Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 2,921	$ 22,171
Accounts receivable	24,742	25,169
Less Allowance for credit losses	896	1,252
Accounts receivable, net	23,846	23,917
Inventories	3,055	1,796
Prepaid expenses and other	6,906	6,710
Total current assets	36,728	54,594
Property, plant and equipment	289,897	279,737
Less Accumulated depreciation	190,201	184,904
Property, plant and equipment, net	99,696	94,833
Investments in unconsolidated businesses	1,061	589
Wireless licenses	147,619	96,097
Deposits for wireless licenses	0	2,772
Goodwill	28,603	24,773
Other intangible assets, net	11,677	9,413
Operating lease right-of-use assets	27,883	22,531
Other assets	13,329	10,879
Total assets	366,596	316,481
Current liabilities
Debt maturing within one year	7,443	5,889
Accounts payable and accrued liabilities	24,833	20,658
Current operating lease liabilities	3,859	3,485
Other current liabilities	11,025	9,628
Total current liabilities	47,160	39,660
Long-term debt	143,425	123,173
Employee benefit obligations	15,410	18,657
Deferred income taxes	40,685	35,711
Non-current operating lease liabilities	23,203	18,000
Other liabilities	13,513	12,008
Total long-term liabilities	236,236	207,549
Commitments and Contingencies (Note 16)
Equity
Series preferred stock ($0.10 par value; 250,000,000 shares authorized; none issued)	0	0
Common stock ($0.10 par value; 6,250,000,000 shares authorized in each period; 4,291,433,646 shares issued in each period)	429	429
Additional paid in capital	13,861	13,404
Retained earnings	71,993	60,464
Accumulated other comprehensive loss	(927)	(71)
Common stock in treasury, at cost (93,634,725 and 153,304,088 shares outstanding)	(4,104)	(6,719)
Deferred compensation – employee stock ownership plans (ESOPs) and other	538	335
Noncontrolling interests	1,410	1,430
Total equity	83,200	69,272
Total liabilities and equity	$ 366,596	$ 316,481