Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of other current assets

The following table presents details of other current assets in our consolidated balance sheets:

	As of December 31,
	2021		2020
	(Dollars in millions)
Prepaid expenses	$	50	40
Contract acquisition costs	43		47
Contract fulfillment costs	31		28
Receivable for sale of land	56		—
Other	7		7
Total other current assets	$	187	122

Schedule of other noncurrent liabilities

The following table presents details of other noncurrent liabilities in our consolidated balance sheets:

	As of December 31,
	2021		2020
	(Dollars in millions)
Unrecognized tax benefits	$	435	448
Deferred revenue	111		108
Noncurrent operating lease liability	63		76
Other	61		53
Total other noncurrent liabilities	$	670	685