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CONDENSED STATEMENTS OF CONSOLIDATED INCOME (Unaudited) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Revenues $ 827 $ 839 $ 2,149 $ 2,167
Expenses:        
Operation and maintenance 326 321 953 912
Depreciation and amortization 201 230 526 602
Taxes other than income taxes 56 56 167 170
Total 583 607 1,646 1,684
Operating Income 244 232 503 483
Other Income (Expense):        
Interest and other finance charges (30) (27) (88) (80)
Interest on transition and system restoration bonds (25) (30) (80) (90)
Other, net 6 4 16 11
Total (49) (53) (152) (159)
Income Before Income Taxes 195 179 351 324
Income tax expense 71 60 127 113
Net Income $ 124 $ 119 $ 224 $ 211