Note 20 - Retirement Plans - Fair Value Measurement of Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 |
Major US Plans [Member] | | | | |
Fair Value of Plan Assets | $ 3,659 | $ 4,105 | | |
Major US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 251 | 202 | | |
Major US Plans [Member] | Global Equity Securities Funds [Member] | | | | |
Fair Value of Plan Assets | | 201 | | |
Major US Plans [Member] | Government Bonds [Member] | | | | |
Fair Value of Plan Assets | 39 | | | |
Major US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 717 | 440 | | |
Major US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 29 | 36 | | |
Major US Plans [Member] | Global Balanced Asset Allocation Funds [Member] | | | | |
Fair Value of Plan Assets | | 327 | | |
Major US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 1,528 | 1,807 | | |
Major US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 1,095 | 1,082 | | |
Major US Plans [Member] | Derivatives With Unrealized Gains [Member] | | | | |
Fair Value of Plan Assets | | 10 | | |
Major Non-US Plans [Member] | | | | |
Fair Value of Plan Assets | 526 | 626 | | |
Major Non-US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 21 | 13 | | |
Major Non-US Plans [Member] | Equity Securities [Member] | | | | |
Fair Value of Plan Assets | 31 | 38 | | |
Major Non-US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 80 | 105 | | |
Major Non-US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 11 | 12 | | |
Major Non-US Plans [Member] | Global High Yield & Emerging Market Debt [Member] | | | | |
Fair Value of Plan Assets | 2 | 2 | | |
Major Non-US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 20 | 32 | | |
Major Non-US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 43 | 42 | | |
Major Non-US Plans [Member] | Insurance Contracts [Member] | | | | |
Fair Value of Plan Assets | 318 | 382 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | | | | |
Fair Value of Plan Assets | 251 | 212 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 251 | 202 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Global Equity Securities Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Government Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Global Balanced Asset Allocation Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major US Plans [Member] | Derivatives With Unrealized Gains [Member] | | | | |
Fair Value of Plan Assets | | 10 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | | | | |
Fair Value of Plan Assets | 89 | 102 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 21 | 13 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Equity Securities [Member] | | | | |
Fair Value of Plan Assets | 31 | 38 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 35 | 49 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Global High Yield & Emerging Market Debt [Member] | | | | |
Fair Value of Plan Assets | 2 | 2 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Major Non-US Plans [Member] | Insurance Contracts [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | | | | |
Fair Value of Plan Assets | 756 | 446 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Global Equity Securities Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Government Bonds [Member] | | | | |
Fair Value of Plan Assets | 39 | | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 717 | 440 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Global Balanced Asset Allocation Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 6 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major US Plans [Member] | Derivatives With Unrealized Gains [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | | | | |
Fair Value of Plan Assets | 74 | 96 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Equity Securities [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 45 | 56 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Global High Yield & Emerging Market Debt [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Major Non-US Plans [Member] | Insurance Contracts [Member] | | | | |
Fair Value of Plan Assets | 29 | 40 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | | | | |
Fair Value of Plan Assets | 3 | 0 | $ 5 | $ 7 |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Global Equity Securities Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Government Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Global Balanced Asset Allocation Funds [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 3 | 0 | 5 | 7 |
Fair Value, Inputs, Level 3 [Member] | Major US Plans [Member] | Derivatives With Unrealized Gains [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | | | | |
Fair Value of Plan Assets | 289 | 342 | 291 | 273 |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Equity Securities [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Global High Yield & Emerging Market Debt [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Major Non-US Plans [Member] | Insurance Contracts [Member] | | | | |
Fair Value of Plan Assets | 289 | 342 | $ 291 | $ 273 |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | | | | |
Fair Value of Plan Assets | 2,649 | 3,447 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Global Equity Securities Funds [Member] | | | | |
Fair Value of Plan Assets | | 201 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Government Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 29 | 36 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Global Balanced Asset Allocation Funds [Member] | | | | |
Fair Value of Plan Assets | | 327 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 1,528 | 1,801 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 1,092 | 1,082 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major US Plans [Member] | Derivatives With Unrealized Gains [Member] | | | | |
Fair Value of Plan Assets | | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | | | | |
Fair Value of Plan Assets | 74 | 86 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Cash and Cash Equivalents [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Equity Securities [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Investment Grade Bonds [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Real Estate [Member] | | | | |
Fair Value of Plan Assets | 11 | 12 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Global High Yield & Emerging Market Debt [Member] | | | | |
Fair Value of Plan Assets | 0 | 0 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Hedge Funds [Member] | | | | |
Fair Value of Plan Assets | 20 | 32 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Private Equity Funds [Member] | | | | |
Fair Value of Plan Assets | 43 | 42 | | |
Fair Value Measured at Net Asset Value Per Share [Member] | Major Non-US Plans [Member] | Insurance Contracts [Member] | | | | |
Fair Value of Plan Assets | $ 0 | $ 0 | | |