Supplementary Financial Information - Value of Remaining Performance Obligations (Details) $ in Billions	Apr. 30, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Remaining performance obligations	$ 3.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-05-01
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Remaining performance obligations	$ 1.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-05-01
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Remaining performance obligations	$ 2.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations period