CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Cash Flows from Operating Activities
Net Income (Loss)		$ (110)	$ 545
Loss from discontinued operations (net of income taxes)		912	74
Income from continuing operations (net of income taxes)		802	619
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation		432	455
Amortization		27	35
Defined benefit plans - expense		32	27
Deferred income taxes and investment tax credits		256	253
Unrealized (gains) losses on derivatives, and other hedging activities		62	69
Adjustment to WPD line loss accrual		0	65
Stock compensation expense		38	20
Other		11	1
Change in current assets and current liabilities
Accounts receivable		(74)	(95)
Accounts payable		(83)	(46)
Unbilled revenues		79	94
Prepayments		(61)	(19)
Taxes payable		(129)	52
Accrued interest		(87)	(107)
Other current liabilities		(91)	(38)
Other		13	40
Other operating activities
Defined benefit plans - funding		(289)	(186)
Other assets		(29)	2
Other liabilities		61	52
Net cash provided by (used in) operating activities		970	1,293
Net cash provided by (used in) operating activities - discontinued operations		343	290
Net cash provided by (used in) operating activities		1,313	1,583
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(1,679)	(1,678)
Expenditures for intangible assets		(24)	(24)
Purchases of other investments		(15)	0
Proceeds from the sale of other investments		135	0
Net (increase) decrease in restricted cash and cash equivalents		8	7
Other investing activities		0	(5)
Net cash provided by (used in) investing activities		(1,575)	(1,700)
Net cash provided by (used in) investing activities - discontinued operations		(149)	(403)
Net cash provided by (used in) investing activities		(1,724)	(2,103)
Cash Flows from Financing Activities
Issuance of long-term debt		88	296
Retirement of long-term debt		0	(239)
Issuance of common stock		83	1,017
Payment of common stock dividends		(500)	(470)
Net increase (decrease) in short-term debt		276	(217)
Other financing activities		(18)	(38)
Net cash provided by (used in) financing activities		(71)	349
Net cash provided by (used in) financing activities - discontinued operations		(546)	138
Net cash distributions to parent from discontinued operations		132	184
Net cash provided by (used in) financing activities		(485)	671
Effect of Exchange Rates on Cash and Cash Equivalents		(9)	16
Net (Increase) Decrease in Cash and Cash Equivalents included in Discontinued Operations		352	(25)
Net Increase (Decrease) in Cash and Cash Equivalents		(553)	142
Cash and Cash Equivalents at Beginning of Period		1,399	863
Cash and Cash Equivalents at End of Period		846	1,005
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net Income (Loss)	[1]	136	137
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation		103	90
Amortization		14	9
Defined benefit plans - expense		8	11
Deferred income taxes and investment tax credits		39	44
Other		(6)	(17)
Change in current assets and current liabilities
Accounts receivable		(24)	(80)
Accounts payable		(93)	(33)
Unbilled revenues		25	34
Prepayments		(80)	(40)
Taxes payable		(55)	8
Other		22	2
Other operating activities
Defined benefit plans - funding		(33)	(19)
Other assets		(2)	5
Other liabilities		22	(3)
Net cash provided by (used in) operating activities		76	148
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(480)	(436)
Expenditures for intangible assets		(5)	(22)
Net (increase) decrease in notes receivable from affiliates		0	150
Other investing activities		2	13
Net cash provided by (used in) investing activities		(483)	(295)
Cash Flows from Financing Activities
Issuance of long-term debt		0	296
Retirement of long-term debt		0	(10)
Contributions from parent		160	95
Payment of common stock dividends to parent		(107)	(87)
Net increase (decrease) in short-term debt		168	(20)
Other financing activities		0	(3)
Net cash provided by (used in) financing activities		221	271
Net Increase (Decrease) in Cash and Cash Equivalents		(186)	124
Cash and Cash Equivalents at Beginning of Period		214	25
Cash and Cash Equivalents at End of Period		28	149
LG And E And KU Energy LLC [Member]
Cash Flows from Operating Activities
Net Income (Loss)		177	180
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation		189	173
Amortization		12	12
Defined benefit plans - expense		21	12
Deferred income taxes and investment tax credits		145	149
Other		23	1
Change in current assets and current liabilities
Accounts receivable		13	(22)
Accounts payable		10	(5)
Accounts payable to affiliates		0	(2)
Unbilled revenues		12	27
Fuel, materials and supplies		54	43
Income tax receivable		136	(2)
Taxes payable		23	(10)
Other		(30)	1
Other operating activities
Defined benefit plans - funding		(63)	(40)
Other assets		7	(2)
Other liabilities		(26)	2
Net cash provided by (used in) operating activities		703	517
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(630)	(556)
Net (increase) decrease in notes receivable from affiliates		0	54
Other investing activities		4	0
Net cash provided by (used in) investing activities		(626)	(502)
Cash Flows from Financing Activities
Net increase (decrease) in notes payable to affiliates		18	0
Net increase (decrease) in short-term debt		(14)	75
Contributions from member		20	119
Distributions to member		(109)	(221)
Net cash provided by (used in) financing activities		(85)	(27)
Net Increase (Decrease) in Cash and Cash Equivalents		(8)	(12)
Cash and Cash Equivalents at Beginning of Period		21	35
Cash and Cash Equivalents at End of Period		13	23
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net Income (Loss)	[2]	88	87
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation		82	77
Amortization		6	6
Defined benefit plans - expense		8	5
Deferred income taxes and investment tax credits		58	20
Other		24	(4)
Change in current assets and current liabilities
Accounts receivable		13	(3)
Accounts receivable from affiliates		7	(17)
Accounts payable		(12)	(5)
Accounts payable to affiliates		(4)	(4)
Unbilled revenues		9	19
Fuel, materials and supplies		51	44
Income tax receivable		74	(5)
Taxes payable		9	2
Other		(2)	(4)
Other operating activities
Defined benefit plans - funding		(25)	(10)
Other assets		12	(1)
Other liabilities		(9)	(4)
Net cash provided by (used in) operating activities		389	203
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(349)	(249)
Net cash provided by (used in) investing activities		(349)	(249)
Cash Flows from Financing Activities
Contributions from parent		20	53
Payment of common stock dividends to parent		(58)	(60)
Net increase (decrease) in short-term debt		(5)	50
Net cash provided by (used in) financing activities		(43)	43
Net Increase (Decrease) in Cash and Cash Equivalents		(3)	(3)
Cash and Cash Equivalents at Beginning of Period		10	8
Cash and Cash Equivalents at End of Period		7	5
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net Income (Loss)	[1]	117	117
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation		107	95
Amortization		4	4
Defined benefit plans - expense		6	2
Deferred income taxes and investment tax credits		84	89
Other		(1)	5
Change in current assets and current liabilities
Accounts receivable		0	(20)
Accounts payable		27	10
Accounts payable to affiliates		(11)	13
Unbilled revenues		3	8
Fuel, materials and supplies		3	(1)
Income tax receivable		60	(24)
Taxes payable		14	(19)
Other		(9)	16
Other operating activities
Defined benefit plans - funding		(19)	(3)
Other assets		(1)	(1)
Other liabilities		(24)	6
Net cash provided by (used in) operating activities		360	297
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(279)	(305)
Other investing activities		4	0
Net cash provided by (used in) investing activities		(275)	(305)
Cash Flows from Financing Activities
Contributions from parent		0	66
Payment of common stock dividends to parent		(81)	(86)
Net increase (decrease) in short-term debt		(9)	25
Net cash provided by (used in) financing activities		(90)	5
Net Increase (Decrease) in Cash and Cash Equivalents		(5)	(3)
Cash and Cash Equivalents at Beginning of Period		11	21
Cash and Cash Equivalents at End of Period		$ 6	$ 18

[1] Net income approximates comprehensive income.

[2] Net income equals comprehensive income.