XML 104 R84.htm IDEA: XBRL DOCUMENT v3.3.1.900
Compensation and Benefit Plans (Expense and Tax Benefits of Stock Based Compensation) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 29 $ 40 $ 27
Income tax benefits related to stock compensation expense 12 16 11
Excess tax benefits (expense) [1] 15 15 5
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 14 16 15
Performance shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 7 16 4
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 7 7 7
Other      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 1 1 1
Southern California Edison      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 16 20 17
Income tax benefits related to stock compensation expense 7 8 7
Excess tax benefits (expense) [1] 23 20 2
Southern California Edison | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 8 8 11
Southern California Edison | Performance shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 4 8 2
Southern California Edison | Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] 4 4 4
Southern California Edison | Other      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense [2] $ 0 $ 0 $ 0
[1] Reflected in "Settlements of stock-based compensation, net" in the financing section of Edison International's and SCE's consolidated statements of cash flows and in "Common stock" in Edison International's consolidated balance sheets and "Additional paid-in capital" in SCE's consolidated balance sheets.
[2] Reflected in "Operation and maintenance" on Edison International's and SCE's consolidated statements of income.