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Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2012
Related Party Transactions [Abstract]  
Summary of Related Party Transactions
EME amounts outstanding prior to December 17, 2012 were excluded from Edison International's table as these transactions were included and eliminated from Edison International's consolidated financial statements.
(in millions)
 
 
December 31,
2012
Edison International:
 
 
 
Current receivables due from EME
 
 
$
2

Long-term income tax receivables due from EME1
 
 
205

Total receivables due from unconsolidated affiliates
 
 
$
207

 
 
 
 
Current payables due to EME
 
 
$
11

Current income tax payables due to EME
 
 
99

Long-term payables due to EME
 
 
15

Long-term payables due to unconsolidated affiliates
 
 
36

Total payables due to unconsolidated affiliates
 
 
$
161

 
 
 
 
 
December 31,
(in millions)
2012
 
2011
SCE:
 
 
 
Current receivables due from various affiliates
$
12

 
$
23

Long-term receivables due from Edison International Parent
1

 
1

Total receivables due from unconsolidated affiliates
$
13

 
$
24

 
 
 
 
Current payables due to various affiliates
$
7

 
$
8

Long-term payable due to Edison International Parent2
122

 

Total payables due to unconsolidated affiliates
$
129

 
$
8

1  
Edison International Parent has recorded liabilities at December 31, 2012 of $183 million related to joint tax liabilities with EME. Under the tax allocation agreements, EME is obligated for such liabilities and, accordingly, Edison International has recorded a receivable from EME in this amount. See Note 18 for further information.
2 
Relates to certain SCE postretirement benefits transferred to Edison International Parent. See Note 8 for further information.