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REVENUES - CONTRACT LIABILITIES (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, opening balance | $ (252) | $ (278)
Revenue from performance obligations satisfied during reporting period | 5 | 86
Payments received in advance | (2) | (105)
Contract liabilities, closing balance | (249) | (297)
Other current liabilities |  |
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, closing balance | (6) |
Deferred Credits and Other |  |
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, closing balance | (243) |
San Diego Gas and Electric Company |  |
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, opening balance | (79) | (83)
Revenue from performance obligations satisfied during reporting period | 2 | 2
Contract liabilities, closing balance | (77) | $ (81)
San Diego Gas and Electric Company | Other current liabilities |  |
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, closing balance | (4) |
San Diego Gas and Electric Company | Deferred Credits and Other |  |
Contract with Customer, Liability [Roll Forward] |  |
Contract liabilities, closing balance | $ (73) |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 + Details
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