XML 165 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Quarterly Data (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Quarterly Data [Abstract] |
Schedule Of Quarterly Data |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |  |  | Year |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  | $ | 5,958 |  |  | $ | 6,585 |  |  | $ | 6,419 |  |  | $ | 5,989 |  |  | $ | 24,951 |
Amounts attributable to Alcoa common shareholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 309 |  |  | $ | 326 |  |  | $ | 172 |  |  | $ | (193 | ) |  | $ | 614 |
(Loss) income from discontinued operations |  |  | (1 | ) |  |  | (4 | ) |  |  | — |  |  |  | 2 |  |  |  | (3 | )
Net income (loss) |  | $ | 308 |  |  | $ | 322 |  |  | $ | 172 |  |  | $ | (191 | ) |  | $ | 611 |
Earnings per share attributable to Alcoa common shareholders*: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 0.29 |  |  | $ | 0.31 |  |  | $ | 0.16 |  |  | $ | (0.18 | ) |  | $ | 0.58 |
(Loss) income from discontinued operations |  |  | — |  |  |  | (0.01 | ) |  |  | — |  |  |  | — |  |  |  | (0.01 | )
Net income (loss) |  | $ | 0.29 |  |  | $ | 0.30 |  |  | $ | 0.16 |  |  | $ | (0.18 | ) |  | $ | 0.57 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | 0.27 |  |  | $ | 0.28 |  |  | $ | 0.15 |  |  | $ | (0.18 | ) |  | $ | 0.55 |
(Loss) income from discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net income (loss) |  | $ | 0.27 |  |  | $ | 0.28 |  |  | $ | 0.15 |  |  | $ | (0.18 | ) |  | $ | 0.55 |
2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  | $ | 4,887 |  |  | $ | 5,187 |  |  | $ | 5,287 |  |  | $ | 5,652 |  |  | $ | 21,013 |
Amounts attributable to Alcoa common shareholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations |  | $ | (194 | ) |  | $ | 137 |  |  | $ | 61 |  |  | $ | 258 |  |  | $ | 262 |
Loss from discontinued operations |  |  | (7 | ) |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | (8 | )
Net (loss) income |  | $ | (201 | ) |  | $ | 136 |  |  | $ | 61 |  |  | $ | 258 |  |  | $ | 254 |
Earnings per share attributable to Alcoa common shareholders*: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations |  | $ | (0.19 | ) |  | $ | 0.13 |  |  | $ | 0.06 |  |  | $ | 0.25 |  |  | $ | 0.25 |
Loss from discontinued operations |  |  | (0.01 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net (loss) income |  | $ | (0.20 | ) |  | $ | 0.13 |  |  | $ | 0.06 |  |  | $ | 0.25 |  |  | $ | 0.25 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from continuing operations |  | $ | (0.19 | ) |  | $ | 0.13 |  |  | $ | 0.06 |  |  | $ | 0.24 |  |  | $ | 0.25 |
Loss from discontinued operations |  |  | (0.01 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.01 | )
Net (loss) income |  | $ | (0.20 | ) |  | $ | 0.13 |  |  | $ | 0.06 |  |  | $ | 0.24 |  |  | $ | 0.24 |
* | Per share amounts are calculated independently for each period presented; therefore, the sum of the quarterly per share amounts may not equal the per share amounts for the year.

X
- Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 270 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a)-(j) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration