XML 63 R49.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Significant Accounting Policies, Part 3 (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Environmental Costs [Abstract]      
Environmental reserves - current portion $ 2 $ 3  
Asset Impairment Charges [Abstract]      
Impairment of property, plant and equipment 41 218 $ 590
Impairment of goodwill 0 0 296
Other impairments [1] 12 15 4
Impairment charges in operating costs and expenses 53 233 890
Total asset impairment charges 53 233 890
Environmental Reserves [Member]      
Movement in valuation allowances and reserves [Roll Forward]      
Balance at beginning of period 4 5 7
Charged to costs and expenses 13 6 6
Acquisition-related additions and other 1 1 3
Deductions (15) (8) (11)
Balance at end of period $ 3 $ 4 $ 5
[1] Primarily represents the write-down of surplus materials classified as current assets and intangible assets other than goodwill.