Financing Activities (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities

The following credit facilities were in place at:

	June 30, 2019									December 31, 2018
	Expiration Date	Capacity		Borrowed		Letters of Credit and Commercial Paper Issued		Unused Capacity		Borrowed		Letters of Credit and Commercial Paper Issued
PPL
U.K.
WPD plc
Syndicated Credit Facility (a)	Jan. 2023	£	210	£	158	£	—	£	52	£	157	£	—
WPD (South West)
Syndicated Credit Facility	July 2021	245		—		—		245		—		—
WPD (East Midlands)
Syndicated Credit Facility (b)	July 2021	300		81		—		219		38		—
WPD (West Midlands)
Syndicated Credit Facility (c)	July 2021	300		33		—		267		—		—
Uncommitted Credit Facilities		100		—		4		96		—		4
Total U.K. Credit Facilities (d)		£	1,155	£	272	£	4	£	879	£	195	£	4
U.S.
PPL Capital Funding
Syndicated Credit Facility	Jan. 2024	$	1,450	$	—	$	1,014	$	436	$	—	$	669
Bilateral Credit Facility	Mar. 2020	100		—		15		85		—		15
Total PPL Capital Funding Credit Facilities		$	1,550	$	—	$	1,029	$	521	$	—	$	684

	June 30, 2019									December 31, 2018
	Expiration Date	Capacity		Borrowed		Letters of Credit and Commercial Paper Issued		Unused Capacity		Borrowed		Letters of Credit and Commercial Paper Issued
PPL Electric
Syndicated Credit Facility	Jan. 2024	$	650	$	—	$	186	$	464	$	—	$	1
LG&E
Syndicated Credit Facility	Jan. 2024	$	500	$	—	$	96	$	404	$	—	$	279
Term Loan Credit Facility	Oct. 2019	—		—		—		—		200		—
Total LG&E Credit Facilities		$	500	$	—	$	96	$	404	$	200	$	279
KU
Syndicated Credit Facility	Jan. 2024	$	400	$	—	$	—	$	400	$	—	$	235
Letter of Credit Facility	Oct. 2020	198		—		198		—		—		198
Total KU Credit Facilities		$	598	$	—	$	198	$	400	$	—	$	433

(a) The amounts borrowed at June 30, 2019 and December 31, 2018 were USD-denominated borrowings of $200 million for both periods, which bore interest at 3.25% and 3.17%.

(b) The amounts borrowed at June 30, 2019 and December 31, 2018 were GBP-denominated borrowings which equated to $102 million and $48 million and bore interest at 1.13% and 1.12%.

(c) The amount borrowed at June 30, 2019 was GBP-denominated borrowings which equated to $41 million and bore interest at 1.13%.

(d) At June 30, 2019, the unused capacity under the U.K. credit facilities was $1.1 billion.

Schedule of Short-term Debt

The following commercial paper programs were in place at:

	June 30, 2019							December 31, 2018
	Weighted - Average Interest Rate	Capacity		Commercial Paper Issuances		Unused Capacity		Weighted - Average Interest Rate	Commercial Paper Issuances
PPL Capital Funding	2.74%	$	1,500	$	1,014	$	486	2.82%	$	669
PPL Electric	2.59%	650		185		465			—
LG&E	2.59%	350		96		254		2.94%	279
KU		350		—		350		2.94%	235
Total		$	2,850	$	1,295	$	1,555		$	1,183