Defined Benefits (Tables)

6 Months Ended

Jun. 30, 2021

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule Of Net Periodic Defined Benefit Costs (Credits)

Following are the net periodic defined benefit costs (credits) of the plans sponsored by PPL and its subsidiaries for the periods ended June 30:

	Pension Benefits
	Three Months								Six Months
	U.S.				U.K. (a)				U.S.				U.K. (a)
	2021		2020		2021		2020		2021		2020		2021		2020
PPL
Service cost	$	15	$	15	$	31	$	21	$	28	$	28	$	56	$	44
Interest cost	29		36		33		35		61		74		62		71
Expected return on plan assets	(66)		(63)		(207)		(151)		(127)		(123)		(384)		(309)
Amortization of:
Prior service cost	2		2		—		—		4		4		—		—
Actuarial loss	24		24		62		52		49		44		116		106
Net periodic defined benefit costs (credits)	$	4	$	14	$	(81)	$	(43)	$	15	$	27	$	(150)	$	(88)

(a)    U.K. amounts are reflected in discontinued operations as the sale of the U.K. utility business was completed on June 14, 2021. See Note 9 for additional information on the sale of the U.K. utility business.

	Other Postretirement Benefits
	Three Months				Six Months
	2021		2020		2021		2020
PPL
Service cost	$	1	$	1	$	3	$	3
Interest cost	4		5		8		10
Expected return on plan assets	(7)		(6)		(12)		(11)
Amortization of:
Prior service cost	1		1		1		1
Net periodic defined benefit costs	$	(1)	$	1	$	—	$	3

PPL Electric Utilities Corp [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended June 30, PPL Services allocated the following net periodic defined benefit costs to PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU:

	Three Months				Six Months
	2021		2020		2021		2020
PPL Electric	$	2	$	3	$	2	$	6
LG&E	(2)		2		1		5
KU	(2)		—		(1)		1

Louisville Gas And Electric Co [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended June 30, PPL Services allocated the following net periodic defined benefit costs to PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU:

	Three Months				Six Months
	2021		2020		2021		2020
PPL Electric	$	2	$	3	$	2	$	6
LG&E	(2)		2		1		5
KU	(2)		—		(1)		1

Kentucky Utilities Co [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Allocation of Net Periodic Benefit Costs

For the periods ended June 30, PPL Services allocated the following net periodic defined benefit costs to PPL Electric, and LKE allocated the following net periodic defined benefit costs to LG&E and KU:

	Three Months				Six Months
	2021		2020		2021		2020
PPL Electric	$	2	$	3	$	2	$	6
LG&E	(2)		2		1		5
KU	(2)		—		(1)		1