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Segments (Tables) | 3 Months Ended
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Sep. 30, 2012
Segments Tables [Abstract] |
Revenue By Segment Table |
Three Months Ended |  | Total Revenue |  | Intersegment |  | External Revenue
September 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 1,036 |  | $ | 984 |  | $ | (10) |  | $ | (8) |  | $ | 1,026 |  | $ | 976
Generation - Tietê |  |  | 268 |  |  | 317 |  |  | (260) |  |  | (320) |  |  | 8 |  |  | (3)
Generation - North America |  |  | 359 |  |  | 334 |  |  | - |  |  | - |  |  | 359 |  |  | 334
Generation - Europe |  |  | 245 |  |  | 397 |  |  | - |  |  | - |  |  | 245 |  |  | 397
Generation - Asia |  |  | 191 |  |  | 172 |  |  | - |  |  | - |  |  | 191 |  |  | 172
Utilities - Latin America |  |  | 1,667 |  |  | 1,898 |  |  | - |  |  | - |  |  | 1,667 |  |  | 1,898
Utilities - North America |  |  | 796 |  |  | 321 |  |  | - |  |  | - |  |  | 796 |  |  | 321
Corp and Other |  |  | 297 |  |  | 214 |  |  | (2) |  |  | (2) |  |  | 295 |  |  | 212
Total Revenue |  | $ | 4,859 |  | $ | 4,637 |  | $ | (272) |  | $ | (330) |  | $ | 4,587 |  | $ | 4,307
Nine Months Ended |  | Total Revenue |  | Intersegment |  | External Revenue
September 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 3,024 |  | $ | 2,984 |  | $ | (29) |  | $ | (28) |  | $ | 2,995 |  | $ | 2,956
Generation - Tietê |  |  | 847 |  |  | 826 |  |  | (790) |  |  | (813) |  |  | 57 |  |  | 13
Generation - North America |  |  | 1,004 |  |  | 1,007 |  |  | - |  |  | (4) |  |  | 1,004 |  |  | 1,003
Generation - Europe |  |  | 928 |  |  | 1,125 |  |  | (1) |  |  | (1) |  |  | 927 |  |  | 1,124
Generation - Asia |  |  | 553 |  |  | 449 |  |  | - |  |  | - |  |  | 553 |  |  | 449
Utilities - Latin America |  |  | 4,847 |  |  | 5,682 |  |  | - |  |  | - |  |  | 4,847 |  |  | 5,682
Utilities - North America |  |  | 2,206 |  |  | 890 |  |  | - |  |  | - |  |  | 2,206 |  |  | 890
Corp and Other |  |  | 937 |  |  | 788 |  |  | (7) |  |  | (7) |  |  | 930 |  |  | 781
Total Revenue |  | $ | 14,346 |  | $ | 13,751 |  | $ | (827) |  | $ | (853) |  | $ | 13,519 |  | $ | 12,898
Adjusted Gross Margin by Segment Table |
Three Months Ended |  | Total Adjusted Gross Margin |  | Intersegment |  | External Adjusted Gross Margin
September 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 301 |  | $ | 258 |  | $ | 5 |  | $ | (10) |  | $ | 306 |  | $ | 248
Generation - Tietê |  |  | 204 |  |  | 248 |  |  | (260) |  |  | (320) |  |  | (56) |  |  | (72)
Generation - North America |  |  | 133 |  |  | 119 |  |  | 2 |  |  | 3 |  |  | 135 |  |  | 122
Generation - Europe |  |  | 98 |  |  | 128 |  |  | 2 |  |  | 2 |  |  | 100 |  |  | 130
Generation - Asia |  |  | 66 |  |  | 35 |  |  | - |  |  | - |  |  | 66 |  |  | 35
Utilities - Latin America |  |  | 147 |  |  | 381 |  |  | 261 |  |  | 322 |  |  | 408 |  |  | 703
Utilities - North America |  |  | 262 |  |  | 112 |  |  | - |  |  | - |  |  | 262 |  |  | 112
Corp and Other |  |  | 44 |  |  | (68) |  |  | 2 |  |  | 13 |  |  | 46 |  |  | (55)
