Lease Conversion Program (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Lease Conversion Program [Line Items]
Lease termination costs included in operating expense	$ 29.9	$ 0
Equipment under operating leases [Member]
Lease Conversion Program [Line Items]
Property, plant and equipment additions	$ 126.6

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration