Annual report pursuant to Section 13 and 15(d)

Note 10 - Intangible Assets - Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Details)

v3.20.4
Note 10 - Intangible Assets - Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Carrying Amount $ 808 $ 518
Accumulated Amortization 355 321
Net 453 197
Huntsman International LLC [Member]    
Carrying Amount 816 527
Accumulated Amortization 363 330
Net 453 197
Patents, Trademarks and Technology [Member]    
Carrying Amount 316 314
Accumulated Amortization 237 230
Net 79 84
Patents, Trademarks and Technology [Member] | Huntsman International LLC [Member]    
Carrying Amount 316 314
Accumulated Amortization 237 230
Net 79 84
Licensing Agreements [Member]    
Carrying Amount 140 140
Accumulated Amortization 61 48
Net 79 92
Licensing Agreements [Member] | Huntsman International LLC [Member]    
Carrying Amount 140 140
Accumulated Amortization 61 48
Net 79 92
Noncompete Agreements [Member]    
Carrying Amount 3 3
Accumulated Amortization 2 2
Net 1 1
Noncompete Agreements [Member] | Huntsman International LLC [Member]    
Carrying Amount 3 3
Accumulated Amortization 2 2
Net 1 1
Other Intangible Assets [Member]    
Carrying Amount [1] 349 61
Accumulated Amortization 55 41
Net 294 20
Other Intangible Assets [Member] | Huntsman International LLC [Member]    
Carrying Amount [1] 357 70
Accumulated Amortization [1] 63 50
Net [1] $ 294 $ 20
[1] Includes provisional intangible asset fair values related to the CVC Thermoset Specialties Acquisition and the Icynene-Lapolla Acquisition. For more information, see "Note 3. Business Combinations and Acquisitions."