Other Expenses, Net (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Income and Expenses [Abstract]
Loss on extinguishment of debt (see Note 9)	$ (144)	$ (143)	$ (25)
Loss on financial instruments, net (see Note 12)	(86)	(15)	(54)
Other pension benefits (costs), net (see Note 23)	305	(66)	(69)
Loss on equity investments, net (see Note 6)	(176)	(31)	(135)
Other expenses, net	$ (101)	$ (255)	$ (283)

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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