CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022
Cash Flows from Operating Activities
Net income (loss)		$ 397	$ 392
Depreciation		626	560
Amortization		39	15
Defined benefit plans - (income) expense		(36)	(8)
Deferred income taxes and investment tax credits		107	56
Other		25	45
Change in current assets and current liabilities
Accounts receivable		(1)	(47)
Accounts payable		(209)	166
Unbilled revenues		233	22
Fuel, materials and supplies		(30)	23
Prepayments		(90)	(69)
Taxes payable		(31)	(41)
Regulatory assets and liabilities, net		(57)	(211)
Accrued interest		44	1
Other		(50)	97
Other operating activities
Defined benefit plans - funding		(7)	(7)
Other assets		(97)	(74)
Other liabilities		(21)	59
Net cash provided by operating activities		842	979
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(1,090)	(1,009)
Acquisition of Narragansett Electric, net of cash acquired		0	(3,674)
Other investing activities		(6)	0
Net cash used in investing activities		(1,096)	(4,683)
Cash Flows from Financing Activities
Issuance of long-term debt		3,127	0
Retirement of long-term debt		(1,763)	0
Payment of common stock dividends		(348)	(453)
Net increase (decrease) in short-term debt		(742)	919
Other financing activities		(50)	3
Net cash provided by financing activities		224	469
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(30)	(3,235)
Cash and Cash Equivalents at Beginning of Period		356
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		357	3,572
Cash and Cash Equivalents at End of Period		326
Cash, Cash Equivalents and Restricted Cash at End of Period		327	337
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at June 30,		231	195
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	[1]	248	267
Depreciation		198	197
Amortization		18	5
Defined benefit plans - (income) expense		(22)	(11)
Deferred income taxes and investment tax credits		54	67
Other		(9)	(9)
Change in current assets and current liabilities
Accounts receivable		(136)	(55)
Accounts payable		(69)	18
Unbilled revenues		119	8
Fuel, materials and supplies		(21)	(5)
Prepayments		(55)	(52)
Taxes payable		(36)	(23)
Counterparty collateral		0	62
Regulatory assets and liabilities, net		(39)	(73)
Other		16	(9)
Other operating activities
Defined benefit plans - funding		(1)	0
Other assets		(28)	(25)
Other liabilities		(1)	(7)
Net cash provided by operating activities		236	355
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(395)	(451)
Expenditures for intangible assets		(3)	0
Notes receivable from affiliates		0	333
Other investing activities		0	1
Net cash used in investing activities		(398)	(117)
Cash Flows from Financing Activities
Issuance of long-term debt		1,329	0
Retirement of long-term debt		(1,150)	0
Payment of common stock dividends to parent		(163)	(165)
Net increase (decrease) in short-term debt		(15)	0
Contributions from parent		200	0
Return of capital to parent		(25)	(65)
Debt Issuance Costs		(13)	0
Net cash provided by financing activities		163	(230)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		1	8
Cash and Cash Equivalents at Beginning of Period		25
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		25	21
Cash and Cash Equivalents at End of Period		26
Cash, Cash Equivalents and Restricted Cash at End of Period		26	29
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at June 30,		124	114
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[2]	131	147
Depreciation		151	149
Amortization		6	(3)
Defined benefit plans - (income) expense		1	(1)
Deferred income taxes and investment tax credits		(5)	(9)
Other		(3)	2
Change in current assets and current liabilities
Accounts receivable		53	19
Accounts receivable from affiliates		19	1
Accounts payable		(50)	15
Increase (Decrease) in Accounts Payable, Related Parties		(6)	(11)
Unbilled revenues		42	8
Fuel, materials and supplies		31	35
Taxes payable		(16)	(7)
Regulatory assets and liabilities, net		31	(16)
Accrued interest		6	0
Other		(16)	1
Other operating activities
Defined benefit plans - funding		0	(2)
Expenditures for asset retirement obligations		(6)	(8)
Other assets		(15)	(2)
Other liabilities		4	(1)
Net cash provided by operating activities		358	317
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(186)	(183)
Notes receivable from affiliates		(8)	0
Net cash used in investing activities		(194)	(183)
Cash Flows from Financing Activities
Issuance of long-term debt		399	0
Retirement of long-term debt		(300)	0
Increase Decrease In Notes Payable To Affiliates		0	(324)
Payment of common stock dividends to parent		(87)	(136)
Net increase (decrease) in short-term debt		(158)	325
Contributions from parent		20	10
Return of capital to parent		(120)	0
Other financing activities		(4)	0
Net cash provided by financing activities		(250)	(125)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(86)	9
Cash and Cash Equivalents at Beginning of Period		93	9
Cash and Cash Equivalents at End of Period		7	18
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at June 30,		39	33
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[3]	139	173
Depreciation		196	193
Amortization		9	8
Defined benefit plans - (income) expense		(2)	(2)
Deferred income taxes and investment tax credits		(6)	(5)
Other		7	2
Change in current assets and current liabilities
Accounts receivable		24	1
Accounts payable		(30)	18
Increase (Decrease) in Accounts Payable, Related Parties		(22)	(13)
Unbilled revenues		27	(4)
Fuel, materials and supplies		(25)	(5)
Taxes payable		(3)	5
Regulatory assets and liabilities, net		18	(21)
Accrued interest		6	0
Other		(7)	(4)
Other operating activities
Defined benefit plans - funding		0	(1)
Expenditures for asset retirement obligations		(10)	(14)
Other assets		(20)	2
Other liabilities		(3)	(1)
Net cash provided by operating activities		298	332
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(299)	(273)
Net cash used in investing activities		(299)	(273)
Cash Flows from Financing Activities
Issuance of long-term debt		399	0
Retirement of long-term debt		(313)	0
Increase Decrease In Notes Payable To Affiliates		8	(294)
Payment of common stock dividends to parent		(92)	(159)
Net increase (decrease) in short-term debt		(9)	338
Contributions from parent		54	60
Return of capital to parent		(54)	0
Other financing activities		(4)	0
Net cash provided by financing activities		(11)	(55)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(12)	4
Cash and Cash Equivalents at Beginning of Period		21	13
Cash and Cash Equivalents at End of Period		9	17
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at June 30,		$ 51	$ 46

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income equals comprehensive income.