XML 19 R27.htm IDEA: XBRL DOCUMENT v3.20.1
Recent Accounting Pronouncements (Recently Adopted Accounting Standards) (Lease Accounting) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Lease right-of-use asset, net $ 13,029.6 $ 13,261.2