Acquisitions and Divestiture (2021 Acquisition) (Details) - Verafin - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Purchase consideration	$ 2,750
Pre-paid employment expense	$ 102
Pre-paid employment expense, vesting period	3 years
Measurement period adjustment		$ 9
Customer Relationships
Business Acquisition [Line Items]
Amortization period of intangible assets for tax purposes	20 years
Estimated average useful life	22 years
Technology
Business Acquisition [Line Items]
Estimated average useful life	7 years
Trade Name
Business Acquisition [Line Items]
Estimated average useful life	20 years