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, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair value of plan assets	$ 2,100	$ 2,900
Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	99	$ 134
UNITED STATES
Fair value of plan assets	691	925	866
UNITED STATES \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	363	460
UNITED STATES \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	328	453
UNITED STATES \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	12
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	324	446
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	180	240
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	144	206
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	327	415
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	143	169
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	184	246
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	18	33
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	18	20
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	1
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	12
UNITED STATES \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	22	31
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	22	31
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	1,436	1,970	$ 1,956
Foreign Plan [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	663	951
Foreign Plan [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	702	932
Foreign Plan [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	87
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	298	543
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	96	204
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	202	339
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	622	894
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	391	579
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	231	315
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	386	451
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	46	86
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	269	278
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	87
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	130	82
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	130	82
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	$ 0	$ 0