Revenue Recognition Remaining Performance Obligations (Details) $ in Millions	Sep. 30, 2023 USD ($)
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 1,100
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 156
Revenue, remaining performance obligation, expected timing of satisfaction, period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 418
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 256
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year