CASH, CASH EQUIVALENTS, AND INVESTMENTS - Amortized Cost (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 559,000,000	$ 671,000,000	$ 953,000,000
Unrealized Gains	0	0
Unrealized Losses	0	0
Equity securities	0	8,000,000
Equity securities, cash and cash equivalents		0
Equity securities, marketable securities		8,000,000
Total cost basis	559,000,000	679,000,000
Total fair value	559,000,000	679,000,000
Cash and Cash Equivalents	559,000,000	671,000,000
Marketable Securities	0	8,000,000
Cash
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	61,000,000	60,000,000
Money market funds
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 498,000,000	$ 611,000,000