XML 65 R45.htm IDEA: XBRL DOCUMENT
v2.3.0.15

Acquisitions, Divestures and Exchanges 2 (Details) (USD $) | Dec. 31, 2008
--- | ---
Acquisition [Abstract] |
Amortizable goodwill acquired | $ 1,600,000

X
- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph k + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | usm_AcquisitionAbstract
Namespace Prefix: | usm
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration