Investments in Unconsolidated Affiliates (Narrative) (Details) - Tres Palacios Holdings LLC - USD ($) $ in Millions			9 Months Ended
Apr. 03, 2023	Feb. 20, 2023	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Proceeds from sale	$ 178	$ 335
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Gain (loss) on sale	$ 132		$ 132

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.

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