Consolidated Statements Of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues
Total operating revenues	$ 120,741	$ 134,038	$ 143,050
Cost of revenues
Other cost of revenues (exclusive of depreciation and amortization shown separately below)	26,839	28,616	29,989
Selling, general and administrative	28,961	29,669	30,817
Asset impairments and abandonments and restructuring	27,498	213	15,687
Depreciation and amortization	18,021	17,852	22,523
Total operating expenses	125,328	108,141	134,678
Operating Income (Loss)	(4,587)	25,897	8,372
Other Income (Expense)
Interest Expense	(6,108)	(6,716)	(7,727)
Equity in net income of affiliates	1,791	603	89
Other income (expense) – net	5,810	9,387	(1,088)
Total other income (expense)	1,493	3,274	(8,726)
Income (Loss) from Continuing Operations Before Income Taxes	(3,094)	29,171	(354)
Income tax expense on continuing operations	3,780	5,395	1,168
Income (Loss) from Continuing Operations	(6,874)	23,776	(1,522)
Loss from discontinued operations, net of tax	(181)	(2,297)	(2,299)
Net Income (Loss)	(7,055)	21,479	(3,821)
Less: Net Income Attributable to Noncontrolling Interest	(1,469)	(1,398)	(1,355)
Net Income (Loss) Attributable to AT&T	(8,524)	20,081	(5,176)
Less: Preferred Stock Dividends	(203)	(207)	(193)
Net Income (Loss) Attributable to Common Stock	$ (8,727)	$ 19,874	$ (5,369)
Basic Earnings (Loss) Per Share from continuing operations	$ (1.10)	$ 3.07	$ (0.45)
Basic Loss Per Share from discontinued operations	(0.03)	(0.30)	(0.30)
Basic Earnings (Loss) Per Share Attributable to Common Stock	(1.13)	2.77	(0.75)
Diluted Earnings (Loss) Per Share from continuing operations	(1.10)	3.02	(0.45)
Diluted Loss Per Share from discontinued operations	(0.03)	(0.29)	(0.30)
Diluted Earnings (Loss) Per Share Attributable to Common Stock	$ (1.13)	$ 2.73	$ (0.75)
Service
Operating Revenues
Total operating revenues	$ 97,831	$ 111,565	$ 124,057
Equipment
Operating Revenues
Total operating revenues	22,910	22,473	18,993
Cost of revenues
Cost of goods and services sold	24,009	23,685	19,585
Broadcast, programming and operations
Cost of revenues
Cost of goods and services sold	$ 0	$ 8,106	$ 16,077