v3.25.2
Total Debt (Notes)
6 Months Ended
Jun. 30, 2025
Debt Disclosure [Abstract]  
Total Debt Total Debt
A summary of our debt as of June 30, 2025 and December 31, 2024 is as follows:

June 30, 2025December 31, 2024
Principal AmountCarrying ValueFair ValuePrincipal AmountCarrying ValueFair Value
Senior unsecured notes$27,250 $27,189 $26,167 $27,250 $27,182 $24,881 
Senior secured notes and debentures(a)
56,350 56,619 50,469 56,195 56,475 47,896 
Credit facilities(b)
10,657 10,604 10,532 10,334 10,276 10,079 
$94,257 $94,412 $87,168 $93,779 $93,933 $82,856 

(a)Includes the Company's £625 million fixed-rate British pound sterling denominated notes (the “Sterling Notes”) (remeasured at $858 million and $782 million as of June 30, 2025 and December 31, 2024, respectively, using the exchange rate at the respective dates) and the Company's £650 million aggregate principal amount of Sterling Notes (remeasured at $892 million and $813 million as of June 30, 2025 and December 31, 2024, respectively, using the exchange rate at the respective dates).
(b)The Company has availability under the Charter Communications Operating, LLC ("Charter Operating") credit facilities of approximately $5.8 billion as of June 30, 2025.

The estimated fair value of the Company’s senior unsecured and secured notes and debentures as of June 30, 2025 and December 31, 2024 is based on quoted market prices in active markets and is classified within Level 1 of the valuation hierarchy, while the estimated fair value of the Company’s credit facilities is based on quoted market prices in inactive markets and is classified within Level 2.