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Turner & Townsend Acquisition - Narrative (Details) - USD ($)
 12 Months Ended
Nov. 01, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]        
Revenue   $ 30,828,246,000 $ 27,746,036,000 $ 23,826,195,000
Operating income   1,511,915,000 1,637,467,000 969,759,000
Net loss   1,658,190,000 2,409,421,000 969,969,000
Direct transaction and integration costs   $ 40,702,000 44,552,000 1,756,000
Turner & Townsend        
Business Acquisition [Line Items]        
Noncontrolling interest, noncontrolling owners percent 40.00%      
Turner & Townsend        
Business Acquisition [Line Items]        
Remaining controlling interest acquired percentage 60.00%      
Deferred consideration, gross $ 591,200,000      
Deferred consideration, discount 96,900,000      
Goodwill deductible amount $ 0      
Revenue     194,000,000  
Operating income     500,000  
Net loss     (500,000)  
Direct transaction and integration costs     44,600,000  
Noncontrolling interest, fair value calculation, percentage of equity interest used in calculation 100.00%      
Increased amortization expense     81,300,000 97,500,000
Increased depreciation expense     $ 5,500,000 $ 6,600,000
Turner & Townsend | Minimum        
Business Acquisition [Line Items]        
Contractual payment date period 3 years      
Turner & Townsend | Maximum        
Business Acquisition [Line Items]        
Contractual payment date period 4 years