Schedule of Changes in Balance Sheet Position of Employee Related Restructuring Reserves (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Restructuring Cost and Reserve [Line Items]
Reserve at end of the period	$ 58
Restructuring employee-related
Restructuring Cost and Reserve [Line Items]
Reserve at beginning of the period	88	$ 126
Provision - charge	12	1
Provision - reversal	0	0
Cash payments	(41)	(9)
Translation difference	(1)	(5)
Reserve at end of the period	$ 58	$ 113

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

+ References

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