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Share-Based Compensation - Narrative (Details) - USD ($) shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
	Apr. 01, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 94	$ 61	$ 155	$ 127
Unrecognized compensation cost		$ 636		$ 636
Weighted-average period unrecognized compensation cost will be recognized (in years)				2 years 4 months 24 days
Share-based awards, stock options, exercised (in shares)				1,481
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based awards, stock options, exercised (in shares)				1,500	2,400
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based awards, restricted stock units, granted (in shares)				2,751
Performance share units \| Finxact, Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based awards, restricted stock units, granted (in shares)	2,400
Performance share units \| Finxact, Inc. \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	2 years
Performance share units \| Finxact, Inc. \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years