v3.26.1
Consolidated Statement Of Changes In Stockholders' Equity - USD ($)
$ in Millions
Total
Preferred Stock - Series A
Preferred Stock - Series B
Preferred Stock - Series C
Preferred Stock
Preferred Stock - Series A
Preferred Stock
Preferred Stock - Series B
Preferred Stock
Preferred Stock - Series C
Common Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss) Attributable to AT&T, net of tax
Noncontrolling Interest1
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Treasury Stock, Common, Value $ (15,023)                      
Treasury Stock, Common, Shares (445,000,000)                      
Balance at beginning of period at Dec. 31, 2024 $ 118,245       $ 0 $ 0 $ 0 $ 7,621 $ 109,108 $ 1,871 $ 795 $ 13,873
Preferred Stock, Shares Issued, Beginning Balance at Dec. 31, 2024   0 0 0                
Common Stock, Shares Issued, Beginning Balance at Dec. 31, 2024 7,621,000,000                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Redemption of preferred stock                 (2,165)      
Repurchase and acquisition of common stock $ (218)                      
Repurchase and acquisition of common stock (in shares) (9,000,000)                      
Issuance/reissuance of treasury stock $ (989)               (452)      
Issuance/reissuance of treasury stock (in shares) 29,000,000                      
Share-based compensation                 (189)      
Net income attributable to AT&T $ 4,351                 4,351    
Preferred stock redemption gain 90                      
Preferred stock dividends                   (86)    
Dividends, Common Stock, Cash                   (2,011)    
Other comprehensive income (loss) attributable to AT&T (937)                   (937)  
Net income attributable to noncontrolling interest $ 341                     305
Issuance and acquisition by noncontrolling owners                       2,221
Distributions                       (285)
Preferred Stock, Shares Issued, Ending Balance at Mar. 31, 2025   0 0 0                
Common Stock, Shares Issued, Ending Balance at Mar. 31, 2025 7,621,000,000                      
Balance at end of period at Mar. 31, 2025 $ 119,858       0 0 0 7,621 106,302 4,215 (142) 16,114
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Treasury Stock, Common, Value $ (14,252)                      
Treasury Stock, Common, Shares (425,000,000)                      
Treasury Stock, Common, Value $ (18,529)                      
Treasury Stock, Common, Shares (583,246,242)                      
Balance at beginning of period at Dec. 31, 2025 $ 126,491       0 0 0 7,621 106,533 15,768 (860) 15,958
Preferred Stock, Shares Issued, Beginning Balance at Dec. 31, 2025   48,000 20,000 70,000                
Common Stock, Shares Issued, Beginning Balance at Dec. 31, 2025 7,620,748,598                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Redemption of preferred stock                 0      
Repurchase and acquisition of common stock $ (2,495)                      
Repurchase and acquisition of common stock (in shares) (95,000,000)                      
Issuance/reissuance of treasury stock $ (751)               (287)      
Issuance/reissuance of treasury stock (in shares) 22,000,000                      
Share-based compensation                 (162)      
Net income attributable to AT&T $ 3,829                 3,829    
Preferred stock redemption gain 0                      
Preferred stock dividends                   (35)    
Dividends, Common Stock, Cash                   (1,942)    
Other comprehensive income (loss) attributable to AT&T (532)                   (532)  
Net income attributable to noncontrolling interest $ 352                     316
Issuance and acquisition by noncontrolling owners                       0
Distributions                       (315)
Preferred Stock, Shares Issued, Ending Balance at Mar. 31, 2026   48,000 20,000 70,000                
Common Stock, Shares Issued, Ending Balance at Mar. 31, 2026 7,620,748,598                      
Balance at end of period at Mar. 31, 2026 $ 125,619       $ 0 $ 0 $ 0 $ 7,621 $ 106,084 $ 17,620 $ (1,392) $ 15,959
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Treasury Stock, Common, Value $ (20,273)                      
Treasury Stock, Common, Shares (655,850,883)