Other Income (Expense), Net (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
May 31, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Other Income and Expenses [Abstract]
Loss on sale of business		$ 0	$ 0	$ (18)	$ 0
Income from cash and cash investments		0	0	0	2
Equity investment income, net		5	1	7	1
Foreign currency transaction (losses) gains		(4)	1	(2)	(6)
Net periodic pension and post-retirement benefit cost (A)		(4)	(9)	(430)	(25)
Gain on preferred stock redemption	$ 14	0	0	14	0
Contingent consideration		(14)	0	(14)	0
Dividend income		0	3	6	7
Other items, net		0	0	(1)	(1)
Total other, net		$ (17)	$ (4)	$ (438)	$ (22)

Gain (Loss) on Preferred Stock Redemption

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Represents interest income on cash and cash investments and dividends.

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No definition available.

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- Definition

Represents the net of foreign currency translation gains/losses and other miscellaneous income/expense items, which is included as part of other non-operating income and expense.

+ References

No definition available.

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Amount of expense (reversal of expense) for net periodic pension and postretirement costs excluding the current service cost component. Includes, but is not limited to, interest cost, actual return on plan assets, amortization of loss (gain), amortization of prior service cost (credit), amortization of transition obligation (asset), loss (gain) from a settlement or curtailment, and certain termination benefits.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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

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Amount of dividend income on nonoperating securities.

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Amount of income (expense) related to nonoperating activities, classified as other.

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