CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Cash Flows from Operating Activities
Net income (loss)	$ 1,042		$ 1,229
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	930		859
Amortization	168		164
Defined benefit plans - expense	71		135
Deferred income taxes and investment tax credits	266		301
Unrealized (gains) losses on derivatives, and other hedging activities	117		126
Adjustment to WPD line loss accrual	65		45
Stock compensation expense	52		45
Other	38		2
Change in current assets and current liabilities
Accounts receivable	(29)		(79)
Accounts payable	(126)		(140)
Unbilled revenues	163		197
Fuel, materials and supplies	(60)		(14)
Counterparty collateral	(18)		(77)
Taxes payable	208		76
Uncertain tax positions	1		(104)
Other	(5)		(89)
Other operating activities
Defined benefit plans - funding	(322)		(505)
Other assets	8		(59)
Other liabilities	59		111
Net cash provided by (used in) operating activities	2,628		2,223
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(2,878)		(2,768)
Expenditures for intangible assets	(74)		(61)
Purchases of nuclear plant decommissioning trust investments	(124)		(102)
Proceeds from the sale of nuclear plant decommissioning trust investments	112		92
Proceeds from receipt of grants	164		5
Net (increase) decrease in restricted cash and cash equivalents	(187)		13
Other investing activities	13		33
Net cash provided by (used in) investing activities	(2,974)		(2,788)
Cash Flows from Financing Activities
Issuance of long-term debt	296		862
Retirement of long-term debt	(545)		(309)
Repurchase of common stock	0		(74)
Issuance of common stock	1,037		1,409
Payment of common stock dividends	(718)		(645)
Debt issuance and credit facility costs	(21)		(37)
Contract adjustment payments	(21)		(72)
Net increase (decrease) in short-term debt	398		(148)
Other financing activities	(7)		(20)
Net cash provided by (used in) financing activities	419		966
Effect of Exchange Rates on Cash and Cash Equivalents	13		(11)
Net Increase (Decrease) in Cash and Cash Equivalents	86		390
Cash and Cash Equivalents at Beginning of Period	1,102		901
Cash and Cash Equivalents at End of Period	1,188		1,291
PPL Energy Supply LLC [Member]
Cash Flows from Operating Activities
Net income (loss)	48		173
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	242		237
Amortization	117		111
Defined benefit plans - expense	34		39
Deferred income taxes and investment tax credits	(150)		112
Impairment of assets	20		0
Unrealized (gains) losses on derivatives, and other hedging activities	216		98
Other	19		9
Change in current assets and current liabilities
Accounts receivable	(1)		71
Accounts payable	(45)		(108)
Unbilled revenues	41		135
Fuel, materials and supplies	(67)		(18)
Counterparty collateral	(18)		(77)
Price risk management assets and liabilities	(34)		1
Taxes payable	70		(43)
Other	(9)		10
Other operating activities
Defined benefit plans - funding	(32)		(107)
Other assets	(2)		(32)
Other liabilities	16		(28)
Net cash provided by (used in) operating activities	465
Net cash provided by (used in) operating activities			583
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(276)		(341)
Expenditures for intangible assets	(38)		(33)
Purchases of nuclear plant decommissioning trust investments	(124)		(102)
Proceeds from the sale of nuclear plant decommissioning trust investments	112		92
Proceeds from receipt of grants	164		4
Net (increase) decrease in restricted cash and cash equivalents	(199)		9
Other investing activities	17		20
Net cash provided by (used in) investing activities	(344)
Net cash provided by (used in) investing activities			(351)
Cash Flows from Financing Activities
Retirement of long-term debt	(308)		(309)
Contributions from member	730		980
Distributions to member	(1,178)		(408)
Net increase (decrease) in short-term debt	590		(356)
Other financing activities	0		(1)
Net cash provided by (used in) financing activities	(166)
Net cash provided by (used in) financing activities			(94)
Net Increase (Decrease) in Cash and Cash Equivalents	(45)		138
Cash and Cash Equivalents at Beginning of Period	239		413
Cash and Cash Equivalents at End of Period	194		551
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	194	[1]	160	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	137		132
Amortization	13		13
Defined benefit plans - expense	10		16
Deferred income taxes and investment tax credits	65		103
Other	(20)		(7)
Change in current assets and current liabilities
Accounts receivable	(45)		(14)
Accounts payable	(25)		(42)
Unbilled revenues	40		34
Taxes payable	45		24
Other	4		(19)
Other operating activities
Defined benefit plans - funding	(20)		(88)
Other assets	8		6
Other liabilities	6		9
Net cash provided by (used in) operating activities	412		327
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(700)		(688)
Expenditures for intangible assets	(25)		(20)
Net (increase) decrease in notes receivable from affiliates	150		0
