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Guarantees of Debt (Tables) (Power [Member])
 9 Months Ended
Sep. 30, 2012
Power [Member]
  
Schedule Of Financial Statements Of Guarantors
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Guarantor
Subsidiaries
 
Other
Subsidiaries
 
Consolidating
Adjustments
 
Consolidated
 
 
 
Millions
 
 
Three Months Ended September 30, 2012
 
 
 
 
 
 
 
 
 
 
 
Operating Revenues
$
—

 
$
1,358

 
$
36

 
$
(356
)
 
$
1,038

 
 
Operating Expenses
(1
)
 
1,095

 
32

 
(355
)
 
771

 
 
Operating Income (Loss)
1

 
263

 
4

 
(1
)
 
267

 
 
Equity Earnings (Losses) of Subsidiaries
191

 
—

 
—

 
(191
)
 
—

 
 
Other Income
11

 
106

 
—

 
(13
)
 
104

 
 
Other Deductions
—

 
(20
)
 
—

 
—

 
(20
)
 
 
Other-Than-Temporary Impairments
—

 
(2
)
 
—

 
—

 
(2
)
 
 
Interest Expense
(29
)
 
(15
)
 
(5
)
 
14

 
(35
)
 
 
Income Tax Benefit (Expense)
7

 
(142
)
 
1

 
1

 
(133
)
 
 
Net Income (Loss)
$
181

 
$
190

 
$
—

 
$
(190
)
 
$
181

 
 
Comprehensive Income (Loss)
$
166

 
$
168

 
$
—

 
$
(168
)
 
$
166

 
 
Three Months Ended September 30, 2011
 
 
 
 
 
 
 
 
 
 
 
Operating Revenues
$
—

 
$
1,725

 
$
29

 
$
(356
)
 
$
1,398

 
 
Operating Expenses
1

 
1,241

 
29

 
(356
)
 
915

 
 
Operating Income (Loss)
(1
)
 
484

 
—

 
—

 
483

 
 
Equity Earnings (Losses) of Subsidiaries
315

 
29

 
—

 
(344
)
 
—

 
 
Other Income
9

 
38

 
—

 
(10
)
 
37

 
 
Other Deductions
(1
)
 
(8
)
 
—

 
(1
)
 
(10
)
 
 
Other-Than-Temporary Impairments
1

 
(9
)
 
—

 
—

 
(8
)
 
 
Interest Expense
(33
)
 
(17
)
 
(3
)
 
11

 
(42
)
 
 
Income Tax Benefit (Expense)
12

 
(200
)
 
1

 
—

 
(187
)
 
 
Income (Loss) on Discontinued Operations, net of tax
—

 
—

 
29

 
—

 
29

 
 
Net Income (Loss)
$
302

 
$
317

 
$
27

 
$
(344
)
 
$
302

 
 
Comprehensive Income (Loss)
$
222

 
$
233

 
$
27

 
$
(260
)
 
$
222

 
 
 
 
 
 
 
 
 
 
 
 
 












 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Guarantor
Subsidiaries
 
Other
Subsidiaries
 
Consolidating
Adjustments
 
Consolidated
 
 
 
Millions
 
 
Nine Months Ended September 30, 2012
 
 
 
 
 
 
 
 
 
 
 
Operating Revenues
$
—

 
$
4,560

 
$
93

 
$
(1,069
)
 
$
3,584

 
 
Operating Expenses
(1
)
 
3,663

 
87

 
(1,069
)
 
2,680

 
 
Operating Income (Loss)
1

 
897

 
6

 
—

 
904

 
 
Equity Earnings (Losses) of Subsidiaries
567

 
(4
)
 
—

 
(563
)
 
—

 
 
Other Income
35

 
176

 
—

 
(40
)
 
171

 
 
Other Deductions
(7
)
 
(45
)
 
—

 
—

 
(52
)
 
 
Other-Than-Temporary Impairments
—

 
(14
)
 
—

 
—

 
(14
)
 
 
Interest Expense
(89
)
 
(35
)
 
(13
)
 
40

 
(97
)
 
 
Income Tax Benefit (Expense)
31

 
(409
)
 
3

 
1

 
(374
)
 
 
Net Income (Loss)
$
538

 
$
566

 
$
(4
)
 
$
(562
)
 
$
538

 
 
Comprehensive Income (Loss)
$
549

 
$
556

 
$
(4
)
 
$
(552
)
 
$
549

 
 
Nine Months Ended September 30, 2012
 
 
 
 
 
 
 
 
 
 
 
Net Cash Provided By (Used In) Operating Activities
$
409

 
$
1,259

 
$
(3
)
 
$
(493
)
 
$
1,172

 
 
Net Cash Provided By (Used In) Investing Activities
$
257

 
$
(897
)
 
