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Related-Party Transactions | 9 Months Ended
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Sep. 30, 2019
Related Party Transactions [Abstract] |
Related-Party Transactions | Related-Party Transactions For the three months ended September 30, 2019, SCE did not purchase wildfire liability insurance from Edison Insurance Services, Inc. ("EIS"), a wholly-owned subsidiary of Edison International. For the nine months ended September 30, 2019, SCE purchased wildfire liability insurance with premiums of $260 million. The related-party transactions included in SCE's consolidated balance sheets for wildfire-related insurance purchased from EIS were as follows:
(in millions) |  | September 30, 2019 |  | December 31, 2018
Long-term insurance receivable due from affiliate |  | $ | 1,000 |  |  | $ | 1,000 |
Prepaid insurance 1 |  | 42 |  |  | 13 |
Current payables due to affiliate 2 |  | — |  |  | 4 |
1 Reflected in "Prepaid expenses" on SCE's consolidated balance sheets. 2 Reflected in "Accounts payable" on SCE's consolidated balance sheets. The amortization expense for wildfire-related insurance was $51 million and $35 million for the three months ended September 30, 2019 and 2018 respectively, and $123 million and $106 million for the nine months ended September 30, 2019 and 2018, respectively.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
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