Revenue Recognition Remaining Performance Obligations (Details) $ in Millions	Sep. 30, 2024 USD ($)
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 1,100
Contract with Customer, Asset, after Allowance for Credit Loss	0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 235
Revenue, remaining performance obligation, expected timing of satisfaction, period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 473
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Major Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 221
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year