Revenue Recognition Contract Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Contract With Customer, Liability [Line Items]
Contract with Customer, Liability - Beginning of Period	$ 1,115	$ 1,193	$ 1,126	$ 1,209
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress	34	14	144	99
Other Significant Noncash Transaction, Value of Consideration Received	2	3	7	8
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination	2	1	2	1
Contract with Customer, Liability, Revenue Recognized	(71)	(48)	(197)	(154)
Contract with Customer, Liability - End of Period	$ 1,082	$ 1,163	$ 1,082	$ 1,163