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CASH, CASH EQUIVALENTS, AND INVESTMENTS - Amortized Cost (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 2,239	$ 1,731	$ 1,558
Equity securities	22	46
Total cost basis	2,477	2,216
Unrealized Gains	0	0
Unrealized Losses	(5)	(1)
Fair Value	211
Total fair value	2,472	2,215
Equity securities, cash and cash equivalents	0	0
Cash and Cash Equivalents	2,239	1,731
Equity securities, marketable securities	22	46
Marketable securities	233	484
Mutual fund
Cash and Cash Equivalents [Line Items]
Mutual fund		200
Mutual fund, cash and cash equivalents		0
Mutual fund, marketable securities		200
Corporate debt securities
Cash and Cash Equivalents [Line Items]
Cost Basis	171	208
Unrealized Gains	0	0
Unrealized Losses	(5)	(1)
Fair Value	166	207
Debt securities, available-for-sale, cash and cash equivalents	0	0
Debt securities, available-for-sale, marketable securities	166	207
Commercial paper
Cash and Cash Equivalents [Line Items]
Cost Basis	28	15
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	28	15
Debt securities, available-for-sale, cash and cash equivalents	0	0
Debt securities, available-for-sale, marketable securities	28	15
Certificates of deposit
Cash and Cash Equivalents [Line Items]
Cost Basis	12	5
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	12	5
Debt securities, available-for-sale, cash and cash equivalents	0	0
Debt securities, available-for-sale, marketable securities	12	5
Asset-backed securities
Cash and Cash Equivalents [Line Items]
Cost Basis	5	7
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	5	7
Debt securities, available-for-sale, cash and cash equivalents	0	0
Debt securities, available-for-sale, marketable securities	5	7
Sovereign bonds
Cash and Cash Equivalents [Line Items]
Cost Basis		4
Unrealized Gains		0
Unrealized Losses		0
Fair Value		4
Debt securities, available-for-sale, cash and cash equivalents		0
Debt securities, available-for-sale, marketable securities		4
Cash
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	80	81
Time deposit
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	1,222	300
Money market funds
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 937	$ 1,350

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