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Revenue - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]          
Contract with customer, liability, cumulative catch-up adjustment to revenue, modification of contract $ 310 $ 310      
Contract liabilities 7,700   $ 7,700   $ 6,600
Deferred revenue recognized 606 $ 455 1,200 $ 945  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Deferred revenue expected to be recognized $ 1,300   $ 1,300    
Expected timing of performance obligation 6 months   6 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 $ 1,900   $ 1,900    
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 $ 1,300   $ 1,300    
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 $ 3,300   $ 3,300    
Expected timing of performance obligation