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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash Flows from Operating Activities |  |  |  |
Net income (loss) |  | $ 888 | $ 740 | $ 756
Loss (income) from discontinued operations (net of income taxes) |  | 0 | 0 | (42)
Income from Continuing Operations After Income Taxes |  | 888 | 740 | 714
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |
Depreciation |  | 1,279 | 1,254 | 1,181
Amortization |  | 78 | 81 | 52
Defined benefit plans - expense (income) |  | (72) | (73) | (16)
Deferred income taxes and investment tax credits |  | 196 | 322 | 179
Loss on sale of Safari Holdings |  | 0 | 0 | 60
Stock compensation expense |  | 46 | 33 | 37
Other |  | (17) | (29) | 14
Change in current assets and current liabilities |  |  |  |
Accounts receivable |  | 254 | (170) | (176)
Accounts payable |  | (41) | (72) | 358
Unbilled Revenues |  | (57) | 128 | (197)
Fuel, materials and supplies |  | (2) | (60) | (90)
Prepayments |  | (34) | 1 | (13)
Taxes payable |  | (27) | 6 | (80)
Regulatory assets and liabilities, net |  | (68) | (37) | (119)
Other |  | (65) | 38 | (76)
Defined benefits plans - funding |  | (10) | (13) | (12)
Other operating activities |  |  |  |
Proceeds from transfer of excess benefit plan funds |  | 13 | 0 | 0
Other assets |  | (96) | (69) | (126)
Other liabilities |  | 42 | (349) | 39
Net cash provided by operating activities |  | 2,340 | 1,758 | 1,730
Cash Flows from Investing Activities |  |  |  |
Expenditures for property, plant and equipment |  | (2,805) | (2,390) | (2,155)
Proceeds from sale of Safari Holdings, net of cash divested |  | 0 | 0 | 146
Acquisition of Narragansett Electric, net of cash acquired |  | 0 | 0 | (3,660)
Other investing activities |  | (13) | 7 | 15
Net cash provided by (used in) investing activities |  | (2,818) | (2,383) | (5,654)
Cash Flows from Financing Activities |  |  |  |
Issuance of long-term debt |  | 1,894 | 3,252 | 850
Retirement of long-term debt |  | 0 | (1,854) | (264)
Payment of common stock dividends |  | (747) | (704) | (787)
Net increase (decrease) in short-term debt |  | (689) | 7 | 916
Other investing activities |  | (23) | (51) | (6)
Net cash provided by (used in) financing activities |  | 435 | 650 | 709
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (43) | 25 | (3,215)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 382 | 357 | 3,572
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 339 | 382 | 357
Supplemental Disclosures of Cash Flow Information: |  |  |  |
Interest - net of amount capitalized |  | 670 | 604 | 462
Income taxes - net |  | (123) | 281 | 163
Accrued expenditures for property, plant and equipment at December 31, |  | 358 | 220 | 269
Accrued interest |  | 33 | 27 | 1
PPL Electric Utilities Corp [Member] |  |  |  |
Cash Flows from Operating Activities |  |  |  |
Net income (loss) | [1] | 574 | 519 | 525
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |
Depreciation |  | 401 | 397 | 393
Amortization |  | 45 | 41 | 22
Defined benefit plans - expense (income) |  | (39) | (42) | (23)
Deferred income taxes and investment tax credits |  | 129 | 46 | 91
Other |  | 1 | (24) | (11)
Change in current assets and current liabilities |  |  |  |
Accounts receivable |  | 89 | (78) | (47)
Accounts payable |  | 64 | 13 | 46
Unbilled Revenues |  | (10) | 75 | (95)
Fuel, materials and supplies |  | 6 | (30) | (11)
Prepayments |  | (32) | 2 | (2)
Taxes payable |  | (49) | 15 | 5
Regulatory assets and liabilities, net |  | (101) | (38) | (59)
Other |  | (25) | 9 | (19)
Defined benefits plans - funding |  | 0 | (5) | 0
Other operating activities |  |  |  |
Other assets |  | (32) | 3 | (47)
Other liabilities |  | 9 | 1 | (11)
Net cash provided by operating activities |  | 1,042 | 912 | 757
Cash Flows from Investing Activities |  |  |  |
Expenditures for property, plant and equipment |  | (1,229) | (956) | (886)
Expenditures for intangible assets |  | (9) | (6) | (2)
Net (increase) decrease in notes receivable from affiliate |  | (222) | 0 | 499
Other investing activities |  | 5 | 4 | 2
Net cash provided by (used in) investing activities |  | (1,455) | (958) | (387)
Cash Flows from Financing Activities |  |  |  |
Issuance of long-term debt |  | 649 | 1,329 | 250
Retirement of long-term debt |  | 0 | (1,240) | (250)
Contributions from parent |  | 688 | 206 | 0
Payment of common stock dividends to parent |  | (375) | (323) | (340)
Return of Capital to Parent |  | (60) | (250) | (170)
Net increase (decrease) in short-term debt |  | (509) | 364 | 145
Debt Issuance Costs |  | (7) | (14) | 0
Other investing activities |  | 0 | 0 | (1)
Net cash provided by (used in) financing activities |  | 386 | 72 | (366)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (27) | 26 | 4
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 51 | 25 | 21
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 24 | 51 | 25
Supplemental Disclosures of Cash Flow Information: |  |  |  |
Interest - net of amount capitalized |  | 224 | 205 | 164
Income taxes - net |  | 83 | 92 | 111
Accrued expenditures for property, plant and equipment at December 31, |  | 173 | 122 | 133
Accrued interest |  | 12 | 8 | 0
Louisville Gas And Electric Co [Member] |  |  |  |
Cash Flows from Operating Activities |  |  |  |
Net income (loss) | [2] | 297 | 266 | 272
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |
Depreciation |  | 305 | 302 | 298
Amortization |  | 16 | 14 | 5
Deferred income taxes and investment tax credits |  | 6 | (14) | (6)
Other |  | (6) | (7) | 4
Change in current assets and current liabilities |  |  |  |
Accounts receivable |  | (25) | 40 | (19)
Accounts receivable from affiliates |  | (11) | 7 | (5)
Accounts payable |  | 12 | (40) | 22
