Revenue Recognition Contract Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Contract With Customer, Liability [Line Items]
Contract with Customer, Liability - Beginning of Period	$ 1,126	$ 1,209
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress	180	116
Other Significant Noncash Transaction, Value of Consideration Received	9	10
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination	2	1
Contract with Customer, Liability, Revenue Recognized	(274)	(210)
Contract with Customer, Liability - End of Period	$ 1,043	$ 1,126