REVENUE - Schedule of Receivables from Customers (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	$ 1,559	$ 1,382
Less: Uncollectible Reserve	49	64
Total Customer Receivables	1,510	1,318
Billed
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	955	717
Unbilled
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	$ 604	$ 665

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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