Balance Sheet Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
Receivables, net:
Customers	$ 1,727.7	$ 1,735.7
Indirect taxes	114.1	152.1
Other	152.2	136.8
Gross receivables	1,994.0	2,024.6
Bad debt allowance (a)	(6.6)	(5.7)
Total receivables, net	1,987.4	2,018.9
Inventories, net:
Raw material and supplies	485.0	469.7
Work in progress	113.6	126.7
Finished goods	198.9	183.0
FIFO inventories	797.5	779.4
LIFO reserve	(16.7)	(13.1)
Total inventories, net	780.8	766.3		$ 758.9
Prepayments and other current assets:
Prepaid tooling	82.9	81.9
Prepaid taxes	84.4	5.3
Other	82.7	58.2
Total prepayments and other current assets	250.0	145.4		$ 154.8
Property, plant and equipment, net:
Property, plant and equipment, gross	4,150.1	4,045.6
Accumulated depreciation	(1,473.5)	(1,391.7)
Property, plant & equipment, net, excluding tooling	2,676.6	2,653.9
Tooling, net of amortization	227.2	209.9
Property, plant & equipment, net	2,903.8	2,863.8
Investments and other long-term receivables:
Investment in equity affiliates	243.5	239.6
Other long-term asbestos-related insurance receivables	303.3	258.7
Other long-term receivables	44.9	49.1
Long-term Investments and Receivables, Net	591.7	547.4
Other non-current assets:
Deferred income taxes	197.7	121.2
Deferred asbestos-related insurance asset	83.1	127.7
Other	221.5	209.8
Total other non-current assets	502.3	458.7
Accounts payable and accrued expenses:
Trade payables	1,485.4	1,545.6
Payroll and employee related	232.6	239.7
Indirect taxes	72.9	111.0
Product warranties	56.2	69.0
Customer related	49.2	75.7
Asbestos-related liability	50.0	52.5
Severance	25.0	5.8
Interest	19.1	22.9
Dividends payable to noncontrolling shareholders	17.2	17.7
Retirement related	15.9	17.2
Insurance	11.7	10.1
Derivatives	1.8	5.0
Other	107.3	98.1
Total accounts payable and accrued expenses	2,144.3	2,270.3
Other non-current liabilities:
Deferred income taxes	51.4	61.4
Product warranties	47.0	42.5
Other	258.9	251.6
Total other non-current liabilities	357.3	355.5
Bad debt allowance
Beginning balance, January 1	(5.7)	(2.9)	$ (1.9)
Provision	(5.3)	(2.7)	(3.2)
Write-offs	4.2	0.1	0.2
Business divestiture	0.0	0.0	2.0
Translation adjustment and other	0.2	(0.2)	0.0
Ending balance, December 31	(6.6)	(5.7)	(2.9)
Trade payables for capital expenditures	103.7	106.5
Interest costs capitalized	22.3	19.7	$ 14.1
Land [Member]
Property, plant and equipment, net:
Property, plant and equipment, gross	107.9	115.7
Building [Member]
Property, plant and equipment, net:
Property, plant and equipment, gross	762.6	783.5
Machinery and equipments
Property, plant and equipment, net:
Property, plant and equipment, gross	2,851.2	2,734.4
Capital leases
Property, plant and equipment, net:
Property, plant and equipment, gross	2.6	1.5
Construction in progress
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 425.8	$ 410.5