XML 92 R80.htm IDEA: XBRL DOCUMENT
v3.24.3

Changes in Capital Structure - NRG Common Stock Dividends (Details) - $ / shares |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 11, 2024 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2023
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock dividends proposed annual amount (in usd per share) |  |  |  |  | $ 1.63 |  |  |  | $ 1.51
Dividends per common share (in usd per share) |  |  | $ 0.4075 | $ 0.4075 | $ 0.4075 | $ 0.3775 | $ 0.3775 | $ 0.3775 |
Subsequent Event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock dividends declared (in usd per share) | $ 0.4075 |  |  |  |  |  |  |  |
Subsequent Event | Forecast |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock dividends proposed annual amount (in usd per share) |  | $ 1.76 |  |  |  |  |  |  |
Common stock, annual dividend increase |  | 8.00% |  |  |  |  |  |  |
Minimum | Subsequent Event | Forecast |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock, annual dividend growth rate, percentage |  | 7.00% |  |  |  |  |  |  |
Maximum | Subsequent Event | Forecast |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock, annual dividend growth rate, percentage |  | 9.00% |  |  |  |  |  |  |

X
- Definition Common Stock, Annual Dividend Growth Rate + References No definition available. + Details
Name: | nrg_CommonStockAnnualDividendGrowthRate
Namespace Prefix: | nrg_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock Annual Dividend Rate, Increase (Decrease) + References No definition available. + Details
Name: | nrg_CommonStockAnnualDividendRateIncreaseDecrease
Namespace Prefix: | nrg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends, Proposed Annual Amount, Per Share + References No definition available. + Details
Name: | nrg_CommonStockDividendsProposedAnnualAmountPerShare
Namespace Prefix: | nrg_
Data Type: | dtr-types1:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |