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Segments - Summary of Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 27,746,036	$ 23,826,195	$ 23,894,091
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	15,700,279	13,472,013	13,852,018
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	3,617,504	3,083,810	2,972,704
All other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 8,428,253	$ 7,270,372	$ 7,069,369

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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