Commitments and contingencies disclosure.

No definition available.

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- Definition

Commitment expiration period.

+ References

No definition available.

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- Definition

Other nonrecurring expense accrual adjustment.

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No definition available.

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- Definition

Standby Letters of Credit and Surety Bonds

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No definition available.

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- Definition

Amount of contractual obligation due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Amount of contractual obligation due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

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No definition available.

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- Definition

Unused amount of commitments to extend credit to customers.

+ References

No definition available.

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Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions			3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 19, 2016 USD ($)	Jul. 19, 2016 EUR (€)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2016 EUR (€)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commitments And Contingencies Disclosure [Line Items]
Standby letters of credit and surety bonds							$ 26.3
Outstanding commitments to fund new loan and lease transactions							$ 928.6
Funding commitments for loans and leases expiration period							90 days
Other commitments due in 2018							$ 243.9
Other commitments due in 2019							71.6
Other commitments due in 2020							69.1
Other commitments due in 2021							62.3
Other commitments due in 2022							60.5
Other commitments due in 2022 and beyond							0.0
Environmental activities expenditures							1.9	$ 2.2	$ 2.0
Truck, Parts and Other
Commitments And Contingencies Disclosure [Line Items]
European Commission charge			$ (109.6)	$ 942.6	$ 833.0	€ 752.7	$ 0.0	$ 833.0	$ 0.0
Litigation settlement amount	$ 833.0	€ 752.7