Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Receivables, net:
Customers	$ 1,067.5	$ 1,014.6
Other	183.1	134.8
Gross receivables	1,250.6	1,149.4
Bad debt allowance(a)	(2.1)	(2.1)
Total receivables, net	1,248.5	1,147.3
Inventories, net:
Raw material and supplies	279.8	264.0
Work in progress	78.0	82.0
Finished goods	116.3	117.6
FIFO inventories	474.1	463.6
LIFO reserve	(16.0)	(16.0)
Total inventories, net	458.1	447.6
Prepayments and other current assets:
Prepaid tooling	37.1	39.1
Derivatives	3.4	5.7
Prepaid taxes	12.3	0.7
Other	30.9	22.0
Total prepayments and other current assets	83.7	67.5
Property, plant and equipment, net:
Property, plant and equipment, gross	2,926.1	3,245.6
Accumulated depreciation	1,099.3	1,567.0
Property, plant & equipment, net, excluding tooling	1,826.8	1,678.6
Tooling, net of amortization	112.6	109.4
Property, plant & equipment, net	1,939.4	1,788.0
Investments and advances:
Investment in equity affiliates	201.5	217.7
Other investments and advances	203.6	165.0
Total investments and advances	405.1	382.7
Other non-current assets:
Deferred income taxes	257.6	244.1
Other intangible assets	169.5	206.3
Product liability insurance asset	96.7	85.6
Other	53.2	39.9
Total other non-current assets	577.0	575.9
Accounts payable and accrued expenses:
Trade payables	872.6	815.4
Trade payables for capital expenditures	62.8	39.8
Payroll and employee related	184.6	180.7
Product liability	41.1	36.5
Customer related	49.7	36.3
Product warranties	38.4	33.1
Retirement related	21.8	27.9
Interest	12.0	11.7
Severance	7.4	9.8
Dividends payable to noncontrolling shareholders	16.7	9.5
Insurance	8.2	9.2
Severance	11.3	8.9
Legal and professional fees	7.8	4.2
Environmental	1.1	1.6
Current deferred income taxes	3.9	1.4
Other	44.4	61.2
Total accounts payable and accrued expenses	1,383.8	1,287.2
Other non-current liabilities:
Deferred income taxes	81.3	89.4
Cross-currency swaps and derivatives	24.3	58.1
Product liability	55.6	49.1
Product warranties	34.3	31.8
Deferred revenue	46.2	30.5
Environmental	2.9	2.3
Other	82.2	56.9
Total other non-current liabilities	326.8	318.1
Bad debt allowance
Interest costs capitalized	11.9	17.8
Land [Member]
Property, plant and equipment, net:
Property, plant and equipment, gross	87.2	76.4
Building [Member]
Property, plant and equipment, net:
Property, plant and equipment, gross	666.7	640.8
Machinery and equipments
Property, plant and equipment, net:
Property, plant and equipment, gross	1,897.5	2,282.4
Capital leases
Property, plant and equipment, net:
Property, plant and equipment, gross	2.4	2.3
Construction in progress
Property, plant and equipment, net:
Property, plant and equipment, gross	272.3	243.7
Allowance for Doubtful Accounts [Member]
Bad debt allowance
Beginning balance, January 1	(2.1)	(4.3)	(4.0)
Provision	(0.3)	(0.8)	(1.4)
Write-offs	0.4	3.0	1.0
Translation adjustment and other	(0.1)		0.1
Ending balance, December 31	$ (2.1)	$ (2.1)	$ (4.3)