Borrowings - Interest on Debt (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Interest on Debt
Interest capitalized	$ 5	$ 10
Total interest paid and accrued	1,730	1,552
Cost of financing
Interest on Debt
Interest expense	268	254
Interest expense
Interest on Debt
Interest expense	$ 1,457	$ 1,288

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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