Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2020

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:

					Defined benefit plans (b)
	Foreign currency translation adjustments (a)		Unrealized gains (losses) on qualifying derivatives		Prior service costs		Actuarial gain (loss)		Total
PPL
December 31, 2017	$	(1,089)	$	(13)	$	(7)	$	(2,313)	$	(3,422)
Amounts arising during the year	(444)		36		(11)		(187)		(606)
Reclassifications from AOCI	—		(29)		2		142		115
Net OCI during the year	(444)		7		(9)		(45)		(491)
Adoption of reclassification of certain tax effects from AOCI guidance cumulative effect adjustment	$	—	$	(1)	$	(3)	$	(47)	(51)

					Defined benefit plans (b)
	Foreign currency translation adjustments (a)		Unrealized gains (losses) on qualifying derivatives		Prior service costs		Actuarial gain (loss)		Total
December 31, 2018	$	(1,533)	$	(7)	$	(19)	$	(2,405)	$	(3,964)
Amounts arising during the year	108		(11)		(1)		(592)		(496)
Reclassifications from AOCI	—		13		2		87		102
Net OCI during the year	108		2		1		(505)		(394)
December 31, 2019	$	(1,425)	$	(5)	$	(18)	$	(2,910)	$	(4,358)
Amounts arising during the year	267		(19)		(1)		(341)		(94)
Reclassifications from AOCI	—		24		3		205		232
Net OCI during the year	267		5		2		(136)		138
December 31, 2020	$	(1,158)	$	—	$	(16)	$	(3,046)	$	(4,220)
LKE
December 31, 2017					$	(9)	$	(79)	$	(88)
Amounts arising during the year					—		7		7
Reclassifications from AOCI					2		8		10
Net OCI during the year					2		15		17
Adoption of reclassification of certain tax effects from AOCI guidance cumulative effect adjustment (Note 1)					(2)		(16)		(18)
December 31, 2018					$	(9)	$	(80)	$	(89)
Amounts arising during the year					(1)		(6)		(7)
Reclassifications from AOCI					1		2		3
Net OCI during the year					—		(4)		(4)
December 31, 2019					$	(9)	$	(84)	$	(93)
Amounts arising during the year					(1)		(7)		(8)
Reclassifications from AOCI					2		13		15
Net OCI during the year					1		6		7
December 31, 2020					$	(8)	$	(78)	$	(86)

(a)    Amounts relate to the operations of WPD.

(b)    For PPL, substantially all of the amounts relate to WPD's pension plans. At December 31, 2020, the combined accumulated other comprehensive loss related to these plans was $2.9 billion.

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, 2020, 2019 and 2018.

	PPL
Details about AOCI	2020		2019		2018		Affected Line Item on the Statements of Income
Qualifying derivatives
Interest rate swaps	$	(10)	$	(9)	$	(8)	Interest Expense
Cross-currency swaps	(22)		(9)		42		Other Income (Expense) - net
	—		—		1		Interest Expense
Total Pre-tax	(32)		(18)		35
Income Taxes	8		5		(6)
Total After-tax	(24)		(13)		29
Defined benefit plans
Prior service costs	(4)		(3)		(2)
Net actuarial loss	(256)		(109)		(178)
Total Pre-tax	(260)		(112)		(180)
Income Taxes	52		23		36
Total After-tax	(208)		(89)		(144)
Total reclassifications during the year	$	(232)	$	(102)	$	(115)

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:

					Defined benefit plans (b)
	Foreign currency translation adjustments (a)		Unrealized gains (losses) on qualifying derivatives		Prior service costs		Actuarial gain (loss)		Total
PPL
December 31, 2017	$	(1,089)	$	(13)	$	(7)	$	(2,313)	$	(3,422)
Amounts arising during the year	(444)		36		(11)		(187)		(606)
Reclassifications from AOCI	—		(29)		2		142		115
Net OCI during the year	(444)		7		(9)		(45)		(491)
Adoption of reclassification of certain tax effects from AOCI guidance cumulative effect adjustment	$	—	$	(1)	$	(3)	$	(47)	(51)

					Defined benefit plans (b)
	Foreign currency translation adjustments (a)		Unrealized gains (losses) on qualifying derivatives		Prior service costs		Actuarial gain (loss)		Total
December 31, 2018	$	(1,533)	$	(7)	$	(19)	$	(2,405)	$	(3,964)
Amounts arising during the year	108		(11)		(1)		(592)		(496)
Reclassifications from AOCI	—		13		2		87		102
Net OCI during the year	108		2		1		(505)		(394)
December 31, 2019	$	(1,425)	$	(5)	$	(18)	$	(2,910)	$	(4,358)
Amounts arising during the year	267		(19)		(1)		(341)		(94)
Reclassifications from AOCI	—		24		3		205		232
Net OCI during the year	267		5		2		(136)		138
December 31, 2020	$	(1,158)	$	—	$	(16)	$	(3,046)	$	(4,220)
LKE
December 31, 2017					$	(9)	$	(79)	$	(88)
Amounts arising during the year					—		7		7
Reclassifications from AOCI					2		8		10
Net OCI during the year					2		15		17
Adoption of reclassification of certain tax effects from AOCI guidance cumulative effect adjustment (Note 1)					(2)		(16)		(18)
December 31, 2018					$	(9)	$	(80)	$	(89)
Amounts arising during the year					(1)		(6)		(7)
Reclassifications from AOCI					1		2		3
Net OCI during the year					—		(4)		(4)
December 31, 2019					$	(9)	$	(84)	$	(93)
Amounts arising during the year					(1)		(7)		(8)
Reclassifications from AOCI					2		13		15
Net OCI during the year					1		6		7
December 31, 2020					$	(8)	$	(78)	$	(86)

(a)    Amounts relate to the operations of WPD.

(b)    For PPL, substantially all of the amounts relate to WPD's pension plans. At December 31, 2020, the combined accumulated other comprehensive loss related to these plans was $2.9 billion.