Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2023

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss)

The after-tax changes in AOCI by component for the periods ended September 30 were as follows.

	Unrealized gains (losses)  on qualifying derivatives				Defined benefit plans
			Equity investees' AOCI		Prior service costs		Actuarial gain (loss)		Total
PPL
June 30, 2023	$	4	$	3	$	(4)	$	(140)	$	(137)
Amounts arising during the period	—		—		—		(6)		(6)
Reclassifications from AOCI	1		—		—		—		1
Net OCI during the period	1		—		—		(6)		(5)
September 30, 2023	$	5	$	3	$	(4)	$	(146)	$	(142)
December 31, 2022	$	3	$	2	$	(5)	$	(124)	$	(124)
Amounts arising during the period	—		1		—		(21)		(20)
Reclassifications from AOCI	2		—		1		(1)		2
Net OCI during the period	2		1		1		(22)		(18)
September 30, 2023	$	5	$	3	$	(4)	$	(146)	$	(142)
June 30, 2022	$	2	$	2	$	(6)	$	(122)	$	(124)
Amounts arising during the period	—		—		—		(10)		(10)
Reclassifications from AOCI	—		—		1		3		4
Net OCI during the period	—		—		1		(7)		(6)
September 30, 2022	$	2	$	2	$	(5)	$	(129)	$	(130)
December 31, 2021	$	1	$	—	$	(6)	$	(152)	$	(157)
Amounts arising during the period	—		2		(1)		11		12
Reclassifications from AOCI	1		—		2		12		15
Net OCI during the period	1		2		1		23		27
September 30, 2022	$	2	$	2	$	(5)	$	(129)	$	(130)

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 periods ended September 30.

	Three Months				Nine Months				Affected Line Item on the
Details about AOCI	2023		2022		2023		2022		Statements of Income
Qualifying derivatives
Interest rate swaps	$	(1)	$	—	$	(3)	$	(2)	Interest Expense
Total Pre-tax	(1)		—		(3)		(2)
Income Taxes	—		—		1		1
Total After-tax	(1)		—		(2)		(1)
Defined benefit plans
Prior service costs (a)	—		(2)		(1)		(3)
Net actuarial loss (a)	(1)		(5)		1		(17)
Total Pre-tax	(1)		(7)		—		(20)
Income Taxes	1		3		—		6
Total After-tax	—		(4)		—		(14)
Total reclassifications during the period	$	(1)	$	(4)	$	(2)	$	(15)

(a)    These AOCI components are included in the computation of net periodic defined benefit cost. See Note 9 for additional information.