Segment and Geographic Information (Reconciliation Of Total Segment Income From Operations To Consolidated Income Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Income from operations for reportable segments	$ 3,050	$ 2,800	$ 429
Interest expense	(177)	(176)	(142)
Other income, net	73	53	44
Income before income taxes	$ 2,946	$ 2,677	$ 331