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Debt (Schedule of Principal Values, Fair Values, and Carrying Values of Debt) (Details) - USD ($)
 9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Principal Balance $ 12,584,000,000 $ 12,952,000,000
Fair Value 11,460,729,000 11,819,108,000
Carrying Value 12,515,102,000 12,868,162,000
Less: current maturities of long-term debt (24,000,000) (24,000,000)
Total long-term debt, net of current maturities $ 12,491,102,000 12,844,162,000
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Maturity Date Jul. 07, 2026  
Principal Balance $ 370,000,000 720,000,000
Fair Value 370,000,000 720,000,000
Carrying Value $ 370,000,000 720,000,000
2018 Term Loan [Member]    
Debt Instrument [Line Items]    
Maturity Date Apr. 11, 2025  
Principal Balance $ 2,274,000,000 2,292,000,000
Fair Value 2,271,158,000 2,280,540,000
Carrying Value $ 2,268,489,000 2,284,007,000
2014-2C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Oct. 08, 2024  
Principal Balance $ 620,000,000 620,000,000
Fair Value 602,454,000 598,480,000
Carrying Value $ 618,880,000 618,099,000
2019-1C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Jan. 12, 2025  
Principal Balance $ 1,165,000,000 1,165,000,000
Fair Value 1,107,799,000 1,095,776,000
Carrying Value $ 1,161,718,000 1,159,860,000
2020-1C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Jan. 09, 2026  
Principal Balance $ 750,000,000 750,000,000
Fair Value 677,753,000 665,633,000
Carrying Value $ 746,570,000 745,480,000
2020-2C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Jan. 11, 2028  
Principal Balance $ 600,000,000 600,000,000
Fair Value 510,414,000 506,574,000
Carrying Value $ 596,209,000 595,586,000
2021-1C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Nov. 09, 2026  
Principal Balance $ 1,165,000,000 1,165,000,000
Fair Value 1,008,599,000 991,705,000
Carrying Value $ 1,157,471,000 1,155,724,000
2021-2C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Apr. 09, 2027  
Principal Balance $ 895,000,000 895,000,000
Fair Value 766,926,000 756,302,000
Carrying Value $ 888,721,000 887,443,000
2021-3C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Oct. 09, 2031  
Principal Balance $ 895,000,000 895,000,000
Fair Value 681,954,000 686,134,000
Carrying Value $ 887,146,000 886,495,000
2022-1C Tower Securities [Member]    
Debt Instrument [Line Items]    
Maturity Date Jan. 11, 2028  
Principal Balance $ 850,000,000 850,000,000
Fair Value 844,492,000 855,899,000
Carrying Value $ 840,973,000 840,053,000
2020 Senior Notes [Member]    
Debt Instrument [Line Items]    
Maturity Date Feb. 15, 2027  
Principal Balance $ 1,500,000,000 1,500,000,000
Fair Value 1,374,180,000 1,375,815,000
Carrying Value $ 1,489,215,000 1,487,013,000
2021 Senior Notes [Member]    
Debt Instrument [Line Items]    
Maturity Date Feb. 01, 2029  
Principal Balance $ 1,500,000,000 1,500,000,000
Fair Value 1,245,000,000 1,286,250,000
Carrying Value $ 1,489,710,000 $ 1,488,402,000