XML 63 R49.htm IDEA: XBRL DOCUMENT v3.20.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Leases) (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Jan. 01, 2019
Lessee, Lease, Description [Line Items]    
Operating Lease, Right-of-Use Asset   $ 853.9
Operating Lease, Liability $ 1,405.2 853.9
Minimum [Member]    
Lessee, Lease, Description [Line Items]    
Non-cancelable operating lease term 1 year  
Lease with Affiliate [Member]    
Lessee, Lease, Description [Line Items]    
Operating Lease, Right-of-Use Asset   604.4
Operating Lease, Liability   $ 604.4