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Total Debt (Details)
£ in Millions, $ in Millions
Mar. 31, 2025
USD ($)
Mar. 31, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Long-term Debt:      
Principal Amount $ 93,615   $ 93,779
Carrying Value 93,769   93,933
Fair Value 83,452   82,856
Senior unsecured notes      
Long-term Debt:      
Principal Amount 27,250   27,250
Carrying Value 27,185   27,182
Senior unsecured notes | Level 1      
Long-term Debt:      
Fair Value 25,101   24,881
Senior secured notes and debentures(a)      
Long-term Debt:      
Principal Amount 56,247   56,195
Carrying Value 56,521   56,475
Senior secured notes and debentures(a) | Level 1      
Long-term Debt:      
Fair Value 48,435   47,896
Credit facilities(b)      
Long-term Debt:      
Principal Amount 10,118   10,334
Carrying Value 10,063   10,276
Credit facilities(b) | Level 2      
Long-term Debt:      
Fair Value 9,916   10,079
Charter Operating      
Long-term Debt:      
Availability under credit facilities 6,400    
Time Warner Cable | 5.750% Sterling Senior Notes Due June 2, 2031      
Long-term Debt:      
Principal Amount 807 £ 625 782
Time Warner Cable | 5.250% Sterling Senior Notes Due July 15, 2042      
Long-term Debt:      
Principal Amount $ 840 £ 650 $ 813