Revenue Recognition (Contract with Customer, Asset and Liability) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Accounts receivable (including long-term, included in Other assets)	$ 1,031,446	$ 1,106,225
Contract assets, short-term (included in Prepaid expenses and other current assets)	139,079	69,351
Contract assets, long-term (included in Other assets)	2,126	29,323
Contract liabilities (Deferred revenue)	205,432	167,071
Contract liabilities (Deferred revenue included in Other liabilities)	$ 218	$ 31,832