Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 119	$ 354
Accounts receivable, less allowances of $91 and $105, respectively	715	723
Contract acquisition costs	111	107
Prepaid expenses	104	86
Income taxes and other current assets	61	60
Total current assets	1,110	1,330
Property, plant and equipment, net	14,034	14,187
Goodwill	6,383	6,383
Other intangibles, net	1,364	1,494
Other assets	471	265
Total assets	23,362	23,659
Current liabilities:
Long-term debt due within one year	393	814
Accounts payable	473	495
Advanced billings	260	256
Accrued other taxes	198	182
Accrued interest	226	381
Pension and other postretirement benefits	39	39
Other current liabilities	421	394
Total current liabilities	2,010	2,561
Deferred income taxes	1,132	1,109
Pension and other postretirement benefits	1,733	1,750
Other liabilities	426	281
Long-term debt	16,526	16,358
Equity:
Common stock, $0.25 par value (175,000 authorized shares, 106,025 issued and 105,307 and 105,536 outstanding, at March 31, 2019 and December 31, 2018, respectively)	27	27
Additional paid-in capital	4,805	4,802
Accumulated deficit	(2,749)	(2,752)
Accumulated other comprehensive loss, net of tax	(534)	(463)
Treasury common stock	(14)	(14)
Total equity	1,535	1,600
Total liabilities and equity	$ 23,362	$ 23,659