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Note 15 - Warranty Obligations - Changes in Warranty Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Balance $ 95 $ 96 $ 98 $ 101
Amounts accrued for current period sales 9 12 28 26
Adjustments of prior estimates (2) (4) (1)
Settlements of warranty claims (7) (11) (20) (32)
Divestitures   (10)  
Currency impact   2 (1) 1
Balance $ 95 $ 95 $ 95 $ 95