Financial Instruments, Hedging Activities and Fair Value Measurements (Long-Term Debt) (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Long-term debt	$ 7,297	$ 5,801
Long-term debt (excluding capital lease obligations), fair values	7,215	5,634
Total lease obligations, finance leases	7	7
Short-term borrowings	$ 4	$ 7

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

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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