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Fair Value Measurements (Table) | 12 Months Ended
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Dec. 31, 2011
Fair Value Disclosures [Abstract] |
Fair value measurements |
|  |  | December 31, |  |  | December 31, |
|  |  | 2011 |  |  | 2010 |
|  |  | Book Value |  |  |  | Fair Value |  |  | Book Value |  |  | Fair Value |
(Dollars in thousands) |  |
Cash and cash equivalents (1) | $ | 424,155 |  |  | $ | 424,155 |  |  | $ | 276,915 |  |  | $ | 276,915 |
Short-term investments (2)(3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Certificates of deposit |  | — |  |  |  | — |  |  |  | 250 |  |  |  | 250 |
| Government-backed securities (4) |  | 127,039 |  |  |  | 127,039 |  |  |  | 146,336 |  |  |  | 146,336 |
Long-term investments (2)(5) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Government-backed securities (4) |  | 30,057 |  |  |  | 30,140 |  |  |  | 46,033 |  |  |  | 46,034 |
Long-term debt (6) |  | 876,111 |  |  |  | 899,022 |  |  |  | 863,657 |  |  |  | 850,374 |
In preparing its Consolidated Statement of Cash Flows for the year ended December 31, 2011, U.S. Cellular discovered certain errors related to the classification of outstanding checks with the right of offset. This error resulted in the misstatement of Cash for the year ended December 31, 2010. The amounts herein have been revised to reflect the proper amounts. See Note 2 — Revision of Prior Period Amounts for additional information. Designated as held-to-maturity investments and are recorded at amortized cost in the Consolidated Balance Sheet. Maturities are less than twelve months from the respective balance sheet dates. Includes U.S. treasuries and corporate notes guaranteed under the Federal Deposit Insurance Corporation's Temporary Liquidity Guarantee Program. Maturities range between 18 and 21 months from the balance sheet date. Excludes capital lease obligations and current portion of Long-term debt.

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13476-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13467-108611 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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