Discontinued Operations (Schedule of Condensed Combined Statements of Income and Cash Flow of Discontinued Operations) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations, net of taxes	$ 107.2	$ 0.0	$ 119.9	$ 0.0
Total income (loss) from discontinued operations, net of taxes	115.5	(71.0)	217.2	14.0
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest income	6.3	18.8	29.2	37.8
Interest expense	(3.8)	(93.6)	(102.2)	(188.0)
Provision for credit losses	0.0	(4.8)	0.0	(14.6)
Rental income on operating leases	2.0	308.2	308.7	619.5
Other Income	(42.8)	13.2	(22.1)	38.0
Depreciation on operating lease equipment	0.0	(113.2)	0.0	(227.1)
Maintenance and other operating leases expenses	0.0	(14.3)	(4.2)	(21.6)
Operating expenses	45.9	(268.1)	(1.7)	(307.6)
Loss on debt extinguishment	0.0	(1.6)	(39.0)	(1.6)
Income from discontinued operation before provision for income taxes	7.6	(155.4)	168.7	(65.2)
Provision for income taxes	0.7	84.4	(71.4)	79.2
Gain on sale of discontinued operations, net of taxes	107.2	0.0	119.9	0.0
Total income (loss) from discontinued operations, net of taxes	$ 115.5	$ (71.0)	217.2	14.0
Net cash flows used for operations			10.3	505.1
Net cash flows provided by investing activities			$ 10,778.5	$ (250.3)