$
(24
)
 
$
158

 
$
(506
)
 
 
Net Cash Provided By (Used In) Financing Activities
$
(666
)
 
$
(368
)
 
$
26

 
$
335

 
$
(673
)
 
 
Nine Months Ended September 30, 2011
 
 
 
 
 
 
 
 
—

 
 
Operating Revenues
$
—

 
$
5,622

 
$
106

 
$
(1,078
)
 
$
4,650

 
 
Operating Expenses
2

 
4,278

 
109

 
(1,078
)
 
3,311

 
 
Operating Income (Loss)
(2
)
 
1,344

 
(3
)
 
—

 
1,339

 
 
Equity Earnings (Losses) of Subsidiaries
917

 
88

 
—

 
(1,005
)
 
—

 
 
Other Income
28

 
159

 
—

 
(31
)
 
156

 
 
Other Deductions
(4
)
 
(32
)
 
—

 
(1
)
 
(37
)
 
 
Other-Than-Temporary Impairments
—

 
(10
)
 
—

 
—

 
(10
)
 
 
Interest Expense
(115
)
 
(38
)
 
(13
)
 
32

 
(134
)
 
 
Income Tax Benefit (Expense)
47

 
(592
)
 
6

 
—

 
(539
)
 
 
Income (Loss) on Discontinued Operations, net of tax
—

 
—

 
96

 
—

 
96

 
 
Net Income (Loss)
$
871

 
$
919

 
$
86

 
$
(1,005
)
 
$
871

 
 
Comprehensive Income (Loss)
$
759

 
$
761

 
$
86

 
$
(847
)
 
$
759

 
 
Nine Months Ended September 30, 2011
 
 
 
 
 
 
 
 
 
 
 
Net Cash Provided By (Used In) Operating Activities
$
370

 
$
2,029

 
$
(319
)
 
$
(593
)
 
$
1,487

 
 
Net Cash Provided By (Used In) Investing Activities
$
86

 
$
(935
)
 
$
652

 
$
(821
)
 
$
(1,018
)
 
 
Net Cash Provided By (Used In) Financing Activities
$
(456
)
 
$
(1,091
)
 
$
(332
)
 
$
1,413

 
$
(466
)
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Power
 
Guarantor
Subsidiaries
 
Other
Subsidiaries
 
Consolidating
Adjustments
 
Consolidated
 
 
 
Millions
 
 
As of September 30, 2012
 
 
 
 
 
 
 
 
 
 
 
Current Assets
$
4,182

 
$
7,926

 
$
919

 
$
(10,646
)
 
$
2,381

 
 
Property, Plant and Equipment, net
88

 
5,835

 
948

 
1

 
6,872

 
 
Investment in Subsidiaries
4,193

 
740

 
—

 
(4,933
)
 
—

 
 
Noncurrent Assets
175

 
1,631

 
62

 
(127
)
 
1,741

 
 
Total Assets
$
8,638

 
$
16,132

 
$
1,929

 
$
(15,705
)
 
$
10,994

 
 
Current Liabilities
$
403

 
$
10,183

 
$
984

 
$
(10,643
)
 
$
927

 
 
Noncurrent Liabilities
456

 
1,754

 
204

 
(126
)
 
2,288

 
 
Long-Term Debt
2,386

 
—

 
—

 
—

 
2,386

 
 
Member’s Equity
5,393

 
4,195

 
741

 
(4,936
)
 
5,393

 
 
Total Liabilities and Member’s Equity
$
8,638

 
$
16,132

 
$
1,929

 
$
(15,705
)
 
$
10,994

 
 
As of December 31, 2011
 
 
 
 
 
 
 
 
 
 
 
Current Assets
$
4,311

 
$
7,248

 
$
951

 
$
(9,823
)
 
$
2,687

 
 
Property, Plant and Equipment, net
66

 
5,715

 
950

 
—

 
6,731

 
 
Investment in Subsidiaries
4,185

 
804

 
—

 
(4,989
)
 
—

 
 
Noncurrent Assets
179

 
1,557

 
51

 
(118
)
 
1,669

 
 
Total Assets
$
8,741

 
$
15,324

 
$
1,952

 
$
(14,930
)
 
$
11,087

 
 
Current Liabilities
$
172

 
$
9,549

 
$
1,003

 
$
(9,822
)
 
$
902

 
 
Noncurrent Liabilities
440

 
1,589

 
145

 
(118
)
 
2,056

 
 
Long-Term Debt
2,685

 
—

 
—

 
—

 
2,685

 
 
Member’s Equity
5,444

 
4,186

 
804

 
(4,990
)
 
5,444

 
 
Total Liabilities and Member’s Equity
$
8,741

 
$
15,324

 
$
1,952

 
$
(14,930
)
 
$
11,087