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Asset Retirement Obligations (Table)

12 Months Ended

Dec. 31, 2021

Asset Retirement Obligation [Abstract]

Asset retirement obligations

In 2021 and 2020, UScellular performed a review of the assumptions and estimated future costs related to asset retirement obligations. The results of the review and other changes in asset retirement obligations during 2021 and 2020, were as follows:

			2021						2020
(Dollars in millions)
Balance at beginning of year			$	249					$	220
Additional liabilities accrued			9						5
Revisions in estimated cash outflows			42						11
Disposition of assets			(1)						(1)
Accretion expense			16						14
Balance at end of year			$	315					$	249

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859

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