Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Revenues
Service	$ 41,297	$ 36,378	$ 109,849	$ 109,372
Equipment	4,442	3,290	12,914	9,498
Total operating revenues	45,739	39,668	122,763	118,870
Operating Expenses
Equipment	4,828	4,191	14,053	12,177
Broadcast, programming and operations	7,227	5,284	17,842	15,156
Other cost of revenues (exclusive of depreciation and amortization shown separately below)	8,651	9,694	24,215	28,551
Selling, general and administrative	9,598	8,650	26,179	25,981
Depreciation and amortization	8,166	6,042	20,538	18,316
Total operating expenses	38,470	33,861	102,827	100,181
Operating Income	7,269	5,807	19,936	18,689
Other Income (Expense)
Interest expense	(2,051)	(1,686)	(5,845)	(4,374)
Equity in net income (loss) of affiliates	(64)	11	(71)	(148)
Other income (expense) - net	1,053	842	5,108	2,255
Total other income (expense)	(1,062)	(833)	(808)	(2,267)
Income Before Income Taxes	6,207	4,974	19,128	16,422
Income tax expense	1,391	1,851	4,305	5,711
Net Income	4,816	3,123	14,823	10,711
Less: Net Income Attributable to Noncontrolling Interest	(98)	(94)	(311)	(298)
Net Income Attributable to AT&T	$ 4,718	$ 3,029	$ 14,512	$ 10,413
Basic Earnings Per Share Attributable to AT&T	$ 0.65	$ 0.49	$ 2.19	$ 1.69
Diluted Earnings Per Share Attributable to AT&T	$ 0.65	$ 0.49	$ 2.19	$ 1.69
Weighted Average Number of Common Shares Outstanding - Basic (in millions)	7,284	6,162	6,603	6,164
Weighted Average Number of Common Shares Outstanding - with Dilution (in millions)	7,320	6,182	6,630	6,184
Dividends Declared Per Common Share	$ 0.5	$ 0.49	$ 1.5	$ 1.47