Consolidated Statement Of Changes In Stockholders' Equity - USD ($) shares in Millions, $ in Millions |
Total |
Preferred Stock [Member]
Series A Preferred Stock [Member]
|
Preferred Stock [Member]
Series B Preferred Stock [Member]
|
Preferred Stock [Member]
Series C Preferred Stock [Member]
|
Common Stock [Member] |
Additional Paid-In Capital [Member] |
Additional Paid-In Capital [Member]
Preferred Stock [Member]
|
Additional Paid-In Capital [Member]
Common Stock [Member]
|
Retained Earnings [Member] |
Treasury Stock [Member] |
Accumulated Other Comprehensive Income Attributable to AT&T, net of tax [Member] |
Noncontrolling Interest [Member] |
| Balance at beginning of period at Dec. 31, 2018 |
$ 193,884
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
$ 125,525
|
|
|
$ 58,753
|
$ (12,059)
|
$ 4,249
|
$ 9,795
|
| Balance at beginning of period (in shares) at Dec. 31, 2018 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(339)
|
|
|
| Issuance of stock |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
$ 0
|
|
|
|
|
|
| Issuance of stock (in shares) |
|
0
|
0
|
0
|
0
|
|
|
|
|
|
|
|
| Issuance of treasury stock |
|
|
|
|
|
(127)
|
|
|
|
$ 1,188
|
|
|
| Issuance of treasury stock, (in shares) |
|
|
|
|
|
|
|
|
|
32
|
|
|
| Share-based payments |
|
|
|
|
|
(289)
|
|
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
$ 0
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
|
|
$ (280)
|
|
|
| Repurchase and acquisition of common stock (in shares) |
|
|
|
|
|
|
|
|
|
(9)
|
|
|
| Net Income attributable to AT&T |
7,809
|
|
|
|
|
|
|
|
7,809
|
|
|
|
| Common stock dividends ($0.52, $0.51, $1.04 and $1.02 per share) |
|
|
|
|
|
|
|
|
(7,489)
|
|
|
|
| Other comprehensive income attributable to AT&T |
|
|
|
|
|
|
|
|
|
|
(960)
|
|
| Net income attributable to noncontrolling interest |
513
|
|
|
|
|
|
|
|
|
|
|
513
|
| Interest acquired by noncontrolling owners |
|
|
|
|
|
|
|
|
|
|
|
10
|
| Distributions |
|
|
|
|
|
|
|
|
|
|
|
(525)
|
| Translation adjustments attributable to noncontrolling interest, net of taxes |
2
|
|
|
|
|
|
|
|
|
|
|
2
|
| Balance at end of period at Jun. 30, 2019 |
194,081
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
125,109
|
|
|
59,389
|
$ (11,151)
|
3,289
|
9,824
|
| Preferred stock dividends |
|
|
|
|
|
|
|
|
0
|
|
|
|
| Balance at end of period (in shares) at Jun. 30, 2019 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(316)
|
|
|
| Balance at beginning of period at Mar. 31, 2019 |
194,951
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
125,174
|
|
|
59,424
|
$ (11,452)
|
4,345
|
9,839
|
| Balance at beginning of period (in shares) at Mar. 31, 2019 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(324)
|
|
|
| Issuance of stock |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
0
|
|
|
|
|
|
| Issuance of stock (in shares) |
|
0
|
0
|
0
|
0
|
|
|
|
|
|
|
|
| Issuance of treasury stock |
|
|
|
|
|
(50)
|
|
|
|
$ 373
|
|
|
| Issuance of treasury stock, (in shares) |
|
|
|
|
|
|
|
|
|
10
|
|
|
| Share-based payments |
|
|
|
|
|
(15)
|
|
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
0
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
|
|
$ (72)
|
|
|
| Repurchase and acquisition of common stock (in shares) |
|
|
|
|
|
|
|
|
|
(2)
|
|
|
| Net Income attributable to AT&T |
3,713
|
|
|
|
|
|
|
|
3,713
|
|
|
|
| Common stock dividends ($0.52, $0.51, $1.04 and $1.02 per share) |
|
|
|
|
|
|
|
|
(3,748)
|
|
|
|
| Other comprehensive income attributable to AT&T |
|
|
|
|
|
|
|
|
|
|
(1,056)
|
|
| Net income attributable to noncontrolling interest |
261
|
|
|
|
|
|
|
|
|
|
|
261
|
| Interest acquired by noncontrolling owners |
|
|
|
|
|
|
|
|
|
|
|
1
|
| Distributions |
|
|
|
|
|
|
|
|
|
|
|
(279)
|
| Translation adjustments attributable to noncontrolling interest, net of taxes |
2
|
|
|
|
|
|
|
|
|
|
|
2
|
| Balance at end of period at Jun. 30, 2019 |
194,081
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
125,109
|
|
|
59,389
|
$ (11,151)
|
3,289
|
9,824
|
| Preferred stock dividends |
|
|
|
|
|
|
|
|
0
|
|
|
|
| Balance at end of period (in shares) at Jun. 30, 2019 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(316)
