Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating Revenues
Wireless service	$ 14,906	$ 14,261	$ 44,237	$ 42,379
Data	7,977	7,459	23,695	21,979
Voice	5,565	6,242	17,155	19,132
Directory	0	803	1,049	2,512
Other	3,011	2,713	8,720	8,218
Total operating revenues	31,459	31,478	94,856	94,220
Operating Expenses
Cost of services and sales (exclusive of depreciation and amortization shown separately below)	12,718	12,656	38,000	38,225
Selling, general and administrative	8,192	7,969	24,330	23,983
Depreciation and amortization	4,512	4,618	13,571	13,804
Total operating expenses	25,422	25,243	75,901	76,012
Operating Income	6,037	6,235	18,955	18,208
Other Income (Expense)
Interest expense	(824)	(889)	(2,624)	(2,583)
Equity in net income of affiliates	182	193	537	649
Other income (expense) - net	47	46	122	132
Total other income (expense)	(595)	(650)	(1,965)	(1,802)
Income Before Income Taxes	5,442	5,585	16,990	16,406
Income tax expense	1,741	1,899	5,672	5,594
Net Income	3,701	3,686	11,318	10,812
Less: Net Income Attributable to Noncontrolling Interest	(66)	(63)	(197)	(190)
Net Income Attributable to AT&T	$ 3,635	$ 3,623	$ 11,121	$ 10,622
Basic Earnings Per Share Attributable to AT&T	$ 0.63	$ 0.61	$ 1.90	$ 1.79
Diluted Earnings Per Share Attributable to AT&T	$ 0.63	$ 0.61	$ 1.90	$ 1.79
Weighted Average Number of Common Shares Outstanding - Basic (in millions)	5,771	5,936	5,848	5,931
Weighted Average Number of Common Shares Outstanding - with Dilution (in millions)	5,792	5,954	5,869	5,950
Dividends Declared Per Common Share	$ 0.44	$ 0.43	$ 1.32	$ 1.29