CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025		Mar. 31, 2024
Cash Flows from Operating Activities
Net income (loss)		$ 414		$ 307
Income from continuing operations (net of income taxes)		414
Depreciation		322		316
Amortization		20		24
Defined benefit plans - (income) expense		(16)		(15)
Deferred income taxes and investment tax credits		38		72
Other		13		3
Change in current assets and current liabilities
Accounts receivable		(277)		(75)
Accounts payable		(120)		(221)
Unbilled revenues		108		57
Fuel, materials and supplies		37		33
Prepayments		(87)		(108)
Taxes payable		40		(47)
Regulatory assets and liabilities, net		79		(61)
Accrued interest		67		90
Other		(80)		(103)
Other operating activities
Defined benefit plans - funding		(5)		(5)
Other assets		(50)		(1)
Other liabilities		10		16
Net cash provided by operating activities		513		282
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(793)		(596)
Other investing activities		10		5
Net cash used in investing activities		(783)		(591)
Cash Flows from Financing Activities
Issuance of long-term debt		0		1,148
Payment of common stock dividends		(190)		(177)
Net increase (decrease) in short-term debt		475		(701)
Other financing activities		(14)		(22)
Net cash provided by financing activities		271		248
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		1		(61)
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		312
Cash, Cash Equivalents and Restricted Cash at End of Period		340		321
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		397		253
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	[1]	184		149
Depreciation		102		99
Amortization		11		12
Defined benefit plans - (income) expense		(7)		(11)
Deferred income taxes and investment tax credits		20		32
Other		(5)		(7)
Change in current assets and current liabilities
Accounts receivable		(132)		(33)
Accounts payable		(7)		(59)
Unbilled revenues		43		30
Fuel, materials and supplies		(8)		(4)
Prepayments		(90)		(110)
Taxes payable		(2)		(48)
Regulatory assets and liabilities, net		36		(28)
Accrued interest		19		35
Other		(13)		(26)
Other operating activities
Other assets		(18)		0
Other liabilities		1		(3)
Net cash provided by operating activities		134		28
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(328)		(229)
Expenditures for intangible assets		(1)		(1)
Notes receivable from affiliates		222		(554)
Other investing activities		10		4
Net cash used in investing activities		(97)		(780)
Cash Flows from Financing Activities
Issuance of long-term debt		0		649
Payment of common stock dividends to parent		(88)		(88)
Net increase (decrease) in short-term debt		55		(509)
Contributions from parent		0		675
Debt Issuance Costs		(1)		(5)
Net cash provided by financing activities		(34)		722
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		3		(30)
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		27
Cash, Cash Equivalents and Restricted Cash at End of Period		27		21
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		185		146
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)		105	[2]	93
Depreciation		74		76
Amortization		4		3
Deferred income taxes and investment tax credits		1		2
Other		0		1
Change in current assets and current liabilities
Accounts receivable		(11)		(19)
Accounts receivable from affiliates		12		(11)
Accounts payable		23		6
Increase (Decrease) in Accounts Payable, Related Parties		26		34
Unbilled revenues		19		16
Fuel, materials and supplies		23		13
Taxes payable		(23)		(26)
Regulatory assets and liabilities, net		(21)		(21)
Accrued interest		23		23
Other		(19)		(19)
Other operating activities
Expenditures for asset retirement obligations		(2)		(2)
Other assets		(32)		0
Other liabilities		(3)		(3)
Net cash provided by operating activities		199		166
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(117)		(92)
Notes receivable from affiliates		(5)		(28)
Net cash used in investing activities		(122)		(120)
Cash Flows from Financing Activities
Increase Decrease In Notes Payable To Affiliates		(43)		0
Payment of common stock dividends to parent		(43)		(37)
Net increase (decrease) in short-term debt		64		28
Return of capital to parent		(55)		(51)
Debt Issuance Costs		(1)		0
Net cash provided by financing activities		(78)		(60)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(1)		(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		10
Cash, Cash Equivalents and Restricted Cash at End of Period		23		30
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		72		35
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[3]	125		108
Depreciation		102		99
Amortization		4		5
Deferred income taxes and investment tax credits		3		(1)
Other		(3)		(2)
Change in current assets and current liabilities
Accounts receivable		(29)		(21)
Accounts payable		(3)		(13)
Increase (Decrease) in Accounts Payable, Related Parties		29		52
Unbilled revenues		18		6
Fuel, materials and supplies		7		8
Taxes payable		(18)		(17)
Regulatory assets and liabilities, net		5		1
Accrued interest		32		32
Other		(3)		(7)
Other operating activities
Expenditures for asset retirement obligations		(2)		(2)
Other assets		(9)		8
Other liabilities		(5)		(4)
Net cash provided by operating activities		253		252
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(174)		(148)
Other investing activities		0		0
Net cash used in investing activities		(174)		(148)
Cash Flows from Financing Activities
Increase Decrease In Notes Payable To Affiliates		(65)		37
Payment of common stock dividends to parent		(46)		(47)
Net increase (decrease) in short-term debt		68		(48)
Return of capital to parent		(37)		(50)
Debt Issuance Costs		(1)		0
Net cash provided by financing activities		(81)		(108)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(2)		(4)
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		14
Cash, Cash Equivalents and Restricted Cash at End of Period		27		34
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		$ 74		$ 44

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income equals comprehensive income.