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Derivative Instruments and Hedging Activities - Additional Information (Detail) € in Billions	6 Months Ended
	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2019 EUR (€)
Derivative [Line Items]
Fair value of outstanding derivatives \| $	$ 0	$ 0
Credit Default Swap
Derivative [Line Items]
Notional amount of interest rate swap \| $	$ 1,000,000,000
0.25% Notes due 2027
Derivative [Line Items]
Notes, face amount			€ 0.4	€ 0.5
Derivative swap interest rate			0.25%	0.25%
Promissory note interest rate	0.25%	0.25%
0.50% Notes due 2031
Derivative [Line Items]
Notes, face amount			€ 0.4	€ 0.5
Derivative swap interest rate			0.50%	0.50%
Promissory note interest rate	0.50%	0.50%
Euro-denominated Notes
Derivative [Line Items]
Denominated debt issued			€ 0.8
Euro-denominated Guaranteed Notes
Derivative [Line Items]
Denominated debt issued			2.0
1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Notes, face amount			€ 1.0
Derivative swap interest rate			1.375%
2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Notes, face amount			€ 1.0
Derivative swap interest rate			2.00%
Cross currency interest rate swaps \| 0.25% Notes due 2027
Derivative [Line Items]
Promissory note interest rate			1.87%	2.51%
Cross currency interest rate swaps \| 0.50% Notes due 2031
Derivative [Line Items]
Promissory note interest rate			2.20%	2.76%
Cross currency interest rate swaps \| 1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Promissory note interest rate			2.77%
Cross currency interest rate swaps \| 2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Promissory note interest rate			3.49%
Foreign currency forward contracts
Derivative [Line Items]
Notional amount of interest rate swap \| $	$ 5,100,000,000	$ 5,500,000,000
Reduction on Monthly Basis One \| Credit Default Swap
Derivative [Line Items]
Notional amount of interest rate swap \| $	$ 200,000,000
Credit derivative term	8 months
Reduction on Monthly Basis Two \| Credit Default Swap
Derivative [Line Items]
Notional amount of interest rate swap \| $	$ 800,000,000
Credit derivative term	12 months