Face (par) amount of debt instrument at time of issuance.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Schedule of Principal Values, Fair Values, and Carrying Values of Debt) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	May 14, 2021	Jan. 29, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal Balance	$ 12,028,000,000			$ 11,180,000,000
Fair Value	12,127,862,000			11,428,029,000
Carrying Value	11,932,447,000			11,095,796,000
Less: current maturities of long-term debt	(24,000,000)			(24,000,000)
Total long-term debt, net of current maturities	$ 11,908,447,000			11,071,796,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Apr. 11, 2023
Principal Balance	$ 85,000,000			380,000,000
Fair Value	85,000,000			380,000,000
Carrying Value	$ 85,000,000			380,000,000
2018 Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Apr. 11, 2025
Principal Balance	$ 2,328,000,000			2,340,000,000
Fair Value	2,304,720,000			2,310,750,000
Carrying Value	$ 2,315,022,000			2,325,391,000
2013-2C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Apr. 11, 2023
Principal Balance	$ 575,000,000			575,000,000
Fair Value	589,065,000			599,662,000
Carrying Value	$ 572,680,000			572,063,000
2014-2C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Oct. 08, 2024
Principal Balance	$ 620,000,000			620,000,000
Fair Value	653,027,000			670,003,000
Carrying Value	$ 616,608,000			616,131,000
2017-1C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Apr. 11, 2022
Principal Balance				760,000,000
Fair Value				774,410,000
Carrying Value				757,165,000
2018-1C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Mar. 09, 2023
Principal Balance	$ 640,000,000			640,000,000
Fair Value	658,419,000			671,341,000
Carrying Value	$ 636,920,000			636,045,000
2019-1C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Jan. 12, 2025
Principal Balance	$ 1,165,000,000			1,165,000,000
Fair Value	1,191,061,000			1,218,613,000
Carrying Value	$ 1,156,267,000			1,155,106,000
2020-1C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Jan. 09, 2026
Principal Balance	$ 750,000,000			750,000,000
Fair Value	756,480,000			752,910,000
Carrying Value	$ 743,365,000			742,782,000
2020-2C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Jan. 11, 2028
Principal Balance	$ 600,000,000			600,000,000
Fair Value	611,646,000			597,840,000
Carrying Value	$ 594,387,000			594,081,000
2021-1C Tower Securities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	May 09, 2051
Principal Balance	$ 1,165,000,000	$ 1,165,000,000
Fair Value	1,164,918,000
Carrying Value	$ 1,152,901,000
2016 Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Sep. 01, 2024
Principal Balance	$ 1,100,000,000			1,100,000,000
Fair Value	1,119,151,000			1,127,500,000
Carrying Value	$ 1,090,317,000			1,088,924,000
2017 Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Oct. 01, 2022
Principal Balance				750,000,000
Fair Value				757,500,000
Carrying Value				746,642,000
2020 Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Feb. 15, 2027
Principal Balance	$ 1,500,000,000			1,500,000,000
Fair Value	1,545,000,000			1,567,500,000
Carrying Value	$ 1,482,803,000			$ 1,481,466,000
2021 Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	Feb. 01, 2029
Principal Balance	$ 1,500,000,000		$ 1,500,000,000
Fair Value	1,449,375,000
Carrying Value	$ 1,486,177,000