Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2013

Accumulated Other Comprehensive Income Loss [Line Items]

Accumulated Other Comprehensive Income (Loss)

18. Accumulated Other Comprehensive Income (Loss)

(PPL, PPL Energy Supply, LKE and KU)

The after-tax changes in AOCI by component for the three and six months ended June 30, 2013 were as follows.

	Foreign		Unrealized gains (losses)						Defined benefit plans
	currency		Available-				Equity		Prior		Actuarial		Transition
	translation		for-sale		Qualifying		investees'		service		gain		asset
	adjustments		securities		derivatives		AOCI		costs		(loss)		(obligation)		Total
PPL
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
Amounts arising during the period		(7)		2		24										19
Reclassifications from AOCI				(1)		(36)				2		34				(1)
Net OCI during the period		(7)		1		(12)				2		34				18
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(252)		25		86										(141)
Reclassifications from AOCI				(2)		(116)				3		68				(47)
Net OCI during the period		(252)		23		(30)				3		68				(188)
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
PPL Energy Supply
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45
Amounts arising during the period				2												2
Reclassifications from AOCI				(1)		(37)				1		4				(33)
Net OCI during the period				1		(37)				1		4				(31)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				25												25
Reclassifications from AOCI				(2)		(67)				2		8				(59)
Net OCI during the period				23		(67)				2		8				(34)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the periods ended June 30, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the periods; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Three Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Interest rate swaps									$	(4)		(4)	$	2		(2)
	Cross-currency swaps								1		1		2				2
	Energy commodities	$	73	$	(14)	$	1						60		(24)		36
	Total	$	73	$	(14)	$	1	$	1	$	(3)		58		(22)		36
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(46)		12		(34)
	Total											$	(49)	$	13		(36)
Total reclassifications
	during the period															$	1
PPL Energy Supply
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Energy commodities	$	73	$	(14)	$	1						60	$	(23)		37
	Total	$	73	$	(14)	$	1						60		(23)		37
Defined benefit plans
	Prior service costs												(1)				(1)
	Net actuarial loss												(7)		3		(4)
	Total											$	(8)	$	3		(5)
Total reclassifications
	during the period															$	33
		Six Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Interest rate swaps									$	(9)		(9)		4		(5)
	Cross-currency swaps								70		1		71		(17)		54
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1	$	70	$	(8)		173		(57)		116
Defined benefit plans
	Prior service costs												(5)		2		(3)
	Net actuarial loss												(93)		25		(68)
	Total											$	(98)	$	27		(71)
Total reclassifications
	during the period															$	47
PPL Energy Supply
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1						111		(44)		67
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(13)		5		(8)
	Total											$	(16)	$	6		(10)
Total reclassifications
	during the period															$	59

For the three and six months ended June 30, 2013, the changes in AOCI and the effect of reclassifications from AOCI on the statement of income for LKE and KU were insignificant.

PPL Energy Supply LLC [Member]

Accumulated Other Comprehensive Income Loss [Line Items]

Accumulated Other Comprehensive Income (Loss)

18. Accumulated Other Comprehensive Income (Loss)

(PPL, PPL Energy Supply, LKE and KU)

The after-tax changes in AOCI by component for the three and six months ended June 30, 2013 were as follows.

