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Supplemental Financial Information - Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Voluntary Separation Program	$ 83	$ 147
Postretirement obligation	246	241
Other deferred compensation	327	331
Other	224	250
Other noncurrent liabilities	$ 880	$ 969

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Amount of the liabilities, classified as other, for deferred compensation arrangements payable after one year or the operating cycle, if longer.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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