Long-term Corporate Debt and Borrowing Arrangements - Contractual Maturities of Company's Corporate Debt (Detail) $ in Millions	Dec. 31, 2025 USD ($)
Maximum
Debt Instrument [Line Items]
Short-term debt, weighted average interest rate, at point in time	5.52%
Minimum
Debt Instrument [Line Items]
Short-term debt, weighted average interest rate, at point in time	5.73%
Debt Insturments
Debt Instrument [Line Items]
2026	$ 24
2027	668
2028	522
2029	1,322
2030	1,421
Thereafter	2,172
Total	$ 6,129

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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