v3.20.4

Segment Information (Schedule of Schedule of Revenues Earned from Customers and Property, Plant and Equipment by Geographical Areas) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | $ 171,760 | $ 181,193 | $ 170,756
Net Property, Plant & Equipment | 127,315 | 130,128 | 131,473
United States |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 155,899 | 161,689 | 154,795
Net Property, Plant & Equipment | 121,208 | 122,567 | 123,457
Europe |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 5,387 | 6,536 | 4,073
Net Property, Plant & Equipment | 1,152 | 1,854 | 1,634
Mexico |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 2,862 | 3,198 | 3,100
Net Property, Plant & Equipment | 3,530 | 3,648 | 3,467
Brazil |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 1,807 | 2,797 | 2,724
Net Property, Plant & Equipment | 694 | 1,057 | 1,213
All other Latin America |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 2,679 | 3,219 | 3,055
Net Property, Plant & Equipment | 485 | 544 | 1,217
Asia/Pacific Rim |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 2,322 | 2,793 | 2,214
Net Property, Plant & Equipment | 203 | 390 | 408
Other |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 804 | 961 | 795
Net Property, Plant & Equipment | $ 43 | $ 68 | $ 77

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