Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards and tax credits	$ 681	$ 745
Deferred revenue	52	62
Accrued bonus	35	29
Expensed costs capitalized for tax	9	11
Investments	20	21
Stock based compensation	57	74
Operating lease liability	104	118
Other	12	0
Total deferred tax assets	970	1,060
Deferred tax liabilities:
Depreciation of property and equipment	(286)	(237)
FCC license	(522)	(521)
Other intangible assets	(263)	(292)
Right of use asset	(89)	(106)
Other	(5)	(5)
Total deferred tax liabilities	(1,165)	(1,161)
Net deferred tax assets before valuation allowance	(195)	(101)
Valuation allowance	(83)	(54)
Total net deferred tax (liability) asset	$ (278)	$ (155)