Unsecured Senior Notes due 2029 (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Borrowings under facility	$ 4,686	$ 4,854
Unsecured Senior Notes due 2029 \| Senior notes
Debt Instrument [Line Items]
Borrowings under facility	894	893
Unamortized deferred financing costs	$ 6	$ 7
Interest rate	4.75%

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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+ Details