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Segment And Geographic Area Information (Tables) | 12 Months Ended
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Dec. 31, 2011
Segment And Geographic Area Information [Abstract] |
Schedule Of Operating Results And Assets Of Alcoa's Reportable Segments |
|  | Alumina |  |  | Primary Metals |  |  | Flat- Rolled Products |  |  | Engineered Products and Solutions |  |  | Total |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-party sales |  | $ | 3,462 |  |  | $ | 8,240 |  |  | $ | 7,642 |  |  | $ | 5,345 |  |  | $ | 24,689 |
Intersegment sales |  |  | 2,727 |  |  |  | 3,192 |  |  |  | 218 |  |  |  | - |  |  |  | 6,137 |
Total sales |  | $ | 6,189 |  |  | $ | 11,432 |  |  | $ | 7,860 |  |  | $ | 5,345 |  |  | $ | 30,826 |
Profit and loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity income (loss) |  | $ | 25 |  |  | $ | (7 | ) |  | $ | (3 | ) |  | $ | 1 |  |  | $ | 16 |
Depreciation, depletion, and amortization |  |  | 444 |  |  |  | 556 |  |  |  | 237 |  |  |  | 158 |  |  |  | 1,395 |
Income taxes |  |  | 179 |  |  |  | 92 |  |  |  | 104 |  |  |  | 260 |  |  |  | 635 |
ATOI |  |  | 607 |  |  |  | 481 |  |  |  | 266 |  |  |  | 539 |  |  |  | 1,893 |
2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-party sales |  | $ | 2,815 |  |  | $ | 7,070 |  |  | $ | 6,277 |  |  | $ | 4,584 |  |  | $ | 20,746 |
Intersegment sales |  |  | 2,212 |  |  |  | 2,597 |  |  |  | 180 |  |  |  | - |  |  |  | 4,989 |
Total sales |  | $ | 5,027 |  |  | $ | 9,667 |  |  | $ | 6,457 |  |  | $ | 4,584 |  |  | $ | 25,735 |
Profit and loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity income |  | $ | 10 |  |  | $ | 1 |  |  | $ | - |  |  | $ | 2 |  |  | $ | 13 |
Depreciation, depletion, and amortization |  |  | 406 |  |  |  | 571 |  |  |  | 238 |  |  |  | 154 |  |  |  | 1,369 |
Income taxes |  |  | 60 |  |  |  | 96 |  |  |  | 92 |  |  |  | 195 |  |  |  | 443 |
ATOI |  |  | 301 |  |  |  | 488 |  |  |  | 220 |  |  |  | 415 |  |  |  | 1,424 |
2009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-party sales |  | $ | 2,161 |  |  | $ | 5,252 |  |  | $ | 6,069 |  |  | $ | 4,689 |  |  | $ | 18,171 |
Intersegment sales |  |  | 1,534 |  |  |  | 1,836 |  |  |  | 113 |  |  |  | - |  |  |  | 3,483 |
Total sales |  | $ | 3,695 |  |  | $ | 7,088 |  |  | $ | 6,182 |  |  | $ | 4,689 |  |  | $ | 21,654 |
Profit and loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity income (loss) |  | $ | 8 |  |  | $ | (26 | ) |  | $ | - |  |  | $ | 2 |  |  | $ | (16 | )
Depreciation, depletion, and amortization |  |  | 292 |  |  |  | 560 |  |  |  | 227 |  |  |  | 177 |  |  |  | 1,256 |
Income taxes |  |  | (22 | ) |  |  | (365 | ) |  |  | 48 |  |  |  | 139 |  |  |  | (200 | )
ATOI |  |  | 112 |  |  |  | (612 | ) |  |  | (49 | ) |  |  | 315 |  |  |  | (234 | )
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 371 |  |  | $ | 463 |  |  | $ | 157 |  |  | $ | 173 |  |  | $ | 1,164 |
Equity investments |  |  | 450 |  |  |  | 925 |  |  |  | 123 |  |  |  | - |  |  |  | 1,498 |
Goodwill |  |  | 11 |  |  |  | 991 |  |  |  | 208 |  |  |  | 2,666 |  |  |  | 3,876 |
Total assets |  |  | 9,782 |  |  |  | 11,867 |  |  |  | 4,559 |  |  |  | 5,831 |  |  |  | 32,039 |
2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ | 295 |  |  | $ | 380 |  |  | $ | 104 |  |  | $ | 125 |  |  | $ | 904 |
Equity investments |  |  | 413 |  |  |  | 741 |  |  |  | 60 |  |  |  | - |  |  |  | 1,214 |
Goodwill |  |  | 12 |  |  |  | 993 |  |  |  | 207 |  |  |  | 2,523 |  |  |  | 3,735 |
Total assets |  |  | 9,967 |  |  |  | 11,947 |  |  |  | 4,522 |  |  |  | 5,434 |  |  |  | 31,870 |
Schedule Of Reconciliation Of Certain Segment Information To Consolidated Totals |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Sales: |  |  |  |  |  |  |  |  |  |  |  |
Total segment sales |  | $ | 30,826 |  |  | $ | 25,735 |  |  | $ | 21,654 |
Elimination of intersegment sales |  |  | (6,137 | ) |  |  | (4,989 | ) |  |  | (3,483 | )
Corporate* |  |  | 262 |  |  |  | 267 |  |  |  | 268 |
Consolidated sales |  | $ | 24,951 |  |  | $ | 21,013 |  |  | $ | 18,439 |
* | For all periods presented, the Corporate amount includes third-party sales of three soft alloy extrusion facilities located in Brazil.
