Annual Minimum Payments Due on Finance Receivables (Detail) - Financial Services - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivables	$ 9,286.5	$ 9,065.1
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
2016	1,238.4
2017	1,049.7
2018	806.5
2019	544.3
2020	331.7
Thereafter	41.1
Financing Receivables	4,011.7
Finance Leases Financing Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
2016	1,083.3
2017	883.7
2018	672.3
2019	465.4
2020	261.9
Thereafter	112.9
Financing Receivables	$ 3,479.5