Financing Activities (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities

The following credit facilities were in place at: 

	March 31, 2017									December 31, 2016
	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. 2022	£	210	£	161	£	—	£	49	£	160	£	—
Term Loan Facility (b)	Dec. 2017	230		230		—		—		—		—
WPD (South West)
Syndicated Credit Facility (c)	July 2021	245		72		—		173		110		—
WPD (East Midlands)
Syndicated Credit Facility (d)	July 2021	300		128		—		172		9		—
WPD (West Midlands)
Syndicated Credit Facility	July 2021	300		—		—		300		—		—
Uncommitted Credit Facilities (e)		90		—		4		86		60		4
Total U.K. Credit Facilities (f)		£	1,375	£	591	£	4	£	780	£	339	£	4
U.S.
PPL Capital Funding
Syndicated Credit Facility	Jan. 2022	$	950	$	—	$	189	$	761	$	—	$	20
Syndicated Credit Facility	Nov. 2018	300		—		—		300		—		—
Bilateral Credit Facility	Mar. 2018	150		—		17		133		—		17
Total PPL Capital Funding Credit Facilities		$	1,400	$	—	$	206	$	1,194	$	—	$	37

	March 31, 2017									December 31, 2016
	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. 2022	$	650	$	—	$	500	$	150	$	—	$	296
LKE
Syndicated Credit Facility	Oct. 2018	$	75	$	—	$	—	$	75	$	—	$	—
LG&E
Syndicated Credit Facility	Jan. 2022	$	500	$	—	$	207	$	293	$	—	$	169
KU
Syndicated Credit Facility	Jan. 2022	$	400	$	—	$	36	$	364	$	—	$	16
Letter of Credit Facility	Oct. 2017	198		—		198		—		—		198
Total KU Credit Facilities		$	598	$	—	$	234	$	364	$	—	$	214

(a) The amounts borrowed at March 31, 2017 and December 31, 2016 were USD-denominated borrowings of $200 million for both periods, which bore interest at 1.61% and 1.43%. The unused capacity reflects the amount borrowed in GBP of £161 million as of the date borrowed.

(b) The amount borrowed at March 31, 2017 was a GBP-denominated borrowing which equated to $286 million and bore interest at 1.51%.

(c) The amounts borrowed at March 31, 2017 and December 31, 2016 were GBP-denominated borrowings which equated to $90 million and $137 million and bore interest at 0.66% for both periods.

(d) The amounts borrowed at March 31, 2017 and December 31, 2016 were GBP-denominated borrowings which equated to $159 millionand $11 million and bore interest at 0.66% for both periods.

(e) The amount borrowed at December 31, 2016 was a GBP-denominated borrowing which equated to $75 million and bore interest at 1.26%.

(f) At March 31, 2017, the unused capacity under the U.K. credit facilities was $972 million.

Schedule of Short-term Debt

The following commercial paper programs were in place at: 

	March 31, 2017							December 31, 2016
	Weighted - Average Interest Rate	Capacity		Commercial Paper Issuances		Unused Capacity		Weighted - Average Interest Rate	Commercial Paper Issuances
PPL Capital Funding	1.25%	$	1,000	$	189	$	811	1.10%	$	20
PPL Electric	1.26%	650		499		151		1.05%	295
LG&E	1.19%	350		207		143		0.94%	169
KU	1.18%	350		36		314		0.87%	16
Total		$	2,350	$	931	$	1,419		$	500

Schedule Of Stock Offering Program

For the periods ended March 31, PPL issued the following:

	Three Months
	2017		2016
Number of shares (in thousands)	1,364		—
Average share price	$	36.66	$	—
Net Proceeds	$	50	$	—