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Intangibles | 12 Months Ended
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Dec. 31, 2021
Goodwill [Line Items] |
Goodwill And Other Intangibles | Intangibles As of December 31, 2021 and 2020, PSEG had intangible assets of $20 million and $158 million, respectively, related to emissions allowances and RECs. Emissions allowances and RECs are recorded at cost and evaluated for impairment at least annually. Emissions expense includes impairments of emissions allowances, if any, and costs for emissions, which is recorded as emissions occur. As load is served under contracts requiring energy from renewable sources, the related expense is recorded. The changes to PSEG’s intangible assets during 2020 and 2021 are as follows:
|  |  | Emissions Allowances |  | RECs |  | Total Intangibles |
|  |  | Millions |
| Balance as of January 1, 2020 |  | $ | 104 |  |  | $ | 45 |  |  | $ | 149 |  |
| Retirements |  | (9) |  |  | (93) |  |  | (102) |  |
| Purchases |  | 17 |  |  | 94 |  |  | 111 |  |
| Balance as of December 31, 2020 |  | $ | 112 |  |  | $ | 46 |  |  | $ | 158 |  |
| Retirements |  | (58) |  |  | (114) |  |  | (172) |  |
| Purchases |  | 9 |  |  | 89 |  |  | 98 |  |
| Sales and Transfers (A) |  | (62) |  |  | (1) |  |  | (63) |  |
| Impairments |  | (1) |  |  | — |  |  | (1) |  |
| Balance as of December 31, 2021 |  | $ | — |  |  | $ | 20 |  |  | $ | 20 |  |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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