Revenue Recognition Contract Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Contract With Customer, Asset [Line Items]
Contract with Customer, Asset, Net - Beginning of Period	$ 50	$ 42	$ 36	$ 29
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress	40	45	81	88
Contract with Customer, Asset, Reclassified to Receivable	(23)	(31)	(50)	(61)
Contract with Customer, Asset, Net - End of Period	$ 67	$ 56	$ 67	$ 56