CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Cash Flows from Operating Activities
Net income (loss)	$ 647		$ 316
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	293		305
Amortization	57		60
Defined benefit plans - expense	28		21
Deferred income taxes and investment tax credits	124		(26)
Unrealized (gains) losses on derivatives, and other hedging activities	(90)		241
Adjustment to WPD line loss accrual	0		65
Stock compensation expense	28		28
Other	4		5
Change in current assets and current liabilities
Accounts receivable	(143)		(185)
Accounts payable	(139)		93
Unbilled revenues	111		(33)
Fuel, materials and supplies	149		96
Prepayments	(81)		(70)
Taxes payable	44		126
Other current liabilities	(172)		(59)
Other	38		10
Other operating activities
Defined benefit plans - funding	(271)		(135)
Other assets	(1)		(3)
Other liabilities	47		76
Net cash provided by (used in) operating activities	673		931
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(942)		(892)
Expenditures for intangible assets	(20)		(16)
Purchases of nuclear plant decommissioning trust investments	(43)		(32)
Proceeds from the sale of nuclear plant decommissioning trust investments	38	[1]	27	[1]
Proceeds from receipt of grants	0		56
Net (increase) decrease in restricted cash and cash equivalents	(10)		(334)
Other investing activities	(13)		8
Net cash provided by (used in) investing activities	(990)		(1,183)
Cash Flows from Financing Activities
Retirement of long-term debt	(1)		(239)
Issuance of common stock	35		15
Payment of common stock dividends	(250)		(234)
Net increase (decrease) in short-term debt	133		878
Other financing activities	(14)		(28)
Net cash provided by (used in) financing activities	(97)		392
Effect of Exchange Rates on Cash and Cash Equivalents	(2)		14
Net Increase (Decrease) in Cash and Cash Equivalents	(416)		154
Cash and Cash Equivalents at Beginning of Period	1,751		1,102
Cash and Cash Equivalents at End of Period	1,335		1,256
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	87	[2]	85	[2]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	51		45
Amortization	6		4
Defined benefit plans - expense	4		3
Deferred income taxes and investment tax credits	5		25
Other	(3)		(14)
Change in current assets and current liabilities
Accounts receivable	(73)		(107)
Accounts payable	(39)		22
Prepayments	(60)		(61)
Other	(6)		(1)
Other operating activities
Defined benefit plans - funding	(33)		(19)
Other assets	(1)		4
Other liabilities	17		10
Net cash provided by (used in) operating activities	(45)		(4)
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(224)		(201)
Net (increase) decrease in notes receivable from affiliates	0		150
Other investing activities	(1)		9
Net cash provided by (used in) investing activities	(225)		(42)
Cash Flows from Financing Activities
Retirement of long-term debt	0		(10)
Payment of common stock dividends to parent	(44)		(32)
Contributions from member	50		65
Net increase (decrease) in short-term debt	85		40
Net cash provided by (used in) financing activities	91		63
Net Increase (Decrease) in Cash and Cash Equivalents	(179)		17
Cash and Cash Equivalents at Beginning of Period	214		25
Cash and Cash Equivalents at End of Period	35		42
LG And E And KU Energy LLC [Member]
Cash Flows from Operating Activities
Net income (loss)	117	[2]	115	[2]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	95		86
Amortization	6		6
Defined benefit plans - expense	11		8
Deferred income taxes and investment tax credits	75		74
Other	17		(1)
Change in current assets and current liabilities
Accounts receivable	(39)		(39)
Accounts payable	(18)		22
Accounts payable to affiliates	0		0
Unbilled revenues	32		36
Fuel, materials and supplies	71		53
Income tax receivable	134		(11)
Taxes payable	(11)		(14)
Accrued interest	37		36
Other	(21)		(24)
Other operating activities
Defined benefit plans - funding	(53)		(38)
Other assets	(6)		1
Other liabilities	4		0
Net cash provided by (used in) operating activities	451		310
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(321)		(272)
Net (increase) decrease in notes receivable from affiliates	0		66
Other investing activities	4		0
Net cash provided by (used in) investing activities	(317)		(206)
Cash Flows from Financing Activities
Contributions from member	0		40
Distributions to member	(23)		(104)
Net increase (decrease) in notes payable to affiliates	(1)		0
Net increase (decrease) in short-term debt	(91)		(45)
Net cash provided by (used in) financing activities	(115)		(109)
Net Increase (Decrease) in Cash and Cash Equivalents	19		(5)
Cash and Cash Equivalents at Beginning of Period	21		35
Cash and Cash Equivalents at End of Period	40		30
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	53	[3]	52	[3]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	42		38
Amortization	3		3
Defined benefit plans - expense	4		2
Deferred income taxes and investment tax credits	31		6
Other	14		(5)
Change in current assets and current liabilities
Accounts receivable	(16)		(18)
Accounts receivable from affiliates	11		(22)
Accounts payable	(15)		14
Accounts payable to affiliates	0		(7)
Unbilled revenues	18		22
Fuel, materials and supplies	56		44
Income tax receivable	74		0
Taxes payable	(7)		21
Accrued interest	9		9
Other	(3)		(4)
Other operating activities
Defined benefit plans - funding	(22)		(9)
Other assets	(1)		1
Other liabilities	0		2
Net cash provided by (used in) operating activities	251		149
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(173)		(116)
Net cash provided by (used in) investing activities	(173)		(116)
Cash Flows from Financing Activities
Contributions from parent	0		0
Payment of common stock dividends to parent	(23)		(27)
Net increase (decrease) in short-term debt	(48)		(5)
Net cash provided by (used in) financing activities	(71)		(32)
Net Increase (Decrease) in Cash and Cash Equivalents	7		1
Cash and Cash Equivalents at Beginning of Period	10		8
Cash and Cash Equivalents at End of Period	17		9
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	78	[2]	77	[2]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	53		48
Amortization	3		3
Defined benefit plans - expense	3		2
Deferred income taxes and investment tax credits	43		34
Other	2		2
Change in current assets and current liabilities
Accounts receivable	(25)		(24)
Accounts payable	1		15
Accounts payable to affiliates	(14)		16
Unbilled revenues	14		14
Fuel, materials and supplies	15		9
Income tax receivable	60		0
Taxes payable	(1)		(12)
Accrued interest	19		18
Other	(5)		(9)
Other operating activities
Defined benefit plans - funding	(15)		(3)
Other assets	(3)		0
Other liabilities	1		1
Net cash provided by (used in) operating activities	229		191
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(148)		(154)
Other investing activities	4		0
Net cash provided by (used in) investing activities	(144)		(154)
Cash Flows from Financing Activities
Contributions from parent	0		40
Payment of common stock dividends to parent	(30)		(37)
Net increase (decrease) in short-term debt	(43)		(40)
Net cash provided by (used in) financing activities	(73)		(37)
Net Increase (Decrease) in Cash and Cash Equivalents	12		0
Cash and Cash Equivalents at Beginning of Period	11		21
Cash and Cash Equivalents at End of Period	$ 23		$ 21

[1] These proceeds are used to pay income taxes and fees related to managing the trust. Remaining proceeds are reinvested in the trust.

[2] Net income approximates comprehensive income.

[3] Net income equals comprehensive income.