|
|
|
| Balance at beginning of period at Dec. 31, 2019 |
201,934
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
126,279
|
|
|
57,936
|
$ (13,085)
|
5,470
|
17,713
|
| Balance at beginning of period (in shares) at Dec. 31, 2019 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(366)
|
|
|
| Balance at end of period at Mar. 31, 2020 |
195,449
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
129,966
|
|
|
58,534
|
$ (17,957)
|
(385)
|
17,670
|
| Balance at end of period (in shares) at Mar. 31, 2020 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(496)
|
|
|
| Balance at beginning of period at Dec. 31, 2019 |
201,934
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
126,279
|
|
|
57,936
|
$ (13,085)
|
5,470
|
17,713
|
| Balance at beginning of period (in shares) at Dec. 31, 2019 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(366)
|
|
|
| Issuance of stock |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
3,869
|
|
|
|
|
|
| Issuance of stock (in shares) |
|
0
|
0
|
0
|
0
|
|
|
|
|
|
|
|
| Issuance of treasury stock |
|
|
|
|
|
(54)
|
|
|
|
$ 721
|
|
|
| Issuance of treasury stock, (in shares) |
|
|
|
|
|
|
|
|
|
19
|
|
|
| Share-based payments |
|
|
|
|
|
(115)
|
|
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
67
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
|
|
$ (5,581)
|
|
|
| Repurchase and acquisition of common stock (in shares) |
|
|
|
|
|
|
|
|
|
(148)
|
|
|
| Net Income attributable to AT&T |
5,891
|
|
|
|
|
|
|
|
5,891
|
|
|
|
| Common stock dividends ($0.52, $0.51, $1.04 and $1.02 per share) |
|
|
|
|
|
|
|
|
(7,421)
|
|
|
|
| Other comprehensive income attributable to AT&T |
|
|
|
|
|
|
|
|
|
|
(5,341)
|
|
| Net income attributable to noncontrolling interest |
635
|
|
|
|
|
|
|
|
|
|
|
635
|
| Interest acquired by noncontrolling owners |
|
|
|
|
|
|
|
|
|
|
|
1
|
| Distributions |
|
|
|
|
|
|
|
|
|
|
|
(726)
|
| Translation adjustments attributable to noncontrolling interest, net of taxes |
(59)
|
|
|
|
|
|
|
|
|
|
|
(59)
|
| Balance at end of period at Jun. 30, 2020 |
193,453
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
130,046
|
|
|
56,045
|
$ (17,945)
|
129
|
17,557
|
| Preferred stock dividends |
|
|
|
|
|
|
|
|
(68)
|
|
|
|
| Balance at end of period (in shares) at Jun. 30, 2020 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(495)
|
|
|
| Balance at beginning of period at Mar. 31, 2020 |
195,449
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
129,966
|
|
|
58,534
|
$ (17,957)
|
(385)
|
17,670
|
| Balance at beginning of period (in shares) at Mar. 31, 2020 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(496)
|
|
|
| Issuance of stock |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
$ 0
|
|
|
|
|
|
| Issuance of stock (in shares) |
|
0
|
0
|
0
|
0
|
|
|
|
|
|
|
|
| Issuance of treasury stock |
|
|
|
|
|
(7)
|
|
|
|
$ 46
|
|
|
| Issuance of treasury stock, (in shares) |
|
|
|
|
|
|
|
|
|
1
|
|
|
| Share-based payments |
|
|
|
|
|
87
|
|
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
$ 0
|
|
|
|
|
| Repurchase and acquisition of common stock |
|
|
|
|
|
|
|
|
|
$ (34)
|
|
|
| Repurchase and acquisition of common stock (in shares) |
|
|
|
|
|
|
|
|
|
0
|
|
|
| Net Income attributable to AT&T |
1,281
|
|
|
|
|
|
|
|
1,281
|
|
|
|
| Common stock dividends ($0.52, $0.51, $1.04 and $1.02 per share) |
|
|
|
|
|
|
|
|
(3,734)
|
|
|
|
| Other comprehensive income attributable to AT&T |
|
|
|
|
|
|
|
|
|
|
514
|
|
| Net income attributable to noncontrolling interest |
282
|
|
|
|
|
|
|
|
|
|
|
282
|
| Interest acquired by noncontrolling owners |
|
|
|
|
|
|
|
|
|
|
|
0
|
| Distributions |
|
|
|
|
|
|
|
|
|
|
|
(387)
|
| Translation adjustments attributable to noncontrolling interest, net of taxes |
(8)
|
|
|
|
|
|
|
|
|
|
|
(8)
|
| Balance at end of period at Jun. 30, 2020 |
$ 193,453
|
$ 0
|
$ 0
|
$ 0
|
$ 7,621
|
$ 130,046
|
|
|
56,045
|
$ (17,945)
|
$ 129
|
$ 17,557
|
| Preferred stock dividends |
|
|
|
|
|
|
|
|
$ (36)
|
|
|
|
| Balance at end of period (in shares) at Jun. 30, 2020 |
|
0
|
0
|
0
|
7,621
|
|
|
|
|
(495)
|
|
|