SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, COMMON STOCK SPLIT (Details) $ / shares in Units, $ in Millions			6 Months Ended
	Jun. 07, 2021 USD ($) $ / shares	Jun. 06, 2021 USD ($)	Jun. 30, 2021	Jun. 17, 2021 shares
Accounting Policies [Abstract]
Conversion ratio	10		10
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Conversion ratio	10		10
Additional shares of common stock (in shares) | shares				9
Directors
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Common stock, value, shares authorized increase | $	$ 1,200	$ 60
Common stock, par or stated value per share (usd per share) | $ / shares	$ 0.01