Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Percentage accrued of maximum consideration payments to become payable	73.00%
Other identifiable intangibles, net	$ 4,749	$ 4,962
Level 1 and Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of total debt	16,130	$ 15,935
Level 3 \| Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Assets, Fair Value Disclosure	21,795
Cost and equity method investments	442
Goodwill	16,604
Other identifiable intangibles, net	$ 4,749

Business Combination, Contingent Consideration, Maximum Consideration Payments To Become Payable, Percentage Accrued

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- Definition

This concept represents the value of assets carried on the balance sheet and not re-measured to fair value on a recurring basis.

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Fair value portion of asset recognized for present right to economic benefit.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill.

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