| Contexts |
|---|
| ID | D-2010-Domain |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Period | from 2010-01-01 to 2010-12-31 |
| |
| ID | D-2010 |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Segment | dei:LegalEntityAxis//us-gaap:ParentCompanyMember |
| Period | from 2010-01-01 to 2010-12-31 |
| |
| ID | I-2010-Domain |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Period | at 2010-12-31 |
| |
| ID | D-2010-NMT-1 |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Segment | dei:LegalEntityAxis//us-gaap:ParentCompanyMember |
| Segment | us-gaap:NonmonetaryTransactionTypeAxis//us-gaap:ReceiptOfAssetsInSatisfactionOfDebtMember |
| Period | from 2010-01-01 to 2010-12-31 |
| |
| ID | D-2010-NMT-2 |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Segment | dei:LegalEntityAxis//us-gaap:ParentCompanyMember |
| Segment | us-gaap:NonmonetaryTransactionTypeAxis//us-gaap:AdvertisingBarterTransactionsMember |
| Period | from 2010-01-01 to 2010-12-31 |
| |
| ID | D-2010-NMT-3 |
| Entity ID | 0000000001 |
| Scheme | http://www.sec.gov/CIK |
| Segment | dei:LegalEntityAxis//us-gaap:ParentCompanyMember |
| Segment | us-gaap:NonmonetaryTransactionTypeAxis//us-gaap:InventoryExchangesMember |
| Period | from 2010-01-01 to 2010-12-31 |