v3.19.3.a.u2
Consolidated Statements Of Changes In Stockholders' Equity - USD ($)
shares in Millions, $ in Millions
Total
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]
Retained Earnings [Member]
Preferred Stock [Member]
Retained Earnings [Member]
Common Stock [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income Attributable To AT&T, Net Of Tax [Member]
Noncontrolling Interest [Member]
Balance at beginning of year at Dec. 31, 2016 $ 124,110 $ 0 $ 6,495 $ 89,604     $ 34,734     $ (12,659) $ 4,961 $ 975
Balance at beginning of year (in shares) at Dec. 31, 2016   0 6,495             (356)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Issuance of stock (value)   $ 0 $ 0   $ 0 $ 0            
Issuance of stock (in shares)   0 0                  
Issuance of treasury stock       2           $ 496    
Issuance of treasury stock (in shares)                   14    
Share-based payments       (43)                
Changes related to acquisitions of interest held by noncontrolling owners       0                
Repurchase and acquisition of common stock                   $ (551)    
Repurchase and acquisition common stock (in shares)                   (14)    
Net income attributable to AT&T ($1.89, $2.85 and $4.76 per diluted share) 29,450           29,450          
Dividends to stockholders ($2.05, $2.01 and $1.97 per share)               $ 0 $ (12,157)      
Other comprehensive income (loss) attributable to AT&T 527                   527  
Net income attributable to noncontrolling interest 397                     397
Interest acquired by noncontrolling owners                       0
Acquisitions of noncontrolling interests                       140
Distributions                       (361)
Acquisition of interests held by noncontrolling owners                       0
Translation adjustments attributable to noncontrolling interest, net of taxes (5)                     (5)
Balance at end of year at Dec. 31, 2017 142,007 $ 0 $ 6,495 89,563     50,500     $ (12,714) 7,017 1,146
Balance at end of year (in shares) at Dec. 31, 2017   0 6,495             (356)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Issuance of stock (value)   $ 0 $ 1,126   0 35,473            
Issuance of stock (in shares)   0 1,126                  
Issuance of treasury stock       (115)           $ 1,347    
Issuance of treasury stock (in shares)                   37    
Share-based payments       604                
Changes related to acquisitions of interest held by noncontrolling owners       0                
Repurchase and acquisition of common stock                   $ (692)    
Repurchase and acquisition common stock (in shares)                   (20)    
Net income attributable to AT&T ($1.89, $2.85 and $4.76 per diluted share) 19,370           19,370          
Dividends to stockholders ($2.05, $2.01 and $1.97 per share)               0 (14,117)      
Other comprehensive income (loss) attributable to AT&T (2,110)                   (2,110)  
Net income attributable to noncontrolling interest 583                     583
Interest acquired by noncontrolling owners                       8,803
Acquisitions of noncontrolling interests                       1
Distributions                       (732)
Acquisition of interests held by noncontrolling owners                       (9)
Translation adjustments attributable to noncontrolling interest, net of taxes (32)                     (32)
Balance at end of year at Dec. 31, 2018 193,884 $ 0 $ 7,621 125,525     58,753     $ (12,059) 4,249 9,795
Balance at end of year (in shares) at Dec. 31, 2018   0 7,621             (339)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Issuance of stock (value)   $ 0 $ 0   $ 1,164 $ 0            
Issuance of stock (in shares)   0 0                  
Issuance of treasury stock       (125)           $ 1,466    
Issuance of treasury stock (in shares)                   40    
Share-based payments       (271)                
Changes related to acquisitions of interest held by noncontrolling owners       (14)                
Repurchase and acquisition of common stock                   $ (2,492)    
Repurchase and acquisition common stock (in shares)                   (67)    
Net income attributable to AT&T ($1.89, $2.85 and $4.76 per diluted share) 13,903           13,903          
Dividends to stockholders ($2.05, $2.01 and $1.97 per share)               $ (8) $ (15,028)      
Other comprehensive income (loss) attributable to AT&T 1,221                   1,221  
Net income attributable to noncontrolling interest 1,072                     1,072
Interest acquired by noncontrolling owners                       7,876
Acquisitions of noncontrolling interests                       5
Distributions                       (1,055)
Acquisition of interests held by noncontrolling owners                       0
Translation adjustments attributable to noncontrolling interest, net of taxes (9)                     (9)
Balance at end of year at Dec. 31, 2019 $ 201,934 $ 0 $ 7,621 $ 126,279     $ 57,936     $ (13,085) $ 5,470 $ 17,713
Balance at end of year (in shares) at Dec. 31, 2019   0 7,621             (366)