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Debt (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Long-Term Debt | Long-Term Debt.
December 31, |  | 2012 |  |  | 2011 |
6% Notes, due 2012 |  | $ | - |  |  | $ | 322 |
6% Notes, due 2013 |  |  | 422 |  |  |  | 422 |
5.25% Convertible Notes, due 2014 |  |  | 575 |  |  |  | 575 |
5.55% Notes, due 2017 |  |  | 750 |  |  |  | 750 |
6.5% Bonds, due 2018 |  |  | 250 |  |  |  | 250 |
6.75% Notes, due 2018 |  |  | 750 |  |  |  | 750 |
5.72% Notes, due 2019 |  |  | 750 |  |  |  | 750 |
6.15% Notes, due 2020 |  |  | 1,000 |  |  |  | 1,000 |
5.40% Notes, due 2021 |  |  | 1,250 |  |  |  | 1,250 |
5.87% Notes, due 2022 |  |  | 627 |  |  |  | 627 |
5.9% Notes, due 2027 |  |  | 625 |  |  |  | 625 |
6.75% Bonds, due 2028 |  |  | 300 |  |  |  | 300 |
5.95% Notes due 2037 |  |  | 625 |  |  |  | 625 |
BNDES Loans, due 2013-2029 (see below for weighted average rates) |  |  | 397 |  |  |  | 627 |
Iowa Finance Authority Loan, due 2042 (4.75%) |  |  | 250 |  |  |  | - |
Other* |  |  | 205 |  |  |  | 212 |
|  |  | 8,776 |  |  |  | 9,085 |
Less: amount due within one year |  |  | 465 |  |  |  | 445 |
|  | $ | 8,311 |  |  | $ | 8,640 |
* | Other includes various financing arrangements related to subsidiaries, unamortized debt discounts related to the outstanding notes and bonds listed in the table above, a beneficial conversion feature related to the convertible notes, and adjustments to the carrying value of long-term debt related to interest swap contracts accounted for as fair value hedges (see the Derivatives section of Note X).

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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