SCHEDULE I - CONDENSED UNCONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended																12 Months Ended
	Dec. 31, 2015	[1]	Sep. 30, 2015	[1]	Jun. 30, 2015	[1]	Mar. 31, 2015	[1]	Dec. 31, 2014	[1]	Sep. 30, 2014	[1]	Jun. 30, 2014	[1]	Mar. 31, 2014	[1]	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Revenues [Abstract]
Operating Revenues	$ 1,780		$ 1,878		$ 1,781		$ 2,230		$ 1,946		$ 1,879		$ 1,849		$ 2,178		$ 7,669	$ 7,852	$ 7,263
Operating Expenses [Abstract]
Other operation and maintenance																	1,938	1,856	1,810
Total Operating Expenses																	4,838	4,985	4,702
Operating Income (Loss)	617		686		638		890		700		688		678		801		2,831	2,867	2,561
Other Income (Expense) - net [Abstract]
Other Income (Expense) - net																	108	105	(55)
Interest Expense																	871	843	778
Income (Loss) Before Income Taxes																	2,068	2,129	1,728
Income Tax Expense (Benefit)																	465	692	360
Net income	$ 399		$ 393		$ (757)	[2]	$ 647		$ 695	[3]	$ 497		$ 229		$ 316		682	1,737	1,130
Comprehensive Income (Loss)																	$ 252	$ 1,028	$ 1,505
Net Income Available to PPL Corporation Common Shareowners: (in dollars per share)
Basic	$ 0.59	[4]	$ 0.58	[4]	$ (1.13)	[4]	$ 0.97	[4]	$ 1.04	[4]	$ 0.74	[4]	$ 0.35	[4]	$ 0.5	[4]	$ 1.01	$ 2.64	$ 1.85
Diluted	$ 0.59	[4]	$ 0.58	[4]	$ (1.13)	[4]	$ 0.96	[4]	$ 1.04	[4]	$ 0.74	[4]	$ 0.34	[4]	$ 0.49	[4]	$ 1.01	$ 2.61	$ 1.76
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic																	669,814	653,504	608,983
Diluted																	672,586	665,973	663,073
PPL Corp [Member]
Operating Revenues [Abstract]
Operating Revenues																	$ 0	$ 0	$ 0
Operating Expenses [Abstract]
Other operation and maintenance																	9	16	1
Total Operating Expenses																	9	16	1
Operating Income (Loss)																	(9)	(16)	(1)
Other Income (Expense) - net [Abstract]
Equity in earnings of subsidiaries																	711	1,776	1,171
Other income (expense)																	(15)	(18)	(13)
Other Income (Expense) - net																	696	1,758	1,158
Interest Expense																	9	15	21
Interest Expense with Affiliates																	10	10	29
Income (Loss) Before Income Taxes																	668	1,717	1,107
Income Tax Expense (Benefit)																	(14)	(20)	(23)
Net income																	682	1,737	1,130
Comprehensive Income (Loss)																	$ 252	$ 1,028	$ 1,505
Net Income Available to PPL Corporation Common Shareowners: (in dollars per share)
Basic																	$ 1.01	$ 2.64	$ 1.85
Diluted																	$ 1.01	$ 2.61	$ 1.76
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic																	669,814	653,504	608,983
Diluted																	672,586	665,973	663,073
L G And E And K U Energy L L C Unconsolidated [Member]
Other Income (Expense) - net [Abstract]
Equity in earnings of subsidiaries																	$ 390	$ 368	$ 376
Interest Income from Affiliates																	4	5	5
Interest Expense																	39	41	39
Interest Expense with Affiliates																	5	3	3
Income (Loss) Before Income Taxes																	350	329	339
Income Tax Expense (Benefit)																	(14)	(15)	(8)
Net income																	364	344	347
Comprehensive Income (Loss)																	$ 363	$ 286	$ 375

[1] Quarterly results can vary depending on, among other things, weather . Accordingly, comparisons among quarters of a year may not be indicative of overall tr ends and changes in operations.

[2] The second quarter of 2015 includes a loss of $879 million from the spinoff of PPL Energy Supply. See Note 8 to the Financial Statements for additional information.

[3] (f) The fourth quarter of 2014 includes a gain of $137 million (after-tax) from the sale of Hydroelectric generating facilities of PPL Montana. See Note 8 for additional information.

[4] The sum of the quarterly amounts may not equal annual earnings per share due to changes in the number of common shares outstanding during the year or rounding.