Reconciliation to Income from Continuing Operations before Taxes |  |  |  |  |  |
Depreciation and amortization |  |  | (327) |  |  | (303)
Interest expense |  |  | (401) |  |  | (418)
Interest income |  |  | 89 |  |  | 102
Other expense |  |  | (15) |  |  | (76)
Other income |  |  | 7 |  |  | 57
Gain on sale of investments |  |  | 30 |  |  | -
Goodwill impairment |  |  | (1,850) |  |  | (17)
Asset impairment expense |  |  | (43) |  |  | (130)
Foreign currency transaction losses |  |  | (8) |  |  | (90)
Other non-operating expense |  |  | - |  |  | (82)
Income from continuing operations before taxes and equity in earnings of affiliates |  | $ | (1,251) |  | $ | 266
Nine Months Ended |  | Total Adjusted Gross Margin |  | Intersegment |  | External Adjusted Gross Margin
September 30, |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (in millions)
Generation - Latin America - Other |  | $ | 820 |  | $ | 852 |  | $ | 15 |  | $ | (4) |  | $ | 835 |  | $ | 848
Generation - Tietê |  |  | 653 |  |  | 641 |  |  | (790) |  |  | (813) |  |  | (137) |  |  | (172)
Generation - North America |  |  | 355 |  |  | 335 |  |  | 8 |  |  | 6 |  |  | 363 |  |  | 341
Generation - Europe |  |  | 419 |  |  | 327 |  |  | (5) |  |  | 4 |  |  | 414 |  |  | 331
Generation - Asia |  |  | 188 |  |  | 133 |  |  | 1 |  |  | 1 |  |  | 189 |  |  | 134
Utilities - Latin America |  |  | 358 |  |  | 1,041 |  |  | 796 |  |  | 820 |  |  | 1,154 |  |  | 1,861
Utilities - North America |  |  | 668 |  |  | 291 |  |  | 1 |  |  | 1 |  |  | 669 |  |  | 292
Corp and Other |  |  | 105 |  |  | (34) |  |  | (24) |  |  | (9) |  |  | 81 |  |  | (43)
Reconciliation to Income from Continuing Operations before Taxes |  |  |  |  |  |
Depreciation and amortization |  |  | (1,019) |  |  | (879)
Interest expense |  |  | (1,202) |  |  | (1,137)
Interest income |  |  | 263 |  |  | 293
Other expense |  |  | (59) |  |  | (126)
Other income |  |  | 40 |  |  | 107
Gain on sale of investments |  |  | 214 |  |  | 7
Goodwill impairment |  |  | (1,850) |  |  | (17)
Asset impairment expense |  |  | (72) |  |  | (163)
Foreign currency transaction losses |  |  | (110) |  |  | (20)
Other non-operating expense |  |  | (50) |  |  | (82)
Income from continuing operations before taxes and equity in earnings of affiliates |  | $ | (277) |  | $ | 1,575
Assets By Segment Table |
|  |  | Total Assets
|  |  | September 30, 2012 |  | December 31, 2011
|  |  | (in millions)
| Assets |  |  |  |  |  |
| Generation - Latin America - Other |  | $ | 9,168 |  | $ | 9,067
| Generation - Tietê |  |  | 1,486 |  |  | 1,645
| Generation - North America |  |  | 3,584 |  |  | 3,625
| Generation - Europe |  |  | 3,398 |  |  | 3,276
| Generation - Asia |  |  | 2,281 |  |  | 1,717
| Utilities - Latin America |  |  | 8,500 |  |  | 9,468
| Utilities - North America |  |  | 7,430 |  |  | 9,397
| Discontinued businesses |  |  | 24 |  |  | 1,576
| Corp and Other |  |  | 5,485 |  |  | 5,575
| Total assets |  | $ | 41,356 |  | $ | 45,346

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