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INVESTMENTS AND FAIR VALUE MEASUREMENT - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Assets    
Total held-to-maturity investments $ 504 $ 485
Corporate debt securities    
Assets    
Total held-to-maturity investments 157 204
U.S. Treasury securities    
Assets    
Total held-to-maturity investments 338 202
U.S. government agency securities    
Assets    
Total held-to-maturity investments 9 42
Certificates of deposit    
Assets    
Total held-to-maturity investments   34
Commercial paper    
Assets    
Total held-to-maturity investments   3
Estimate of Fair Value Measurement    
Assets    
Total held-to-maturity investments 504 485
Estimate of Fair Value Measurement | Corporate debt securities    
Assets    
Total held-to-maturity investments 157 204
Estimate of Fair Value Measurement | U.S. Treasury securities    
Assets    
Total held-to-maturity investments 338 202
Estimate of Fair Value Measurement | U.S. government agency securities    
Assets    
Total held-to-maturity investments 9 42
Estimate of Fair Value Measurement | Certificates of deposit    
Assets    
Total held-to-maturity investments   34
Estimate of Fair Value Measurement | Commercial paper    
Assets    
Total held-to-maturity investments   3
Estimate of Fair Value Measurement | Level 1    
Assets    
Total held-to-maturity investments 338 202
Estimate of Fair Value Measurement | Level 1 | Corporate debt securities    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 1 | U.S. Treasury securities    
Assets    
Total held-to-maturity investments 338 202
Estimate of Fair Value Measurement | Level 1 | U.S. government agency securities    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 1 | Certificates of deposit    
Assets    
Total held-to-maturity investments   0
Estimate of Fair Value Measurement | Level 1 | Commercial paper    
Assets    
Total held-to-maturity investments   0
Estimate of Fair Value Measurement | Level 2    
Assets    
Total held-to-maturity investments 166 283
Estimate of Fair Value Measurement | Level 2 | Corporate debt securities    
Assets    
Total held-to-maturity investments 157 204
Estimate of Fair Value Measurement | Level 2 | U.S. Treasury securities    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 2 | U.S. government agency securities    
Assets    
Total held-to-maturity investments 9 42
Estimate of Fair Value Measurement | Level 2 | Certificates of deposit    
Assets    
Total held-to-maturity investments   34
Estimate of Fair Value Measurement | Level 2 | Commercial paper    
Assets    
Total held-to-maturity investments   3
Estimate of Fair Value Measurement | Level 3    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 3 | Corporate debt securities    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 3 | U.S. Treasury securities    
Assets    
Total held-to-maturity investments 0 0
Estimate of Fair Value Measurement | Level 3 | U.S. government agency securities    
Assets    
Total held-to-maturity investments $ 0 0
Estimate of Fair Value Measurement | Level 3 | Certificates of deposit    
Assets    
Total held-to-maturity investments   0
Estimate of Fair Value Measurement | Level 3 | Commercial paper    
Assets    
Total held-to-maturity investments   $ 0