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Commitments And Contingencies (Tables)
 9 Months Ended
Sep. 30, 2014
Schedule Of Environmental Remediation Liability
 
Balance at
(in millions)
September 30, 2014
 
December 31, 2013
Topock natural gas compressor station (1)
$
294
 
$
264
Hinkley natural gas compressor station (1)
 
163
 
 
190
Former manufactured gas plant sites owned by the Utility or third parties
 
262
 
 
184
Utility-owned generation facilities (other than fossil fuel-fired),
  other facilities, and third-party disposal sites
 
156
 
 
160
Fossil fuel-fired generation facilities and sites
 
101
 
 
102
Total environmental remediation liability
$
976
 
$
900
 
 
 
 
 
 
      (1) See “Natural Gas Compressor Station Sites” below.
Schedule Of Effective Income Tax Rate Reconciliation
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
 
2014
 
2013
 
Federal statutory income tax rate
35.0
%
35.0
%
 
35.0
%
35.0
%
Increase (decrease) in income tax rate resulting from:
 
 
 
 
 
 
 
 
 
State income tax (net of federal benefit) (1)
2.9
 
(25.0
 ) 
 
1.9
 
(2.1
 ) 
Effect of regulatory treatment of fixed asset differences (2)
(19.9
 ) 
(10.1
 ) 
 
(13.0
 ) 
(2.9
 ) 
Tax credits
(0.4
 ) 
(1.6
 ) 
 
(0.5
 ) 
(0.4
 ) 
Benefit of loss carryback
0.2
 
(1.9
 ) 
 
(0.2
 ) 
(0.2
 ) 
Other, net (3)
(5.2
 ) 
(10.4
 ) 
 
(2.8
 ) 
(3.0
 ) 
Effective tax rate
12.6
%
(14.0)
%
 
20.4
%
26.4
%
 
 
 
 
 
 
 
 
 
 
(1) Includes the effect of state flow-through ratemaking treatment.  Additionally, during the three months ended September 30, 2013, the Utility recorded an adjustment to state income taxes in connection with an IRS settlement.
(2) Represents effect of federal flow-through ratemaking treatment including those deductions related to repairs and certain other property-related costs discussed above.
(3) Primarily relates to research and development tax credits and other timing differences.