v3.22.0.1
Segments - Asset Reconciliation (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Assets      
Assets $ 132,001 $ 155,971 $ 152,186
Deferred tax assets 7,370 8,404  
Plant, other property and equipment 5,668 6,108 5,785
Operating right-of-use assets 3,222 3,566 3,850
Pension assets 9,850 7,557  
Discontinued Operations   2,618  
Business Segments      
Assets      
Assets 99,896 106,458 110,113
Internal transactions      
Assets      
Assets (1,608) (4,686) (4,317)
Other      
Assets      
Assets 193 254 1,942
Unallocated amounts      
Assets      
Cash and marketable securities 6,222 12,463 7,271
Notes and accounts receivable 1,622 1,655 1,601
Deferred tax assets 7,158 8,175 4,917
Plant, other property and equipment 2,196 2,449 2,488
Operating right-of-use assets 1,945 2,368 2,531
Pension assets 9,848 7,557 6,819
Other $ 4,530 3,514 3,184
Discontinued Operations   $ 15,764 $ 15,638