Note 17 - Commitments and Contingencies - Personal Injury Liability Activity (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Balance, Current | $ 187 | $ 177 | |
Personal Injury [Member] | |||
Balance | 270 | 265 | $ 271 |
Current year accruals | 93 | 72 | 78 |
Changes in estimates for prior years | 48 | (3) | (11) |
Payments | (86) | (64) | (73) |
Balance | 325 | 270 | 265 |
Balance, Current | $ 64 | $ 60 | $ 63 |