Leases (Components of Lease Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Components of lease costs:
Operating lease cost	$ 63	$ 54	$ 48
Short-term lease cost	93	15	35
Variable lease cost	3	3	3
Total lease cost	$ 159	$ 72	$ 86