 101 | 203 |  | 200 |
Taxes, other than income |  | 13 |  | 12 | 25 |  | 24 |
Other Income (Expense) - net |  | (5) |  | (4) | (10) |  | (6) |
Interest Expense |  |  |  |  | 70 |  | 67 |
Income Taxes |  | 19 |  | 19 | 50 |  | 46 |
Net income (loss) | [3] | 78 |  | 77 | 203 |  | 185 |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |
Total Assets |  | 10,331 |  |  | 10,331 |  |  | 10,073
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |
Goodwill |  | 607 |  |  | $ 607 |  |  | $ 607
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |
Number of Operating Segments | Integer |  |  |  |  | 1 |  |  |
Amortization |  |  |  |  | $ 8 |  | 9 |
Deferred income taxes and investment tax credits |  |  |  |  | 4 |  | (7) |
Kentucky Utilities Co [Member] | Related Party |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |
Interest Expense |  | $ 0 |  | $ 1 | $ 0 |  | $ 1 |
[1] | Net income equals comprehensive income.
[2] | Net income equals comprehensive income.
[3] | Net income equals comprehensive income.

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