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SEGMENT INFORMATION - Segment Financial Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Segment Financial Information |  |  |  |  |  |
Total revenues | [1] | $ 3,729 | $ 3,487 | $ 10,296 | $ 9,724 |
Depreciation |  | 400 | 366 | 1,178 | 1,088 |
Amortization (deferral) of regulatory assets, net |  | (33) | (140) | (205) | (253) |
Equity method investment earnings |  | 21 | 43 | 64 | 134 |
Interest expense |  | 276 | 289 | 866 | 828 |
Income taxes (benefits) |  | 94 | 29 | 294 | 193 |
Earnings (losses) attributable to FE from continuing operations |  | 419 | 421 | 717 | 948 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 1,004 | 848 | 2,736 | 2,266 |
Assets |  | 50,756 |  | 50,756 |  | $ 48,767
Goodwill |  | 5,618 |  | 5,618 |  | 5,618
Distribution |  |  |  |  |  |
Cash Flows from Investing Activities: |  |  |  |  |  |
Goodwill |  | 3,222 |  | 3,222 |  |
External revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 3,729 | 3,487 | 10,296 | 9,724 |
Internal revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 0 | 0 | 0 | 0 |
Operating Segments |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 3,744 | 3,500 | 10,338 | 9,764 |
Depreciation |  | 379 | 348 | 1,121 | 1,033 |
Amortization (deferral) of regulatory assets, net |  | (33) | (140) | (205) | (253) |
Equity method investment earnings |  | 0 | 0 | 0 | 0 |
Interest expense |  | 238 | 229 | 730 | 656 |
Income taxes (benefits) |  | 110 | 91 | 344 | 267 |
Earnings (losses) attributable to FE from continuing operations |  | 462 | 420 | 1,050 | 1,097 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 970 | 834 | 2,678 | 2,233 |
Assets |  | 51,240 |  | 51,240 |  | 48,843
Goodwill |  | 5,618 |  | 5,618 |  | 5,618
Operating Segments | Distribution |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 1,817 | 1,795 | 5,232 | 5,239 |
Depreciation |  | 163 | 155 | 486 | 464 |
Amortization (deferral) of regulatory assets, net |  | (55) | (124) | (152) | (174) |
Equity method investment earnings |  | 0 | 0 | 0 | 0 |
Interest expense |  | 106 | 100 | 331 | 290 |
Income taxes (benefits) |  | 34 | 46 | 96 | 122 |
Earnings (losses) attributable to FE from continuing operations |  | 193 | 175 | 426 | 506 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 289 | 233 | 758 | 662 |
Assets |  | 19,795 |  | 19,795 |  | 19,235
Goodwill |  | 3,222 |  | 3,222 |  | 3,222
Operating Segments | Integrated |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 1,452 | 1,266 | 3,725 | 3,250 |
Depreciation |  | 132 | 116 | 386 | 343 |
Amortization (deferral) of regulatory assets, net |  | 20 | (17) | (58) | (85) |
Equity method investment earnings |  | 0 | 0 | 0 | 0 |
Interest expense |  | 62 | 67 | 198 | 187 |
Income taxes (benefits) |  | 36 | 12 | 107 | 43 |
Earnings (losses) attributable to FE from continuing operations |  | 197 | 145 | 387 | 290 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 382 | 312 | 1,045 | 824 |
Assets |  | 18,082 |  | 18,082 |  | 17,466
Goodwill |  | 1,953 |  | 1,953 |  | 1,953
Operating Segments | Stand-Alone Transmission |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 475 | 439 | 1,381 | 1,275 |
Depreciation |  | 84 | 77 | 249 | 226 |
Amortization (deferral) of regulatory assets, net |  | 2 | 1 | 5 | 6 |
Equity method investment earnings |  | 0 | 0 | 0 | 0 |
Interest expense |  | 70 | 62 | 201 | 179 |
Income taxes (benefits) |  | 40 | 33 | 141 | 102 |
Earnings (losses) attributable to FE from continuing operations |  | 72 | 100 | 237 | 301 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 299 | 289 | 875 | 747 |
Assets |  | 13,363 |  | 13,363 |  | 12,142
Goodwill |  | 443 |  | 443 |  | 443
Operating Segments | External revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 3,727 | 3,486 | 10,290 | 9,718 |
Operating Segments | External revenues | Distribution |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 1,806 | 1,786 | 5,202 | 5,209 |
Operating Segments | External revenues | Integrated |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 1,451 | 1,266 | 3,721 | 3,247 |
Operating Segments | External revenues | Stand-Alone Transmission |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 470 | 434 | 1,367 | 1,262 |
Operating Segments | Internal revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 17 | 14 | 48 | 46 |
Operating Segments | Internal revenues | Distribution |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 11 | 9 | 30 | 30 |
Operating Segments | Internal revenues | Integrated |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 1 | 0 | 4 | 3 |
Operating Segments | Internal revenues | Stand-Alone Transmission |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 5 | 5 | 14 | 13 |
Corporate/Other |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 2 | 1 | 6 | 6 |
Depreciation |  | 21 | 18 | 57 | 55 |
Amortization (deferral) of regulatory assets, net |  | 0 | 0 | 0 | 0 |
Equity method investment earnings |  | 21 | 43 | 64 | 134 |
Interest expense |  | 80 | 87 | 281 | 248 |
Income taxes (benefits) |  | (16) | (62) | (50) | (74) |
Earnings (losses) attributable to FE from continuing operations |  | (43) | 1 | (333) | (149) |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 34 | 14 | 58 | 33 |
Assets |  | 1,879 |  | 1,879 |  | 2,372
Goodwill |  | 0 |  | 0 |  | 0
Corporate/Other | External revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 2 | 1 | 6 | 6 |
Corporate/Other | Internal revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 0 | 0 | 0 | 0 |
Reconciling Adjustments |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | (17) | (14) | (48) | (46) |
Depreciation |  | 0 | 0 | 0 | 0 |
Amortization (deferral) of regulatory assets, net |  | 0 | 0 | 0 | 0 |
Equity method investment earnings |  | 0 | 0 | 0 | 0 |
Interest expense |  | (42) | (27) | (145) | (76) |
Income taxes (benefits) |  | 0 | 0 | 0 | 0 |
Earnings (losses) attributable to FE from continuing operations |  | 0 | 0 | 0 | 0 |
Cash Flows from Investing Activities: |  |  |  |  |  |
Capital investments |  | 0 | 0 | 0 | 0 |
Assets |  | (2,363) |  | (2,363) |  | (2,448)
Goodwill |  | 0 |  | 0 |  | $ 0
Reconciling Adjustments | External revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | 0 | 0 | 0 | 0 |
Reconciling Adjustments | Internal revenues |  |  |  |  |  |
Segment Financial Information |  |  |  |  |  |
Total revenues |  | $ (17) | $ (14) | $ (48) | $ (46) |
[1] | Includes excise and gross receipts tax collections of $116 million and $114 million during the three months ended September 30, 2024 and 2023, respectively, and $329 million and $315 million during the nine months ended September 30, 2024 and 2023, respectively.

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