CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Revenues
Operating Revenues		$ 7,517	$ 7,669	$ 7,852
Operation
Fuel		791	863	965
Energy purchases		706	855	924
Other operation and maintenance		1,745	1,938	1,856
Depreciation		926	883	923
Taxes, other than income		301	299	317
Total Operating Expenses		4,469	4,838	4,985
Operating Income		3,048	2,831	2,867
Other Income (Expense) - net		390	108	105
Interest Expense		888	871	843
Income Before Income Taxes		2,550	2,068	2,129
Income Taxes		648	465	692
Income from continuing operations (net of income taxes)		1,902	1,603	1,437
Income (Loss) from Discontinued Operations (net of income taxes)		0	(921)	300
Net income		$ 1,902	$ 682	$ 1,737
Income from Continuing Operations After Income Taxes Available to PPL Common Shareholders
Basic (in dollars per share)		$ 2.80	$ 2.38	$ 2.19
Diluted (in dollars per share)		2.79	2.37	2.16
Net Income Available to PPL Common Shareowners
Basic (in dollars per share)		2.80	1.01	2.64
Diluted (in dollars per share)		2.79	1.01	2.61
Dividends Declared Per Share of Common Stock		$ 1.52	$ 1.50	$ 1.49
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic		677,592	669,814	653,504
Diluted		680,446	672,586	665,973
PPL Electric Utilities Corp [Member]
Operating Revenues
Operating Revenues		$ 2,156	$ 2,124	$ 2,044
Operation
Energy purchases		535	657	587
Energy purchases from affiliate		0	14	84
Other operation and maintenance		599	607	543
Depreciation		253	214	185
Taxes, other than income		105	94	107
Total Operating Expenses		1,492	1,586	1,506
Operating Income		664	538	538
Other Income (Expense) - net		17	8	7
Interest Expense		129	130	122
Income Before Income Taxes		552	416	423
Income Taxes		212	164	160
Net income	[1]	340	252	263
LG And E And KU Energy LLC [Member]
Operating Revenues
Operating Revenues		3,141	3,115	3,168
Operation
Fuel		791	863	965
Energy purchases		171	184	253
Other operation and maintenance		804	837	815
Depreciation		404	382	354
Taxes, other than income		62	57	52
Total Operating Expenses		2,232	2,323	2,439
Operating Income		909	792	729
Other Income (Expense) - net		(9)	(8)	(9)
Interest Expense		197	178	167
Interest Expense with Affiliates		17	3	0
Income Before Income Taxes		686	603	553
Income Taxes		257	239	209
Net income		429	364	344
Louisville Gas And Electric Co [Member]
Operating Revenues
Retail and wholesale		1,406	1,407	1,445
Electric revenue from affiliates		24	37	88
Operating Revenues		1,430	1,444	1,533
Operation
Fuel		301	329	404
Energy purchases		153	166	230
Energy purchases from affiliate		14	20	14
Other operation and maintenance		355	377	379
Depreciation		170	162	157
Taxes, other than income		32	28	25
Total Operating Expenses		1,025	1,082	1,209
Operating Income		405	362	324
Other Income (Expense) - net		(5)	(6)	(3)
Interest Expense		71	57	49
Income Before Income Taxes		329	299	272
Income Taxes		126	114	103
Net income	[2]	203	185	169
Kentucky Utilities Co [Member]
Operating Revenues
Retail and wholesale		1,735	1,708	1,723
Electric revenue from affiliates		14	20	14
Operating Revenues		1,749	1,728	1,737
Operation
Fuel		490	534	561
Energy purchases		18	18	23
Energy purchases from affiliate		24	37	88
Other operation and maintenance		424	435	408
Depreciation		234	220	197
Taxes, other than income		30	29	27
Total Operating Expenses		1,220	1,273	1,304
Operating Income		529	455	433
Other Income (Expense) - net		(5)	1	(1)
Interest Expense		96	82	77
Income Before Income Taxes		428	374	355
Income Taxes		163	140	135
Net income	[3]	$ 265	$ 234	$ 220

[1] Net income equals comprehensive income.

[2] Net income equals comprehensive income.

[3] Net income approximates comprehensive income.