XML 74 R45.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

SAN ONOFRE NUCLEAR GENERATING STATION (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Public Utilities, General Disclosures [Abstract] |
Schedule of Nuclear Decommissioning Trusts Investments | Nuclear Decommissioning Trusts The following table shows the fair values and gross unrealized gains and losses for the securities held in the NDT on the Sempra and SDG&E Condensed Consolidated Balance Sheets. We provide additional fair value disclosures for the NDT in Note 8.
NUCLEAR DECOMMISSIONING TRUSTS
(Dollars in millions)
| Cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
| June 30, 2024
Short-term investments, primarily cash equivalents | $ | 23 |  |  | $ | — |  |  | $ | — |  |  | $ | 23 |
Equity securities | 90 |  |  | 235 |  |  | (4) |  |  | 321 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies(1) | 61 |  |  | 1 |  |  | (1) |  |  | 61 |
Municipal bonds(2) | 281 |  |  | 1 |  |  | (9) |  |  | 273 |
Other securities(3) | 235 |  |  | 2 |  |  | (10) |  |  | 227 |
Total debt securities | 577 |  |  | 4 |  |  | (20) |  |  | 561 |
Receivables (payables), net | (23) |  |  | — |  |  | — |  |  | (23) |
Total | $ | 667 |  |  | $ | 239 |  |  | $ | (24) |  |  | $ | 882 |
| December 31, 2023
Short-term investments, primarily cash equivalents | $ | 21 |  |  | $ | — |  |  | $ | — |  |  | $ | 21 |
Equity securities | 89 |  |  | 225 |  |  | (2) |  |  | 312 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies | 50 |  |  | 2 |  |  | (1) |  |  | 51 |
Municipal bonds | 280 |  |  | 3 |  |  | (8) |  |  | 275 |
Other securities | 228 |  |  | 3 |  |  | (11) |  |  | 220 |
Total debt securities | 558 |  |  | 8 |  |  | (20) |  |  | 546 |
Receivables (payables), net | (7) |  |  | — |  |  | — |  |  | (7) |
Total | $ | 661 |  |  | $ | 233 |  |  | $ | (22) |  |  | $ | 872 |
(1) Maturity dates are 2025-2054. (2) Maturity dates are 2024-2062. (3) Maturity dates are 2024-2072.
Schedule of Sales of Securities By Nuclear Decommissioning Trusts | The following table shows the proceeds from sales of securities in the NDT and gross realized gains and losses on those sales.
SALES OF SECURITIES IN THE NUCLEAR DECOMMISSIONING TRUSTS
(Dollars in millions)
| Three months ended June 30, |  | Six months ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Proceeds from sales | $ | 199 |  |  | $ | 138 |  |  | $ | 380 |  |  | $ | 294 |
Gross realized gains | 10 |  |  | 6 |  |  | 24 |  |  | 8 |
Gross realized losses | 3 |  |  | 3 |  |  | 5 |  |  | 6 |

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of not readily marketable securities and investments including, but not limited to, description of security or investment, fair value and value as measured by quoted price. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
Name: | us-gaap_ScheduleOfSecuritiesOwnedNotReadilyMarketableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration