Other Financial Information (Tables)

6 Months Ended

Jun. 30, 2021

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

Schedule of components other current assets

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

	June 30, 2021		December 31, 2020
	(Dollars in millions)
Prepaid expenses	$	56	40
Contract acquisition costs	45		47
Contract fulfillment costs	30		28
Other	6		7
Total other current assets	$	137	122

Other Noncurrent Liabilities

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

	June 30, 2021		December 31, 2020
	(Dollars in millions)
Unrecognized tax benefits	$	455	448
Deferred revenue	110		108
Noncurrent operating lease liability	67		76
Other	55		53
Total other noncurrent liabilities	$	687	685