XML 71 R76.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Financing Activities Financing Activities- Equity Securities (Details) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2019 USD ($) shares | Sep. 30, 2018 USD ($) shares | May 31, 2018 counterparties shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares | Feb. 28, 2018 USD ($)
Equity Programs [Line Items] |  |  |  |  |  |  |  |
Issuance of common stock | $ |  |  |  |  | $ 1,167 | $ 698 | $ 453 |
Common Stock [Member] |  |  |  |  |  |  |  |
Equity Programs [Line Items] |  |  |  |  |  |  |  |
Common stock shares issued | [1] |  |  |  | 46,910,000 | 26,925,000 | 13,667,000 |
Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |
Equity Programs [Line Items] |  |  |  |  |  |  |  |
Issuance of common stock | $ |  | $ 1,100 | $ 520 |  |  |  |  |
Common stock shares issued |  | 43,250,000 | 20,000,000 |  |  |  |  |
Total Number Of Shares Issued In Forward Sales Agreements And Overallotment Option |  |  |  | 63,250,000 |  |  |  |
Number of Counterparties | counterparties |  |  |  | 2 |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares |  |  |  | 55,000,000 |  |  |  |
Over-Allotment Option [Member] | Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |
Equity Programs [Line Items] |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares |  |  |  | 8,250,000 |  |  |  |
At The Market Stock Offering Program [Member] |  |  |  |  |  |  |  |
Equity Programs [Line Items] |  |  |  |  |  |  |  |
Common Stock Aggregate Sales Price | $ |  |  |  |  |  |  |  | $ 1,000
Maximum Percentage Paid To Selling Agents |  |  |  |  | 2.00% |  |  |
Issuance of common stock | $ |  |  |  |  |  | $ 119 |  |
Common stock shares issued |  |  |  |  | 0 | 42,000,000 |  |
[1] | Shares in thousands. Each share entitles the holder to one vote on any question presented at any shareowners' meeting.

X
- Definition Aggregate amount of common stock that the company may sell from time to time based on two separate equity distribution agreements. + References No definition available. + Details
Name: | ppl_CommonStockAggregateSalesPrice
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | ppl_EquityProgramsLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of gross offering proceeds of the shares sold which is paid to selling agents with respect to each equity distribution agreement. + References No definition available. + Details
Name: | ppl_MaximumPercentagePaidToSellingAgents
Namespace Prefix: | ppl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of counterparties in the forward sales agreements. + References No definition available. + Details
Name: | ppl_NumberofCounterparties
Namespace Prefix: | ppl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number shares that could be issued to net share settle a contract and the maximum number of shares the underwriter has the right to sell over the initial allotment. + References No definition available. + Details
Name: | ppl_TotalNumberOfSharesIssuedInForwardSalesAgreementsAndOverallotmentOption
Namespace Prefix: | ppl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquityShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis=ppl_ForwardSaleAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_EquityProgramsAxis=ppl_AtTheMarketStockOfferingProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |