Segment and Geographic Area Information - Net Revenues to External Customers by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets
Net revenues	$ 54,318	$ 58,054	$ 56,197
United States
Revenues from External Customers and Long-Lived Assets
Net revenues	41,883	45,713	43,510
Germany
Revenues from External Customers and Long-Lived Assets
Net revenues	1,266	1,340	1,223
Canada
Revenues from External Customers and Long-Lived Assets
Net revenues	1,076	1,159	1,397
Japan
Revenues from External Customers and Long-Lived Assets
Net revenues	1,008	956	1,090
China
Revenues from External Customers and Long-Lived Assets
Net revenues	950	912	857
France
Revenues from External Customers and Long-Lived Assets
Net revenues	780	787	936
Australia
Revenues from External Customers and Long-Lived Assets
Net revenues	472	508	533
Spain
Revenues from External Customers and Long-Lived Assets
Net revenues	501	506	519
United Kingdom
Revenues from External Customers and Long-Lived Assets
Net revenues	417	462	497
Italy
Revenues from External Customers and Long-Lived Assets
Net revenues	484	444	506
Brazil
Revenues from External Customers and Long-Lived Assets
Net revenues	439	430	368
All other countries
Revenues from External Customers and Long-Lived Assets
Net revenues	$ 5,042	$ 4,837	$ 4,761