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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2018
Related Party Transactions [Abstract] |
Schedule of Related-Party Transactions | The related-party transactions included in SCE's consolidated balance sheets for wildfire-related insurance purchased from EIS were as follows:
|  | December 31,
(in millions) |  | 2018 |  | 2017
Long-term insurance receivable due from affiliate |  | $ | 1,000 |  |  | $ | — |
Prepaid insurance 1 |  | 13 |  |  | 131 |
Current payables due to affiliate 2 |  | 4 |  |  | 3 |
1 Reflected in "Prepaid expenses" on SCE's consolidated balance sheets. The amortization expense for prepaid insurance were $140 million and $13 million for the years ended December 31, 2018 and 2017, respectively. 2 Reflected in "Accounts payable" on SCE's consolidated balance sheets.

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, 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 No definition available. + Details
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