Intangible Assets, Net (Gross and Net Carrying Amounts for each Major Class of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 7,063,235	$ 6,674,067
Accumulated amortization	(4,286,763)	(3,870,820)
Net book value	2,776,472	2,803,247
Current Contract Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	5,170,187	4,890,427
Accumulated amortization	(3,060,494)	(2,749,594)
Net book value	2,109,693	2,140,833
Network Location Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,893,048	1,783,640
Accumulated amortization	(1,226,269)	(1,121,226)
Net book value	$ 666,779	$ 662,414