Adoption of Accounting Guidance (Tables)

9 Months Ended

Sep. 30, 2020

Summary Of Significant Accounting Policies [Line Items]

Financing Receivable, Allowance for Credit Loss [Table Text Block]

The following table shows changes in the allowance for credit losses for the nine months ended September 30, 2020:

	Balance at Beginning of Period (a)		Charged to Income		Deductions (b)		Balance at End of Period
PPL
Accounts Receivable - Customer and Unbilled Revenue	$	30	$	22	$	9	$	43
Other (c)	27		2		—		29

	Balance at Beginning of Period (a)		Charged to Income		Deductions (b)		Balance at End of Period
PPL Electric
Accounts Receivable - Customer and Unbilled Revenue	$	25	$	12	$	3	$	34
Other	1		1		—		2
LKE
Accounts Receivable - Customer and Unbilled Revenue	$	2	$	7	$	5	$	4
Other (c)	26		1		—		27
LG&E
Accounts Receivable - Customer and Unbilled Revenue	$	1	$	4	$	3	$	2
KU
Accounts Receivable - Customer and Unbilled Revenue	$	1	$	3	$	2	$	2

(a)Reflects cumulative-effect adjustment upon adoption of current expected credit loss guidance.

(b)Primarily related to uncollectible accounts receivable written off.

(c)Primarily related to receivables at WKE, which are fully reserved.

Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement

The following provides a reconciliation of Cash, Cash Equivalents and Restricted Cash reported within the Balance Sheets that sum to the total of the same amounts shown on the Statements of Cash Flows:

	PPL				PPL Electric
	September 30, 2020		December 31, 2019		September 30, 2020		December 31, 2019
Cash and cash equivalents	$	746	$	815	$	26	$	262
Restricted cash - current (a)	3		3		2		2
Restricted cash - noncurrent (a)	20		18		—		—
Total Cash, Cash Equivalents and Restricted Cash	$	769	$	836	$	28	$	264

(a)Bank deposits and other cash equivalents that are restricted by agreement or that have been clearly designated for a specific purpose are classified as restricted cash. On the Balance Sheets, the current portion of restricted cash is included in "Other current assets," while the noncurrent portion is included in "Other noncurrent assets."

PPL Electric Utilities Corp [Member]

Summary Of Significant Accounting Policies [Line Items]

Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement

The following provides a reconciliation of Cash, Cash Equivalents and Restricted Cash reported within the Balance Sheets that sum to the total of the same amounts shown on the Statements of Cash Flows:

	PPL				PPL Electric
	September 30, 2020		December 31, 2019		September 30, 2020		December 31, 2019
Cash and cash equivalents	$	746	$	815	$	26	$	262
Restricted cash - current (a)	3		3		2		2
Restricted cash - noncurrent (a)	20		18		—		—
Total Cash, Cash Equivalents and Restricted Cash	$	769	$	836	$	28	$	264

(a)Bank deposits and other cash equivalents that are restricted by agreement or that have been clearly designated for a specific purpose are classified as restricted cash. On the Balance Sheets, the current portion of restricted cash is included in "Other current assets," while the noncurrent portion is included in "Other noncurrent assets."