Segment Information Selected Statement of Income Narrative (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenue		$ 1,986	$ 1,871
International | Operating Segments
Segment Reporting Information [Line Items]
Revenue	[1]	948	922
International | Operating Segments | Euro Member Countries, Euro
Segment Reporting Information [Line Items]
Revenue		$ 203	$ 192

[1] Revenue denominated in euros was $203 million and $192 million for the three months ended March 31, 2022 and 2021, respectively.