Huntsman Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Note 18 - Employee Benefit Plans - Fair Value of Recurring Plan Assets (Details)

Note 18 - Employee Benefit Plans - Fair Value of Recurring Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair value of plan assets	$ 3,200	$ 3,100
Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	111	138	$ 124
UNITED STATES
Fair value of plan assets	925	866	790
UNITED STATES \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	460	557
UNITED STATES \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	453	247
UNITED STATES \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	12	62
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	446	481
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	240	315
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	206	166
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Fixed Income Funds [Member]
Fair value of plan assets	415	323
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	169	242
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	246	81
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Real Estate and Other [Member]
Fair value of plan assets	33	62
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	20	0
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	1	0
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	12	62
UNITED STATES \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	31	0
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	31	0
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member]
Fair value of plan assets	2,234	2,225	$ 1,960
Foreign Plan [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	959	991
Foreign Plan [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	1,176	1,158
Foreign Plan [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	99	76
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	611	564
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	204	229
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	407	335
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Fixed Income Funds [Member]
Fair value of plan assets	924	971
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	580	610
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	344	361
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Real Estate and Other [Member]
Fair value of plan assets	611	628
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	87	93
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	425	459
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	99	76
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	88	62
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	88	59
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	3
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	$ 0	$ 0