Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 948	$ 322
Short-term investments	1,275	1,750
Accounts receivable, less allowances of $33 and $47, respectively	449	438
Prepaid expenses	79	57
Income taxes and other current assets	47	30
Total current assets	2,798	2,597
Property, plant and equipment, net	13,621	11,850
Other intangibles, net	3,665	3,906
Other assets	425	271
Total assets	20,509	18,624
Current liabilities:
Long-term debt due within one year	15	15
Accounts payable	885	1,410
Advanced billings	202	194
Accrued other taxes	131	137
Accrued interest	183	104
Pension and other postretirement benefits	39	39
Other current liabilities	596	396
Total current liabilities	2,051	2,295
Deferred income taxes	565	558
Pension and other postretirement benefits	866	1,044
Other liabilities	529	483
Long-term debt	11,258	9,110
Total liabilities	15,269	13,490
Equity:
Common stock, $0.01 par value (1,750,000 authorized shares, 245,782 and 245,021 issued and outstanding at September 30, 2023 and December 31, 2022, respectively)	2	2
Additional paid-in capital	4,271	4,198
Retained earnings	867	855
Accumulated other comprehensive income, net of tax	100	79
Total equity	5,240	5,134
Total liabilities and equity	$ 20,509	$ 18,624