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Segments (Tables) | 3 Months Ended
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Jun. 30, 2012
Segments Tables [Abstract] |
Revenue By Segment Table |
Three months ended |  | Total Revenue |  | Intersegment |  | External Revenue
June 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 1,029 |  | $ | 1,122 |  | $ | (9) |  | $ | (11) |  | $ | 1,020 |  | $ | 1,111
Generation - Tietê |  |  | 274 |  |  | 256 |  |  | (248) |  |  | (251) |  |  | 26 |  |  | 5
Generation - North America |  |  | 328 |  |  | 339 |  |  | - |  |  | (4) |  |  | 328 |  |  | 335
Generation - Europe |  |  | 233 |  |  | 328 |  |  | (1) |  |  | - |  |  | 232 |  |  | 328
Generation - Asia |  |  | 181 |  |  | 162 |  |  | - |  |  | - |  |  | 181 |  |  | 162
Utilities - Latin America |  |  | 1,446 |  |  | 1,944 |  |  | - |  |  | - |  |  | 1,446 |  |  | 1,944
Utilities - North America |  |  | 678 |  |  | 280 |  |  | - |  |  | - |  |  | 678 |  |  | 280
Corp and Other |  |  | 284 |  |  | 273 |  |  | (3) |  |  | (3) |  |  | 281 |  |  | 270
Total Revenue |  | $ | 4,453 |  | $ | 4,704 |  | $ | (261) |  | $ | (269) |  | $ | 4,192 |  | $ | 4,435
Six Months Ended |  | Total Revenue |  | Intersegment |  | External Revenue
June 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 1,988 |  | $ | 2,000 |  | $ | (19) |  | $ | (20) |  | $ | 1,969 |  | $ | 1,980
Generation - Tietê |  |  | 579 |  |  | 509 |  |  | (530) |  |  | (493) |  |  | 49 |  |  | 16
Generation - North America |  |  | 645 |  |  | 673 |  |  | - |  |  | (4) |  |  | 645 |  |  | 669
Generation - Europe |  |  | 683 |  |  | 728 |  |  | (1) |  |  | (1) |  |  | 682 |  |  | 727
Generation - Asia |  |  | 362 |  |  | 277 |  |  | - |  |  | - |  |  | 362 |  |  | 277
Utilities - Latin America |  |  | 3,180 |  |  | 3,784 |  |  | - |  |  | - |  |  | 3,180 |  |  | 3,784
Utilities - North America |  |  | 1,410 |  |  | 569 |  |  | - |  |  | - |  |  | 1,410 |  |  | 569
Corp and Other |  |  | 640 |  |  | 574 |  |  | (5) |  |  | (5) |  |  | 635 |  |  | 569
Total Revenue |  | $ | 9,487 |  | $ | 9,114 |  | $ | (555) |  | $ | (523) |  | $ | 8,932 |  | $ | 8,591
Adjusted Gross Margin by Segment Table |
Three months ended |  | Total Adjusted Gross Margin |  | Intersegment |  | External Adjusted Gross Margin
June 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 232 |  | $ | 326 |  | $ | 6 |  | $ | 3 |  | $ | 238 |  | $ | 329
Generation - Tietê |  |  | 210 |  |  | 191 |  |  | (248) |  |  | (251) |  |  | (38) |  |  | (60)
Generation - North America |  |  | 116 |  |  | 110 |  |  | 4 |  |  | (1) |  |  | 120 |  |  | 109
Generation - Europe |  |  | 84 |  |  | 93 |  |  | - |  |  | 1 |  |  | 84 |  |  | 94
Generation - Asia |  |  | 64 |  |  | 53 |  |  | 1 |  |  | - |  |  | 65 |  |  | 53
Utilities - Latin America |  |  | 44 |  |  | 340 |  |  | 250 |  |  | 253 |  |  | 294 |  |  | 593
Utilities - North America |  |  | 193 |  |  | 89 |  |  | 1 |  |  | 1 |  |  | 194 |  |  | 90
Corp and Other |  |  | 14 |  |  | (9) |  |  | (12) |  |  | (9) |  |  | 2 |  |  | (18)
Reconciliation to Income from Continuing Operations before Taxes |  |  |  |  |  |
Depreciation and amortization |  |  | (341) |  |  | (295)
Interest expense |  |  | (385) |  |  | (381)
Interest income |  |  | 83 |  |  | 96
Other expense |  |  | (15) |  |  | (35)
Other income |  |  | 15 |  |  | 34
Gain on sale of investments |  |  | 5 |  |  | 1
Asset impairment expense |  |  | (18) |  |  | (33)
Foreign currency transaction gains (losses) |  |  | (101) |  |  | 37
Other non-operating expense |  |  | (1) |  |  | -
Income from continuing operations before taxes and equity in earnings of affiliates |  | $ | 201 |  | $ | 614
Six Months Ended |  | Total Adjusted Gross Margin |  | Intersegment |  | External Adjusted Gross Margin
June 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 519 |  | $ | 594 |  | $ | 10 |  | $ | 6 |  | $ | 529 |  | $ | 600
Generation - Tietê |  |  | 449 |  |  | 393 |  |  | (530) |  |  | (493) |  |  | (81) |  |  | (100)
Generation - North America |  |  | 222 |  |  | 216 |  |  | 6 |  |  | 3 |  |  | 228 |  |  | 219
Generation - Europe |  |  | 321 |  |  | 199 |  |  | (7) |  |  | 2 |  |  | 314 |  |  | 201
Generation - Asia |  |  | 122 |  |  | 98 |  |  | 1 |  |  | 1 |  |  | 123 |  |  | 99
Utilities - Latin America |  |  | 211 |  |  | 660 |  |  | 535 |  |  | 498 |  |  | 746 |  |  | 1,158
Utilities - North America |  |  | 406 |  |  | 179 |  |  | 1 |  |  | 1 |  |  | 407 |  |  | 180
Corp and Other |  |  | 61 |  |  | 34 |  |  | (26) |  |  | (22) |  |  | 35 |  |  | 12
Reconciliation to Income from Continuing Operations before Taxes |  |  |  |  |  |
Depreciation and amortization |  |  | (692) |  |  | (576)
Interest expense |  |  | (801) |  |  | (719)
Interest income |  |  | 174 |  |  | 191
Other expense |  |  | (44) |  |  | (50)
Other income |  |  | 33 |  |  | 50
Gain on sale of investments |  |  | 184 |  |  | 7
Asset impairment expense |  |  | (29) |  |  | (33)
Foreign currency transaction gains (losses) |  |  | (102) |  |  | 70
Other non-operating expense |  |  | (50) |  |  | -
Income from continuing operations before taxes and equity in earnings of affiliates |  | $ | 974 |  | $ | 1,309
Assets By Segment Table |
|  |  | Total Assets
|  |  | June 30, 2012 |  | December 31, 2011
|  |  | (in millions)
| Assets |  |  |  |  |  |
| Generation - Latin America - Other |  | $ | 9,120 |  | $ | 9,067
| Generation - Tietê |  |  | 1,422 |  |  | 1,645
| Generation - North America |  |  | 3,568 |  |  | 3,625
| Generation - Europe |  |  | 3,340 |  |  | 3,276
| Generation - Asia |  |  | 2,099 |  |  | 1,717
| Utilities - Latin America |  |  | 8,491 |  |  | 9,468
| Utilities - North America |  |  | 9,245 |  |  | 9,344
| Discontinued businesses |  |  | - |  |  | 1,531
| Corp and Other |  |  | 5,464 |  |  | 5,620
| Total assets |  | $ | 42,749 |  | $ | 45,293

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