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Business Segments, Currencies (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | $ 20,862.1 | $ 19,367.0 | $ 16,589.9
United States dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 12,375.9 | 11,283.1 | 9,457.8
British pound [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,575.6 | 1,626.6 | 1,341.1
Euro [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,535.6 | 1,393.3 | 1,350.6
Australian dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 1,183.0 | 1,118.7 | 876.1
Canada, Dollars |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 593.8 | 508.3 | 432.6
Indian rupee [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 591.0 | 508.2 | 524.5
Hong Kong dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 532.3 | 545.6 | 512.2
Chinese yuan [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 506.0 | 539.1 | 473.1
Singapore dollar [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 368.4 | 327.4 | 246.6
Japanese yen [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | 233.8 | 256.8 | 257.9
Other currencies [Member] |  |  |
Schedule of Significant Currencies [Line Items] |  |  |
Revenues | $ 1,366.7 | $ 1,259.9 | $ 1,117.4

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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