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Statement Of Consolidated Comprehensive (Loss) Income (USD $) In Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Net income (loss) | $ 225 | $ 109 | $ 968 | $ 100
Other comprehensive (loss) income, net of tax: |  |  |  |
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits | 63 | 30 | 162 | (8)
Foreign currency translation adjustments | (1,459) | 1,137 | (556) | 593
Unrealized (losses) gains on available-for-sale securities: |  |  |  |
Unrealized holding (losses) gains | (2) | 1 | (1) | (1)
Net amount reclassified to earnings |  |  |  | 2
Net change in unrealized (losses) gains on available-for-sale securities | (2) | 1 | (1) | 1
Unrecognized gains (losses) on derivatives (P): |  |  |  |
Net change from periodic revaluations | 150 | (250) | 71 | (35)
Net amount reclassified to earnings | 33 | 28 | 115 | 107
Net unrecognized gains (losses) on derivatives | 183 | (222) | 186 | 72
Total Other comprehensive (loss) income, net of tax | (1,215) | 946 | (209) | 658
Comprehensive (loss) income | (990) | 1,055 | 759 | 758
Alcoa Inc. [Member] |  |  |  |
Net income (loss) | 172 | 61 | 802 | (4)
Other comprehensive (loss) income, net of tax: |  |  |  |
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits | 62 | 29 | 158 | (11)
Foreign currency translation adjustments | (1,108) | 895 | (386) | 342
Unrealized (losses) gains on available-for-sale securities: |  |  |  |
Unrealized holding (losses) gains | (2) | 1 | (1) | (1)
Net amount reclassified to earnings |  |  |  | 2
Net change in unrealized (losses) gains on available-for-sale securities | (2) | 1 | (1) | 1
Unrecognized gains (losses) on derivatives (P): |  |  |  |
Net change from periodic revaluations | 149 | (248) | 65 | (35)
Net amount reclassified to earnings | 32 | 28 | 114 | 107
Net unrecognized gains (losses) on derivatives | 181 | (220) | 179 | 72
Total Other comprehensive (loss) income, net of tax | (867) | 705 | (50) | 404
Comprehensive (loss) income | (695) | 766 | 752 | 400
Non-Controlling Interests [Member] |  |  |  |
Net income (loss) | 53 | 48 | 166 | 104
Other comprehensive (loss) income, net of tax: |  |  |  |
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits | 1 | 1 | 4 | 3
Foreign currency translation adjustments | (351) | 242 | (170) | 251
Unrealized (losses) gains on available-for-sale securities: |  |  |  |
Unrealized holding (losses) gains |  |  |  |
Net amount reclassified to earnings |  |  |  |
Net change in unrealized (losses) gains on available-for-sale securities |  |  |  |
Unrecognized gains (losses) on derivatives (P): |  |  |  |
Net change from periodic revaluations | 1 | (2) | 6 |
Net amount reclassified to earnings | 1 |  | 1 |
Net unrecognized gains (losses) on derivatives | 2 | (2) | 7 |
Total Other comprehensive (loss) income, net of tax | (348) | 241 | (159) | 254
Comprehensive (loss) income | $ (295) | $ 289 | $ 7 | $ 358

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