Other Financial Information (Tables)

9 Months Ended

Sep. 30, 2021

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

Schedule of Components of Other Current Assets

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

	September 30, 2021		December 31, 2020
	(Dollars in millions)
Prepaid expenses	$	294	290
Income tax receivable	15		7
Materials, supplies and inventory	103		105
Contract assets	49		66
Contract acquisition costs	144		173
Contract fulfillment costs	104		114
Note receivable	56		—
Receivable for sale of land	56		—
Other	22		53
Total other current assets	$	843	808