Investments in Affiliated Companies (Future Lease Receipts) (Details 7) $ in Millions	Dec. 31, 2015 USD ($)
Schedule of Equity Method Investments [Line Items]
2016	$ 970.3	[1]
2017	815.1	[1]
2018	684.3	[1]
2019	568.1	[1]
2020	442.6	[1]
Years thereafter	912.2	[1]
Total future receipts from leases	4,392.6	[1]
RRPF Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
2016	301.8
2017	270.4
2018	245.9
2019	198.5
2020	165.7
Years thereafter	486.7
Total future receipts from leases	1,669.0
RRPF Joint Ventures [Member] | Rolls-Royce [Member]
Schedule of Equity Method Investments [Line Items]
Total future receipts from leases	832.8
RRPF Joint Ventures [Member] | Third Parties [Member]
Schedule of Equity Method Investments [Line Items]
Total future receipts from leases	$ 836.2

[1] (1) The future contractual receipts due under our full-service operating leases include executory costs such as maintenance, car taxes, and insurance.