Revenue Recognition Contract Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue Recognition [Abstract]
Contract with Customer, Asset, Net - Beginning of Period	$ 42	$ 36	$ 29	$ 22
Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress	45	49	88	104
Contract with Customer, Asset, Reclassified to Receivable	(31)	(37)	(61)	(78)
Contract with Customer, Asset, Net - End of Period	$ 56	$ 48	$ 56	$ 48