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Subsequent Event (Details) - Subsequent Event $ in Millions	Oct. 15, 2021 USD ($) employee
Granite Parent, Inc.
Subsequent Event [Line Items]
Purchase price	$ 2,500
Granite Parent, Inc. | Sirius Computer Solutions
Subsequent Event [Line Items]
Entity number of coworkers | employee	2,600
Granite Parent, Inc. | Minimum
Subsequent Event [Line Items]
Acquisition, termination fee	$ 75
Granite Parent, Inc. | Maximum
Subsequent Event [Line Items]
Acquisition, termination fee	125
Arranger | Bridge Loan | Bridge Facility
Subsequent Event [Line Items]
Debt instrument, aggregate principal amount	$ 2,500

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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