DEBT - Finance Lease (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($) renewal_options	Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Finance lease liabilities	$ 188	$ 86
Headquarters in Orlando
Lessee, Lease, Description [Line Items]
Term of contract including renewals	26 years
Term of contract	16 years
Number of extensions | renewal_options	2
Renewal term	5 years
Finance lease assets	$ 78
Finance lease liabilities	99
Total lease payments	245
Remainder of 2023, lease liability to be paid	1
2024, lease liability to be paid	7
2025, lease liability to be paid	8
2026, lease liability to be paid	8
2027, lease liability to be paid	9
Lease liability to be paid, thereafter	$ 212