FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details) $ in Millions	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023
Maximum | Yanolja | Weighted average cost of capital | Income Approach
LIABILITIES:
Equity securities, fair value measurement input			0.145
Maximum | Yanolja | Terminal EBITDA Multiple | Income Approach
LIABILITIES:
Equity securities, fair value measurement input			16
Minimum | Yanolja | Weighted average cost of capital | Income Approach
LIABILITIES:
Equity securities, fair value measurement input			0.105
Minimum | Yanolja | Terminal EBITDA Multiple | Income Approach
LIABILITIES:
Equity securities, fair value measurement input			14
Recurring Basis
ASSETS:
Assets at fair value	$ 15,469	$ 11,917
Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	15,024	10,871
Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	61	97
Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value	37
Recurring Basis | International government securities | Short-term Investments
ASSETS:
Assets at fair value		63
Recurring Basis | U.S. government securities | Short-term Investments
ASSETS:
Assets at fair value		151
Recurring Basis | Corporate debt securities | Short-term Investments
ASSETS:
Assets at fair value		362
Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments
ASSETS:
Assets at fair value	323	311
Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value	24	62
LIABILITIES:
Liabilities at fair value	59	36
Nonrecurring Basis | Equity securities of private entities | Long-term Investments
ASSETS:
Assets at fair value		98
Level 1 | Recurring Basis
ASSETS:
Assets at fair value	15,408	11,279
Level 1 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	15,024	10,871
Level 1 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	61	97
Level 1 | Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value	0
Level 1 | Recurring Basis | International government securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 1 | Recurring Basis | U.S. government securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 1 | Recurring Basis | Corporate debt securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 1 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments
ASSETS:
Assets at fair value	323	311
Level 1 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value	0	0
LIABILITIES:
Liabilities at fair value	0	0
Level 1 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments
ASSETS:
Assets at fair value		0
Level 2 | Recurring Basis
ASSETS:
Assets at fair value	61	638
Level 2 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	0	0
Level 2 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value	0	0
Level 2 | Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value	37
Level 2 | Recurring Basis | International government securities | Short-term Investments
ASSETS:
Assets at fair value		63
Level 2 | Recurring Basis | U.S. government securities | Short-term Investments
ASSETS:
Assets at fair value		151
Level 2 | Recurring Basis | Corporate debt securities | Short-term Investments
ASSETS:
Assets at fair value		362
Level 2 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments
ASSETS:
Assets at fair value	0	0
Level 2 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value	24	62
LIABILITIES:
Liabilities at fair value	$ 59	36
Level 2 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | International government securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | U.S. government securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Corporate debt securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value		0
LIABILITIES:
Liabilities at fair value		0
Level 3 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments
ASSETS:
Assets at fair value		$ 98