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Revenue Recognition Accounting Policy (Details 3) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue	$ 367	$ 443
Less than 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	62
1 - 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	55
2 - 3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	49
3 - 4 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	43
4 - 5 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	37
Thereafter
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred Revenue, Revenue Expected to be Recognized	$ 121