DEBT - Commercial Paper and Other Short-term Borrowings (Details) - USD ($)	6 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Commercial paper
Short-term Debt [Line Items]
Maximum amount outstanding during period	$ 2,700,000,000
Short-term debt outstanding	0	$ 871,000,000
FHLB borrowings
Short-term Debt [Line Items]
Short-term debt outstanding	$ 0

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant