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Accumulated Other Comprehensive Income (Loss) - Reclassifications from AOCL to Results of Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) before income taxes	$ 693	$ (1,006)	$ (852)
Reclassification out of accumulated other comprehensive income | Pension and postretirement benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) before income taxes	23	72	9
Reclassification out of accumulated other comprehensive income | Derivative financial instruments for effective cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) before income taxes	$ 23	$ (6)	$ (7)

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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