CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Cash Flows from Operating Activities
Net income (loss)	$ 545		$ 818
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	617		570
Amortization	112		113
Defined benefit plans - expense	59		91
Deferred income taxes and investment tax credits	133		291
Unrealized (gains) losses on derivatives, and other hedging activities	301		(11)
Adjustment to WPD line loss accrual	65		24
Other	51		26
Change in current assets and current liabilities
Accounts receivable	(73)		(189)
Accounts payable	(99)		(75)
Unbilled revenues	161		144
Fuel, materials and supplies	52		29
Prepayments	(35)		(64)
Counterparty collateral	(15)		(61)
Taxes payable	51		128
Uncertain tax positions			(98)
Accrued interest	(107)		(119)
Other	(82)		(142)
Other operating activities
Defined benefit plans - funding	(218)		(468)
Other assets	1		(64)
Other liabilities	64		4
Net cash provided by (used in) operating activities	1,583		947
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(1,854)		(1,797)
Expenditures for intangible assets	(48)		(40)
Purchases of nuclear plant decommissioning trust investments	(73)		(66)
Proceeds from the sale of nuclear plant decommissioning trust investments	65		59
Proceeds from receipt of grants	56		4
Net (increase) decrease in restricted cash and cash equivalents	(251)		(17)
Other investing activities	2		23
Net cash provided by (used in) investing activities	(2,103)		(1,834)
Cash Flows from Financing Activities
Issuance of long-term debt	296		450
Retirement of long-term debt	(239)		(9)
Repurchase of common stock			(28)
Issuance of common stock	1,017		259
Payment of common stock dividends	(470)		(426)
Contract adjustment payments	(21)		(48)
Net increase (decrease) in short-term debt	107		563
Other financing activities	(19)		(51)
Net cash provided by (used in) financing activities	671		710
Effect of Exchange Rates on Cash and Cash Equivalents	16		(13)
Net Increase (Decrease) in Cash and Cash Equivalents	167		(190)
Cash and Cash Equivalents at Beginning of Period	1,102		901
Cash and Cash Equivalents at End of Period	1,269		711
PPL Energy Supply LLC [Member]
Cash Flows from Operating Activities
Net income (loss)	(53)		48
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	162		157
Amortization	77		71
Defined benefit plans - expense	32		26
Deferred income taxes and investment tax credits	(120)		98
Impairment of assets	18
Unrealized (gains) losses on derivatives, and other hedging activities	232		91
Other	10		5
Change in current assets and current liabilities
Accounts receivable	25		6
Accounts payable	(55)		(62)
Unbilled revenues	67		96
Prepayments	(16)		(67)
Counterparty collateral	(15)		(61)
Price risk management assets and liabilities	(33)		(2)
Other	(20)		(15)
Other operating activities
Defined benefit plans - funding	(32)		(106)
Other assets	(1)		(38)
Other liabilities	12		(20)
Net cash provided by (used in) operating activities	290		227
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(176)		(241)
Expenditures for intangible assets	(24)		(23)
Purchases of nuclear plant decommissioning trust investments	(73)		(66)
Proceeds from the sale of nuclear plant decommissioning trust investments	65		59
Proceeds from receipt of grants	56		3
Net (increase) decrease in restricted cash and cash equivalents	(258)		(24)
Other investing activities	7		10
Net cash provided by (used in) investing activities	(403)		(282)
Cash Flows from Financing Activities
Contributions from member	730		105
Distributions to member	(914)		(408)
Net increase (decrease) in short-term debt	324		219
Other financing activities	(2)		(9)
Net cash provided by (used in) financing activities	138		(93)
Net Increase (Decrease) in Cash and Cash Equivalents	25		(148)
Cash and Cash Equivalents at Beginning of Period	239		413
Cash and Cash Equivalents at End of Period	264		265
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net income (loss)	137	[1]	109	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	90		87
Amortization	9		10
Defined benefit plans - expense	11		10
Deferred income taxes and investment tax credits	44		81
Other	(17)		(5)
Change in current assets and current liabilities
Accounts receivable	(80)		(56)
Accounts payable	(33)		(37)
Unbilled revenues	34		36
Prepayments	(40)		(18)
Taxes payable	8		18
Other	2		(38)
Other operating activities
Defined benefit plans - funding	(19)		(88)
Other assets	5
Other liabilities	(3)		6
Net cash provided by (used in) operating activities	148		115
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(436)		(451)
Expenditures for intangible assets	(22)		(13)
Net (increase) decrease in notes receivable from affiliates	150
Other investing activities	13		9