	Foreign		Unrealized gains (losses)						Defined benefit plans
	currency		Available-				Equity		Prior		Actuarial		Transition
	translation		for-sale		Qualifying		investees'		service		gain		asset
	adjustments		securities		derivatives		AOCI		costs		(loss)		(obligation)		Total
PPL
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
Amounts arising during the period		(7)		2		24										19
Reclassifications from AOCI				(1)		(36)				2		34				(1)
Net OCI during the period		(7)		1		(12)				2		34				18
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(252)		25		86										(141)
Reclassifications from AOCI				(2)		(116)				3		68				(47)
Net OCI during the period		(252)		23		(30)				3		68				(188)
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
PPL Energy Supply
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45
Amounts arising during the period				2												2
Reclassifications from AOCI				(1)		(37)				1		4				(33)
Net OCI during the period				1		(37)				1		4				(31)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				25												25
Reclassifications from AOCI				(2)		(67)				2		8				(59)
Net OCI during the period				23		(67)				2		8				(34)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the periods ended June 30, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the periods; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Three Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Interest rate swaps									$	(4)		(4)	$	2		(2)
	Cross-currency swaps								1		1		2				2
	Energy commodities	$	73	$	(14)	$	1						60		(24)		36
	Total	$	73	$	(14)	$	1	$	1	$	(3)		58		(22)		36
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(46)		12		(34)
	Total											$	(49)	$	13		(36)
Total reclassifications
	during the period															$	1
PPL Energy Supply
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Energy commodities	$	73	$	(14)	$	1						60	$	(23)		37
	Total	$	73	$	(14)	$	1						60		(23)		37
Defined benefit plans
	Prior service costs												(1)				(1)
	Net actuarial loss												(7)		3		(4)
	Total											$	(8)	$	3		(5)
Total reclassifications
	during the period															$	33
		Six Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Interest rate swaps									$	(9)		(9)		4		(5)
	Cross-currency swaps								70		1		71		(17)		54
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1	$	70	$	(8)		173		(57)		116
Defined benefit plans
	Prior service costs												(5)		2		(3)
	Net actuarial loss												(93)		25		(68)
	Total											$	(98)	$	27		(71)
Total reclassifications
	during the period															$	47
PPL Energy Supply
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1						111		(44)		67
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(13)		5		(8)
	Total											$	(16)	$	6		(10)
Total reclassifications
	during the period															$	59

For the three and six months ended June 30, 2013, the changes in AOCI and the effect of reclassifications from AOCI on the statement of income for LKE and KU were insignificant.

LG And E And KU Energy LLC [Member]

Accumulated Other Comprehensive Income Loss [Line Items]

Accumulated Other Comprehensive Income (Loss)

18. Accumulated Other Comprehensive Income (Loss)

(PPL, PPL Energy Supply, LKE and KU)

The after-tax changes in AOCI by component for the three and six months ended June 30, 2013 were as follows.

	Foreign		Unrealized gains (losses)						Defined benefit plans
	currency		Available-				Equity		Prior		Actuarial		Transition
	translation		for-sale		Qualifying		investees'		service		gain		asset
	adjustments		securities		derivatives		AOCI		costs		(loss)		(obligation)		Total
PPL
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
Amounts arising during the period		(7)		2		24										19
Reclassifications from AOCI				(1)		(36)				2		34				(1)
Net OCI during the period		(7)		1		(12)				2		34				18
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(252)		25		86										(141)
Reclassifications from AOCI				(2)		(116)				3		68				(47)
Net OCI during the period		(252)		23		(30)				3		68				(188)
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
PPL Energy Supply
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45
Amounts arising during the period				2												2
Reclassifications from AOCI				(1)		(37)				1		4				(33)
Net OCI during the period				1		(37)				1		4				(31)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				25												25
Reclassifications from AOCI				(2)		(67)				2		8				(59)
Net OCI during the period				23		(67)				2		8				(34)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the periods ended June 30, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the periods; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Three Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Interest rate swaps									$	(4)		(4)	$	2		(2)
	Cross-currency swaps								1		1		2				2
	Energy commodities	$	73	$	(14)	$	1						60		(24)		36
	Total	$	73	$	(14)	$	1	$	1	$	(3)		58		(22)		36
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(46)		12		(34)
	Total											$	(49)	$	13		(36)
Total reclassifications
	during the period															$	1
PPL Energy Supply
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Energy commodities	$	73	$	(14)	$	1						60	$	(23)		37
	Total	$	73	$	(14)	$	1						60		(23)		37
Defined benefit plans
	Prior service costs												(1)				(1)
	Net actuarial loss												(7)		3		(4)
	Total											$	(8)	$	3		(5)
Total reclassifications
	during the period															$	33
		Six Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Interest rate swaps									$	(9)		(9)		4		(5)
	Cross-currency swaps								70		1		71		(17)		54
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1	$	70	$	(8)		173		(57)		116
Defined benefit plans
	Prior service costs												(5)		2		(3)
	Net actuarial loss												(93)		25		(68)
	Total											$	(98)	$	27		(71)
Total reclassifications
	during the period															$	47
PPL Energy Supply
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1						111		(44)		67
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(13)		5		(8)
	Total											$	(16)	$	6		(10)
Total reclassifications
	during the period															$	59

For the three and six months ended June 30, 2013, the changes in AOCI and the effect of reclassifications from AOCI on the statement of income for LKE and KU were insignificant.

