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GENERAL INFORMATION AND OTHER FINANCIAL DATA - CREDIT LOSSES (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | $ 1,801 |  | $ 2,334 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 181 | $ 136 |  |
Provisions for expected credit losses | 374 | 111 |  |
Write-offs | (74) | (57) |  |
Ending balance | 481 | 190 |  |
Allowance for credit losses | 6 |  | 7 |
Accounts receivable – trade, net |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 432 |  | 140 |
Accounts receivable – other, net |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 15 |  | 25 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 48 |  | 40 |
Other long-term assets |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 1 |  | 9 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Expected credit losses, noncurrent | 1 |  | 1 |
Other long-term assets | KKR |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Expected credit losses, noncurrent | 6 |  | 7 |
Deferred Credits and Other | Sempra LNG |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for credit losses | 6 |  | 6 |
San Diego Gas and Electric Company |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 972 |  | 819 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 78 | 66 |  |
Provisions for expected credit losses | 96 | 51 |  |
Write-offs | (34) | (30) |  |
Ending balance | 140 | 87 |  |
San Diego Gas and Electric Company | Customers Under California Arrearage Payment Program |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers |  |  | 51 | $ 63
San Diego Gas and Electric Company | Accounts receivable – trade, net |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 113 |  | 52 |
San Diego Gas and Electric Company | Accounts receivable – other, net |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 13 |  | 12 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 26 |  | 25 |
San Diego Gas and Electric Company | Other long-term assets |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 1 |  | 6 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Expected credit losses, noncurrent | 1 |  | 1 |
Southern California Gas Company |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 667 |  | 1,311 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 98 | 69 |  |
Provisions for expected credit losses | 276 | 58 |  |
Write-offs | (40) | (27) |  |
Ending balance | 334 | $ 100 |  |
Southern California Gas Company | Customers Under California Arrearage Payment Program |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers |  |  | 59 | $ 79
Southern California Gas Company | Accounts receivable – trade, net |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 312 |  | 83 |
Southern California Gas Company | Accounts receivable – other, net |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | 2 |  | 13 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Accounts receivable - trade and other, net | 22 |  | 15 |
Southern California Gas Company | Other long-term assets |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Receivables from revenues from contracts with customers | $ 0 |  | $ 3 |

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