Accounts payable to affiliates |  | 15 | (8) | 30
Unbilled Revenues |  | 1 | 24 | (32)
Fuel, materials and supplies |  | (13) | 24 | (28)
Taxes payable |  | (1) | 0 | 7
Regulatory assets and liabilities, net |  | (3) | 25 | 17
Other |  | 0 | 1 | 5
Defined benefits plans - funding |  | 0 | 1 | (2)
Other operating activities |  |  |  |
Expenditures for asset retirement obligations |  | (11) | (11) | (13)
Other assets |  | (27) | (21) | (8)
Other liabilities |  | (1) | 1 | (4)
Net cash provided by operating activities |  | 554 | 609 | 543
Cash Flows from Investing Activities |  |  |  |
Expenditures for property, plant and equipment |  | (444) | (378) | (371)
Other investing activities |  | 0 | 0 | (11)
Net cash provided by (used in) investing activities |  | (444) | (378) | (360)
Cash Flows from Financing Activities |  |  |  |
Issuance of long-term debt |  | 0 | 464 | 300
Retirement of long-term debt |  | 0 | (300) | 0
Net increase (decrease) in short-term debt |  | 25 | (179) | 110
Contributions from parent |  | 65 | 67 | 90
Payment of common stock dividends to parent |  | (187) | (166) | (275)
Return of Capital to Parent |  | (76) | (161) | 0
Other investing activities |  | 0 | (5) | 0
Net cash provided by (used in) financing activities |  | (130) | (280) | (99)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (20) | (49) | 84
Proceeds from (Repayments of) Related Party Debt |  | 43 | 0 | (324)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 44 | 93 | 9
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 24 | 44 | 93
Supplemental Disclosures of Cash Flow Information: |  |  |  |
Interest - net of amount capitalized |  | 101 | 93 | 83
Income taxes - net |  | 73 | 84 | 57
Accrued expenditures for property, plant and equipment at December 31, |  | 64 | 30 | 43
Accrued interest |  | 0 | 5 | 0
Kentucky Utilities Co [Member] |  |  |  |
Cash Flows from Operating Activities |  |  |  |
Net income (loss) | [3] | 356 | 312 | 322
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |
Depreciation |  | 403 | 392 | 386
Amortization |  | 21 | 20 | 18
Defined benefit plans - expense (income) |  | (5) | (5) | (4)
Deferred income taxes and investment tax credits |  | (15) | (10) | 2
Other |  | (4) | (2) | 3
Change in current assets and current liabilities |  |  |  |
Accounts receivable |  | (21) | 16 | (16)
Accounts payable |  | (23) | (26) | 26
Accounts payable to affiliates |  | 29 | (24) | 37
Unbilled Revenues |  | (5) | 17 | (23)
Fuel, materials and supplies |  | 14 | (17) | (41)
Taxes payable |  | 5 | 5 | 7
Regulatory assets and liabilities, net |  | 23 | 25 | (19)
Other |  | (5) | (4) | (3)
Defined benefits plans - funding |  | 0 | 0 | (1)
Other operating activities |  |  |  |
Expenditures for asset retirement obligations |  | (10) | (28) | (29)
Other assets |  | (41) | (25) | (1)
Other liabilities |  | 1 | (4) | (4)
Net cash provided by operating activities |  | 723 | 647 | 661
Cash Flows from Investing Activities |  |  |  |
Expenditures for property, plant and equipment |  | (643) | (572) | (547)
Other investing activities |  | 0 | 6 | 0
Net cash provided by (used in) investing activities |  | (643) | (566) | (547)
Cash Flows from Financing Activities |  |  |  |
Issuance of long-term debt |  | 0 | 459 | 300
Retirement of long-term debt |  | 0 | (313) | 0
Net increase (decrease) in short-term debt |  | 47 | (8) | 101
Contributions from parent |  | 126 | 76 | 84
Payment of common stock dividends to parent |  | (232) | (190) | (296)
Return of Capital to Parent |  | (103) | (84) | 0
Other investing activities |  | 0 | (4) | (1)
Net cash provided by (used in) financing activities |  | (89) | (64) | (106)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash |  | (9) | 17 | 8
Proceeds from (Repayments of) Related Party Debt |  | 73 | 0 | (294)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period |  | 38 | 21 | 13
Cash, Cash Equivalents and Restricted Cash at End of Period |  | 29 | 38 | 21
Supplemental Disclosures of Cash Flow Information: |  |  |  |
Interest - net of amount capitalized |  | 135 | 125 | 112
Income taxes - net |  | 102 | 78 | 78
Accrued expenditures for property, plant and equipment at December 31, |  | 74 | 38 | 56
Accrued interest |  | $ 0 | $ 5 | $ 1
[1] | Net income equals comprehensive income.
[2] | Net income equals comprehensive income.
[3] | Net income equals comprehensive income.

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- Definition Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 12 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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- Definition Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (g) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25 + Details
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- Definition Amount of noncash expense (reversal of expense) for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The cash inflow from parent as a source of financing that is recorded as additional paid in capital. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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- Definition The cash inflow or outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from (Payments for) Advances to Affiliates. + References No definition available. + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 15 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts. + References No definition available. + Details
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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 9 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-9 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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