Indebtedness - Principal Payments Due on Long-Term Borrowings (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
2026	$ 0
2027	587
2028	500
2029	400
2030	881
Thereafter	4,800
Total principal payment	$ 7,168	$ 7,694

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