Kentucky Utilities Co [Member]

Accumulated Other Comprehensive Income Loss [Line Items]

Accumulated Other Comprehensive Income (Loss)

18. Accumulated Other Comprehensive Income (Loss)

(PPL, PPL Energy Supply, LKE and KU)

The after-tax changes in AOCI by component for the three and six months ended June 30, 2013 were as follows.

	Foreign		Unrealized gains (losses)						Defined benefit plans
	currency		Available-				Equity		Prior		Actuarial		Transition
	translation		for-sale		Qualifying		investees'		service		gain		asset
	adjustments		securities		derivatives		AOCI		costs		(loss)		(obligation)		Total
PPL
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
Amounts arising during the period		(7)		2		24										19
Reclassifications from AOCI				(1)		(36)				2		34				(1)
Net OCI during the period		(7)		1		(12)				2		34				18
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(252)		25		86										(141)
Reclassifications from AOCI				(2)		(116)				3		68				(47)
Net OCI during the period		(252)		23		(30)				3		68				(188)
June 30, 2013	$	(401)	$	135	$	102	$	1	$	(11)	$	(1,955)	$	1	$	(2,128)
PPL Energy Supply
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45
Amounts arising during the period				2												2
Reclassifications from AOCI				(1)		(37)				1		4				(33)
Net OCI during the period				1		(37)				1		4				(31)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				25												25
Reclassifications from AOCI				(2)		(67)				2		8				(59)
Net OCI during the period				23		(67)				2		8				(34)
June 30, 2013			$	135	$	144			$	(8)	$	(257)			$	14

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the periods ended June 30, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the periods; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Three Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Interest rate swaps									$	(4)		(4)	$	2		(2)
	Cross-currency swaps								1		1		2				2
	Energy commodities	$	73	$	(14)	$	1						60		(24)		36
	Total	$	73	$	(14)	$	1	$	1	$	(3)		58		(22)		36
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(46)		12		(34)
	Total											$	(49)	$	13		(36)
Total reclassifications
	during the period															$	1
PPL Energy Supply
Available-for-sale securities								$	1			$	1			$	1
Qualifying derivatives
	Energy commodities	$	73	$	(14)	$	1						60	$	(23)		37
	Total	$	73	$	(14)	$	1						60		(23)		37
Defined benefit plans
	Prior service costs												(1)				(1)
	Net actuarial loss												(7)		3		(4)
	Total											$	(8)	$	3		(5)
Total reclassifications
	during the period															$	33
		Six Months
		Affected Line Item on the Statements of Income
								Other
		Wholesale						Income
		energy		Energy				(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		Depreciation		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Interest rate swaps									$	(9)		(9)		4		(5)
	Cross-currency swaps								70		1		71		(17)		54
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1	$	70	$	(8)		173		(57)		116
Defined benefit plans
	Prior service costs												(5)		2		(3)
	Net actuarial loss												(93)		25		(68)
	Total											$	(98)	$	27		(71)
Total reclassifications
	during the period															$	47
PPL Energy Supply
Available-for-sale securities								$	3			$	3	$	(1)	$	2
Qualifying derivatives
	Energy commodities	$	140	$	(30)	$	1						111		(44)		67
	Total	$	140	$	(30)	$	1						111		(44)		67
Defined benefit plans
	Prior service costs												(3)		1		(2)
	Net actuarial loss												(13)		5		(8)
	Total											$	(16)	$	6		(10)
Total reclassifications
	during the period															$	59

For the three and six months ended June 30, 2013, the changes in AOCI and the effect of reclassifications from AOCI on the statement of income for LKE and KU were insignificant.