Annual report pursuant to Section 13 and 15(d)

Schedule I - Condensed Financial Information of Registrant (PARENT ONLY) - STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Details)

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Schedule I - Condensed Financial Information of Registrant (PARENT ONLY) - STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
CONDENSED CONSOLIDATING FINANCIAL INFORMATION                      
Net income $ (315) $ (8) $ 623 $ 350 $ 287 $ 179 $ 183 $ 92 $ 650 $ 741 $ 357
Other comprehensive income (loss), net of tax                      
Foreign currency translation adjustments                 (192) 210 (171)
Pension and other postretirement benefits adjustments                 (39) 86 (219)
Other, net                 (9)   (1)
Other comprehensive (loss) income, net of tax                 (240) 296 (391)
Comprehensive loss                 410 1,037 (34)
Comprehensive income attributable to noncontrolling interests                 (266) (127) (23)
Comprehensive income (loss) attributable to Huntsman Corporation                 144 910 (57)
Parent                      
CONDENSED CONSOLIDATING FINANCIAL INFORMATION                      
Net income                 337 636 326
Other comprehensive income (loss), net of tax                      
Foreign currency translation adjustments                 (192) 210 (171)
Pension and other postretirement benefits adjustments                 (39) 86 (219)
Other, net                 304 105 30
Other comprehensive (loss) income, net of tax                 73 401 (360)
Comprehensive loss                 410 1,037 (34)
Comprehensive income attributable to noncontrolling interests                 (266) (127) (23)
Comprehensive income (loss) attributable to Huntsman Corporation                 $ 144 $ 910 $ (57)