Revenue Recognition (Reconciliation of Accounts Receivable) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Receivables from contracts with customers	$ 567	$ 1,313
Other accounts receivable	100	88
Total accounts receivable	$ 667	$ 1,401

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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