Schedule Of Segment Reporting Information To Consolidate Net Income (Loss) Attributable To Alcoa |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Net income (loss) attributable to Alcoa: |  |  |  |  |  |  |  |  |  |  |  |
Total segment ATOI |  | $ | 1,893 |  |  | $ | 1,424 |  |  | $ | (234 | )
Unallocated amounts (net of tax): |  |  |  |  |  |  |  |  |  |  |  |
Impact of LIFO |  |  | (38 | ) |  |  | (16 | ) |  |  | 235 |
Interest expense |  |  | (340 | ) |  |  | (321 | ) |  |  | (306 | )
Noncontrolling interests |  |  | (194 | ) |  |  | (138 | ) |  |  | (61 | )
Corporate expense |  |  | (290 | ) |  |  | (291 | ) |  |  | (304 | )
Restructuring and other charges |  |  | (196 | ) |  |  | (134 | ) |  |  | (155 | )
Discontinued operations |  |  | (3 | ) |  |  | (8 | ) |  |  | (166 | )
Other |  |  | (221 | ) |  |  | (262 | ) |  |  | (160 | )
Consolidated net income (loss) attributable to Alcoa |  | $ | 611 |  |  | $ | 254 |  |  | $ | (1,151 | )
Schedule Of Segment Reporting Information To Consolidated Assets |
December 31, |  | 2011 |  |  | 2010 |
Assets: |  |  |  |  |  |  |  |
Total segment assets |  | $ | 32,039 |  |  | $ | 31,870 |
Elimination of intersegment receivables |  |  | (483 | ) |  |  | (471 | )
Unallocated amounts: |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 1,939 |  |  |  | 1,543 |
Deferred income taxes |  |  | 3,738 |  |  |  | 3,400 |
Corporate goodwill |  |  | 1,375 |  |  |  | 1,387 |
Corporate fixed assets, net |  |  | 943 |  |  |  | 930 |
LIFO reserve |  |  | (801 | ) |  |  | (742 | )
Other |  |  | 1,370 |  |  |  | 1,376 |
Consolidated assets |  | $ | 40,120 |  |  | $ | 39,293 |
Schedule Of Geographic Information For Sales |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Sales: |  |  |  |  |  |  |  |  |  |  |  |
U.S.* |  | $ | 12,295 |  |  | $ | 10,560 |  |  | $ | 9,546 |
Australia |  |  | 3,587 |  |  |  | 2,842 |  |  |  | 2,287 |
Spain |  |  | 1,487 |  |  |  | 1,234 |  |  |  | 1,099 |
Brazil |  |  | 1,371 |  |  |  | 1,182 |  |  |  | 897 |
Netherlands** |  |  | 1,025 |  |  |  | 940 |  |  |  | 1,002 |
Norway |  |  | 927 |  |  |  | 809 |  |  |  | 477 |
France |  |  | 825 |  |  |  | 662 |  |  |  | 669 |
Russia |  |  | 761 |  |  |  | 584 |  |  |  | 383 |
Hungary |  |  | 665 |  |  |  | 505 |  |  |  | 419 |
Italy |  |  | 537 |  |  |  | 418 |  |  |  | 394 |
United Kingdom |  |  | 412 |  |  |  | 331 |  |  |  | 379 |
China |  |  | 283 |  |  |  | 188 |  |  |  | 156 |
Germany |  |  | 229 |  |  |  | 231 |  |  |  | 260 |
Other |  |  | 547 |  |  |  | 527 |  |  |  | 471 |
|  | $ | 24,951 |  |  | $ | 21,013 |  |  | $ | 18,439 |
* | Sales that occurred in the U.S. include a portion of alumina from Alcoa's refineries in Suriname, Brazil, Australia, and Jamaica and aluminum from the Company's smelters in Canada.
** | Sales that occurred in the Netherlands include aluminum from Alcoa's smelter in Iceland.
Schedule Of Geographic Information For Long-Lived Assets |
December 31, |  | 2011 |  |  | 2010 |
Long-lived assets: |  |  |  |  |  |  |  |
Brazil |  | $ | 4,844 |  |  | $ | 5,470 |
U.S. |  |  | 4,573 |  |  |  | 4,528 |
Australia |  |  | 3,390 |  |  |  | 3,380 |
Iceland |  |  | 1,615 |  |  |  | 1,633 |
Canada |  |  | 1,447 |  |  |  | 1,440 |
Norway |  |  | 894 |  |  |  | 981 |
Russia |  |  | 531 |  |  |  | 554 |
Spain |  |  | 451 |  |  |  | 483 |
China |  |  | 424 |  |  |  | 410 |
Jamaica |  |  | 417 |  |  |  | 435 |
Other |  |  | 830 |  |  |  | 869 |
|  | $ | 19,416 |  |  | $ | 20,183 |

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