Segment and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Information
Revenues	$ 80,269	$ 85,530	$ 93,935
Property, plant, and equipment, net	11,179	10,837
ROU assets	1,322	1,358
United States
Segment Information
Revenues	31,175	33,550	38,783
Property, plant, and equipment, net	7,007	6,965
ROU assets	1,063	1,063
Switzerland
Segment Information
Revenues	17,793	19,877	19,898
Cayman Islands
Segment Information
Revenues	6,093	5,603	7,646
Brazil
Segment Information
Revenues	3,358	3,353	3,361
Property, plant, and equipment, net	899	872
Mexico
Segment Information
Revenues	2,741	3,209	3,185
Canada
Segment Information
Revenues	1,767	2,055	2,400
United Kingdom
Segment Information
Revenues	2,115	2,186	2,219
Other Foreign
Segment Information
Revenues	15,227	15,697	$ 16,443
Property, plant, and equipment, net	3,273	3,000
ROU assets	$ 259	$ 295