Supplemental Financial Information - Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Other Liabilities, Noncurrent [Abstract]
Postretirement obligation	$ 288	$ 232
Other deferred compensation	313	247
Other	105	171
Other non-current liabilities	$ 706	$ 650

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

No definition available.

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- Definition

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

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- References

No definition available.

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- Definition

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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- Definition

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

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