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Fair Value Measurements and Financial Instruments - Additional Information (Detail) € in Millions	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2027 USD ($)	Jun. 30, 2026 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Mar. 31, 2022 USD ($)
Derivatives, Fair Value [Line Items]
Carrying amount of our investments without readily determinable fair values		$ 672,000,000		$ 672,000,000				$ 710,000,000
Cumulative adjustments due to observable price changes		190,000,000		190,000,000
Cumulative adjustments due to impairment charges		155,000,000		155,000,000
Initial value of the excluded component										$ 1,000,000,000.0
Forward contract indexed to equity, prepayment, cash received	$ 358,000,000
Forward contract indexed to equity, fair value		546,000,000		546,000,000
Derivative asset fair value of collateral		0		0				0
Derivative liability fair value of collateral		1,100,000,000		1,100,000,000				1,100,000,000
Scenario, Forecast \| Income Statement Location [Axis]: us-gaap:InterestExpenseNonoperating
Derivatives, Fair Value [Line Items]
Excluded component estimated to be amortized into interest expense						$ 82,000,000
Euro Denominated Debt \| Net Investment Hedges
Derivatives, Fair Value [Line Items]
Notional amount \| €							€ 750		€ 750
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional amount		23,674,000,000		23,674,000,000				23,674,000,000
Interest rate swaps \| Fair Value Hedges \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Pre-tax gain (loss) recognized in Other income, net and Interest expense		5,000,000	$ 0	8,000,000	$ 0
Cross currency swaps
Derivatives, Fair Value [Line Items]
Pre-tax gain (loss) recognized in Other income, net and Interest expense		0	0	0	0
Notional amount		40,173,000,000		40,173,000,000				$ 36,074,000,000
Cross currency swaps \| Fair Value Hedges \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Pre-tax gain (loss) recognized in Other income, net and Interest expense		(336,000,000)	2,422,000,000	(937,000,000)	3,500,000,000
Excluded component estimated to be amortized into interest expense		$ 745,000,000	$ (28,000,000)	$ 516,000,000	$ (877,000,000)