Net cash provided by (used in) investing activities	(295)		(455)
Cash Flows from Financing Activities
Issuance of long-term debt	296
Retirement of long-term debt	(10)
Contributions from parent	95		205
Payment of common stock dividends to parent	(87)		(66)
Net increase (decrease) in short-term debt	(20)		85
Other financing activities	(3)
Net cash provided by (used in) financing activities	271		224
Net Increase (Decrease) in Cash and Cash Equivalents	124		(116)
Cash and Cash Equivalents at Beginning of Period	25		140
Cash and Cash Equivalents at End of Period	149		24
LG And E And KU Energy LLC [Member]
Cash Flows from Operating Activities
Net income (loss)	180	[1]	160	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	173		165
Amortization	12		14
Defined benefit plans - expense	12		27
Deferred income taxes and investment tax credits	149		95
Other	1		(6)
Change in current assets and current liabilities
Accounts receivable	(24)		(62)
Accounts payable	(5)		36
Accounts payable to affiliates	(2)
Unbilled revenues	27		(2)
Fuel, materials and supplies	43		25
Taxes payable	(10)
Other	1		2
Other operating activities
Defined benefit plans - funding	(40)		(156)
Other assets	(3)		(3)
Other liabilities	2		2
Net cash provided by (used in) operating activities	516		297
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(556)		(579)
Net (increase) decrease in notes receivable from affiliates	54
Net (increase) decrease in restricted cash and cash equivalents	1		10
Other investing activities			1
Net cash provided by (used in) investing activities	(501)		(568)
Cash Flows from Financing Activities
Contributions from member	119		146
Distributions to member	(221)		(69)
Net increase (decrease) in notes payable to affiliates			47
Net increase (decrease) in short-term debt	75		127
Net cash provided by (used in) financing activities	(27)		251
Net Increase (Decrease) in Cash and Cash Equivalents	(12)		(20)
Cash and Cash Equivalents at Beginning of Period	35		43
Cash and Cash Equivalents at End of Period	23		23
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net income (loss)	87	[2]	73	[2]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	77		73
Amortization	6		6
Defined benefit plans - expense	5		9
Deferred income taxes and investment tax credits	20		21
Other	(4)
Change in current assets and current liabilities
Accounts receivable	(25)		(9)
Accounts payable	(5)		13
Accounts payable to affiliates	(4)		(2)
Unbilled revenues	19		2
Fuel, materials and supplies	44		25
Taxes payable	2		12
Other	(4)		6
Other operating activities
Defined benefit plans - funding	(10)		(44)
Other assets	(2)		(1)
Other liabilities	(4)		2
Net cash provided by (used in) operating activities	202		186
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(249)		(236)
Net (increase) decrease in restricted cash and cash equivalents	1		10
Net cash provided by (used in) investing activities	(248)		(226)
Cash Flows from Financing Activities
Contributions from parent	53		54
Payment of common stock dividends to parent	(60)		(48)
Net increase (decrease) in short-term debt	50		25
Net cash provided by (used in) financing activities	43		31
Net Increase (Decrease) in Cash and Cash Equivalents	(3)		(9)
Cash and Cash Equivalents at Beginning of Period	8		22
Cash and Cash Equivalents at End of Period	5		13
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net income (loss)	117	[1]	108	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	95		92
Amortization	4		7
Defined benefit plans - expense	2		12
Deferred income taxes and investment tax credits	89		72
Other	5		(2)
Change in current assets and current liabilities
Accounts receivable	(44)		(39)
Accounts payable	10		33
Accounts payable to affiliates	13		(7)
Unbilled revenues	8		(4)
Fuel, materials and supplies	(1)
Taxes payable	(19)		(10)
Other	16		5
Other operating activities
Defined benefit plans - funding	(3)		(61)
Other assets	(1)		(3)
Other liabilities	6		(13)
Net cash provided by (used in) operating activities	297		190
Cash Flows from Investing Activities
Expenditures for property, plant and equipment	(305)		(341)
Other investing activities			1
Net cash provided by (used in) investing activities	(305)		(340)
Cash Flows from Financing Activities
Contributions from parent	66		92
Payment of common stock dividends to parent	(86)		(55)
Net increase (decrease) in short-term debt	25		102
Net cash provided by (used in) financing activities	5		139
Net Increase (Decrease) in Cash and Cash Equivalents	(3)		(11)
Cash and Cash Equivalents at Beginning of Period	21		21
Cash and Cash Equivalents at End of Period	$ 18		$ 10

[1] Net income approximates comprehensive income.

[2] Net income equals comprehensive income.