| Component: (Network and Table) | |
|---|---|
| Network | NF: Schedule: Other Liabilities, by Current and Noncurrent Portion (http://xasb.org/gaap/role/schedule/level4/OtherLiabilitiesDetails) |
| Table | Other Liabilities, Current and Noncurrent Breakdown [Table] |
| Other Liabilities, Current and Noncurrent Breakdown [Line Items] | Period [Axis] | |
|---|---|---|
2010-12-31 | 2009-12-31 | |