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Debt - 2034 Notes - Additional Information (Detail) € in Millions, $ in Millions |  |  | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 04, 2026 USD ($) | May 16, 2024 USD ($) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2026 EUR (€) | Feb. 04, 2026 EUR (€) | Feb. 03, 2026 USD ($) | Dec. 31, 2025 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 4,023 |  |  |  |  | $ 4,278
Repayments of notes from proceeds from offering |  |  | 1,378 | $ 225 |  |  |  |
USD Tranche B [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount | $ 914 |  |  |  |  |  | $ 2,188 |
Repayments of notes from proceeds from offering |  | $ 1,206 |  |  |  |  |  |
Senior Notes Due 2034 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 1,142 |  | € 1,000 |  |  | $ 0
Interest rate | 4.25% |  |  |  |  | 4.25% |  |
Debt instrument frequency of periodic payment |  |  | semiannually |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 4.45% |  | 4.45% |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Estimated aggregate principal amount percentage | 30.00% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Any Time Prior to February 15, 2029 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument redemption percentage | 100.00% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Any Time and From Time to Time Prior to February 15, 2029 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument redemption percentage | 104.25% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Any Time and From Time to Time Prior to February 15, 2029 [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Redemption percentage of original aggregate principal amount | 40.00% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Event of Certain Developments Affecting Taxation [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument redemption percentage | 100.00% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | Indenture and the Notes [Member] | Occurrence of a Change of Control Triggering Event [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument redemption percentage | 101.00% |  |  |  |  |  |  |
Senior Notes Due 2034 [Member] | USD Tranche B [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount | € |  |  |  |  |  | € 1,000 |  |
Repayments of notes from proceeds from offering | $ 1,274 |  |  |  |  |  |  |

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