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Business Segments, Currencies (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | $ 23,432.9 | $ 20,760.8 | $ 20,862.1
United States dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 14,402.3 | 12,258.9 | 12,375.9
British pound [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,773.5 | 1,640.0 | 1,575.6
Euro [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,464.9 | 1,436.1 | 1,535.6
Australian dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,085.3 | 1,036.9 | 1,183.0
Indian rupee [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 823.8 | 661.4 | 591.0
Canada, Dollars |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 612.6 | 613.8 | 593.8
Hong Kong dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 567.1 | 544.8 | 532.3
Chinese yuan [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 488.1 | 480.9 | 506.0
Singapore dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 447.3 | 425.4 | 368.4
Japanese yen [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 346.3 | 286.6 | 233.8
Other currencies [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | $ 1,421.7 | $ 1,376.0 | $ 1,366.7

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