Segment Information Selected Statement of Income Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023		Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 2,180	$ 2,052	$ 4,180		$ 4,038
International | Operating Segments
Segment Reporting Information [Line Items]
Revenue	995	943	1,973	[1]	1,891	[1]
International | Operating Segments | Euro Member Countries, Euro
Segment Reporting Information [Line Items]
Revenue	$ 217	$ 204	$ 421		$ 407

[1] Revenue denominated in euros was $421 million and $407 million for the six months ended June 30, 2023 and 2022, respectively.