Supplemental Data - Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Supplemental Data - Statements of Cash Flows
Cash paid for interest (including capitalized interest)	$ 277,849	$ 242,458
Cash received for interest	457	3,080
Cash paid for income taxes	1,082	158
Capitalized interest (1)	208,452	$ 230,450
Employee benefits paid in Class A common stock	30,304
Deferred tax liabilities	3,771,572		$ 3,869,570
Vendor financing	26,463
ASU 2020-06
Supplemental Data - Statements of Cash Flows
Convertible debt reclassed per ASU 2020-06 (1)	1,051,344
Deferred tax liabilities	245,778
Licenses 3550-3650 MHz
Supplemental Data - Statements of Cash Flows
3550-3650 MHz licenses reclassification	$ 912,939

The amount of licenses reclassified.

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This element represents vendor financing during the reporting period.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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Amount of expense for employee benefit and equity-based compensation.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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Amount of cash paid for interest capitalized, classified as investing activity.

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Interest received on loans and other debt instruments during the current period.

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