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Long-Term Debt and Finance Lease Obligations - Fair Value of Long-Term Debt (Details) - USD ($) $ in Thousands	Nov. 30, 2024	Mar. 31, 2024	Mar. 15, 2024	Dec. 31, 2023	Dec. 21, 2020	Aug. 08, 2016
Debt Instrument
Carrying Value		$ 21,745,055		$ 22,709,868
Fair Value		16,337,676		17,843,562
Unamortized deferred financing costs and other debt discounts, net		(66,115)		(69,606)
Finance lease obligations (2)		108,524		123,658
Total long-term debt and finance lease obligations (including current portion)		$ 21,787,464		22,763,920
Interest rate (as a percent)		0.25%
Outstanding debt	$ 1,983,000
2 3/8% Convertible Notes due 2024 \| DISH Network L.L.C.
Debt Instrument
Carrying Value				951,168
Fair Value				$ 944,034
Interest rate (as a percent)		2.375%	2.375%	2.375%
5 7/8% Senior Notes due 2024 \| DDBS
Debt Instrument
Carrying Value		$ 1,982,544		$ 1,982,544
Fair Value		$ 1,905,621		$ 1,872,275
Interest rate (as a percent)		5.875%		5.875%
0% Convertible Notes due 2025 \| DISH Network L.L.C.
Debt Instrument
Carrying Value		$ 1,957,197		$ 1,957,197
Fair Value		$ 1,418,968		1,228,141
Interest rate (as a percent)		0.00%
Aggregate principal amount					$ 2,000,000
7 3/4% Senior Notes due 2026 \| DDBS
Debt Instrument
Carrying Value		$ 2,000,000		2,000,000
Fair Value		$ 1,390,000		$ 1,388,060
Interest rate (as a percent)		7.75%		7.75%
5 1/4% Senior Secured Notes due 2026 \| DDBS
Debt Instrument
Carrying Value		$ 2,750,000		$ 2,750,000
Fair Value		$ 2,158,750		$ 2,366,073
Interest rate (as a percent)		5.25%		5.25%
5 1/4% Senior Secured Notes due 2026 \| HSSC
Debt Instrument
Carrying Value		$ 750,000		$ 750,000
Fair Value		$ 625,200		$ 665,678
Interest rate (as a percent)		5.25%		5.25%
6 5/8% Senior Notes due 2026 \| HSSC
Debt Instrument
Carrying Value		$ 750,000		$ 750,000
Fair Value		$ 445,875		$ 591,525
Interest rate (as a percent)		6.625%		6.625%
3 3/8% Convertible Notes due 2026 \| DISH Network L.L.C.
Debt Instrument
Carrying Value		$ 2,908,801		$ 2,908,801
Fair Value		$ 1,830,799		$ 1,570,753
Interest rate (as a percent)		3.375%		3.375%
Aggregate principal amount						$ 3,000,000
11 3/4% Senior Secured Notes due 2027 \| DISH Network L.L.C.
Debt Instrument
Carrying Value		$ 3,500,000		$ 3,500,000
Fair Value		$ 3,578,750		$ 3,668,980
Interest rate (as a percent)		11.75%		11.75%
7 3/8% Senior Notes due 2028 \| DDBS
Debt Instrument
Carrying Value		$ 1,000,000		$ 1,000,000
Fair Value		$ 489,200		$ 600,160
Interest rate (as a percent)		7.375%		7.375%
5 3/4% Senior Secured Notes due 2028 \| DDBS
Debt Instrument
Carrying Value		$ 2,500,000		$ 2,500,000
Fair Value		$ 1,718,750		$ 2,013,125
Interest rate (as a percent)		5.75%		5.75%
5 1/8 % Senior Notes due 2029 \| DDBS
Debt Instrument
Carrying Value		$ 1,500,000		$ 1,500,000
Fair Value		$ 629,250		774,600
Interest rate (as a percent)		5.125%
Other notes payable
Debt Instrument
Carrying Value		$ 146,513		160,158
Fair Value		$ 146,513		$ 160,158