XML 71 R53.htm IDEA: XBRL DOCUMENT
v3.20.4

Capital Structure (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Equity [Abstract] |
Changes in NRG's common shares issued and outstanding | The following table reflects the changes in NRG's common shares issued and outstanding for each period presented:
|  |  | Common
|  |  | Issued |  | Treasury |  | Outstanding
Balance as of December 31, 2017 |  |  | 418,323,134 |  |  | (101,580,045) |  |  | 316,743,089 |
Shares issued under ESPP |  |  | — |  |  | 175,862 |  |  | 175,862 |
Shares issued under LTIPs |  |  | 1,965,752 |  |  | — |  |  | 1,965,752 |
Share repurchases |  |  | — |  |  | (35,234,664) |  |  | (35,234,664) |
Balance as of December 31, 2018 |  |  | 420,288,886 |  |  | (136,638,847) |  |  | 283,650,039 |
Shares issued under ESPP |  |  | — |  |  | 46,128 |  |  | 46,128 |
Shares issued under LTIPs |  |  | 1,601,904 |  |  | — |  |  | 1,601,904 |
Share repurchases |  |  | — |  |  | (36,301,882) |  |  | (36,301,882) |
Balance as of December 31, 2019 |  |  | 421,890,790 |  |  | (172,894,601) |  |  | 248,996,189 |
Shares issued under ESPP |  |  | — |  |  | 131,469 |  |  | 131,469 |
Shares issued under LTIPs |  |  | 1,167,058 |  |  | — |  |  | 1,167,058 |
Share repurchases |  |  | — |  |  | (6,062,783) |  |  | (6,062,783) |
Balance as of December 31, 2020 |  |  | 423,057,848 |  |  | (178,825,915) |  |  | 244,231,933 |
Summary of shares repurchased | The following table summarizes the shares repurchases made during the years 2018, 2019 and 2020:
| Total number of shares and share equivalents purchased | Average price paid per share and share equivalent | Amounts paid for shares and share equivalents purchased (in millions)
2018 repurchases: |  |  |
Shares repurchased under May 24, 2018 Accelerated Repurchase Agreement | 10,829,903 |  |  | 354 |
Shares repurchased under September 5, 2018 Accelerated Repurchase Agreement | 13,307,130 |  |  | 500 |
Other repurchases | 11,097,631 |  |  | 396 |
Total Share Repurchases during 2018 | 35,234,664 |  | $ | 35.48 |  | $ | 1,250 |
2019 repurchases: |  |  |
Repurchases under February 28, 2019 Accelerated Share Repurchase Agreement | 9,438,671 |  |  | 400 |
Other repurchases | 26,863,211 |  |  | 1,008 |
Equivalent shares purchased in lieu of tax withholdings on equity compensation issuances(a) | 936,928 |  |  | 36 |
Total Share Repurchases during 2019 | 37,238,810 |  | $ | 38.79 |  | $ | 1,444 |
2020 repurchases: |  |  |
Repurchases | 6,062,783 |  |  | 197 |
Equivalent shares purchased in lieu of tax withholdings on equity compensation issuances(a) | 711,248 |  |  | 27 |
Total Share Repurchases during 2020 | 6,774,031 |  | $ | 33.05 |  | $ | 224 |
(a)NRG elected to pay cash for tax withholding on equity awards instead of issuing actual shares to management. The average price per equivalent shares withheld was $38.23 and $38.78 in 2020 and 2019, respectively. See Note 22, Stock-Based Compensation, for further discussion of the equity awards

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

X
- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
Name: | us-gaap_ScheduleOfTreasuryStockByClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration