Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The assets and liabilities measured at fair value were:

	March 31, 2019								December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
PPL
Assets
Cash and cash equivalents	$	518	$	518	$	—	$	—	$	621	$	621	$	—	$	—
Restricted cash and cash equivalents (a)	22		22		—		—		22		22		—		—
Special use funds (a):
Money market fund	3		3		—		—		59		59		—		—
Commingled debt fund measured at NAV (b)	31		—		—		—		—		—		—		—
Commingled equity fund measured at NAV (b)	29		—		—		—		—		—		—		—
Total special use funds	63		3		—		—		59		59		—		—

	March 31, 2019								December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Price risk management assets (c):
Foreign currency contracts	163		—		163		—		202		—		202		—
Cross-currency swaps	118		—		118		—		135		—		135		—
Total price risk management assets	281		—		281		—		337		—		337		—
Total assets	$	884	$	543	$	281	$	—	$	1,039	$	702	$	337	$	—
Liabilities
Price risk management liabilities (c):
Interest rate swaps	$	21	$	—	$	21	$	—	$	20	$	—	$	20	$	—
Foreign currency contracts	13		—		13		—		2		—		2		—
Total price risk management liabilities	$	34	$	—	$	34	$	—	$	22	$	—	$	22	$	—
PPL Electric
Assets
Cash and cash equivalents	$	23	$	23	$	—	$	—	$	267	$	267	$	—	$	—
Restricted cash and cash equivalents (a)	2		2		—		—		2		2		—		—
Total assets	$	25	$	25	$	—	$	—	$	269	$	269	$	—	$	—
LKE
Assets
Cash and cash equivalents	$	22	$	22	$	—	$	—	$	24	$	24	$	—	$	—
Total assets	$	22	$	22	$	—	$	—	$	24	$	24	$	—	$	—
Liabilities
Price risk management liabilities:
Interest rate swaps	$	21	$	—	$	21	$	—	$	20	$	—	$	20	$	—
Total price risk management liabilities	$	21	$	—	$	21	$	—	$	20	$	—	$	20	$	—
LG&E
Assets
Cash and cash equivalents	$	9	$	9	$	—	$	—	$	10	$	10	$	—	$	—
Total assets	$	9	$	9	$	—	$	—	$	10	$	10	$	—	$	—
Liabilities
Price risk management liabilities:
Interest rate swaps	$	21	$	—	$	21	$	—	$	20	$	—	$	20	$	—
Total price risk management liabilities	$	21	$	—	$	21	$	—	$	20	$	—	$	20	$	—
KU
Assets
Cash and cash equivalents	$	13	$	13	$	—	$	—	$	14	$	14	$	—	$	—
Total assets	$	13	$	13	$	—	$	—	$	14	$	14	$	—	$	—

(a) Current portion is included in "Other current assets" and long-term portion is included in "Other noncurrent assets" on the Balance Sheets.

(b) In accordance with accounting guidance, certain investments that are measured at fair value using the net asset value per share (NAV), or its equivalent, practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.

(c) Current portion is included in "Price risk management assets" and "Other current liabilities" and noncurrent portion is included in "Price risk management assets" and "Other deferred credits and noncurrent liabilities" on the Balance Sheets.

Fair Value, by Balance Sheet Grouping

The carrying amounts of long-term debt on the Balance Sheets and their estimated fair values are set forth below.

	March 31, 2019				December 31, 2018
	Carrying Amount (a)		Fair Value		Carrying Amount (a)		Fair Value
PPL	$	21,316	$	24,471	$	20,599	$	22,939
PPL Electric	3,694		4,054		3,694		3,901
LKE	5,936		6,389		5,502		5,768
LG&E	2,009		2,135		1,809		1,874
KU	2,554		2,777		2,321		2,451

(a) Amounts are net of debt issuance costs.