BORROWINGS - Schedule of Long-Term Borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Principal debt issued	$ 9,036		$ 9,452
Less: Unamortized debt issuance costs and discounts	33		35
Add: Cumulative basis adjustment for fair value hedges	(51)		25
Total borrowings	8,951		9,442
Less: Short-term borrowings	1,502		1,006
Long-term borrowings	7,449		8,436
Long-term borrowings, current	$ 1,500		1,002
Senior notes | 5.550% senior notes due November 15, 2024
Debt Instrument [Line Items]
Stated interest rate	5.55%
Principal debt issued	$ 0		1,000
Senior notes | 5.600% senior notes due November 15, 2025
Debt Instrument [Line Items]
Stated interest rate	5.60%
Principal debt issued	$ 1,500		1,500
Senior notes | 5.650% senior notes due November 15, 2027
Debt Instrument [Line Items]
Stated interest rate	5.65%
Principal debt issued	$ 1,750		1,750
Senior notes | 4.800% senior notes due August 14, 2029
Debt Instrument [Line Items]
Stated interest rate	4.80%	4.80%
Principal debt issued	$ 1,000		0
Senior notes | 5.857% senior notes due March 15, 2030
Debt Instrument [Line Items]
Stated interest rate	5.857%
Principal debt issued	$ 1,250		1,250
Senior notes | 5.905% senior notes due November 22, 2032
Debt Instrument [Line Items]
Stated interest rate	5.905%
Principal debt issued	$ 1,750		1,750
Senior notes | 6.377% senior notes due November 22, 2052
Debt Instrument [Line Items]
Stated interest rate	6.377%
Principal debt issued	$ 1,000		1,000
Line of credit | Floating rate Term Loan Facility due January 2, 2026
Debt Instrument [Line Items]
Principal debt issued	750		1,150
Other
Debt Instrument [Line Items]
Principal debt issued	$ 36		$ 52