Inventory Accounting Policy
Inventories are carried at the lower of cost or market, with cost for a substantial portion of U.S. and Canadian inventories determined under the last-in, first-out (LIFO) method. The cost of other inventories is principally determined under the average-cost method.
Source: Alcoa Inc., Annual Report
Inventory Disclosure
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Alcoa Inc., Statement of Financial Position, Inventory
Source: Based on data from Alcoa Inc. Annual Reports
| Item |
Description |
The company |
| Finished goods |
Carrying amount as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. |
Alcoa Inc.'s finished goods increased from 2009 to 2010 and from 2010 to 2011.
|
| Work-in-process |
Carrying amount as of the balance sheet date of merchandise or goods which are partially completed, are generally comprised of raw materials, labor and factory overhead costs, and which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing. |
Alcoa Inc.'s work-in-process increased from 2009 to 2010 and from 2010 to 2011.
|
| Purchased raw materials |
Carrying amount as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product. |
Alcoa Inc.'s purchased raw materials increased from 2009 to 2010 and from 2010 to 2011.
|
| Operating supplies |
Carrying amount as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods. |
Alcoa Inc.'s operating supplies increased from 2009 to 2010 and from 2010 to 2011.
|
| Inventories |
Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer). |
Alcoa Inc.'s inventories increased from 2009 to 2010 and from 2010 to 2011.
|
Adjustment to Inventory: from LIFO to FIFO
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Adjusting LIFO Inventory to FIFO (Current) Cost
Alcoa Inc.'s inventory value on Dec 31, 2011 would be $3,700 (in millions) if the FIFO inventory method was used instead of LIFO. Alcoa Inc.'s inventories, valued on a LIFO basis, on Dec 31, 2011 were $2,899 . Alcoa Inc.'s inventories would have been $801 higher than reported on Dec 31, 2011 if the FIFO method had been used instead.
Adjusted Ratios: LIFO vs. FIFO (Summary)
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Alcoa Inc., adjusted ratios

| Ratio |
Description |
The company |
| Adjusted current ratio |
A liquidity ratio calculated as adjusted current assets divided by current liabilities. |
Alcoa Inc.'s adjusted current ratio improved from 2009 to 2010 but then deteriorated significantly from 2010 to 2011.
|
| Adjusted net profit margin |
An indicator of profitability, calculated as adjusted net income divided by revenue. |
Alcoa Inc.'s adjusted net profit margin improved from 2009 to 2010 and from 2010 to 2011.
|
| Adjusted total asset turnover |
An activity ratio calculated as total revenue divided by adjusted total assets. |
Alcoa Inc.'s adjusted total asset turnover improved from 2009 to 2010 and from 2010 to 2011.
|
| Adjusted financial leverage |
A measure of financial leverage calculated as adjusted total assets divided by adjusted total equity. Financial leverage is the extent to which a company can effect, through the use of debt, a proportional change in the return on common equity that is greater than a given proportional change in operating income. |
Alcoa Inc.'s adjusted financial leverage declined from 2009 to 2010 but then slightly increased from 2010 to 2011.
|
| Adjusted ROE |
A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity. |
Alcoa Inc.'s adjusted ROE improved from 2009 to 2010 and from 2010 to 2011.
|
| Adjusted ROA |
A profitability ratio calculated as adjusted net income divided by adjusted total assets. |
Alcoa Inc.'s adjusted ROA improved from 2009 to 2010 and from 2010 to 2011.
|
Adjusted Current Ratio
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted current ratio |
A liquidity ratio calculated as adjusted current assets divided by current liabilities. |
Alcoa Inc.'s adjusted current ratio improved from 2009 to 2010 but then deteriorated significantly from 2010 to 2011.
|
Adjusted Net Profit Margin
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted net profit margin |
An indicator of profitability, calculated as adjusted net income divided by revenue. |
Alcoa Inc.'s adjusted net profit margin improved from 2009 to 2010 and from 2010 to 2011.
|
Adjusted Total Asset Turnover
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted total asset turnover |
An activity ratio calculated as total revenue divided by adjusted total assets. |
Alcoa Inc.'s adjusted total asset turnover improved from 2009 to 2010 and from 2010 to 2011.
|
Adjusted Financial Leverage
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted financial leverage |
A measure of financial leverage calculated as adjusted total assets divided by adjusted total equity. Financial leverage is the extent to which a company can effect, through the use of debt, a proportional change in the return on common equity that is greater than a given proportional change in operating income. |
Alcoa Inc.'s adjusted financial leverage declined from 2009 to 2010 but then slightly increased from 2010 to 2011.
|
Adjusted Return On Equity (ROE)
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted ROE |
A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity. |
Alcoa Inc.'s adjusted ROE improved from 2009 to 2010 and from 2010 to 2011.
|
Adjusted Return On Assets (ROA)
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2011 Calculations
| Ratio |
Description |
The company |
| Adjusted ROA |
A profitability ratio calculated as adjusted net income divided by adjusted total assets. |
Alcoa Inc.'s adjusted ROA improved from 2009 to 2010 and from 2010 to 2011.
|