The amortization period for capitalized contract costs on the Balance Sheet.

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current.

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- Definition

Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration.

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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Net sales	$ 2,478.5	$ 2,416.2	$ 7,956.8	$ 7,212.9
Contract with Customer, Liability, Current	12.6		12.6			$ 12.1
Contract with Customer, Liability, Noncurrent	17.6		17.6			21.9
Contract with Customer, Refund Liability, Current	5.0		5.0			18.4
Contract with Customer, Asset, Net	10.5		10.5		$ 9.4
Consolidated Entities [Member]
Net sales	2,478.5	2,416.2	7,956.8	7,212.9
Engine [Member]
Net sales	1,515.8	1,506.4	4,906.2	4,483.6
Drivetrain [Member]
Net sales	976.7	921.8	3,093.7	2,767.7
Europe [Member] \| Consolidated Entities [Member]
Net sales	899.0	931.5	3,090.9	2,761.6
Europe [Member] \| Engine [Member]
Net sales	690.3	693.3	2,343.1	2,057.6
Europe [Member] \| Drivetrain [Member]
Net sales	208.7	238.2	747.8	704.0
Asia [Member] \| Consolidated Entities [Member]
Net sales	694.1	686.4	2,220.0	1,948.4
Asia [Member] \| Engine [Member]
Net sales	386.3	410.2	1,238.4	1,167.2
Asia [Member] \| Drivetrain [Member]
Net sales	307.8	276.2	981.6	781.2
Other Foreign [Member] \| Consolidated Entities [Member]
Net sales	40.7	36.9	118.3	97.8
Other Foreign [Member] \| Engine [Member]
Net sales	32.1	28.5	94.8	75.3
Other Foreign [Member] \| Drivetrain [Member]
Net sales	8.6	8.4	23.5	22.5
North America [Member] \| Consolidated Entities [Member]
Net sales	844.7	761.4	2,527.6	2,405.1
North America [Member] \| Engine [Member]
Net sales	393.0	362.5	1,186.5	1,145.1
North America [Member] \| Drivetrain [Member]
Net sales	451.7	398.9	1,341.1	1,260.0
Prepaid Expenses and Other Current Assets [Member]
Contract with Customer, Asset, Net	26.8		26.8			18.2
Other Noncurrent Assets [Member]
Contract with Customer, Asset, Net	$ 180.7		$ 180.7			$ 180.4
Minimum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	3 years		3 years
Capitalized contract costs, amortization period			3 years
Revenue, Performance Obligation, Description of Payment Terms			30
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	7 years		7 years
Capitalized contract costs, amortization period			7 years
Revenue, Performance Obligation, Description of Payment Terms			90
Reportable Geographical Components [Member] \| Engine [Member]
Net sales	$ 1,501.7	1,494.5	$ 4,862.8	4,445.2
Reportable Geographical Components [Member] \| Drivetrain [Member]
Net sales	$ 976.8	$ 921.7	$ 3,094.0	$ 2,767.7