Note 14 - Commitments and Contingencies - Personal Injury Liability Activity (Details) - USD ($) $ in Millions |
6 Months Ended | ||
---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Dec. 31, 2022 |
|
Balance, Current | $ 267 | $ 242 | |
Personal Injury [Member] | |||
Balance | 361 | $ 325 | |
Current year accruals | 52 | 51 | |
Changes in estimates for prior years | 31 | 36 | |
Payments | (77) | (65) | |
Balance | 367 | 347 | |
Balance, Current | $ 98 | $ 70 |