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Turner & Townsend Acquisition - Narrative (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Nov. 01, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Revenue |  | $ 27,746,036,000 | $ 23,826,195,000 | $ 23,894,091,000
Operating income |  | 1,637,467,000 | 969,759,000 | 1,259,875,000
Net loss |  | 2,409,421,000 | 969,969,000 | 1,361,345,000
Direct transaction and integration costs |  | 44,552,000 | 1,756,000 | $ 15,292,000
Noncontrolling interest, fair value calculation, percentage of equity interest used in calculation | 100.00% |  |  |
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 |  |
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 |  |  |

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