Quarterly report [Sections 13 or 15(d)]

Investment in Charter Accounted for Using the Equity Method - Charter condensed consolidated statements of operations (Details)

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Investment in Charter Accounted for Using the Equity Method - Charter condensed consolidated statements of operations (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Investments in affiliates accounted for using the Equity Method    
Operating income $ (5) $ (13)
Other income (expense), net 1 (3)
Income tax (expense) benefit (4) 17
Net earnings (loss) 203 268
Net Income (Loss) 203 268
Charter    
Investments in affiliates accounted for using the Equity Method    
Revenue 13,597 13,735
Operating costs and expenses (excluding depreciation and amortization) 8,163 8,194
Depreciation and amortization 2,211 2,181
Other operating (income) expense, net 15 123
Total operating costs and expenses 10,389 10,498
Operating income 3,208 3,237
Interest expense, net (1,256) (1,241)
Other income (expense), net (124) (142)
Income tax (expense) benefit (465) (445)
Net earnings (loss) 1,363 1,409
Less: Net income attributable to noncontrolling interests (200) (192)
Net Income (Loss) $ 1,163 $ 1,217