Segment Information (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Total net revenues	$ 18,520	$ 11,691	$ 10,721
Intersegment, Nonoperating [Member]
Segment Reporting Information [Line Items]
Total net revenues	$ 0	$ 0	$ 0