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Acquisitions and Dispositions - Gross Carrying Amount and Weighted-Average Useful Life Allocated to Intangible Assets (Details) - USD ($) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Dec. 20, 2022 | Apr. 01, 2022 | Sep. 01, 2022
Merchant One, Inc. |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 118 |  |
Weighted-Average Useful Life | 9 years |  |
Merchant One, Inc. | Residual buyouts |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 83 |  |
Weighted-Average Useful Life | 9 years |  |
Merchant One, Inc. | Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 35 |  |
Weighted-Average Useful Life | 10 years |  |
Finxact, Inc. |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  | $ 105 |
Weighted-Average Useful Life |  | 6 years |
Finxact, Inc. | Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  | $ 6 |
Weighted-Average Useful Life |  | 8 years |
Finxact, Inc. | Acquired software and technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  | $ 90 |
Weighted-Average Useful Life |  | 6 years |
Finxact, Inc. | Trade names |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  | $ 9 |
Weighted-Average Useful Life |  | 5 years |
Other Acquisitions |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  |  | $ 23
Weighted-Average Useful Life |  |  | 9 years
Other Acquisitions | Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  |  | $ 11
Weighted-Average Useful Life |  |  | 10 years
Other Acquisitions | Acquired software and technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  |  | $ 12
Weighted-Average Useful Life |  |  | 7 years

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