Note 14 - Commitments, Contingencies and Guarantees - Amounts of Obligations (Details) $ in Millions	Dec. 31, 2021 USD ($)
Guarantee obligations	$ 284
Contractual obligation payments due	18,078
Total commitments and contingencies	18,362
Financial Standby Letter of Credit [Member]
Guarantee obligations	69	[1]
Less Than 1 Year [Member]
Guarantee obligations	84
Contractual obligation payments due	1,053
Total commitments and contingencies	1,137
Less Than 1 Year [Member] | Financial Standby Letter of Credit [Member]
Guarantee obligations	43	[1]
One To Three Years [Member]
Guarantee obligations	94
Contractual obligation payments due	1,448
Total commitments and contingencies	1,542
One To Three Years [Member] | Financial Standby Letter of Credit [Member]
Guarantee obligations	17	[1]
Three To Five Years [Member]
Guarantee obligations	3
Contractual obligation payments due	1,085
Total commitments and contingencies	1,088
Five Years and Thereafter [Member]
Guarantee obligations	103
Contractual obligation payments due	14,492
Total commitments and contingencies	14,595
Five Years and Thereafter [Member] | Financial Standby Letter of Credit [Member]
Guarantee obligations	9	[1]
Performance Bonds and Guarantees [Member]
Guarantee obligations	215
Performance Bonds and Guarantees [Member] | Less Than 1 Year [Member]
Guarantee obligations	41
Performance Bonds and Guarantees [Member] | One To Three Years [Member]
Guarantee obligations	77
Performance Bonds and Guarantees [Member] | Three To Five Years [Member]
Guarantee obligations	3
Performance Bonds and Guarantees [Member] | Five Years and Thereafter [Member]
Guarantee obligations	94
Purchase Obligations [Member]
Contractual obligation payments due	994	[2]
Purchase Obligations [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	232	[2]
Purchase Obligations [Member] | One To Three Years [Member]
Contractual obligation payments due	219	[2]
Purchase Obligations [Member] | Three To Five Years [Member]
Contractual obligation payments due	111	[2]
Purchase Obligations [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	432	[2]
Capital Expenditure Obligations [Member]
Contractual obligation payments due	357	[3]
Capital Expenditure Obligations [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	357	[3]
Total Debt [Member]
Contractual obligation payments due	6,315	[4]
Total Debt [Member] | One To Three Years [Member]
Contractual obligation payments due	227	[4]
Total Debt [Member] | Three To Five Years [Member]
Contractual obligation payments due	87	[4]
Total Debt [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	6,001	[4]
Finance Leases and Financing Obligations [Member]
Contractual obligation payments due	729
Finance Leases and Financing Obligations [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	55
Finance Leases and Financing Obligations [Member] | One To Three Years [Member]
Contractual obligation payments due	207
Finance Leases and Financing Obligations [Member] | Three To Five Years [Member]
Contractual obligation payments due	115
Finance Leases and Financing Obligations [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	352
Interest on Long-term Debt [Member]
Contractual obligation payments due	8,306	[5]
Interest on Long-term Debt [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	265	[5]
Interest on Long-term Debt [Member] | One To Three Years [Member]
Contractual obligation payments due	523	[5]
Interest on Long-term Debt [Member] | Three To Five Years [Member]
Contractual obligation payments due	519	[5]
Interest on Long-term Debt [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	6,999	[5]
Imputed Interest on Capital Leases [Member]
Contractual obligation payments due	271
Imputed Interest on Capital Leases [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	32
Imputed Interest on Capital Leases [Member] | One To Three Years [Member]
Contractual obligation payments due	53
Imputed Interest on Capital Leases [Member] | Three To Five Years [Member]
Contractual obligation payments due	39
Imputed Interest on Capital Leases [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	147
Minimum Rental Commitments [Member]
Contractual obligation payments due	1,026
Minimum Rental Commitments [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	103
Minimum Rental Commitments [Member] | One To Three Years [Member]
Contractual obligation payments due	207
Minimum Rental Commitments [Member] | Three To Five Years [Member]
Contractual obligation payments due	163
Minimum Rental Commitments [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	553
Uncertain Tax Positions [Member]
Contractual obligation payments due	80	[6]
Uncertain Tax Positions [Member] | Less Than 1 Year [Member]
Contractual obligation payments due	9	[6]
Uncertain Tax Positions [Member] | One To Three Years [Member]
Contractual obligation payments due	12	[6]
Uncertain Tax Positions [Member] | Three To Five Years [Member]
Contractual obligation payments due	51	[6]
Uncertain Tax Positions [Member] | Five Years and Thereafter [Member]
Contractual obligation payments due	$ 8	[6]

[1] At December 31, 2021, the Company had stand-by letters of credit commitments of $108 million; $39 million was included in other accrued liabilities on the consolidated balance sheets.

[2] Purchase obligations are enforceable and legally binding obligations which primarily consist of raw material and energy-related take-or-pay contracts.

[3] Capital expenditure obligations primarily reflect amounts associated with capital expansion activities.

[4] Debentures are stated at maturity value and excludes interest rate swap gains or losses and bond discounts.

[5] The estimate of interest payments assumes interest is paid through the date of maturity or expiration of the related debt, based upon stated rates in there spective debt instruments.

[6] At December 31, 2021, $80 million was included on the consolidated balance sheets related to uncertain tax positions.