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Revenue, Remaining performance obligations (Details)
$ in Millions
Mar. 31, 2023
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 39,059
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 5,495
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 6,360
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year 9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 5,429
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 2 years 9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 21,775
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 3 years 9 months