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Note 10 - Accounts Receivable (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss, Current | $ 10 | $ 10 |
Total Transfer Capacity, Undivided Interests to Investors under Receivables Securitization Facility | $ 800 |  |
Receivables Securitization Facility, Duration (Year) | 3 years |  |
Value Outstanding, Undivided Interest Held by Investors Under Receivables Securitization Facility | $ 100 | 300 |
Accounts Receivable, Supporting Undivided Investor Held Interest | 1,600 | 1,300 |
Interest Expense, Total | $ 1,271 | 1,157 | $ 1,141
Receivables Securitization Facility, Maturity Date | Jul. 31, 2025 |  |
Asset-Backed Securities, Securitized Loans and Receivables [Member] |  |  |
Accounts Receivable, from Securitization, Default or Dilution Ratio | 1.00% |  |
Interest Expense, Total | $ 10 | 4 | $ 7
Maximum [Member] |  |  |
Total Transfer Capacity, Undivided Interests to Investors under Receivables Securitization Facility | 800 |  |
Other Assets [Member] |  |  |
Accounts Receivable, Allowance for Credit Loss, Noncurrent | $ 58 | $ 51 |

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- Definition Duration of the receivables securitization facility,in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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