Financial Instruments, Hedging Activities and Fair Value Measurements (Fair Value, Cash Flow and Net Investment Hedges) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Fair Value Hedging
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	$ (10)	$ (10)	$ 8
Fair Value Hedging \| Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	(10)	(10)	8
Net Investment Hedging
Derivatives, Fair Value [Line Items]
Derivative financial instruments	237	(104)	123
Gain (Loss) Recognized Amount	9	12	16
Net Investment Hedging \| Currency Swap
Derivatives, Fair Value [Line Items]
Derivative financial instruments	20	(15)	38
Gain (Loss) Recognized Amount	9	12	16
Net Investment Hedging \| Other Foreign Currency Denominated Debt
Derivatives, Fair Value [Line Items]
Derivative financial instruments	217	(89)	85
Economic Hedging \| Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	$ 43	$ 49	$ 43

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

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+ References

No definition available.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

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