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Pension And Other Postretirement Benefits | 9 Months Ended
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Sep. 30, 2011
Pension And Other Postretirement Benefits |
Pension And Other Postretirement Benefits | O. Pension and Other Postretirement Benefits – The components of net periodic benefit cost were as follows:
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Pension benefits |  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Service cost |  | $ | 41 |  |  | $ | 38 |  |  | $ | 123 |  |  | $ | 111 |
Interest cost |  |  | 169 |  |  |  | 170 |  |  |  | 509 |  |  |  | 510 |
Expected return on plan assets |  |  | (202 | ) |  |  | (195 | ) |  |  | (605 | ) |  |  | (586 | )
Amortization of prior service cost |  |  | 5 |  |  |  | 4 |  |  |  | 14 |  |  |  | 12 |
Recognized net actuarial loss |  |  | 63 |  |  |  | 46 |  |  |  | 187 |  |  |  | 135 |
Net periodic benefit cost |  | $ | 76 |  |  | $ | 63 |  |  | $ | 228 |  |  | $ | 182 |
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Other postretirement benefits |  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Service cost |  | $ | 5 |  |  | $ | 5 |  |  | $ | 13 |  |  | $ | 15 |
Interest cost |  |  | 40 |  |  |  | 44 |  |  |  | 119 |  |  |  | 131 |
Expected return on plan assets |  |  | (1 | ) |  |  | (2 | ) |  |  | (2 | ) |  |  | (5 | )
Amortization of prior service benefit |  |  | (5 | ) |  |  | (4 | ) |  |  | (13 | ) |  |  | (11 | )
Recognized net actuarial loss |  |  | 7 |  |  |  | 8 |  |  |  | 20 |  |  |  | 24 |
Settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3 | )
Net periodic benefit cost |  | $ | 46 |  |  | $ | 51 |  |  | $ | 137 |  |  | $ | 151 |
On January 24, 2011, Alcoa contributed newly issued shares (see Note K) of its common stock (valued at $600) to a master trust that holds the assets of certain U.S. defined benefit pension plans in a private placement transaction. These shares were issued to satisfy the estimated minimum required funding and to provide additional funding towards maintaining an approximately 80% funded status of Alcoa's U.S. pension plans.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 264 -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 Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7, 21, 22 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -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. 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Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph h -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 30 -Paragraph 26 -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 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph a -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 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-2 -Paragraph 8 -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. 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Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph q -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 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 106 -Paragraph 518 -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. + Details
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