Capitalized Labor and Related Costs Associated with Employee and Contract Labor Working on Capital Projects

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- Definition

Deferred Customer Contract Amortization Period

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No definition available.

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-- None. No documentation exists for this element. --

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Sales Commitment, Length of Agreement, Maximum

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- Definition

Universal Service Fund Contributions

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No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

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No definition available.

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- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

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No definition available.

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Background and Summary of Significant Accounting Policies (Details)	2 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)	Dec. 31, 2017 USD ($) year	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Description of Business
Period company may receive up front payments for services to be provided in the future (in years) \| year			25
USF contributions	$ 71,000,000
Bad debt expense	3,000,000
Capitalized labor and related costs associated with employee and contract labor working on capital projects	$ 45,000,000
Finite-lived intangible assets, useful life			11 years 10 months 24 days
Goodwill impairment			$ 0	$ 0	$ 0
New accounting pronouncement or change in accounting principle, effect of adoption, quantification				22,000,000
Deferred customer contract amortization period			30 months
Accumulated deficit
Description of Business
Cumulative effect of adoption of ASU 2016-09, Improvements to Employee Share-Based Payment Accounting		$ 0
Accumulated deficit \| ASU 2016-09
Description of Business
Cumulative effect of adoption of ASU 2016-09, Improvements to Employee Share-Based Payment Accounting					42,000,000
Customer relationships
Description of Business
Finite-lived intangible assets, useful life			12 years 2 months 12 days
Customer relationships \| Minimum
Description of Business
Finite-lived intangible assets, useful life			7 years
Customer relationships \| Maximum
Description of Business
Finite-lived intangible assets, useful life			14 years
Other
Description of Business
Finite-lived intangible assets, useful life			5 years
Sales Revenue \| Customer Concentration Risk
Description of Business
Percentage of communications revenue from top ten customers	19.00%
Predecessor
Description of Business
USF contributions		331,000,000		414,000,000	364,000,000
Bad debt expense		16,000,000		18,000,000	23,000,000
Capitalized labor and related costs associated with employee and contract labor working on capital projects		$ 239,000,000		271,000,000	244,000,000
Predecessor \| Accumulated deficit
Description of Business
Cumulative effect of adoption of ASU 2016-09, Improvements to Employee Share-Based Payment Accounting				$ 0	$ 42,000,000	$ 0
Predecessor \| Sales Revenue \| Customer Concentration Risk
Description of Business
Percentage of communications revenue from top ten customers		18.00%		16.00%	16.00%
Predecessor \| Other income (expense)
Description of Business
Reclassification (from) to		$ (11,000,000)		$ 0	$ (2,000,000)
Predecessor \| Selling, general and administrative expense
Description of Business
Reclassification (from) to		11,000,000		0	2,000,000
Predecessor \| Depreciation and amortization expense
Description of Business
Reclassification (from) to		(77,000,000)		(91,000,000)	(84,000,000)
Predecessor \| Cost of services and products
Description of Business
Reclassification (from) to		$ 65,000,000		$ 57,000,000	$ 84,000,000