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Note 16 - Leases - Schedule of Lease Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
2022, Operating Lease	$ 333
2022, Finance Lease	107
2022, Leases	440
2023, Operating Lease	293
2023, Finance Lease	81
2023, Leases	374
2024, Operating Lease	285
2024, Finance Lease	68
2024, Leases	353
2025, Operating Lease	285
2025, Finance Lease	45
2025, Leases	330
2026, Operating Lease	215
2026, Finance Lease	36
2026, Leases	251
After 2025, Operating Lease	555
After 2025, Finance Lease	41
After 2026, Leases	596
Total Operating lease payments	1,966
Total Finance lease payments	378
Total lease payments	2,344
Less: Interest, Operating Lease	207
Less: Interest, Finance Lease	42
Less: Interest	249
Present value of Operating lease liabilities	1,759
Present value of lease liabilities	2,095	$ 2,053
Long-term Debt [Member]
Present value of Finance lease liabilities	$ 336

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