OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation and Principles of Consolidation (Details) $ in Millions	Jun. 30, 2022 USD ($) entity	Dec. 31, 2021 USD ($) entity
Variable Interest Entity [Line Items]
Number of consolidated variable interest entities | entity	0	2
Short-term investments	$ 4,723	$ 4,303
Loans and interest receivable, net	5,749	4,846
Long-term debt	10,198	8,049
Long-term investments	6,270	6,797
Variable interest entity, reporting entity involvement, maximum loss exposure, amount	231	205
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Short-term investments		87
Loans and interest receivable, net		21
Long-term debt		98
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Long-term investments	$ 98	$ 74