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Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 910

-SubTopic 310

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6471494&loc=d3e49354-109356

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3(c))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph c

-Article 5

+ Details

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations and noncurrent portion of deferred revenue not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total Universal Service Funds and other surcharges recorded gross in revenues taht are billed to customers and remitted to governmental authorities.

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying amount, as of the balance sheet date, of current obligations and current portion of deferred revenue not separately disclosed in the balance sheet. Current liabilities are expected to be paid within one year. Deferred revenue is a liability related to a revenue producing activity for which revenue has not been recognized, and is expected to be recognized within the next twelve months.

+ References

No definition available.

+ Details

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Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Basis of Presentation
Amounts recorded gross in revenues that are billed to customers and remitted to governmental authorities	$ 23.1	$ 27.4	$ 74.8	$ 87.6
TDS
Basis of Presentation
TDS ownership of U.S. Cellular	84.00%		84.00%
Equipment installment plans
Basis of Presentation
Maximum installment period under equipment installment plans			24 months
Equipment installment plans \| Customer deposits and deferred revenue
Basis of Presentation
Current guarantee liability and imputed interest	42.2		42.2
Equipment installment plans \| Other deferred liabilities and credits
Basis of Presentation
Long-term imputed interest	2.4		2.4
Equipment installment plans \| Accounts receivable customers and agents
Basis of Presentation
Equipment installment plan receivables	68.6		68.6
Equipment installment plans \| Other assets and deferred charges
Basis of Presentation
Equipment installment plan receivables	$ 60.0		$ 60.0