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v3.20.2

Segment and Related Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) Integer | Sep. 30, 2019 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | $ 1,885 | $ 1,933 |  | $ 5,678 |  | $ 5,815 |  |  |
Net Income |  | 281 | 475 |  | 1,179 |  | 1,382 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 47,924 |  |  | 47,924 |  |  |  |  | $ 45,680
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | 3,283 |  |  | 3,283 |  |  |  |  | 3,198
U.K. Regulated [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 485 | 491 |  | 1,575 |  | 1,615 |  |  |
Net Income |  | 55 | 236 |  | 574 |  | 784 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 19,183 |  |  | 19,183 |  |  |  |  | 17,622
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Net property, plant and equipment not subject to accounting for the effects of certain types of regulation |  | 14,200 |  |  | 14,200 |  |  |  |  | 13,200
Goodwill |  | 2,600 |  |  | 2,600 |  |  |  | $ 2,500 | 2,500
Kentucky Regulated [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 806 | 844 |  | 2,331 |  | 2,421 |  |  |
Net Income |  | 129 | 150 |  | 330 |  | 364 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 15,754 |  |  | 15,754 |  |  |  |  | 15,597
Pennsylvania Regulated [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 586 | 590 |  | 1,748 |  | 1,756 |  |  |
Net Income |  | 135 | 118 |  | 371 |  | 333 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 12,225 |  |  | 12,225 |  |  |  |  | 11,918
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 8 | 8 |  | 24 |  | 23 |  |  |
Net Income |  | (38) | (29) |  | (96) |  | (99) |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 762 |  |  | 762 |  |  |  |  | 543
PPL Electric Utilities Corp [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 586 | 590 |  | 1,748 |  | 1,756 |  |  |
Net Income | [1] | 134 | 118 |  | 370 |  | 333 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 12,213 |  |  | $ 12,213 |  |  |  |  | 11,901
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Number of Operating Segments | Integer |  |  |  |  | 2 |  |  |  |  |
LG And E And KU Energy LLC [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 806 | 844 |  | $ 2,331 |  | 2,421 |  |  |
Net Income |  | 137 | 158 | [2] | 355 | [2] | 388 | [2] |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 16,088 |  |  | 16,088 |  |  |  |  | 15,931
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | 996 |  |  | $ 996 |  |  |  |  | 996
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Number of Operating Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Louisville Gas And Electric Co [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 363 | 382 |  | $ 1,092 |  | 1,126 |  |  |
Net Income | [3] | 71 | 80 |  | 191 |  | 188 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 7,221 |  |  | 7,221 |  |  |  |  | 7,133
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | 389 |  |  | $ 389 |  |  |  |  | 389
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Number of Operating Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Kentucky Utilities Co [Member] |  |  |  |  |  |  |  |  |  |
Income Statement Data [Abstract] |  |  |  |  |  |  |  |  |  |
Operating Revenues from external customers |  | 452 | 466 |  | $ 1,272 |  | 1,322 |  |  |
Net Income | [4] | 84 | $ 95 |  | 217 |  | $ 237 |  |  |
Balance Sheet Data [Abstract] |  |  |  |  |  |  |  |  |  |
Assets |  | 8,980 |  |  | 8,980 |  |  |  |  | 8,825
Segment (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 607 |  |  | $ 607 |  |  |  |  | $ 607
Number of Reportable Segments | Integer |  |  |  |  | 1 |  |  |  |  |
Number of Operating Segments | Integer |  |  |  |  | 1 |  |  |  |  |
[1] | Net income equals comprehensive income.
[2] | Net income approximates comprehensive income.
[3] | Net income equals comprehensive income.
[4] | Net income equals comprehensive income.

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