REVENUE - Receivables from Customers (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	$ 1,383	$ 1,455
Less: Uncollectible Reserve	124	137
Receivable	1,259	1,318
Billed Revenues
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	752	674
Unbilled Revenues
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers	$ 631	$ 781

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.

No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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