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Net carrying amount after accumulated amortization as of the balance sheet date of an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

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The amount of amortization expense expected to be recognized during the full current fiscal year.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Aggregate amount of intangible asset amortization recognized as expense during the period.

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The useful life of all finite-lived intangible assets.

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The maximum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Sum of the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit.

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The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position.

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Goodwill, Customer Relationships and Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		3 Months Ended			3 Months Ended			3 Months Ended			6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Qwest Customer relationships	Jun. 30, 2011 Customer relationships	Dec. 31, 2010 Customer relationships	Jun. 30, 2011 Qwest Capitalized software	Jun. 30, 2011 Capitalized software	Dec. 31, 2010 Capitalized software	Jun. 30, 2011 Qwest Other Intangible assets	Jun. 30, 2011 Other Intangible assets	Dec. 31, 2010 Other Intangible assets	Jun. 30, 2011 Qwest	Apr. 02, 2011 Qwest
Intangible assets
Goodwill	$ 20,266	$ 10,261
Customer relationships, net	8,199	930										7,365
Accumulated amortization				705	349		197	79		47	3
Other intangible assets
Indefinite-life intangible assets	418	418
Other intangible assets, net	2,568	622					1,788	164	1,954	362	40
Net carrying amounts of goodwill												10,005	10,005
Amortization expense related to intangible assets	525											420
Estimated useful life (in years)			10						4
Maximum estimated life (in years)						7
Expected amortization expense
2011	1,442
2012	1,652
2013	1,489
2014	1,323
2015	$ 1,136