v3.26.3
Acquisitions and Divestitures - Frontier Communications Net Assets Acquired (Details) - USD ($)
$ in Millions
 8 Months Ended
Jan. 20, 2026
Sep. 30, 2026
Dec. 31, 2025
Assets acquired:      
Goodwill   $ 30,729 $ 22,841
Frontier      
Business Combination [Line Items]      
Purchase consideration $ 9,917 9,931  
Purchase consideration, measurement period adjustment   14  
Assets acquired:      
Current assets 791 727  
Current assets, measurement period adjustment   (64)  
Property, plant and equipment, net 16,698 16,483  
Property, plant and equipment, net, measurement period adjustment   (215)  
Goodwill 7,759 7,860  
Goodwill, measurement period adjustment   101  
Other intangible assets 2,897 3,113  
Other intangible assets, measurement period adjustment   216  
Other noncurrent assets 355 325  
Other noncurrent assets, measurement period adjustment   (30)  
Total assets acquired 28,500 28,508  
Total assets acquired, measurement period adjustment   8  
Liabilities assumed:      
Current liabilities, excluding current debt 3,154 3,134  
Current liabilities, excluding current debt, measurement period adjustment   (20)  
Debt maturing within one year 1,694 1,693  
Debt maturing within one year, measurement period adjustment   (1)  
Long-term debt, including finance lease obligations 11,589 11,590  
Long-term debt, including finance lease obligations, measurement period adjustment   1  
Other noncurrent liabilities 2,146 2,160  
Other noncurrent liabilities, measurement period adjustment   14  
Total liabilities assumed 18,583 18,577  
Total liabilities assumed, measurement period adjustment   (6)  
Net assets acquired 9,917 $ 9,931  
Business combination, consideration transferred, noncash component $ 172