Fair Value Disclosures - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Carrying value	$ 14,154	$ 13,797
Level 2
Debt Instrument [Line Items]
Estimated fair value of long-term debt portfolio	$ 12,172	$ 11,994

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

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References + Details