XML 39 R29.htm IDEA: XBRL DOCUMENT v3.19.1
Accounting Policies (Details)
$ in Millions
Mar. 31, 2019
Jan. 01, 2019
USD ($)
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]    
Lease Term Recognition-Balance Sheet 12  
Finance Lease, Liability   $ 568.0
Finance Lease, Right-of-Use Asset   $ 448.2