Long-Term Debt - Letters of Credit (Details) - Letter of credit - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Letters of credit outstanding	$ 3	$ 9
Collateralized debt obligations
Debt Instrument [Line Items]
Letters of credit outstanding	$ 3	$ 5

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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