Revenues and Contract Balances - Remaining Performance Obligations (Details) $ in Billions	Sep. 30, 2023 USD ($)
Remaining Performance Obligations [Line Items]
Remaining performance obligations	$ 10.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-10-01
Remaining Performance Obligations [Line Items]
Remaining performance obligations, expected satisfaction, percentage	44.00%
Remaining performance obligations, expected timing of satisfaction	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-10-01
Remaining Performance Obligations [Line Items]
Remaining performance obligations, expected satisfaction, percentage	66.00%
Remaining performance obligations, expected timing of satisfaction	24 months