Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Income (Loss)

The after-tax changes in AOCI by component for the years ended December 31 were as follows. 

				Unrealized gains (losses)									Defined benefit plans
	Foreign currency translation adjustments			Available- for-sale securities			Qualifying derivatives			Equity investees' AOCI			Prior service costs			Actuarial gain (loss)			Total
PPL
December 31, 2013	$	(11	)	$	172		$	94		$	1		$	(6	)	$	(1,815	)	$	(1,565	)
Amounts arising during the year	(275		)	35			(10		)	—			5			(509		)	(754		)
Reclassifications from AOCI	—			(6		)	(64		)	—			4			111			45
Net OCI during the year	(275		)	29			(74		)	—			9			(398		)	(709		)
December 31, 2014	$	(286	)	$	201		$	20		$	1		$	3		$	(2,213	)	$	(2,274	)
Amounts arising during the year	(234		)	8			26			—			(9		)	(366		)	(575		)
Reclassifications from AOCI	—			(2		)	2			(1		)	—			146			145
Net OCI during the year	(234		)	6			28			(1		)	(9		)	(220		)	(430		)
Distribution of PPL Energy Supply (See Note 8)	—			(207		)	(55		)	$	—		—			238			(24		)
December 31, 2015	$	(520	)	$	—		$	(7	)	$	—		$	(6	)	$	(2,195	)	$	(2,728	)
Amounts arising during the year	(1,107		)	—			91			—			(3		)	(61		)	(1,080		)
Reclassifications from AOCI	—			—			(91		)	(1		)	1			121			30
Net OCI during the year	(1,107		)	—			—			(1		)	(2		)	60			(1,050		)
December 31, 2016	$	(1,627	)	$	—		$	(7	)	$	(1	)	$	(8	)	$	(2,135	)	$	(3,778	)
LKE
December 31, 2013										$	1		$	(2	)	$	14		$	13
Amounts arising during the year										—			(7		)	(50		)	(57		)
Reclassifications from AOCI										(1		)	1			(1		)	(1		)
Net OCI during the year										(1		)	(6		)	(51		)	(58		)
December 31, 2014										$	—		$	(8	)	$	(37	)	$	(45	)
Amounts arising during the year										—			(3		)	(4		)	(7		)
Reclassifications from AOCI										—			1			5			6
Net OCI during the year										—			(2		)	1			(1		)
December 31, 2015										$	—		$	(10	)	$	(36	)	$	(46	)
Amounts arising during the year										—			—			(27		)	(27		)
Reclassifications from AOCI										(1		)	2			2			3
Net OCI during the year										(1		)	2			(25		)	(24		)
December 31, 2016										$	(1	)	$	(8	)	$	(61	)	$	(70	)

Reclassification out of Other Comprehensive Income (Loss)

The following table presents PPL's gains (losses) and related income taxes for reclassifications from AOCI for the years ended December 31, 2016 and 2015.

	PPL
Details about AOCI	2016			2015			Affected Line Item on the Statements of Income
Available-for-sale securities	$	—		$	4		Other Income (Expense) - net
Total Pre-tax	—			4
Income Taxes	—			(2		)
Total After-tax	—			2
Qualifying derivatives
Interest rate swaps	(7		)	(11		)	Interest Expense
	—			(77		)	Discontinued operations
Cross-currency swaps	116			49			Other Income (Expense) - net
	3			2			Interest Expense
Commodity contracts	—			20			Discontinued operations
Total Pre-tax	112			(17		)
Income Taxes	(21		)	15
Total After-tax	91			(2		)
Equity Investees' AOCI	1			1			Other Income (Expense) - net
Total Pre-tax	1			1
Income Taxes	—			—
Total After-tax	1			1
Defined benefit plans
Prior service costs	(2		)	—
Net actuarial loss	(156		)	(192		)
Total Pre-tax	(158		)	(192		)
Income Taxes	36			46
Total After-tax	(122		)	(146		)
Total reclassifications during the year	$	(30	)	$	(145	)

LG And E And KU Energy LLC [Member]

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Income (Loss)

The after-tax changes in AOCI by component for the years ended December 31 were as follows. 

				Unrealized gains (losses)									Defined benefit plans
	Foreign currency translation adjustments			Available- for-sale securities			Qualifying derivatives			Equity investees' AOCI			Prior service costs			Actuarial gain (loss)			Total
PPL
December 31, 2013	$	(11	)	$	172		$	94		$	1		$	(6	)	$	(1,815	)	$	(1,565	)
Amounts arising during the year	(275		)	35			(10		)	—			5			(509		)	(754		)
Reclassifications from AOCI	—			(6		)	(64		)	—			4			111			45
Net OCI during the year	(275		)	29			(74		)	—			9			(398		)	(709		)
December 31, 2014	$	(286	)	$	201		$	20		$	1		$	3		$	(2,213	)	$	(2,274	)
Amounts arising during the year	(234		)	8			26			—			(9		)	(366		)	(575		)
Reclassifications from AOCI	—			(2		)	2			(1		)	—			146			145
Net OCI during the year	(234		)	6			28			(1		)	(9		)	(220		)	(430		)
Distribution of PPL Energy Supply (See Note 8)	—			(207		)	(55		)	$	—		—			238			(24		)
December 31, 2015	$	(520	)	$	—		$	(7	)	$	—		$	(6	)	$	(2,195	)	$	(2,728	)
Amounts arising during the year	(1,107		)	—			91			—			(3		)	(61		)	(1,080		)
Reclassifications from AOCI	—			—			(91		)	(1		)	1			121			30
Net OCI during the year	(1,107		)	—			—			(1		)	(2		)	60			(1,050		)
December 31, 2016	$	(1,627	)	$	—		$	(7	)	$	(1	)	$	(8	)	$	(2,135	)	$	(3,778	)
LKE
December 31, 2013										$	1		$	(2	)	$	14		$	13
Amounts arising during the year										—			(7		)	(50		)	(57		)
Reclassifications from AOCI										(1		)	1			(1		)	(1		)
Net OCI during the year										(1		)	(6		)	(51		)	(58		)
December 31, 2014										$	—		$	(8	)	$	(37	)	$	(45	)
Amounts arising during the year										—			(3		)	(4		)	(7		)
Reclassifications from AOCI										—			1			5			6
Net OCI during the year										—			(2		)	1			(1		)
December 31, 2015										$	—		$	(10	)	$	(36	)	$	(46	)
Amounts arising during the year										—			—			(27		)	(27		)
Reclassifications from AOCI										(1		)	2			2			3
Net OCI during the year										(1		)	2			(25		)	(24		)
December 31, 2016										$	(1	)	$	(8	)	$	(61	)	$	(70	)