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v2.4.0.6

Segments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011
Revenue |  |  |  |  |
Total Revenue | $ 4,453 | $ 4,704 | $ 9,487 | $ 9,114 |
Intersegment | (261) | (269) | (555) | (523) |
External Revenue | 4,192 | 4,435 | 8,932 | 8,591 |
Reconciliation To Income From Continuing Operations Before Taxes |  |  |  |  |
Depreciation and amortization | 341 | 295 | 692 | 576 |
Interest expense | (385) | (381) | (801) | (719) |
Interest income | 83 | 96 | 174 | 191 |
Other expense | (15) | (35) | (44) | (50) |
Other income | 15 | 34 | 33 | 50 |
Gain on sale of investments | 5 | 1 | 184 | 7 |
Asset impairment expense | (18) | (33) | (29) | (33) |
Foreign currency transaction gains (losses) | (101) | 37 | (102) | 70 |
Other non-operating expense | (1) | 0 | (50) | 0 |
Income from continuing operations before taxes and equity in earnings of affiliates | 201 | 614 | 974 | 1,309 |
Assets |  |  |  |  |
Total Assets | 42,749 |  | 42,749 |  | 45,293
Generation Latin America Other [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 1,029 | 1,122 | 1,988 | 2,000 |
Intersegment | (9) | (11) | (19) | (20) |
External Revenue | 1,020 | 1,111 | 1,969 | 1,980 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 232 | 326 | 519 | 594 |
Intersegment | 6 | 3 | 10 | 6 |
External Adjusted Gross Margin | 238 | 329 | 529 | 600 |
Assets |  |  |  |  |
Total Assets | 9,120 |  | 9,120 |  | 9,067
Generation Tiete [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Generation Capacity (MW) | 2,663 |  | 2,663 |  |
Revenue |  |  |  |  |
Total Revenue | 274 | 256 | 579 | 509 |
Intersegment | (248) | (251) | (530) | (493) |
External Revenue | 26 | 5 | 49 | 16 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 210 | 191 | 449 | 393 |
Intersegment | (248) | (251) | (530) | (493) |
External Adjusted Gross Margin | (38) | (60) | (81) | (100) |
Assets |  |  |  |  |
Total Assets | 1,422 |  | 1,422 |  | 1,645
Generation North America [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 328 | 339 | 645 | 673 |
Intersegment | 0 | (4) | 0 | (4) |
External Revenue | 328 | 335 | 645 | 669 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 116 | 110 | 222 | 216 |
Intersegment | 4 | (1) | 6 | 3 |
External Adjusted Gross Margin | 120 | 109 | 228 | 219 |
Assets |  |  |  |  |
Total Assets | 3,568 |  | 3,568 |  | 3,625
Generation Europe [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 233 | 328 | 683 | 728 |
Intersegment | (1) | 0 | (1) | (1) |
External Revenue | 232 | 328 | 682 | 727 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 84 | 93 | 321 | 199 |
Intersegment | 0 | 1 | (7) | 2 |
External Adjusted Gross Margin | 84 | 94 | 314 | 201 |
Assets |  |  |  |  |
Total Assets | 3,340 |  | 3,340 |  | 3,276
Generation Asia [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 181 | 162 | 362 | 277 |
Intersegment | 0 | 0 | 0 | 0 |
External Revenue | 181 | 162 | 362 | 277 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 64 | 53 | 122 | 98 |
Intersegment | 1 | 0 | 1 | 1 |
External Adjusted Gross Margin | 65 | 53 | 123 | 99 |
Assets |  |  |  |  |
Total Assets | 2,099 |  | 2,099 |  | 1,717
Utilities Latin America [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 1,446 | 1,944 | 3,180 | 3,784 |
Intersegment | 0 | 0 | 0 | 0 |
External Revenue | 1,446 | 1,944 | 3,180 | 3,784 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 44 | 340 | 211 | 660 |
Intersegment | 250 | 253 | 535 | 498 |
External Adjusted Gross Margin | 294 | 593 | 746 | 1,158 |
Assets |  |  |  |  |
Total Assets | 8,491 |  | 8,491 |  | 9,468
Utilities North America [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 678 | 280 | 1,410 | 569 |
Intersegment | 0 | 0 | 0 | 0 |
External Revenue | 678 | 280 | 1,410 | 569 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 193 | 89 | 406 | 179 |
Intersegment | 1 | 1 | 1 | 1 |
External Adjusted Gross Margin | 194 | 90 | 407 | 180 |
Assets |  |  |  |  |
Total Assets | 9,245 |  | 9,245 |  | 9,344
Segment Discontinued Operations [Member] |  |  |  |  |
Assets |  |  |  |  |
Total Assets | 0 |  | 0 |  | 1,531
Corporate Other And Other Eliminations [Member] |  |  |  |  |
Revenue |  |  |  |  |
Total Revenue | 284 | 273 | 640 | 574 |
Intersegment | (3) | (3) | (5) | (5) |
External Revenue | 281 | 270 | 635 | 569 |
Adjusted Gross Margin |  |  |  |  |
Adjusted Gross Margin | 14 | (9) | 61 | 34 |
Intersegment | (12) | (9) | (26) | (22) |
External Adjusted Gross Margin | 2 | (18) | 35 | 12 |
Assets |  |  |  |  |
Total Assets | $ 5,464 |  | $ 5,464 |  | $ 5,620

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