Other Financial Information

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Other Current Assets

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



	As of December 31,
	2018		2017
	(Dollars in millions)
Prepaid expenses	$	307	294
Income tax receivable	82		258
Materials, supplies and inventory	120		128
Contract assets	134		—
Contract acquisition costs and deferred activation and installation charges	167		128
Other	108		133
Total other current assets	$	918	941

Selected Current Liabilities

Current liabilities reflected in our consolidated balance sheets include accounts payable and other current liabilities as follows:



	As of December 31,
	2018		2017
	(Dollars in millions)
Accounts payable	$	1,933	1,555
Other current liabilities:
Accrued rent	$	45	34
Legal contingencies	30		45
Other	282		265
Total other current liabilities	$	357	344

Included in accounts payable at December 31, 2018 and 2017, were (i) $86 million and $36 million, respectively, representing book overdrafts and (ii) $434 million and $225 million, respectively, associated with capital expenditures.