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DEBT (Schedule of Long-term Debt) (Details) - USD ($) | Dec. 31, 2024 | Nov. 15, 2024 | Sep. 11, 2024 | Feb. 28, 2024 | Dec. 31, 2023 | Dec. 04, 2023
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Debt [Line Items] |  |  |  |  |  |
Less: current portion, net of unamortized discount and debt issuance costs | $ (2,146,000,000) |  |  |  | $ (1,376,000,000) |
Long-term debt, net | 53,569,000,000 |  |  |  | 50,975,000,000 |
Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Less: current portion, net of unamortized discount and debt issuance costs | (2,146,000,000) |  |  |  | (1,376,000,000) |
New Debt | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Less: current portion, net of unamortized discount and debt issuance costs | 0 |  |  |  | (400,000,000) |
Long-term debt, net | 47,958,000,000 |  |  |  | 46,376,000,000 |
New Debt | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Unamortized discount, premium and debt issuance costs, net | (39,000,000) |  |  |  | (51,000,000) |
Long-term debt, net | $ 5,611,000,000 |  |  |  | 4,599,000,000 |
Term Loan B, Stated Maturity 2027 | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 7.85% |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  | 500,000,000 |
Convertible Notes Due 2027 | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.25% |  |  |  |  |
Long-term debt, gross | $ 2,150,000,000 |  |  |  | 2,150,000,000 |
Convertible Notes Due 2027 | PG&E Corporation | Secured Debt |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 4.25%
Long-term debt, net | $ 2,130,000,000 |  |  |  | 2,120,000,000 | $ 2,120,000,000
Senior Notes Due 2028 | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.00% |  |  |  |  |
Long-term debt, gross | $ 1,000,000,000 |  |  |  | 1,000,000,000 |
Senior Notes Due 2030 | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.25% |  |  |  |  |
Long-term debt, gross | $ 1,000,000,000 |  |  |  | 1,000,000,000 |
Junior Subordinated Notes Due 2055 |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate |  | 7.375% | 7.375% |  |  |
Junior Subordinated Notes Due 2055 | PG&E Corporation |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 7.38% |  |  |  |  |
Long-term debt, gross | $ 1,500,000,000 |  |  |  | 0 |
First Mortgage Bonds | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Less: current portion, net of unamortized discount and debt issuance costs | (1,924,000,000) |  |  |  | (800,000,000) |
Unamortized discount, premium and debt issuance costs, net | (226,000,000) |  |  |  | (246,000,000) |
Long-term debt, net | 36,927,000,000 |  |  |  | 35,831,000,000 |
First Mortgage Bonds, Stated Maturity 2024 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  | 800,000,000 |
First Mortgage Bonds, Stated Maturity 2024 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.40% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2024 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.75% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2025 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 1,925,000,000 |  |  |  | 1,925,000,000 |
First Mortgage Bonds, Stated Maturity 2025 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.45% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2025 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.95% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2026 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 2,551,000,000 |  |  |  | 2,551,000,000 |
First Mortgage Bonds, Stated Maturity 2026 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 2.95% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2026 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.15% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2027 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 3,000,000,000 |  |  |  | 3,000,000,000 |
First Mortgage Bonds, Stated Maturity 2027 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 2.10% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2027 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.45% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2028 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 1,975,000,000 |  |  |  | 1,975,000,000 |
First Mortgage Bonds, Stated Maturity 2028 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.00% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2028 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.65% |  |  |  |  |
First Mortgage Bonds Due 2029 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate |  |  |  | 5.55% |  |
Long-term debt, gross | $ 2,100,000,000 |  |  |  | 1,250,000,000 |
First Mortgage Bonds Due 2029 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.20% |  |  |  |  |
First Mortgage Bonds Due 2029 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.10% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2030 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 3,100,000,000 |  |  |  | 3,100,000,000 |
First Mortgage Bonds, Stated Maturity 2030 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.55% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2031 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 3,000,000,000 |  |  |  | 3,000,000,000 |
First Mortgage Bonds, Stated Maturity 2031 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 2.50% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2031 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.25% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2032 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 1,050,000,000 |  |  |  | 1,050,000,000 |
First Mortgage Bonds, Stated Maturity 2032 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.40% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2032 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.90% |  |  |  |  |
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 1,900,000,000 |  |  |  | 1,900,000,000 |
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.15% |  |  |  |  |
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.40% |  |  |  |  |
First Mortgage Bonds Due 2034 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate |  |  |  | 5.80% |  |
Long-term debt, gross | $ 1,900,000,000 |  |  |  | 800,000,000 |
First Mortgage Bonds Due 2034 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.80% |  |  |  |  |
First Mortgage Bonds Due 2034 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.95% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2040 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 2,951,000,000 |  |  |  | 2,951,000,000 |
First Mortgage Bonds, Stated Maturity 2040 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.30% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2040 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.50% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2041 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 700,000,000 |  |  |  | 700,000,000 |
First Mortgage Bonds, Stated Maturity 2041 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.20% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2041 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.50% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2042 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 750,000,000 |  |  |  | 750,000,000 |
First Mortgage Bonds, Stated Maturity 2042 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.75% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2042 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.45% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2043 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 375,000,000 |  |  |  | 375,000,000 |
First Mortgage Bonds, Stated Maturity 2043 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.60% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2044 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.75% |  |  |  |  |
Long-term debt, gross | $ 675,000,000 |  |  |  | 675,000,000 |
First Mortgage Bonds, Stated Maturity 2045 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.30% |  |  |  |  |
Long-term debt, gross | $ 600,000,000 |  |  |  | 600,000,000 |
First Mortgage Bonds, Stated Maturity 2046 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 1,050,000,000 |  |  |  | 1,050,000,000 |
First Mortgage Bonds, Stated Maturity 2046 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.00% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2046 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.25% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2047 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 850,000,000 |  |  |  | 850,000,000 |
First Mortgage Bonds, Stated Maturity 2047 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.95% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2050 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 5,025,000,000 |  |  |  | 5,025,000,000 |
First Mortgage Bonds, Stated Maturity 2050 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 3.50% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2050 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 4.95% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2052 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 550,000,000 |  |  |  | 550,000,000 |
First Mortgage Bonds, Stated Maturity 2052 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.25% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2053 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 2,300,000,000 |  |  |  | 2,000,000,000 |
First Mortgage Bonds, Stated Maturity 2053 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.70% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2053 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.75% |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2054 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 750,000,000 |  |  |  | 0 |
First Mortgage Bonds, Stated Maturity 2054 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 5.90% |  |  |  |  |
Recovery Bonds | Secured Debt |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 10,367,000,000 |  |  |  | 9,124,000,000 |
Less: current portion, net of unamortized discount and debt issuance costs | (222,000,000) |  |  |  | (176,000,000) |
DWR Loan |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Long-term debt, net | $ 886,000,000 |  |  |  | 98,000,000 |
Receivables Securitization Program | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.75% |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  | 1,500,000,000 |
Long-term debt, net | $ 0 |  |  |  | 1,499,000,000 |
2 Year Term Loan | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |
Stated interest rate | 6.60% |  |  |  |  |
Term Loan | $ 0 |  |  |  | $ 400,000,000 |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A + Details
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