Goodwill and Purchased Intangible Assets - Goodwill by Segments (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 2,097
Accumulated Impairment, beginning balance	(57)
Total beginning balance	2,040
Additions	0
Impairment	0
Other	(2)
Goodwill, ending balance	2,095
Accumulated Impairment, ending balance	(57)
Total	2,038
Retail
Goodwill [Roll Forward]
Goodwill, beginning balance	1,081
Accumulated Impairment, beginning balance	(34)
Total beginning balance	1,047
Additions	0
Impairment	0
Other	(1)
Goodwill, ending balance	1,080
Accumulated Impairment, ending balance	(34)
Total	1,046
Restaurants
Goodwill [Roll Forward]
Goodwill, beginning balance	495
Accumulated Impairment, beginning balance	(23)
Total beginning balance	472
Additions	0
Impairment	0
Other	(1)
Goodwill, ending balance	494
Accumulated Impairment, ending balance	(23)
Total	471
Digital Banking
Goodwill [Roll Forward]
Goodwill, beginning balance	521
Accumulated Impairment, beginning balance	0
Total beginning balance	521
Additions	0
Impairment	0
Other	0
Goodwill, ending balance	521
Accumulated Impairment, ending balance	0
Total	$ 521