NOTES PAYABLE AND COMMERCIAL BANK FINANCING - Additional Debt Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Interest expense including amortization of debt discount and deferred financing costs	$ 618	$ 656	$ 422
Amortization of debt issuance costs and discounts	30	31	17
Deferred financing costs	$ 4	19
Original issuance premium		$ 25
Bank Credit Agreement
Debt Instrument [Line Items]
Deferred financing costs			$ 222