CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities
Net income (loss)		$ 566	$ (1,614)
Loss from discontinued operations (net of income taxes)		0	1,490
Income from continuing operations (net of income taxes)		566	(124)
Depreciation		872	810
Amortization		30	30
Deferred income taxes and investment tax credits		55	51
Impairment of assets held for sale		0	37
Loss on extinguishment of debt		0	395
Impairment of assets held for sale		67	0
Other		32	7
Change in current assets and current liabilities
Accounts receivable		(103)	(25)
Accounts payable		120	(32)
Unbilled revenues		42	67
Fuel, materials and supplies		(71)	3
Taxes payable		(14)	75
Regulatory assets and liabilities, net		(158)	50
Accrued interest		59	25
Other		29	10
Other operating activities
Defined benefit plans - funding		(8)	(41)
Other assets		(77)	(105)
Other liabilities		70	19
Net cash provided by operating activities - continuing operations		1,511	1,252
Net cash provided by operating activities - discontinued operations		0	726
Net cash provided by operating activities		1,511	1,978
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(1,515)	(1,460)
Acquisition of Narragansett Electric, net of cash acquired		(3,674)	0
Proceeds from sale of discontinued operations, net of cash divested		0	10,560
Other investing activities		3	(22)
Net cash provided by (used in) investing activities - continuing operations		(5,186)	9,078
Net cash provided by (used in) investing activities - discontinued operations		0	(607)
Net cash provided by (used in) investing activities		(5,186)	8,471
Cash Flows from Financing Activities
Issuance of long-term debt		850	650
Retirement of long-term debt		(263)	(4,606)
Payment of common stock dividends		(620)	(961)
Purchase of treasury stock		0	(282)
Retirement of term loan		0	(300)
Retirement of commercial paper		0	(73)
Net increase (decrease) in short-term debt		441	(795)
Other financing activities		(1)	(3)
Net cash provided by (used in) financing activities - continuing operations		407	(6,370)
Net cash provided by (used in) financing activities - discontinued operations		0	(411)
Contributions from discontinued operations		0	365
Net cash provided by (used in) financing activities		407	(6,416)
Effect of Exchange Rates on Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations		0	8
Net Decrease in Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations		0	284
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		(3,268)	4,325
Cash and Cash Equivalents at Beginning of Period		3,571
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		3,572	443
Cash and Cash Equivalents at End of Period		303
Cash, Cash Equivalents and Restricted Cash at End of Period		304	4,768
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		239	214
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	[1]	410	335
Depreciation		296	322
Amortization		10	14
Defined benefit plans - (income) expense		(17)	(7)
Deferred income taxes and investment tax credits		67	75
Other		(12)	(15)
Change in current assets and current liabilities
Accounts receivable		(73)	(24)
Accounts payable		(39)	(39)
Unbilled revenues		11	37
Fuel, materials and supplies		(22)	3
Prepayments		(12)	(32)
Taxes payable		(26)	(1)
Regulatory assets and liabilities, net		(57)	81
Other		(15)	6
Other operating activities
Defined benefit plans - funding		0	(21)
Other assets		(15)	(18)
Other liabilities		(8)	(12)
Net cash provided by operating activities		498	704
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(621)	(680)
Notes receivable from affiliates		499	(575)
Other investing activities		2	(1)
Net cash provided by (used in) investing activities		(120)	(1,256)
Cash Flows from Financing Activities
Issuance of long-term debt		250	650
Retirement of long-term debt		(250)	(400)
Payment of common stock dividends to parent		(246)	(251)
Contributions from parent		0	1,075
Return of capital to parent		(130)	(500)
Other financing activities		(1)	(3)
Net cash provided by (used in) financing activities		(377)	571
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		1	19
Cash and Cash Equivalents at Beginning of Period		21
Cash, Cash Equivalents and Restricted Cash at Beginning of Period		21	40
Cash and Cash Equivalents at End of Period		22
Cash, Cash Equivalents and Restricted Cash at End of Period		22	59
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		150	131
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[2]	224	202
Depreciation		223	206
Amortization		(1)	1
Defined benefit plans - (income) expense		(1)	0
Deferred income taxes and investment tax credits		(3)	4
Other		3	0
Change in current assets and current liabilities
Accounts receivable		15	4
Accounts receivable from affiliates		5	(2)
Accounts payable		10	19
Increase (Decrease) in Accounts Payable, Related Parties		19	(13)
Unbilled revenues		11	19
Fuel, materials and supplies		(22)	(7)
Taxes payable		4	5
Regulatory assets and liabilities, net		(12)	(14)
Accrued interest		17	17
Other		(4)	(8)
Other operating activities
Defined benefit plans - funding		(2)	(3)
Expenditures for asset retirement obligations		(10)	(19)
Other assets		(3)	(3)
Other liabilities		0	4
Net cash provided by operating activities		473	412
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(273)	(339)
Net cash provided by (used in) investing activities		(273)	(339)
Cash Flows from Financing Activities
Issuance of long-term debt		300	0
Increase Decrease In Notes Payable To Affiliates		(310)	284
Retirement of commercial paper		0	(41)
Payment of common stock dividends to parent		(224)	(139)
Net increase (decrease) in short-term debt		41	(221)
Contributions from parent		10	44
Other financing activities		(1)	(2)
Net cash provided by (used in) financing activities		(184)	(75)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		16	(2)
Cash and Cash Equivalents at Beginning of Period		9	7
Cash and Cash Equivalents at End of Period		25	5
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		36	40
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[3]	268	241
Depreciation		289	273
Amortization		12	5
Defined benefit plans - (income) expense		(3)	(2)
Deferred income taxes and investment tax credits		(2)	0
Other		3	(1)
Change in current assets and current liabilities
Accounts receivable		(17)	(6)
Accounts receivable from affiliates		0	1
Accounts payable		7	(4)
Increase (Decrease) in Accounts Payable, Related Parties		22	(4)
Unbilled revenues		4	17
Fuel, materials and supplies		(17)	4
Taxes payable		15	9
Regulatory assets and liabilities, net		(20)	(16)
Accrued interest		26	25
Other		(5)	(17)
Other operating activities
Defined benefit plans - funding		(1)	(1)
Expenditures for asset retirement obligations		(23)	(27)
Other assets		1	2
Other liabilities		(3)	5
Net cash provided by operating activities		556	504
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(397)	(400)
Other investing activities		0	4
Net cash provided by (used in) investing activities		(397)	(396)
Cash Flows from Financing Activities
Issuance of long-term debt		300	0
Increase Decrease In Notes Payable To Affiliates		(272)	208
Retirement of commercial paper		0	(32)
Payment of common stock dividends to parent		(234)	(186)
Net increase (decrease) in short-term debt		0	(171)
Contributions from parent		60	60
Other financing activities		(1)	(1)
Net cash provided by (used in) financing activities		(147)	(122)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		12	(14)
Cash and Cash Equivalents at Beginning of Period		13	22
Cash and Cash Equivalents at End of Period		25	8
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at September 30,		$ 46	$ 43

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income equals comprehensive income.