Restructuring and Other Charges, Net - Activity and Reserve Balances for Restructuring and Other Charges (Detail) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring reserve beginning balance	$ 85	$ 181
Restructuring and other charges, net	5	109
Cash payments	(34)	(212)
Reversals and other	1	7
Restructuring reserve ending balance	57	85
Severance and Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve beginning balance	11	13
Restructuring and other charges, net	0	2
Cash payments	(7)	(4)
Reversals and other	0	0
Restructuring reserve ending balance	4	11
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve beginning balance	74	168
Restructuring and other charges, net	5	107
Cash payments	(27)	(208)
Reversals and other	1	7
Restructuring reserve ending balance	$ 53	$ 74

Restructuring and other charges net.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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