Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 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)

Effective January 1, 2013, PPL and its subsidiaries prospectively adopted accounting guidance issued to improve the reporting of reclassifications out of AOCI, as discussed in Note 2.

The after-tax changes in AOCI by component for the three months ended March 31, 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
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(245)		23		62										(160)
Reclassifications from AOCI				(1)		(80)				1		34				(46)
Net OCI during the period		(245)		22		(18)				1		34				(206)
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
PPL Energy Supply
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				23												23
Reclassifications from AOCI				(1)		(30)				1		4				(26)
Net OCI during the period				22		(30)				1		4				(3)
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the three months ended March 31, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the period; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Affected Line Item on the Statements of Income
						Other
		Wholesale				Income
		energy		Energy		(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Interest rate swaps							$	(5)		(5)		2		(3)
	Cross-currency swaps						69				69		(17)		52
	Energy Commodities	$	67	$	(16)						51		(20)		31
	Total	$	67	$	(16)	$	69	$	(5)		115		(35)		80
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(47)		13		(34)
	Total									$	(49)	$	14		(35)
Total reclassifications during the period														$	46
PPL Energy Supply
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Energy Commodities	$	67	$	(16)						51		(21)		30
	Total	$	67	$	(16)						51		(21)		30
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(6)		2		(4)
	Total									$	(8)	$	3		(5)
Total reclassifications during the period														$	26

For the three months ended March 31, 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)

Effective January 1, 2013, PPL and its subsidiaries prospectively adopted accounting guidance issued to improve the reporting of reclassifications out of AOCI, as discussed in Note 2.

The after-tax changes in AOCI by component for the three months ended March 31, 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
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(245)		23		62										(160)
Reclassifications from AOCI				(1)		(80)				1		34				(46)
Net OCI during the period		(245)		22		(18)				1		34				(206)
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
PPL Energy Supply
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				23												23
Reclassifications from AOCI				(1)		(30)				1		4				(26)
Net OCI during the period				22		(30)				1		4				(3)
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the three months ended March 31, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the period; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Affected Line Item on the Statements of Income
						Other
		Wholesale				Income
		energy		Energy		(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Interest rate swaps							$	(5)		(5)		2		(3)
	Cross-currency swaps						69				69		(17)		52
	Energy Commodities	$	67	$	(16)						51		(20)		31
	Total	$	67	$	(16)	$	69	$	(5)		115		(35)		80
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(47)		13		(34)
	Total									$	(49)	$	14		(35)
Total reclassifications during the period														$	46
PPL Energy Supply
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Energy Commodities	$	67	$	(16)						51		(21)		30
	Total	$	67	$	(16)						51		(21)		30
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(6)		2		(4)
	Total									$	(8)	$	3		(5)
Total reclassifications during the period														$	26

For the three months ended March 31, 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)

Effective January 1, 2013, PPL and its subsidiaries prospectively adopted accounting guidance issued to improve the reporting of reclassifications out of AOCI, as discussed in Note 2.

The after-tax changes in AOCI by component for the three months ended March 31, 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
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(245)		23		62										(160)
Reclassifications from AOCI				(1)		(80)				1		34				(46)
Net OCI during the period		(245)		22		(18)				1		34				(206)
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
PPL Energy Supply
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				23												23
Reclassifications from AOCI				(1)		(30)				1		4				(26)
Net OCI during the period				22		(30)				1		4				(3)
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the three months ended March 31, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the period; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Affected Line Item on the Statements of Income
						Other
		Wholesale				Income
		energy		Energy		(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Interest rate swaps							$	(5)		(5)		2		(3)
	Cross-currency swaps						69				69		(17)		52
	Energy Commodities	$	67	$	(16)						51		(20)		31
	Total	$	67	$	(16)	$	69	$	(5)		115		(35)		80
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(47)		13		(34)
	Total									$	(49)	$	14		(35)
Total reclassifications during the period														$	46
PPL Energy Supply
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Energy Commodities	$	67	$	(16)						51		(21)		30
	Total	$	67	$	(16)						51		(21)		30
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(6)		2		(4)
	Total									$	(8)	$	3		(5)
Total reclassifications during the period														$	26

For the three months ended March 31, 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)

Effective January 1, 2013, PPL and its subsidiaries prospectively adopted accounting guidance issued to improve the reporting of reclassifications out of AOCI, as discussed in Note 2.

The after-tax changes in AOCI by component for the three months ended March 31, 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
December 31, 2012	$	(149)	$	112	$	132	$	1	$	(14)	$	(2,023)	$	1	$	(1,940)
Amounts arising during the period		(245)		23		62										(160)
Reclassifications from AOCI				(1)		(80)				1		34				(46)
Net OCI during the period		(245)		22		(18)				1		34				(206)
March 31, 2013	$	(394)	$	134	$	114	$	1	$	(13)	$	(1,989)	$	1	$	(2,146)
PPL Energy Supply
December 31, 2012			$	112	$	211			$	(10)	$	(265)			$	48
Amounts arising during the period				23												23
Reclassifications from AOCI				(1)		(30)				1		4				(26)
Net OCI during the period				22		(30)				1		4				(3)
March 31, 2013			$	134	$	181			$	(9)	$	(261)			$	45

The following table presents the gains (losses) and related income taxes for reclassifications from AOCI for the three months ended March 31, 2013.The defined benefit plan components of AOCI are not reflected in their entirety in the statement of income during the period; rather, they are included in the computation of net periodic defined benefit costs (credits). See Note 9 for additional information.

		Affected Line Item on the Statements of Income
						Other
		Wholesale				Income
		energy		Energy		(Expense),		Interest		Total		Income		Total
Details about AOCI		marketing		purchases		net		Expense		Pre-tax		Taxes		After-tax
PPL
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Interest rate swaps							$	(5)		(5)		2		(3)
	Cross-currency swaps						69				69		(17)		52
	Energy Commodities	$	67	$	(16)						51		(20)		31
	Total	$	67	$	(16)	$	69	$	(5)		115		(35)		80
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(47)		13		(34)
	Total									$	(49)	$	14		(35)
Total reclassifications during the period														$	46
PPL Energy Supply
Available-for-sale securities						$	2			$	2	$	(1)	$	1
Qualifying derivatives
	Energy Commodities	$	67	$	(16)						51		(21)		30
	Total	$	67	$	(16)						51		(21)		30
Defined benefit plans
	Prior service costs										(2)		1		(1)
	Net actuarial loss										(6)		2		(4)
	Total									$	(8)	$	3		(5)
Total reclassifications during the period														$	26

For the three months ended March 31, 2013, the changes in AOCI and the effect of reclassifications from AOCI on the statement of income for LKE and KU were insignificant.