CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net Income		$ 1,437	$ 283
(Income) Loss from discontinued operations (net of income taxes)		0	915
Income from Continuing Operations After Income Taxes		1,437	1,198
Adjustments to reconcile Income from continuing operations (net of taxes) to net cash provided by operating activities - continuing operations
Depreciation		692	658
Amortization		54	46
Defined benefit plans - expense (income)		(29)	44
Deferred income taxes and investment tax credits		436	359
Unrealized (gains) losses on derivatives, and other hedging activities		107	(17)
Stock-based compensation expense		23	26
Other		(12)	9
Change in current assets and current liabilities
Accounts receivable		(29)	(5)
Accounts payable		(40)	(180)
Unbilled revenues		32	91
Fuel, materials and supplies		8	60
Prepayments		(34)	(43)
Taxes payable		40	(142)
Regulatory assets and liabilities		(32)	46
Other		(21)	(5)
Other operating activities
Defined benefit plans - funding		(345)	(396)
Settlement of interest rate swaps		0	(88)
Other assets		18	(42)
Other liabilities		(75)	69
Net cash provided by operating activities - continuing operations		2,230	1,688
Net cash provided by operating activities - discontinued operations		0	343
Net cash provided by operating activities		2,230	2,031
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(2,073)	(2,560)
Expenditures for intangible assets		(23)	(32)
Proceeds from the sale of other investments		2	136
Other investing activities		28	(7)
Net cash provided by (used in) investing activities - continuing operations		(2,066)	(2,463)
Net cash provided by (used in) investing activities - discontinued operations		0	(149)
Net cash provided by (used in) investing activities		(2,066)	(2,612)
Cash Flows from Financing Activities
Issuance of long-term debt		1,241	1,137
Retirement of long-term debt		(905)	0
Settlement of cross-currency swaps		46	0
Issuance of common stock		133	145
Payment of common stock dividends		(772)	(750)
Net increase (decrease) in short-term debt		(268)	(271)
Other financing activities		(33)	(30)
Net cash provided by (used in) financing activities - continuing operations		(558)	231
Net cash provided by (used in) financing activities - discontinued operations		0	(546)
Net cash distributions to parent from discontinued operations		0	132
Net cash provided by (used in) financing activities		(558)	(183)
Effect of Exchange Rates on Cash and Cash Equivalents		(26)	(6)
Net (Increase) Decrease in Cash and Cash Equivalents included in Discontinued Operations		0	(352)
Net Increase (Decrease) in Cash and Cash Equivalents		(420)	(418)
Cash and Cash Equivalents at Beginning of Period		836	1,399
Cash and Cash Equivalents at End of Period		416	981
PPL Electric Utilities Corp [Member]
Cash Flows from Operating Activities
Net Income	[1]	263	191
Adjustments to reconcile Income from continuing operations (net of taxes) to net cash provided by operating activities - continuing operations
Depreciation		185	158
Amortization		19	19
Defined benefit plans - expense (income)		9	13
Deferred income taxes and investment tax credits		151	127
Other		(14)	(9)
Change in current assets and current liabilities
Accounts receivable		(6)	18
Accounts payable		(1)	(140)
Unbilled revenues		10	28
Prepayments		29	(17)
Taxes payable		(6)	(50)
Regulatory assets and liabilities		(41)	46
Other		(13)	13
Other operating activities
Defined benefit plans - funding		0	(33)
Other assets		15	(6)
Other liabilities		(5)	15
Net cash provided by operating activities - continuing operations		595	373
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(739)	(758)
Expenditures for intangible assets		0	(9)
Other investing activities		(1)	3
Net cash provided by (used in) investing activities - continuing operations		(740)	(764)
Cash Flows from Financing Activities
Issuance of long-term debt		224	0
Retirement of long-term debt		(224)	0
Contributions from parent		200	275
Payment of common stock dividends to parent		(193)	(140)
Net increase (decrease) in short-term debt		130	68
Other financing activities		(3)	0
Net cash provided by (used in) financing activities - continuing operations		134	203
Cash and Cash Equivalents, Period Increase (Decrease)		(11)	(188)
Cash and Cash Equivalents at Beginning of Period		47	214
Cash and Cash Equivalents at End of Period		36	26
LG And E And KU Energy LLC [Member]
Cash Flows from Operating Activities
Net Income		337	297
Adjustments to reconcile Income from continuing operations (net of taxes) to net cash provided by operating activities - continuing operations
Depreciation		301	286
Amortization		21	18
Defined benefit plans - expense (income)		20	29
Deferred income taxes and investment tax credits		212	199
Other		0	29
Change in current assets and current liabilities
Accounts receivable		(43)	(1)