Other investing activities	13		11
Net cash provided by (used in) investing activities	(562)		(697)
Cash Flows from Financing Activities
Issuance of long-term debt	296		348
Retirement of long-term debt	(10)		0
Payment of common stock dividends to parent	(121)		(94)
Contributions from member	95		205
Net increase (decrease) in short-term debt	(20)		0
Other financing activities	(4)		(4)
Net cash provided by (used in) financing activities	236		455
Net Increase (Decrease) in Cash and Cash Equivalents	86		85
Cash and Cash Equivalents at Beginning of Period	25		140
Cash and Cash Equivalents at End of Period	111		225
LG And E And KU Energy LLC [Member]
Cash Flows from Operating Activities
Net income (loss)	271	[1]	260	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	262		249
Amortization	18		19
Defined benefit plans - expense	18		38
Deferred income taxes and investment tax credits	251		99
Other	11		6
Change in current assets and current liabilities
Accounts receivable	(31)		(78)
Accounts payable	7		34
Accounts payable to affiliates	(2)		1
Unbilled revenues	49		19
Fuel, materials and supplies	4		1
Taxes payable	5		83
Accrued interest	36		30
Other	(10)		0
Other operating activities
Defined benefit plans - funding	(43)		(159)
Settlement of interest rate swaps	0		98
Other assets	0		9
Other liabilities	5		14
Net cash provided by (used in) operating activities	851		723
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(843)		(891)
Net (increase) decrease in notes receivable from affiliates	70		0
Other investing activities	0		2
Net cash provided by (used in) investing activities	(773)		(889)
Cash Flows from Financing Activities
Contributions from member	139		146
Distributions to member	(327)		(116)
Debt issuance and credit facility costs	(3)		0
Net increase (decrease) in notes payable to affiliates	22		27
Net increase (decrease) in short-term debt	103		87
Net cash provided by (used in) financing activities	(66)		144
Net Increase (Decrease) in Cash and Cash Equivalents	12		(22)
Cash and Cash Equivalents at Beginning of Period	35		43
Cash and Cash Equivalents at End of Period	47		21
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	133	[2]	122	[2]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	116		110
Amortization	9		9
Defined benefit plans - expense	7		13
Deferred income taxes and investment tax credits	31		22
Other	(2)		10
Change in current assets and current liabilities
Accounts receivable	(8)		(20)
Accounts payable	8		18
Accounts payable to affiliates	(4)		7
Unbilled revenues	27		10
Fuel, materials and supplies	5		2
Taxes payable	10		32
Accrued interest	9		3
Other	1		9
Other operating activities
Defined benefit plans - funding	(12)		(45)
Settlement of interest rate swaps	0		49
Other assets	1		9
Other liabilities	(4)		2
Net cash provided by (used in) operating activities	327		362
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(422)		(376)
Net cash provided by (used in) investing activities	(422)		(376)
Cash Flows from Financing Activities
Contributions from parent	73		54
Payment of common stock dividends to parent	(83)		(67)
Debt issuance and credit facility costs	(1)		0
Net increase (decrease) in short-term debt	123		17
Net cash provided by (used in) financing activities	112		4
Net Increase (Decrease) in Cash and Cash Equivalents	17		(10)
Cash and Cash Equivalents at Beginning of Period	8		22
Cash and Cash Equivalents at End of Period	25		12
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	173	[1]	171	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	145		138
Amortization	8		9
Defined benefit plans - expense	4		16
Deferred income taxes and investment tax credits	129		73
Other	11		(3)
Change in current assets and current liabilities
Accounts receivable	(11)		(46)
Accounts payable	6		25
Accounts payable to affiliates	4		(9)
Unbilled revenues	22		9
Fuel, materials and supplies	(1)		(1)
Taxes payable	(12)		39
Accrued interest	18		15
Other	(8)		(3)
Other operating activities
Defined benefit plans - funding	(4)		(62)
Settlement of interest rate swaps	0		49
Other assets	(2)		(2)
Other liabilities	4		1
Net cash provided by (used in) operating activities	486		419
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(418)		(512)
Other investing activities	0		2
Net cash provided by (used in) investing activities	(418)		(510)
Cash Flows from Financing Activities
Contributions from parent	66		92
Payment of common stock dividends to parent	(112)		(83)
Debt issuance and credit facility costs	(1)		0
Net increase (decrease) in short-term debt	(20)		70
Net cash provided by (used in) financing activities	(67)		79
Net Increase (Decrease) in Cash and Cash Equivalents	1		(12)
Cash and Cash Equivalents at Beginning of Period	21		21
Cash and Cash Equivalents at End of Period	$ 22		$ 9

[1] Net income approximates comprehensive income.

[2] Net income equals comprehensive income.