Segment Information Selected Statement of Income Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenue		$ 2,460	$ 2,361	$ 4,680	$ 4,551
International | Operating Segments
Segment Reporting Information [Line Items]
Revenue	[1]	1,070	1,035	2,078	2,042
International | Operating Segments | Euro Member Countries, Euro
Segment Reporting Information [Line Items]
Revenue		$ 241	$ 237	$ 468	$ 460

[1] Revenue denominated in euros was $468 million and $460 million for the six months ended June 30, 2025 and 2024, respectively.