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Revenue - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]          
Contract liabilities $ 8,100   $ 8,100   $ 6,600
Deferred revenue recognized 786 $ 456 2,000 $ 1,400  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Deferred revenue expected to be recognized $ 748   $ 748    
Expected timing of performance obligation 3 months   3 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]          
Deferred revenue expected to be recognized $ 2,300   $ 2,300    
Expected timing of performance obligation 1 year   1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Deferred revenue expected to be recognized $ 1,400   $ 1,400    
Expected timing of performance obligation 1 year   1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Deferred revenue expected to be recognized $ 3,600   $ 3,600    
Expected timing of performance obligation