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Cash Flow Information | 12 Months Ended
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Dec. 31, 2011
Cash Flow Information [Abstract] |
Cash Flow Information | P. Cash Flow Information Cash paid for interest and income taxes was as follows:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Interest, net of amount capitalized |  | $ | 491 |  |  | $ | 452 |  |  | $ | 396 |
Income taxes, net of amount refunded |  |  | 382 |  |  |  | (67 | ) |  |  | 168 |
The details related to cash paid for acquisitions were as follows:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Assets acquired |  | $ | 253 |  |  | $ | 87 |  |  | $ | 389 |
Liabilities assumed |  |  | (12 | ) |  |  | (15 | ) |  |  | (294 | )
Noncontrolling interests acquired |  |  | — |  |  |  | 4 |  |  |  | — |
Redemption of convertible securities of subsidiary |  |  | — |  |  |  | 40 |  |  |  | — |
Reduction in Alcoa shareholders' equity |  |  | — |  |  |  | 22 |  |  |  | — |
Gain recognized |  |  | — |  |  |  | — |  |  |  | (92 | )
Cash paid |  |  | 241 |  |  |  | 138 |  |  |  | 3 |
Less: cash acquired |  |  | 1 |  |  |  | — |  |  |  | 115 |
Net cash paid (received) |  | $ | 240 |  |  | $ | 138 |  |  | $ | (112 | )
In 2011 and 2010, Alcoa issued $600 in common stock to satisfy a portion of its accrued pension benefits liability (see Notes R and W).

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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