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Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2014
Summary Of Significant Accounting Policies [Abstract]  
Schedule Of Estimated Useful Lives And Balances Of Utility's Property, Plant And Equipment
 
Estimated Useful
 
Balance at December 31,
(in millions, except estimated useful lives)
Lives (years)
 
2014
 
2013
Electricity generating facilities (1)
10 to 100
 
$
9,374
 
$
9,116
Electricity distribution facilities
10 to 55
 
 
26,633
 
 
25,333
Electricity transmission facilities
10 to 70
 
 
9,155
 
 
8,429
Natural gas distribution facilities
20 to 60
 
 
9,741
 
 
9,117
Natural gas transportation and storage facilities
7 to 65
 
 
5,937
 
 
5,265
Construction work in progress
 
 
 
2,220
 
 
1,834
Total property, plant, and equipment
 
 
 
63,060
 
 
59,094
Accumulated depreciation
 
 
 
(19,120
 ) 
 
(17,843
)
Net property, plant, and equipment
 
 
$
43,940
 
$
41,251
 
 
 
 
 
 
 
 
 (1) Balance includes nuclear fuel inventories.  Stored nuclear fuel inventory is stated at weighted-average cost.  Nuclear fuel in the reactor is expensed as it is used based on the amount of energy output.  (See Note 14 below.)
Schedule Of Changes In Asset Retirement Obligations
(in millions)
 
2014
 
 
2013
ARO liability at beginning of year
$
3,538
 
$
2,919
Revision in estimated cash flows
 
(16
 ) 
 
596
Accretion
 
163
 
 
130
Liabilities settled
 
(110
 ) 
 
(107
)
ARO liability at end of year
$
3,575
 
$
3,538
Reclassification Out Of Accumulated Other Comprehensive Income TableText Block
The changes, net of income tax, in PG&E Corporation's accumulated other comprehensive income (loss) for the year ended December 31, 2014 consisted of the following:
 
 
Pension
 
Other
 
Other
 
 
 
(in millions, net of income tax)
Benefits
 
Benefits
 
Investments
 
Total
Beginning balance
$
(7
 ) 
 
15
 
 
42
 
 
50
Other comprehensive income before reclassifications:
 
 
 
 
 
 
 
 
 
 
 
Change in investments
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $0, $0, and $4, respectively)
 
-
 
 
-
 
 
5
 
 
5
Unrecognized net actuarial loss
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $404, $19, and $0, respectively)
 
(588
 ) 
 
(28
 ) 
 
-
 
 
(616
)
Unrecognized prior service cost
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $0, $0, and $0, respectively)
 
1
 
 
-
 
 
-
 
 
1
Transfer to regulatory account
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $394, $19, and $0, respectively)
 
573
 
 
28
 
 
-
 
 
601
Amounts reclassified from other comprehensive income:
 
 
 
 
 
 
 
 
 
 
 
Amortization of prior service cost
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $8, $9, and $0, respectively) (1)
 
12
 
 
14
 
 
-
 
 
26
Amortization of net actuarial loss
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $1, $1, and $0, respectively) (1)
 
1
 
 
1
 
 
-
 
 
2
Transfer to regulatory account
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $9, $10, and $0, respectively) (1)
 
(13
 ) 
 
(15
 ) 
 
-
 
 
(28
)
Realized gain on investments
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $0, $0, and $20, respectively)
 
-
 
 
-
 
 
(30
 ) 
 
(30
)
Net current period other comprehensive loss
 
(14)
 
 
-
 
 
(25)
 
 
(39)
Ending balance
$
(21)
 
 
15
 
 
17
 
 
11
 
 
 
 
 
 
 
 
 
 
 
 
 (1) These components are included in the computation of net periodic pension and other postretirement benefit costs.  (See Note 11 below for additional details.)
 
 
 
The changes, net of income tax, in PG&E Corporation's accumulated other comprehensive income (loss) for the year ended December 31, 2013 consisted of the following:
 
 
Pension
 
Other
 
Other
 
 
 
(in millions, net of income tax)
Benefits
 
Benefits
 
Investments
 
Total
Beginning balance
$
(28
 ) 
 
(77
 ) 
 
4
 
 
(101
)
Other comprehensive income before reclassifications:
 
 
 
 
 
 
 
 
 
 
 
Change in investments
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $0, $0, and $26, respectively)
 
-
 
 
-
 
 
38
 
 
38
Unrecognized net actuarial loss
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $804, $35, and $0, respectively)
 
1,169
 
 
45
 
 
-
 
 
1,214
Transfer to regulatory account
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $790, $22, and $0, respectively)
 
(1,150
 ) 
 
31
 
 
-
 
 
(1,119
)
Amounts reclassified from other comprehensive income: (1)
 
 
 
 
 
 
 
 
 
 
 
Amortization of prior service cost
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $8, $10, and $0, respectively)
 
12
 
 
13
 
 
-
 
 
25
Amortization of net actuarial loss
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $45, $3, and $0, respectively)
 
66
 
 
3
 
 
-
 
 
69
Transfer to regulatory account
 
 
 
 
 
 
 
 
 
 
 
(net of taxes of $54, $0, and $0, respectively)
 
(76
 ) 
 
-
 
 
-
 
 
(76
)
Net current period other comprehensive income
 
21
 
 
92
 
 
38
 
 
151
Ending balance
$
(7)
 
 
15
 
 
42
 
 
50
 
 
 
 
 
 
 
 
 
 
 
 
 (1) These components are included in the computation of net periodic pension and other postretirement benefit costs.  (See Note 11 below for additional details.)