Supplementary Data (Details) - USD ($) $ in Millions		9 Months Ended	12 Months Ended
	Jan. 01, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Text Block [Abstract]
Goodwill	$ 4,908.7	$ 4,803.4	$ 4,908.7	$ 4,945.5
Goodwill, Acquired During Period		(6.5)	(0.2)
Goodwill, Other Decrease		(98.8)	(36.6)
Goodwill	4,908.7	4,803.4	4,908.7	4,945.5
Goodwill, Transfers	0.0
Goodwill, Acquired During Period		(6.5)	(0.2)
Goodwill, Other Decrease		(98.8)	(36.6)
IAN [Member]
Text Block [Abstract]
Goodwill	0.0	0.0	4,231.6	4,264.5
Goodwill, Acquired During Period		0.0	(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		0.0	(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	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	0.0
Goodwill, Other Decrease		0.0	(3.9)
MD&E
Text Block [Abstract]
Goodwill	2,293.0	2,262.2	0.0	0.0
Goodwill, Acquired During Period		0.0	0.0
Goodwill, Other Decrease		(30.8)	0.0
Goodwill	2,293.0	2,262.2	0.0	0.0
Goodwill, Transfers	2,293.0
Goodwill, Acquired During Period		0.0	0.0
Goodwill, Other Decrease		(30.8)	0.0
IA&C
Text Block [Abstract]
Goodwill	1,920.2	1,865.1	0.0	0.0
Goodwill, Acquired During Period		(6.5)	0.0
Goodwill, Other Decrease		(48.6)	0.0
Goodwill	1,920.2	1,865.1	0.0	0.0
Goodwill, Transfers	1,920.2
Goodwill, Acquired During Period		(6.5)	0.0
Goodwill, Other Decrease		(48.6)	0.0
SC&E
Text Block [Abstract]
Goodwill	695.5	676.1	0.0	0.0
Goodwill, Acquired During Period		0.0	0.0
Goodwill, Other Decrease		(19.4)	0.0
Goodwill	695.5	676.1	0.0	$ 0.0
Goodwill, Transfers	$ 695.5
Goodwill, Acquired During Period		0.0	0.0
Goodwill, Other Decrease		$ (19.4)	$ 0.0