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REGULATORY MATTERS - REGULATROY ASSETS NOT EARNING A RETURN (Details) | Dec. 31, 2023
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Minimum |
Public Utilities, General Disclosures [Line Items] |
Amortization period (in years) | 5 years
Maximum |
Public Utilities, General Disclosures [Line Items] |
Regulatory asset, recovery (in years) | 4 years
Amortization period (in years) | 69 years

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- Definition Regulatory Asset, Recovery Term + References No definition available. + Details
Name: | sre_RegulatoryAssetRecoveryTerm
Namespace Prefix: | sre_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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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
Name: | us-gaap_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_RegulatoryAssetAmortizationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- 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: |