Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,125	$ 322
Short-term investments	1,075	1,750
Accounts receivable, less allowances of $53 and $47, respectively	446	438
Prepaid expenses	67	57
Income taxes and other current assets	68	30
Total current assets	2,781	2,597
Property, plant and equipment, net	13,933	11,850
Intangibles, net	3,585	3,906
Other assets	394	271
Total assets	20,693	18,624
Current liabilities:
Long-term debt due within one year	15	15
Accounts payable and accrued liabilities	1,103	1,410
Advanced billings	182	194
Accrued other taxes	118	137
Accrued interest	126	104
Pension and other postretirement benefits	38	39
Other current liabilities	693	396
Total current liabilities	2,275	2,295
Deferred income taxes	643	558
Pension and other postretirement benefits	697	1,044
Other liabilities	553	483
Long-term debt	11,246	9,110
Total liabilities	15,414	13,490
Equity:
Common stock, $0.01 par value per share (1,750,000 authorized shares, 245,813 and 245,021 issued and outstanding at December 31, 2023 and 2022, respectively)	2	2
Additional paid-in capital	4,297	4,198
Retained earnings	884	855
Accumulated other comprehensive income, net of tax	96	79
Total equity	5,279	5,134
Total liabilities and equity	$ 20,693	$ 18,624