XML 1133 R18.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Other Noncurrent Assets | 12 Months Ended
--- | ---
Dec. 31, 2012
Other Noncurrent Assets | J. Other Noncurrent Assets
December 31, |  | 2012 |  |  | 2011 |
Intangibles, net (E) |  | $ | 407 |  |  | $ | 481 |
Cash surrender value of life insurance |  |  | 464 |  |  |  | 455 |
Value-added tax receivable |  |  | 408 |  |  |  | 510 |
Fair value of derivative contracts (X) |  |  | 364 |  |  |  | 44 |
Prepaid gas transmission contract (N) |  |  | 363 |  |  |  | 346 |
Deferred mining costs, net |  |  | 223 |  |  |  | 221 |
Prepaid pension benefit (W) |  |  | 86 |  |  |  | 109 |
Unamortized debt expense |  |  | 86 |  |  |  | 98 |
Assets held for sale (B) |  |  | 2 |  |  |  | 243 |
Other |  |  | 309 |  |  |  | 289 |
|  | $ | 2,712 |  |  | $ | 2,796 |

X
- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
Name: | us-gaap_OtherAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration