Segment and Related Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment and Related Information [Abstract]

Segment and Related Information

Financial data for the segments are:

Income Statement Data			2015		2014		2013
Operating Revenues from external customers (a)
		U.K. Regulated	$	2,410	$	2,621	$	2,403
		Kentucky Regulated		3,115		3,168		2,976
		Pennsylvania Regulated		2,124		2,044		1,870
		Corporate and Other		20		19		14
Total			$	7,669	$	7,852	$	7,263
Depreciation
		U.K. Regulated	$	242	$	337	$	300
		Kentucky Regulated		382		354		334
		Pennsylvania Regulated		214		185		178
		Corporate and Other		45		47		31
Total			$	883	$	923	$	843
Amortization (b)
		U.K. Regulated	$	6	$	17	$	19
		Kentucky Regulated		27		25		22
		Pennsylvania Regulated		26		19		19
		Corporate and Other				4		6
Total			$	59	$	65	$	66
Unrealized (gains) losses on derivatives and other hedging activities (c)
		U.K. Regulated	$	(88)	$	(199)	$	44
		Kentucky Regulated		11		12		12
Total			$	(77)	$	(187)	$	56
Interest Expense
		U.K. Regulated	$	417	$	461	$	425
		Kentucky Regulated		232		219		212
		Pennsylvania Regulated		130		122		108
		Corporate and Other		92		41		33
Total			$	871	$	843	$	778
Income from Continuing Operations Before Income Taxes
		U.K. Regulated	$	1,249	$	1,311	$	993
		Kentucky Regulated		547		501		484
		Pennsylvania Regulated		416		423		317
		Corporate and Other (d)		(144)		(106)		(66)
Total			$	2,068	$	2,129	$	1,728
Income Taxes (e)
		U.K. Regulated	$	128	$	329	$	71
		Kentucky Regulated		221		189		179
		Pennsylvania Regulated		164		160		108
		Corporate and Other (d)		(48)		14		2
Total			$	465	$	692	$	360
Deferred income taxes and investment tax credits (f)
		U.K. Regulated	$	45	$	94	$	(45)
		Kentucky Regulated		236		449		254
		Pennsylvania Regulated		220		87		127
		Corporate and Other (d)		(73)		36		51
Total			$	428	$	666	$	387
Net Income
		U.K. Regulated	$	1,121	$	982	$	922
		Kentucky Regulated		326		312		307
		Pennsylvania Regulated		252		263		209
		Corporate and Other (d)		(96)		(120)		(68)
		Discontinued Operations (g)		(921)		300		(240)
	Total		$	682	$	1,737	$	1,130
Cash Flow Data				2015		2014		2013
Expenditures for long-lived assets
		U.K. Regulated	$	1,242	$	1,438	$	1,280
		Kentucky Regulated		1,210		1,262		1,434
		Pennsylvania Regulated		1,107		957		942
		Corporate and Other		11		66		26
Total			$	3,570	$	3,723	$	3,682

		As of December 31,
		2015		2014
Balance Sheet Data
Total Assets
	U.K. Regulated	$	16,669	$	15,944
	Kentucky Regulated		13,756		13,022
	Pennsylvania Regulated		8,511		7,706
	Corporate and Other (h)		365		909
	Discontinued Operations				11,025
Total		$	39,301	$	48,606

(a)See Note 1 for additional information on Operating Revenues.

(b)Represents non-cash expense items that include amortization of regulatory assets, debt discounts and premiums, debt issuance costs, emission allowances and RECs.

(c)Includes unrealized gains and losses from economic activity. See Note 17 for additional information.

(d)2015 and 2014 include certain costs related to the spinoff of PPL Energy Supply, including deferred income tax expense, transition costs and separation benefits for PPL Services employees. See Note 8 for additional information.

(e)Represents both current and deferred income taxes, including investment tax credits.

(f)Represents a non-cash expense item that is also included in "Income Taxes.”

(g)2015 includes an $879 million loss on the spinoff of PPL Energy Supply and five months of Supply segment earnings. 2014 includes a gain of $237 million ($137 million after-tax) on the sale of the Montana hydroelectric generating facilities. 2013 includes a charge of $697 million ($413 million after-tax) for the termination of the lease of the Colstrip coal-fired electric generating facility. See Note 8 for additional information on these transactions.

(h)Primarily consists of unallocated items, including cash, PP&E and the elimination of inter-segment transactions.

Geographic Data

Financial data for the segments are:

		2015		2014		2013
Geographic Data
Revenues from external customers
	U.K.	$	2,410	$	2,621	$	2,403
	U.S.		5,259		5,231		4,860
Total		$	7,669	$	7,852	$	7,263

Long-lived Assets

Financial data for the segments are:

		As of December 31,
		2015		2014
Long-Lived Assets
	U.K.	$	12,487	$	11,942
	U.S.		18,569		16,890
Total		$	31,056	$	28,832