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v3.22.1

Supplementary Data (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 01, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Text Block [Abstract] |  |  |  |
Goodwill | $ 4,908.7 | $ 4,899.3 | $ 4,908.7 | $ 4,945.5
Goodwill, Acquired During Period |  |  | (0.2) |
Goodwill, Other Decrease |  | (9.4) | (36.6) |
Goodwill | 4,908.7 | 4,899.3 | 4,908.7 | 4,945.5
Goodwill, Transfers | 0.0 |  |  |
Goodwill, Acquired During Period |  |  | (0.2) |
Goodwill, Other Decrease |  | (9.4) | (36.6) |
IAN [Member] |  |  |  |
Text Block [Abstract] |  |  |  |
Goodwill | 0.0 | 0.0 | 4,231.6 | 4,264.5
Goodwill, Acquired During Period |  |  | (0.2) |
Goodwill, Other Decrease |  | 0.0 | (32.7) |
Goodwill | 0.0 | 0.0 | 4,231.6 | 4,264.5
Goodwill, Transfers | (4,231.6) |  |  |
Goodwill, Acquired During Period |  |  | (0.2) |
Goodwill, Other Decrease |  | 0.0 | (32.7) |
DXTRA [Member] |  |  |  |
Text Block [Abstract] |  |  |  |
Goodwill | 0.0 | 0.0 | 677.1 | 681.0
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | 0.0 | (3.9) |
Goodwill | 0.0 | 0.0 | 677.1 | 681.0
Goodwill, Transfers | (677.1) |  |  |
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | 0.0 | (3.9) |
MD&E |  |  |  |
Text Block [Abstract] |  |  |  |
Goodwill | 2,293.0 | 2,290.7 | 0.0 | 0.0
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | (2.3) | 0.0 |
Goodwill | 2,293.0 | 2,290.7 | 0.0 | 0.0
Goodwill, Transfers | 2,293.0 |  |  |
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | (2.3) | 0.0 |
IA&C |  |  |  |
Text Block [Abstract] |  |  |  |
Goodwill | 1,920.2 | 1,914.1 | 0.0 | 0.0
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | (6.1) | 0.0 |
Goodwill | 1,920.2 | 1,914.1 | 0.0 | 0.0
Goodwill, Transfers | 1,920.2 |  |  |
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | (6.1) | 0.0 |
SC&E |  |  |  |
Text Block [Abstract] |  |  |  |
Goodwill | 695.5 | 694.5 | 0.0 | 0.0
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | (1.0) | 0.0 |
Goodwill | 695.5 | 694.5 | 0.0 | $ 0.0
Goodwill, Transfers | $ 695.5 |  |  |
Goodwill, Acquired During Period |  |  | 0.0 |
Goodwill, Other Decrease |  | $ (1.0) | $ 0.0 |

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