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FAIR VALUE MEASUREMENTS, INVESTMENTS AND NOTES RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The table below presents the fair value of financial assets and liabilities measured at fair value, based on the inputs described in Note 1, on a recurring basis in the Company's financial statements as of December 31 (in millions):

			2024																								2023
			Total						Level 1						Level 2						Level 3						Total						Level 1						Level 2						Level 3
Cash and cash equivalents			$	8,769					$	8,769					$	—					$	—					$	6,058					$	6,058					$	—					$	—
Restricted cash - current (Note 1)			11						11						—						—						31						31						—						—
Restricted cash - non-current (Note 1)			166						166						—						—						245						245						—						—
Short-term investments:
U.S. government and agency notes			2,280						—						2,280						—						8,257						—						8,257						—
Certificates of deposit placed through an account registry service ("CDARS")			59						—						59						—						73						—						73						—
Corporate debt			3,127						—						3,127						—						—						—						—						—
Other fixed-income securities			240						—						240						—						—						—						—						—
Long-term investments:
Equity securities			71						71						—						—						177						177						—						—

Carrying Values and Estimated Fair Values of Financial Instruments

The table below presents the carrying values and estimated fair values of financial instruments not presented in the tables above as of December 31 (in millions). Carrying amounts include any related discounts, premiums and issuance costs:

			2024																														2023
			Carrying Amount						Fair Value																								Carrying Amount						Fair Value
									Total						Level 1						Level 2						Level 3												Total						Level 1						Level 2						Level 3
Long-term debt			$	24,653					$	24,423					$	—					$	17,300					$	7,123					$	29,075					$	28,302					$	—					$	22,543					$	5,759

Description of Fair Value of Financial Instruments and Fair Value Methodology

Fair value of the financial instruments included in the tables above was determined as follows:

Description			Fair Value Methodology
Cash and cash equivalents and Restricted cash (current and non-current)			The carrying amounts of these assets approximate fair value.
Short-term and Long-term investments			Fair value is based on (a) the trading prices of the investment or similar instruments or (b) broker quotes obtained by third-party valuation services.
Long-term debt			Fair values are based on either market prices or the discounted amount of future cash flows using our current incremental rate of borrowing for similar liabilities.

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- Definition

Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 103
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-103

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

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Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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