Borrowings - Interest on Debt (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest on Debt
Interest capitalized	$ 2	$ 2
Total interest paid and accrued	544	519
Cost of financing
Interest on Debt
Interest expense	87	85
Interest expense
Interest on Debt
Interest expense	$ 455	$ 432