DEBT - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Line of Credit Facility [Line Items]
Potential additional increase to credit facility	$ 2,000,000,000
Cash consideration	3,643,000,000	$ 3,797,000,000
Debt, difference between fair value and carrying value	(223,000,000)	(257,000,000)
Letters of credit outstanding, amount	$ 34,000,000	29,000,000
3.375% Senior notes due 03/15/25 | Senior notes
Line of Credit Facility [Line Items]
Debt instrument stated interest rate	3.375%
Short-term borrowings
Line of Credit Facility [Line Items]
Short-term borrowings	$ 3,000,000	61,000,000
Basis spread on variable rate	1.75%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 2,000,000,000
Potential additional increase to credit facility	1,000,000,000
Line of credit outstanding	0	0
Commercial Paper
Line of Credit Facility [Line Items]
Current borrowing capacity	2,000,000,000
Short-term, Unsecured Commercial Paper Notes
Line of Credit Facility [Line Items]
Line of credit outstanding	$ 0	$ 0