Represents the number of categories in which the entity categorizes its products and services.

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Represents the taxes and surcharges on revenues from universal service funds (USF), which are included in operating revenues and expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	ctq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Details

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

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- Details

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Products and Services Revenues (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	3 Months Ended		6 Months Ended	3 Months Ended		6 Months Ended	3 Months Ended		6 Months Ended	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 item	Jun. 30, 2012 Strategic services	Jun. 30, 2011 Strategic services	Jun. 30, 2012 Strategic services	Jun. 30, 2012 Legacy services	Jun. 30, 2011 Legacy services	Jun. 30, 2012 Legacy services	Jun. 30, 2012 Affiliates and other services	Jun. 30, 2011 Affiliates and other services	Jun. 30, 2012 Affiliates and other services	Mar. 31, 2011 Predecessor	Mar. 31, 2011 Predecessor Strategic services	Mar. 31, 2011 Predecessor Legacy services	Mar. 31, 2011 Predecessor Affiliates and other services
Products and Services Revenues
Number of categories of products and services			3
Number of reportable segments			1
Products and Services Revenues
Operating revenues	$ 2,195	$ 2,231	$ 4,455	$ 811	$ 791	$ 1,623	$ 874	$ 954	$ 1,775	$ 510	$ 486	$ 1,057	$ 2,268	$ 792	$ 1,003	$ 473
USF and surcharges included in operating revenues and expenses	$ 43	$ 41	$ 87										$ 43