Segments and Related Information - Foreign Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment and Related Information [Line Items]
Revenue	$ 11,995,934	$ 9,778,038	$ 7,951,781
Property and equipment, net	1,651,462	1,754,101
United States
Segment and Related Information [Line Items]
Revenue	11,900,000	9,600,000	7,800,000
Property and equipment, net	1,600,000	1,700,000	1,400,000
Intangible assets and goodwill, net	2,900,000	3,000,000	2,100,000
Foreign Operations
Segment and Related Information [Line Items]
Revenue	95,100	149,900	165,200
Property and equipment, net	17,500	21,000	24,500
Intangible assets and goodwill, net	$ 32,600	$ 35,500	$ 43,800
Accounts Receivable, Net, Less Contract Liabilities \| Geographic Concentration Risk \| Foreign Operations
Segment and Related Information [Line Items]
Concentration risk, percentage of total	1.00%	1.00%	2.00%
Revenue Benchmark \| Customer Concentration Risk \| Government Transactions
Segment and Related Information [Line Items]
Concentration risk, percentage of total	11.00%	7.00%	5.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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