Transactions with DIRECTV (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jul. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Investments in and Advances to Equity Affiliates		$ 3,964		$ 3,964		$ 6,168
Equity in net income (loss) of affiliates		392	$ 183	1,417	$ 159
Note payable to DIRECTV		271		271		$ 1,245
Proceeds from (Repayments of) Related Party Debt				1,070	(1,439)
Segment Reporting Information Operations And Support Expenses		19,517	$ 20,632	59,467	$ 68,588
DTV-related retained costs
Related Party Transaction [Line Items]
Segment Reporting Information Operations And Support Expenses		197		532
DIRECTV
Related Party Transaction [Line Items]
Investments in and Advances to Equity Affiliates		3,352		3,352
Equity in net income (loss) of affiliates				1,429
Agreement to pay net losses under NFL Sunday Ticket Contract, cap amount	$ 2,100
Notes Payable, Related Parties	$ 1,800	$ 271		$ 271
Network Transport For Products and Sales Services Under Commercial Arrangements Period		5 years		5 years
Operational Support Services Agreement Period		3 years		3 years
Accounts Receivable, Related Parties		$ 571		$ 571
Accounts Payable, Related Parties		$ 210		210
DIRECTV | Equity Method Investee [Member]
Related Party Transaction [Line Items]
Proceeds from Equity Method Investment, Distribution				(3,634)
Related Party Costs				920
Operating Activities [Member] | DIRECTV | Equity Method Investee [Member]
Related Party Transaction [Line Items]
Proceeds from Equity Method Investment, Distribution				(1,429)
Investing Activities [Member] | DIRECTV | Equity Method Investee [Member]
Related Party Transaction [Line Items]
Proceeds from Equity Method Investment, Distribution				$ (2,205)