XML 92 R68.htm IDEA: XBRL DOCUMENT v3.20.4
LEASES (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2018
Leases [Abstract]    
Operating leases, rent expense   $ 220
Minimum    
Lessee, Lease, Description [Line Items]    
Remaining lease term 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Remaining lease term 16 years  
Renewal term 15 years