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CONSOLIDATED STATEMENTS OF INCOME - USD ($)
shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Revenues      
Operating Revenues $ 9,042 $ 8,462 $ 8,312
Operation      
Fuel 855 783 733
Energy purchases 1,892 1,679 1,841
Other operation and maintenance 2,431 2,607 2,462
Depreciation 1,312 1,279 1,254
Taxes, other than income 423 374 392
Total Operating Expenses 6,913 6,722 6,682
Operating Income 2,129 1,740 1,630
Other Income (Expense) - net 151 114 (40)
Interest Expense, Operating and Nonoperating 808 738 666
Income from Continuing Operations Before Income Taxes 1,472 1,116 924
Income Taxes 291 228 184
Net income (Loss) $ 1,181 $ 888 $ 740
Earnings per Share of Common Stock [Abstract]      
Net Income (Loss) Available to PPL Common , Per Basic shares $ 1.60 $ 1.20 $ 1.00
Net Income (Loss) Available to PPL Common Shareowners, Per Diluted Shares $ 1.59 $ 1.20 $ 1.00
Weighted-Average Shares of Common Stock Outstanding (in thousands)      
Basic 739,406 737,756 737,036
Diluted 743,348 739,853 738,166
PPL Electric Utilities Corp [Member]      
Operating Revenues      
Operating Revenues $ 3,113 $ 2,876 $ 3,008
Operation      
Energy purchases 876 721 992
Other operation and maintenance 630 705 605
Depreciation 413 401 397
Taxes, other than income 151 131 143
Total Operating Expenses 2,070 1,958 2,137
Operating Income 1,043 918 871
Other Income (Expense) - net 48 45 39
Interest Expense, Operating and Nonoperating 257 246 223
Income from Continuing Operations Before Income Taxes 843 750 687
Income Taxes 204 176 168
Net income (Loss) [1] 639 574 519
PPL Electric Utilities Corp [Member] | Related Party      
Weighted-Average Shares of Common Stock Outstanding (in thousands)      
Interest income 9 33 0
Louisville Gas And Electric Co [Member]      
Operating Revenues      
Operating Revenues 1,748 1,648 1,613
Operation      
Fuel 338 308 286
Energy purchases 187 151 168
Energy purchases from affiliate 22 20 12
Other operation and maintenance 364 349 364
Depreciation 307 305 302
Taxes, other than income 51 49 48
Total Operating Expenses 1,269 1,182 1,180
Operating Income 479 466 433
Other Income (Expense) - net 24 12 3
Interest Expense, Operating and Nonoperating 116 105 102
Income from Continuing Operations Before Income Taxes 387 374 335
Income Taxes 78 77 69
Net income (Loss) 309 297 [2] 266 [2]
Louisville Gas And Electric Co [Member] | Nonrelated Party      
Operating Revenues      
Retail and wholesale 1,718 1,617 1,580
Louisville Gas And Electric Co [Member] | Related Party      
Operating Revenues      
Retail and wholesale 30 31 33
Weighted-Average Shares of Common Stock Outstanding (in thousands)      
Interest income 0 1 1
Kentucky Utilities Co [Member]      
Operating Revenues      
Operating Revenues 2,064 1,964 1,884
Operation      
Fuel 517 476 447
Energy purchases 26 25 24
Energy purchases from affiliate 30 31 33
Other operation and maintenance 416 413 427
Depreciation 408 403 392
Taxes, other than income 51 49 45
Total Operating Expenses 1,448 1,397 1,368
Operating Income 616 567 516
Other Income (Expense) - net 29 15 8
Income from Continuing Operations Before Income Taxes 497 445 389
Income Taxes 99 89 77
Net income (Loss) [3] 398 356 312
Kentucky Utilities Co [Member] | Nonrelated Party      
Operating Revenues      
Retail and wholesale 2,042 1,944 1,872
Operation      
Interest Expense, Operating and Nonoperating 148 137 134
Kentucky Utilities Co [Member] | Related Party      
Operating Revenues      
Retail and wholesale 22 20 12
Operation      
Interest Expense, Operating and Nonoperating $ 0 $ 0 $ 1
[1] Net income equals comprehensive income.
[2] Net income equals comprehensive income.
[3] Net income equals comprehensive income.