Reportable Segment Information - Reportable Segment Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 22,148.9	$ 19,944.6	$ 18,361.7
Segment profit	3,397.2	3,083.7	3,373.8
Interest expense	(390.8)	(334.7)	(340.4)
Administrative expenses and other	(433.3)	(500.4)	(514.2)
Income before income taxes	$ 2,573.1	$ 2,248.6	$ 2,519.2
% to net external sales	11.60%	11.30%	13.70%
Identifiable assets	$ 22,594.0	$ 20,666.7	$ 20,401.6
Capital expenditures	644.5	372.0	303.8
Depreciation	264.0	263.1	268.0
Amortization	317.1	309.5	313.4
Administrative
Segment Reporting Information [Line Items]
Net sales	3.7	2.2	2.7
Interest expense			(340.4)
Corporate and eliminations
Segment Reporting Information [Line Items]
Net sales	(5,708.7)	(4,559.3)	(3,822.8)
Interest expense	(390.8)	(334.7)
Administrative expenses and other	(433.3)	(500.4)
Income before income taxes	(824.1)	(835.1)	(854.6)
Identifiable assets	1,674.0	1,489.1	1,556.5
Capital expenditures	223.5	78.1	107.1
Depreciation	34.8	36.8	38.3
Amortization	2.0	3.2	5.0
Intersegment transfers
Segment Reporting Information [Line Items]
Net sales	5,712.4	4,561.5	3,825.5
Administrative expenses and other			(514.2)
The Americas Group
Segment Reporting Information [Line Items]
Net sales	12,661.0	11,217.0	10,383.2
The Americas Group | Operating Segments
Segment Reporting Information [Line Items]
Net sales	12,661.0	11,217.0	10,383.2
Segment profit	2,436.6	2,239.1	2,294.1
Income before income taxes	$ 2,436.6	$ 2,239.1	$ 2,294.1
% to net external sales	19.20%	20.00%	22.10%
Identifiable assets	$ 6,018.2	$ 5,627.9	$ 5,386.6
Capital expenditures	92.9	79.2	63.9
Depreciation	76.1	73.4	73.0
Amortization	3.5	3.7	4.5
Consumer Brands Group
Segment Reporting Information [Line Items]
Net sales	2,690.7	2,721.6	3,053.4
Consumer Brands Group | Intersegment transfers
Segment Reporting Information [Line Items]
Net sales	(5,508.7)	(4,411.8)	(3,688.4)
Consumer Brands Group | Operating Segments
Segment Reporting Information [Line Items]
Net sales	8,199.4	7,133.4	6,741.8
Segment profit	225.7	358.4	579.6
Income before income taxes	$ 225.7	$ 358.4	$ 579.6
% to net external sales	8.40%	13.20%	19.00%
Identifiable assets	$ 6,605.0	$ 5,161.1	$ 5,387.4
Capital expenditures	289.4	123.9	89.8
Depreciation	124.0	86.7	87.6
Amortization	79.6	83.7	90.0
Performance Coatings Group
Segment Reporting Information [Line Items]
Net sales	6,793.5	6,003.8	4,922.4
Performance Coatings Group | Intersegment transfers
Segment Reporting Information [Line Items]
Net sales	(203.7)	(149.7)	(137.1)
Performance Coatings Group | Operating Segments
Segment Reporting Information [Line Items]
Net sales	6,997.2	6,153.5	5,059.5
Segment profit	734.9	486.2	500.1
Income before income taxes	$ 734.9	$ 486.2	$ 500.1
% to net external sales	10.80%	8.10%	10.20%
Identifiable assets	$ 8,296.8	$ 8,388.6	$ 8,071.1
Capital expenditures	38.7	90.8	43.0
Depreciation	29.1	66.2	69.1
Amortization	$ 232.0	$ 218.9	$ 213.9