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Segment Reporting - Revenues by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue from External Customer [Line Items]
Sales	$ 11,402	$ 9,353	$ 22,029	$ 19,641
United States
Revenue from External Customer [Line Items]
Sales	5,100	4,322	9,890	9,053
Europe, Middle East and Africa
Revenue from External Customer [Line Items]
Sales	3,333	2,622	6,569	5,591
China
Revenue from External Customer [Line Items]
Sales	975	623	1,697	1,269
Japan
Revenue from External Customer [Line Items]
Sales	661	621	1,291	1,204
Asia Pacific (other than China and Japan)
Revenue from External Customer [Line Items]
Sales	594	489	1,168	1,015
Latin America
Revenue from External Customer [Line Items]
Sales	532	423	1,032	875
Other
Revenue from External Customer [Line Items]
Sales	$ 207	$ 253	$ 382	$ 634

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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