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, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value Hedging
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	$ 8	$ 15	$ 12
Fair Value Hedging \| Foreign Currency Contracts \| Interest expense
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	8	15	12
Net Investment Hedging
Derivatives, Fair Value [Line Items]
Derivative financial instruments	123	226	(257)
Gain (Loss) Recognized Amount	16	13	16
Net Investment Hedging \| Currency Swap
Derivatives, Fair Value [Line Items]
Derivative financial instruments	38	53	(57)
Gain (Loss) Recognized Amount	16	13	16
Net Investment Hedging \| Other Foreign Currency Denominated Debt
Derivatives, Fair Value [Line Items]
Derivative financial instruments	85	173	(200)
Economic Hedging \| Foreign Currency Contracts \| Other Expense
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized Amount	$ 43	$ 23	$ 30

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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