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Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Net income $ 449 $ 448 $ 1,048 $ 1,172
Pension and postretirement benefits other than pensions:        
Net loss arising during the period plus amortization included in net income 2 2 5 4
Other 0 (1) 0 (1)
Other comprehensive income, net of tax 2 1 5 3
Comprehensive income 451 449 1,053 1,175
Less: Comprehensive income attributable to noncontrolling interests 30 27 81 73
Comprehensive income attributable to Edison International 421 422 972 1,102
Southern California Edison Company        
Net income 466 417 1,129 1,163
Pension and postretirement benefits other than pensions:        
Net loss arising during the period plus amortization included in net income 1 1 3 3
Other comprehensive income, net of tax 1 1 3 3
Comprehensive income $ 467 $ 418 $ 1,132 $ 1,166