CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Operating Revenues
Operating Revenues		$ 2,126	$ 1,951
Operation
Fuel		214	191
Energy purchases		241	215
Other operation and maintenance		468	470
Depreciation		269	242
Taxes, other than income		83	75
Total Operating Expenses		1,275	1,193
Operating Income		851	758
Other Income (Expense) - net		(43)	(9)
Interest Expense		239	217
Income Before Income Taxes		569	532
Income Taxes		117	129
Net Income		$ 452	$ 403
Net Income:
Basic (in dollars per share)		$ 0.65	$ 0.59
Diluted (in dollars per share)		0.65	0.59
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.41	$ 0.395
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic (in shares)		694,514	680,882
Diluted (in shares)		695,322	683,084
PPL Electric Utilities Corp [Member]
Operating Revenues
Operating Revenues		$ 639	$ 573
Operation
Energy purchases		161	146
Other operation and maintenance		133	163
Depreciation		85	75
Taxes, other than income		32	29
Total Operating Expenses		411	413
Operating Income		228	160
Other Income (Expense) - net		6	0
Interest Expense		37	33
Income Before Income Taxes		197	127
Income Taxes		49	48
Net Income	[1]	148	79
LG And E And KU Energy LLC [Member]
Operating Revenues
Operating Revenues		872	809
Operation
Fuel		214	191
Energy purchases		80	69
Other operation and maintenance		205	205
Depreciation		117	105
Taxes, other than income		17	16
Total Operating Expenses		633	586
Operating Income		239	223
Other Income (Expense) - net		(3)	(4)
Interest Expense		50	49
Interest Expense with Affiliate		5	4
Income Before Income Taxes		181	166
Income Taxes		39	63
Net Income	[2]	142	103
Louisville Gas And Electric Co [Member]
Operating Revenues
Retail and wholesale		407	374
Electric revenue from affiliate		12	17
Operating Revenues		419	391
Operation
Fuel		79	80
Energy purchases		76	64
Energy purchases from affiliate		6	2
Other operation and maintenance		89	85
Depreciation		48	44
Taxes, other than income		9	8
Total Operating Expenses		307	283
Operating Income		112	108
Other Income (Expense) - net		(1)	(4)
Interest Expense		18	17
Income Before Income Taxes		93	87
Income Taxes		21	33
Net Income	[1]	72	54
Kentucky Utilities Co [Member]
Operating Revenues
Retail and wholesale		465	435
Electric revenue from affiliate		6	2
Operating Revenues		471	437
Operation
Fuel		135	111
Energy purchases		4	5
Energy purchases from affiliate		12	17
Other operation and maintenance		105	108
Depreciation		68	60
Taxes, other than income		8	8
Total Operating Expenses		332	309
Operating Income		139	128
Other Income (Expense) - net		(3)	(2)
Interest Expense		25	24
Income Before Income Taxes		111	102
Income Taxes		24	39
Net Income	[2]	$ 87	$ 63

[1] Net income equals comprehensive income.

[2] Net income approximates comprehensive income.