Accounts payable		7	(34)
Accounts payable to affiliates		4	(7)
Unbilled revenues		6	19
Fuel, materials and supplies		7	43
Income tax receivable		0	132
Accrued interest		42	37
Other		(4)	(2)
Other operating activities
Defined benefit plans - funding		(82)	(66)
Expenditures for asset retirement obligations		(15)	(5)
Settlement of interest rate swaps		0	(88)
Other assets		1	(4)
Other liabilities		2	13
Net cash provided by operating activities - continuing operations		816	895
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(600)	(928)
Other investing activities		1	7
Net cash provided by (used in) investing activities - continuing operations		(599)	(921)
Cash Flows from Financing Activities
Net increase (decrease) in notes payable with affiliate		84	21
Issuance of long-term debt		221	1,050
Retirement of long-term debt		(221)	0
Debt issuance and credit facility costs		(3)	(9)
Net increase (decrease) in short-term debt		(130)	(500)
Distributions to member		(224)	(157)
Contributions from member		37	55
Net cash provided by (used in) financing activities - continuing operations		(236)	460
Net Increase (Decrease) in Cash and Cash Equivalents		(19)	434
Cash and Cash Equivalents at Beginning of Period		30	21
Cash and Cash Equivalents at End of Period		11	455
Louisville Gas And Electric Co [Member]
Cash Flows from Operating Activities
Net Income	[1]	159	146
Adjustments to reconcile Income from continuing operations (net of taxes) to net cash provided by operating activities - continuing operations
Depreciation		126	122
Amortization		10	9
Defined benefit plans - expense (income)		6	10
Deferred income taxes and investment tax credits		117	93
Other		0	25
Change in current assets and current liabilities
Accounts receivable		(19)	10
Accounts receivable from affiliates		(11)	4
Accounts payable		24	(14)
Accounts payable to affiliates		(6)	(1)
Unbilled revenues		10	13
Fuel, materials and supplies		11	21
Income tax receivable		2	74
Accrued interest		13	9
Other		1	8
Other operating activities
Defined benefit plans - funding		(45)	(25)
Expenditures for asset retirement obligations		(11)	(4)
Settlement of interest rate swaps		0	(44)
Other assets		(3)	10
Other liabilities		(1)	3
Net cash provided by operating activities - continuing operations		383	469
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(343)	(519)
Net cash provided by (used in) investing activities - continuing operations		(343)	(519)
Cash Flows from Financing Activities
Issuance of long-term debt		125	550
Retirement of long-term debt		(125)	0
Contributions from parent		47	20
Debt issuance and credit facility costs		(1)	(5)
Payment of common stock dividends to parent		(87)	(81)
Net increase (decrease) in short-term debt		(14)	(264)
Net cash provided by (used in) financing activities - continuing operations		(55)	220
Net Increase (Decrease) in Cash and Cash Equivalents		(15)	170
Cash and Cash Equivalents at Beginning of Period		19	10
Cash and Cash Equivalents at End of Period		4	180
Kentucky Utilities Co [Member]
Cash Flows from Operating Activities
Net Income	[2]	207	189
Adjustments to reconcile Income from continuing operations (net of taxes) to net cash provided by operating activities - continuing operations
Depreciation		175	164
Amortization		10	8
Defined benefit plans - expense (income)		4	9
Deferred income taxes and investment tax credits		122	132
Other		(1)	4
Change in current assets and current liabilities
Accounts receivable		(24)	(11)
Accounts payable		(11)	(18)
Accounts payable to affiliates		2	(7)
Unbilled revenues		(4)	6
Fuel, materials and supplies		(4)	22
Income tax receivable		0	60
Accrued interest		22	19
Other		2	6
Other operating activities
Defined benefit plans - funding		(19)	(20)
Expenditures for asset retirement obligations		(4)	(1)
Settlement of interest rate swaps		0	(44)
Other assets		(4)	(9)
Other liabilities		(4)	1
Net cash provided by operating activities - continuing operations		469	510
Cash Flows from Investing Activities
Expenditures for property, plant and equipment		(255)	(407)
Other investing activities		1	7
Net cash provided by (used in) investing activities - continuing operations		(254)	(400)
Cash Flows from Financing Activities
Issuance of long-term debt		96	500
Retirement of long-term debt		(96)	0
Contributions from parent		20	0
Debt issuance and credit facility costs		(1)	(4)
Payment of common stock dividends to parent		(197)	(106)
Net increase (decrease) in short-term debt		(41)	(236)
Net cash provided by (used in) financing activities - continuing operations		(219)	154
Net Increase (Decrease) in Cash and Cash Equivalents		(4)	264
Cash and Cash Equivalents at Beginning of Period		11	11
Cash and Cash Equivalents at End of Period		$ 7	$ 275

[1] Net income equals comprehensive income.

[2] Net income approximates comprehensive income.