CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2025		Sep. 30, 2024
Cash Flows from Operating Activities
Net income (loss)		$ 915		$ 711
Income from continuing operations (net of income taxes)		915
Depreciation		977		957
Amortization		73		61
Defined benefit plans - (income) expense		(44)		(52)
Deferred income taxes and investment tax credits		177		147
Other		(3)		13
Change in current assets and current liabilities
Accounts receivable		(72)		259
Accounts payable		(159)		(236)
Unbilled revenues		130		109
Fuel, materials and supplies		3		(9)
Prepayments		(9)		(75)
Taxes payable		29		(8)
Regulatory assets and liabilities, net		73		(54)
Accrued interest		80		104
Other		(31)		(78)
Other operating activities
Defined benefit plans - funding		(9)		(10)
Other assets		(116)		(66)
Other liabilities		67		56
Net cash provided by operating activities		2,081		1,829
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(2,868)		(1,945)
Other investing activities		8		1
Net cash used in investing activities		(2,860)		(1,944)
Cash Flows from Financing Activities
Issuance of long-term debt		1,895		1,894
Payment of common stock dividends		(593)		(557)
Net increase (decrease) in short-term debt		292		(992)
Other financing activities		(35)		(29)
Net cash provided by financing activities		1,559		316
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		780		201
Cash and Cash Equivalents at Beginning of Period		306
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		339		382
Cash and Cash Equivalents at End of Period		1,102
Cash, Cash Equivalents and Restricted Cash at End of Period		1,119		583
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		486		281
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	[1]	482		441
Depreciation		307		300
Amortization		34		35
Defined benefit plans - (income) expense		(21)		(30)
Deferred income taxes and investment tax credits		63		91
Other		(20)		(9)
Change in current assets and current liabilities
Accounts receivable		(108)		67
Accounts payable		(71)		(63)
Unbilled revenues		43		50
Fuel, materials and supplies		(24)		(16)
Prepayments		5		(64)
Taxes payable		(1)		(36)
Regulatory assets and liabilities, net		57		(77)
Accrued interest		23		32
Other		(2)		(4)
Other operating activities
Defined benefit plans - funding		0		(2)
Other assets		(51)		(24)
Other liabilities		3		(2)
Net cash provided by operating activities		719		689
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(1,082)		(820)
Expenditures for intangible assets		(7)		(6)
Notes receivable from affiliates		(287)		(418)
Other investing activities		14		4
Net cash used in investing activities		(1,362)		(1,240)
Cash Flows from Financing Activities
Issuance of long-term debt		496		649
Payment of common stock dividends to parent		(298)		(283)
Net increase (decrease) in short-term debt		0		(509)
Contributions from parent		540		685
Return of capital to parent		(100)		0
Debt Issuance Costs		(6)		(7)
Net cash provided by financing activities		632		535
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(11)		(16)
Cash and Cash Equivalents at Beginning of Period		24
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		24		51
Cash and Cash Equivalents at End of Period		13
Cash, Cash Equivalents and Restricted Cash at End of Period		13		35
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		237		168
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)		244	[2]	232
Depreciation		228		229
Amortization		17		10
Deferred income taxes and investment tax credits		1		3
Other		(5)		(3)
Change in current assets and current liabilities
Accounts receivable		16		(13)
Accounts receivable from affiliates		9		0
Accounts payable		18		0
Increase (Decrease) in Accounts Payable, Related Parties		6		(3)
Unbilled revenues		17		21
Fuel, materials and supplies		15		(2)
Regulatory assets and liabilities, net		(16)		4
Accrued interest		28		22
Other		(19)		(21)
Other operating activities
Expenditures for asset retirement obligations		(8)		(8)
Other assets		(21)		(12)
Other liabilities		8		(3)
Net cash provided by operating activities		538		456
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(561)		(327)
Net cash used in investing activities		(561)		(327)
Cash Flows from Financing Activities
Issuance of long-term debt		700		0
Increase Decrease In Notes Payable To Affiliates		(43)		34
Payment of common stock dividends to parent		(148)		(138)
Net increase (decrease) in short-term debt		(25)		0
Contributions from parent		101		37
Return of capital to parent		(55)		(76)
Debt Issuance Costs		(8)		0
Net cash provided by financing activities		522		(143)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		499		(14)
Cash and Cash Equivalents at Beginning of Period		8
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		24		44
Cash and Cash Equivalents at End of Period		515
Cash, Cash Equivalents and Restricted Cash at End of Period		523		30
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		68		43
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[3]	312		283
Depreciation		305		302
Amortization		13		14
Defined benefit plans - (income) expense		(2)		(8)
Deferred income taxes and investment tax credits		11		(12)
Other		(6)		(2)
Change in current assets and current liabilities
Accounts receivable		3		(25)
Accounts payable		(4)		(3)
Increase (Decrease) in Accounts Payable, Related Parties		19		7
Unbilled revenues		12		9
Fuel, materials and supplies		(3)		19
Taxes payable		3		7
Regulatory assets and liabilities, net		3		27
Accrued interest		37		31
Other		(19)		(8)
Other operating activities
Expenditures for asset retirement obligations		(7)		(7)
Other assets		(28)		(6)
Other liabilities		(2)		(16)
Net cash provided by operating activities		647		612
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(681)		(463)
Net cash used in investing activities		(681)		(463)
Cash Flows from Financing Activities
Issuance of long-term debt		700		0
Increase Decrease In Notes Payable To Affiliates		(73)		128
Payment of common stock dividends to parent		(179)		(167)
Net increase (decrease) in short-term debt		(140)		(93)
Contributions from parent		91		84
Return of capital to parent		(37)		(103)
Debt Issuance Costs		(8)		0
Net cash provided by financing activities		354		(151)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		320		(2)
Cash and Cash Equivalents at Beginning of Period		13
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		29		38
Cash and Cash Equivalents at End of Period		341
Cash, Cash Equivalents and Restricted Cash at End of Period		349		36
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		$ 84		$ 54

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income equals comprehensive income.