CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities
Net income (loss)		$ 273	$ (1,840)
Loss from discontinued operations (net of income taxes)		0	2,043
Income from continuing operations (net of income taxes)		273	203
Depreciation		271	267
Amortization		7	11
Deferred income taxes and investment tax credits		39	50
Stock-based compensation expense		11	6
Other		(4)	(1)
Change in current assets and current liabilities
Accounts receivable		(38)	(60)
Accounts payable		4	(42)
Unbilled revenues		28	76
Fuel, materials and supplies		42	41
Prepayments		(75)	(76)
Taxes payable		(4)	(25)
Regulatory assets and liabilities, net		(41)	29
Accrued interest		57	69
Other		(53)	(76)
Other operating activities
Defined benefit plans - funding		(3)	(33)
Other assets		(18)	(74)
Other liabilities		6	31
Net cash provided by operating activities - continuing operations		502	396
Net cash provided by operating activities - discontinued operations		0	267
Net cash provided by operating activities		502	663
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(427)	(471)
Other investing activities		0	(1)
Net cash provided by (used in) investing activities - continuing operations		(427)	(472)
Net cash provided by (used in) investing activities - discontinued operations		0	(263)
Net cash provided by (used in) investing activities		(427)	(735)
Cash Flows from Financing Activities
Payment of common stock dividends		(306)	(320)
Retirement of term loan		0	(300)
Retirement of commercial paper		0	(73)
Net increase (decrease) in short-term debt		916	752
Other financing activities		(7)	(4)
Net cash provided by (used in) financing activities - continuing operations		603	55
Net cash provided by (used in) financing activities - discontinued operations		0	(126)
Net cash provided by (used in) financing activities		603	(71)
Effect of Exchange Rates on Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations		0	8
Net (Increase) Decrease in Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations		0	114
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		678	(21)
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		4,249
Cash, Cash Equivalents and Restricted Cash at End of Period		4,250	422
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		236	229
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	[1]	143	113
Depreciation		98	108
Amortization		3	6
Defined benefit plans - (income) expense		(6)	(3)
Deferred income taxes and investment tax credits		41	13
Other		(4)	(4)
Change in current assets and current liabilities
Accounts receivable		(52)	(37)
Accounts payable		20	(9)
Unbilled revenues		14	37
Prepayments		(72)	(78)
Taxes payable		(15)	(7)
Regulatory assets and liabilities, net		(43)	39
Other		2	(7)
Other operating activities
Defined benefit plans - funding		0	(21)
Other assets		(2)	(27)
Other liabilities		(5)	(2)
Net cash provided by operating activities		122	121
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(188)	(223)
Net (increase) decrease in notes receivable from affiliate		203	0
Other investing activities		0	1
Net cash provided by (used in) investing activities		15	(222)
Cash Flows from Financing Activities
Payment of common stock dividends to parent		(72)	(115)
Net increase (decrease) in short-term debt		0	205
Return of capital to parent		(40)	0
Net cash provided by (used in) financing activities		(112)	90
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		25	(11)
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		46
Cash, Cash Equivalents and Restricted Cash at End of Period		46	29
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		153	143
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[2]	93	75
Depreciation		74	66
Amortization		(1)	2
Defined benefit plans - (income) expense		0	1
Deferred income taxes and investment tax credits		(4)	(1)
Other		1	0
Change in current assets and current liabilities
Accounts receivable		4	(1)
Accounts receivable from affiliates		2	(3)
Accounts payable		(1)	8
Increase (Decrease) in Accounts Payable, Related Parties		(10)	(5)
Unbilled revenues		10	19
Fuel, materials and supplies		42	28
Taxes payable		0	4
Regulatory assets and liabilities, net		5	(10)
Accrued interest		17	18
Other		(6)	(17)
Other operating activities
Defined benefit plans - funding		0	(1)
Expenditures for asset retirement obligations		(6)	(6)
Other assets		(1)	0
Other liabilities		(1)	4
Net cash provided by operating activities		218	181
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(99)	(111)
Net (increase) decrease in notes receivable from affiliate		(4)	0
Net cash provided by (used in) investing activities		(103)	(111)
Cash Flows from Financing Activities
Increase Decrease In Notes Payable To Affiliates		(324)	0
Retirement of commercial paper		0	(41)
Payment of common stock dividends to parent		(75)	(60)
Net increase (decrease) in short-term debt		284	31
Net cash provided by (used in) financing activities		(115)	(70)
Cash and Cash Equivalents, Period Increase (Decrease)		0	0
Cash and Cash Equivalents at Beginning of Period		9	7
Cash and Cash Equivalents at End of Period		9	7
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		30	46
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	[3]	107	86
Depreciation		95	89
Amortization		4	2
Defined benefit plans - (income) expense		(1)	0
Deferred income taxes and investment tax credits		(3)	(2)
Other		2	0
Change in current assets and current liabilities
Accounts receivable		(6)	2
Accounts receivable from affiliates		0	1
Accounts payable		0	(7)
Increase (Decrease) in Accounts Payable, Related Parties		(12)	2
Unbilled revenues		4	20
Fuel, materials and supplies		3	15
Taxes payable		20	13
Regulatory assets and liabilities, net		(3)	0
Accrued interest		26	25
Other		(5)	(17)
Other operating activities
Expenditures for asset retirement obligations		(6)	(9)
Other assets		(6)	0
Other liabilities		0	4
Net cash provided by operating activities		219	224
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(129)	(127)
Net cash provided by (used in) investing activities		(129)	(127)
Cash Flows from Financing Activities
Increase Decrease In Notes Payable To Affiliates		(290)	0
Retirement of commercial paper		0	(32)
Payment of common stock dividends to parent		(90)	(56)
Net increase (decrease) in short-term debt		285	(23)
Net cash provided by (used in) financing activities		(95)	(111)
Cash and Cash Equivalents, Period Increase (Decrease)		(5)	(14)
Cash and Cash Equivalents at Beginning of Period		13	22
Cash and Cash Equivalents at End of Period		8	8
Supplemental Disclosures of Cash Flow Information
Accrued expenditures for property, plant and equipment at March 31,		$ 49	$ 40

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income equals comprehensive income.