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.