Borrowings and Lines of Credit - Schedule of Debt Issuance Expenses (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Debt Disclosure [Abstract]
Debt issuance costs amortization	$ 3	$ 2
Total interest expense on external debt	$ 57	$ 43

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

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Period Type:	duration