Revenue Recognition Remaining Performance Obligations (Details) $ in Millions	Sep. 30, 2025 USD ($)
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 614
Contract with Customer, Asset, after Allowance for Credit Loss	0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 163
Revenue, remaining performance obligation, expected timing of satisfaction, period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 236
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 115
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year