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Acquisition 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 |

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