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Note 14 - Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Debt [Table Text Block] |
Millions |  | 2022 |  |  | 2021 |
Notes and debentures, 2.2% to 7.1% due through February 14, 2072 |  | $ | 33,658 |  |  | $ | 29,508 |
Equipment obligations, 2.6% to 6.2% due through January 2, 2031 |  |  | 809 |  |  |  | 848 |
Finance leases, 3.1% to 8.0% due through December 10, 2028 |  |  | 234 |  |  |  | 336 |
Commercial paper, 3.3% to 4.7% due through January 17, 2023 |  |  | 200 |  |  |  | 400 |
Receivables Facility (Note 10) |  |  | 100 |  |  |  | 300 |
Term loans - floating rate, due August 31, 2023 |  |  | 100 |  |  |  | 100 |
Unamortized discount and deferred issuance costs |  |  | (1,775 | ) |  |  | (1,763 | )
Total debt |  |  | 33,326 |  |  |  | 29,729 |
Less: current portion |  |  | (1,678 | ) |  |  | (2,166 | )
Total long-term debt |  | $ | 31,648 |  |  | $ | 27,563 |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
Millions |  |  |  |
2023 |  | $ | 1,681 |
2024 |  |  | 1,434 |
2025 |  |  | 1,528 |
2026 |  |  | 1,015 |
2027 |  |  | 1,285 |
Thereafter |  |  | 28,158 |
Total principal |  |  | 35,101 |
Unamortized discount and deferred issuance costs |  |  | (1,775 | )
Total debt |  | $ | 33,326 |
Unsecured Fixed Rate Debt Securities Issued Under Current Shelf Registration [Table Text Block] |
Date | Description of Securities
February 14, 2022 | $1.25 billion of 2.800% Notes due February 14, 2032
| $0.50 billion of 3.375% Notes due February 14, 2042
| $1.25 billion of 3.500% Notes due February 14, 2053
| $0.50 billion of 3.850% Notes due February 14, 2072
September 9, 2022 | $0.90 billion of 4.500% Notes due January 20, 2033
| $0.60 billion of 4.950% Notes due September 9, 2052
| $0.40 billion of 5.150% Notes due January 20, 2063

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