Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues
Total operating revenues	$ 30,350	$ 30,043	$ 90,406	$ 89,398
Cost of revenues
Other cost of revenues (exclusive of depreciation and amortization shown separately below)	6,835	6,761	20,279	20,267
Selling, general and administrative	7,205	7,202	21,389	21,445
Asset impairments and abandonments and restructuring	604	114	604	745
Depreciation and amortization	4,705	4,514	14,011	13,426
Total operating expenses	24,568	24,031	72,216	72,893
Operating Income	5,782	6,012	18,190	16,505
Other Income (Expense)
Interest expense	(1,662)	(1,420)	(4,978)	(4,548)
Equity in net income of affiliates	420	392	1,338	1,417
Other income (expense) — net	440	2,270	2,362	6,729
Total other income (expense)	(802)	1,242	(1,278)	3,598
Income from Continuing Operations Before Income Taxes	4,980	7,254	16,912	20,103
Income tax expense on continuing operations	1,154	908	3,871	3,857
Income from Continuing Operations	3,826	6,346	13,041	16,246
Income (loss) from discontinued operations, net of tax	0	53	0	(146)
Net Income	3,826	6,399	13,041	16,100
Less: Net Income Attributable to Noncontrolling Interest	(331)	(373)	(829)	(1,107)
Net Income Attributable to AT&T	3,495	6,026	12,212	14,993
Less: Preferred Stock Dividends	(51)	(49)	(155)	(149)
Net Income Attributable to Common Stock	$ 3,444	$ 5,977	$ 12,057	$ 14,844
Basic Earnings Per Share from continuing operations	$ 0.48	$ 0.82	$ 1.67	$ 2.08
Basic Earnings (Loss) Per Share from discontinued operations	0	0.01	0	(0.02)
Basic Earnings Per Share Attributable to Common Stock (in dollars per share)	0.48	0.83	1.67	2.06
Diluted Earnings Per Share from continuing operations	0.48	0.79	1.67	2.03
Diluted Earnings (Loss) Per Share from discontinued operations	0	0.01	0	(0.02)
Diluted Earnings Per Share Attributable to Common Stock (in dollars per share)	$ 0.48	$ 0.80	$ 1.67	$ 2.01
Weighted Average Number of Common Shares Outstanding - Basic (in millions) (in shares)	7,185	7,153	7,178	7,169
Weighted Average Number of Common Shares Outstanding - with Dilution (in millions) (in shares)	7,185	7,647	7,280	7,605
Service
Operating Revenues
Total operating revenues	$ 25,112	$ 24,731	$ 74,579	$ 72,998
Equipment
Operating Revenues
Total operating revenues	5,238	5,312	15,827	16,400
Cost of revenues
Cost of goods and services sold	$ 5,219	$ 5,440	$ 15,933	$ 17,010