Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENT (Narrative) (Details)

v3.21.1
SUBSEQUENT EVENT (Narrative) (Details) - Subsequent Event
$ in Billions
Apr. 28, 2021
USD ($)
Minimum  
Subsequent Event [Line Items]  
Bankruptcy claims, amount of claims filed $ 1.3
Maximum  
Subsequent Event [Line Items]  
Bankruptcy claims, amount of claims filed $ 1.9