Borrowings and Lines of Credit - Schedule of Debt Issuance Expenses (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Debt Disclosure [Abstract]
Debt issuance costs amortization	$ 2	$ 2	$ 5	$ 4
Total interest expense on external debt	$ 50	$ 43	$ 107	$ 86

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

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Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration