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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

Amount of accumulated undistributed earnings (deficit).

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Background - Change in Accounting Estimates and Correction of Immaterial Errors (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Jan. 01, 2024	Dec. 31, 2023	Jan. 01, 2023
Change in Accounting Estimate [Line Items]
Retained earnings	$ 1,059		$ 706
Fiber Network Assets
Change in Accounting Estimate [Line Items]
Property, Plant and Equipment, Useful Life		30 years	25 years
Fiber Network Assets \| Change in Accounting Method Accounted for as Change in Estimate
Change in Accounting Estimate [Line Items]
Depreciation	(6)
Depreciation, Net Of Tax	(5)
Competitive Local Exchange Carriers Fixed Assets \| Change in Accounting Method Accounted for as Change in Estimate
Change in Accounting Estimate [Line Items]
Depreciation	24
Depreciation, Net Of Tax	$ 18
Correction Of Error From Understatement Of Revenues And Network Expenses Prior To 2021
Change in Accounting Estimate [Line Items]
Retained earnings				$ 13